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Richard Allen - Google Scholar
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id="gs_md_err" style="display:none">The system can't perform the operation now. Try again later.</div><div id="gs_md_s"></div><div data-h="0" class="gs_md_wnw gs_md_ds"><div id="gsc_md_hist" class="gs_md_d gs_md_ds gs_ttzi" role="dialog" tabindex="-1" aria-labelledby="gsc_md_hist-t" data-wfc="gsc_md_hist-x"><div class="gs_md_hdr"><a href="javascript:void(0)" id="gsc_md_hist-x" role="button" aria-label="Cancel" data-mdx="gsc_md_hist" class="gs_btnCLS gs_md_x gs_md_hdr_c gs_in_ib gs_btn_lrge"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl"></span></a><h2 id="gsc_md_hist-t" class="gs_md_hdr_t">Citations per year</h2><div class="gs_md_hdr_b"></div></div><div id="gsc_md_hist-bdy" class="gs_md_bdy"><style>#gsc_md_hist{width:80%;max-width:386px;}#gsc_md_hist_c{position:relative;width:100%;}</style><div id="gsc_md_hist_c"></div></div></div></div><div data-h="600" class="gs_md_wnw gs_md_ds gs_md_wmw"><div id="gsc_md_cbyd" class="gs_md_d gs_md_ds gs_ttzi" role="dialog" tabindex="-1" aria-labelledby="gsc_md_cbyd-t" data-cid="gsc_md_cbyd_l" data-wfc="gsc_md_cbyd-x"><div class="gs_md_hdr"><a href="javascript:void(0)" id="gsc_md_cbyd-x" role="button" aria-label="Cancel" data-mdx="gsc_md_cbyd" class="gs_btnCLS gs_md_x gs_md_hdr_c gs_in_ib gs_btn_lrge"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl"></span></a><h2 id="gsc_md_cbyd-t" class="gs_md_hdr_t">Duplicate citations</h2><div class="gs_md_hdr_b"></div></div><div id="gsc_md_cbyd-bdy" class="gs_md_bdy"><form id="gsc_md_cbyd_f" action="/citations?hl=en&user=oTdyTasAAAAJ&view_op=list_works" method="post"><input type="hidden" name="s" value=""><div class="gs_md_lbl">The following articles are merged in Scholar. Their <a id="gsc_md_cbyd_c" href="javascript:void(0)">combined citations</a> are counted only for the first article.</div><div id="gsc_md_cbyd_l"></div></form></div></div></div><div data-h="600" class="gs_md_wnw gs_md_ds gs_md_wmw"><div id="gsc_md_cbym" class="gs_md_d gs_md_ds gs_ttzi" role="dialog" tabindex="-1" aria-labelledby="gsc_md_cbym-t" data-cid="gsc_md_cbym_l" data-wfc="gsc_md_cbym-x"><div class="gs_md_hdr"><a href="javascript:void(0)" id="gsc_md_cbym-x" role="button" aria-label="Cancel" data-mdx="gsc_md_cbym" class="gs_btnCLS gs_md_x gs_md_hdr_c gs_in_ib gs_btn_lrge"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl"></span></a><h2 id="gsc_md_cbym-t" class="gs_md_hdr_t">Merged citations</h2><div class="gs_md_hdr_b"></div></div><div id="gsc_md_cbym-bdy" class="gs_md_bdy"><div class="gs_md_lbl">This "Cited by" count includes citations to the following articles in Scholar. The ones marked <span id="gsc_md_cbym_s">*</span> may be different from the article in the profile.</div><div id="gsc_md_cbym_l" data-act="/citations?hl=en&user=oTdyTasAAAAJ&view_op=list_works"></div></div></div></div><div data-h="900" class="gs_md_wnw gs_md_ds gs_md_wmw"><div id="gsc_md_cod" class="gs_md_d gs_md_ds gs_ttzi gsc_cod_lc" role="dialog" tabindex="-1" aria-labelledby="gsc_md_cod-t" data-cid="gsc_cods_res" data-wfc="gsc_md_cod-x"><div class="gs_md_hdr"><a href="javascript:void(0)" id="gsc_md_cod-x" role="button" aria-label="Cancel" data-mdx="gsc_md_cod" class="gs_btnCLS gs_md_x gs_md_hdr_c gs_in_ib gs_btn_lrge"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl"></span></a><h2 id="gsc_md_cod-t" class="gs_md_hdr_t"><span id="gsc_cod_t"><span id="gsc_cod_tadd">Add co-authors</span><span id="gsc_cod_tedit">Co-authors</span><a id="gsc_cod_trev" href="javascript:void(0)" data-txt="Review" data-lim="Limit reached"></a></span></h2><div class="gs_md_hdr_b"><button type="button" id="gsc_cod_done" aria-label="Add co-authors" disabled class="gs_btnDNW gs_in_ib gs_btn_act gs_btn_half gs_btn_lsb"><span class="gs_wr"><span class="gs_ico"></span><span class="gs_lbl"></span></span></button></div></div><div id="gsc_md_cod-bdy" class="gs_md_bdy"><div id="gsc_cods_urls" class="gsc_cods_hide" data-ls="" data-lc="/citations?view_op=list_colleagues&hl=en&json=&user=oTdyTasAAAAJ" data-sa=""></div><form id="gsc_cods_save" action="" method="POST"><input type="hidden" name="colleague_add"><input type="hidden" name="colleague_del"></form><div id="gsc_cods_res"></div></div></div></div><div data-h="800" class="gs_md_wnw gs_md_ds gs_md_wmw"><div id="gs_md_cita-d" class="gs_md_d gs_md_ds gs_ttzi" role="dialog" tabindex="-1" aria-labelledby="gs_md_cita-d-t" data-cid="gs_md_cita-l" data-wfc="gs_md_cita-d-x"><div class="gs_md_hdr"><a href="javascript:void(0)" id="gs_md_cita-d-x" role="button" aria-label="Cancel" data-mdx="gs_md_cita-d" class="gs_btnCLS gs_md_x gs_md_hdr_c gs_in_ib gs_btn_lrge"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl"></span></a><h2 id="gs_md_cita-d-t" class="gs_md_hdr_t"></h2><div class="gs_md_hdr_b"><button type="button" id="gs_md_cita-b-save" aria-label="Save" class="gs_btnDNW gs_in_ib gs_btn_act gs_btn_half gs_btn_lsb"><span class="gs_wr"><span class="gs_ico"></span><span class="gs_lbl"></span></span></button></div></div><div id="gs_md_cita-d-bdy" class="gs_md_bdy"><style>#gs_md_cita-d{width:90%;max-width:1000px;}.gs_el_ph #gs_md_cita-d{width:100%;max-width:none;}#gs_md_cita-d .gs_md_prg{min-height:600px;}</style><div id="gs_md_cita-l" aria-live="assertive"></div></div></div></div><div data-h="0" class="gs_md_wnw gs_md_ds gs_md_wmw"><div id="gsc_md_fol" class="gs_md_d gs_md_ds gs_ttzi" role="dialog" tabindex="-1" aria-labelledby="gsc_md_fol-t" data-wfc="gsc_md_fol-x"><div class="gs_md_hdr"><a href="javascript:void(0)" id="gsc_md_fol-x" role="button" aria-label="Cancel" data-mdx="gsc_md_fol" class="gs_btnCLS gs_md_x gs_md_hdr_c gs_in_ib gs_btn_lrge"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl"></span></a><h2 id="gsc_md_fol-t" class="gs_md_hdr_t">Follow</h2><div class="gs_md_hdr_b"></div></div><div id="gsc_md_fol-bdy" class="gs_md_bdy"><form method="post" id="gsc_fol_f" action="/citations?hl=en&user=oTdyTasAAAAJ&view_op=list_works"><input type="hidden" name="xsrf" value="ADIE8skAAAAAZ0OdV-tV9vrDJHM-UQvzZSdoKa4"><input type="hidden" name="user" value="oTdyTasAAAAJ"><div id="gsc_fol_inp"></div><div id="gsc_fol_cb"><div class="gsc_fol_cr"><a href="javascript:void(0)" id="gsc_fol_a" role="checkbox" aria-checked="false" data-s="0" class="gs_cb_gen gs_in_cb"><span class="gs_lbl">New articles by this author</span><span class="gs_chk"></span><span class="gs_cbx"></span></a></div><div class="gsc_fol_cr"><a href="javascript:void(0)" id="gsc_fol_c" role="checkbox" aria-checked="false" data-s="0" 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class="gs_lbl">My profile</span></a><a href="/scholar?scilib=1&hl=en" role="menuitem" class="gs_btnL gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">My library</span></a><a href="/citations?view_op=metrics_intro&hl=en" role="menuitem" class="gs_btnJ gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Metrics</span></a><a href="/scholar_alerts?view_op=list_alerts&hl=en" role="menuitem" class="gs_btnM gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Alerts</span></a></div><div class="gs_hdr_drw_sec"><a href="/scholar_settings?hl=en" role="menuitem" class="gs_btnP gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Settings</span></a></div></div><div id="gs_hdr_drw_bot" class="gs_hdr_drw_sec"><a 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id="gsc_rsb_cit" role="region" aria-labelledby="gsc_prf_t-cit"><h3 class="gsc_rsb_header"><span class="gsc_rsb_title">Cited by</span><button type="button" id="gsc_hist_opn" class=" gs_btn_flat gs_btn_flact gs_btn_lrge gs_btn_half gs_btn_lsu gsc_rsb_action"><span class="gs_wr"><span class="gs_lbl">View all</span></span></button></h3><table id="gsc_rsb_st"><thead><tr><th class="gsc_rsb_sth"></th><th class="gsc_rsb_sth">All</th><th class="gsc_rsb_sth">Since 2019</th></tr></thead><tbody><tr><td class="gsc_rsb_sc1"><a href="javascript:void(0)" class="gsc_rsb_f gs_ibl" title="This is the number of citations to all publications. The second column has the "recent" version of this metric which is the number of new citations in the last 5 years to all publications.">Citations</a></td><td class="gsc_rsb_std">101089</td><td class="gsc_rsb_std">42125</td></tr><tr><td class="gsc_rsb_sc1"><a href="javascript:void(0)" class="gsc_rsb_f gs_ibl" title="h-index is the largest number h such that h publications have at least h citations. The second column has the "recent" version of this metric which is the largest number h such that h publications have at least h new citations in the last 5 years.">h-index</a></td><td class="gsc_rsb_std">96</td><td class="gsc_rsb_std">67</td></tr><tr><td class="gsc_rsb_sc1"><a href="javascript:void(0)" class="gsc_rsb_f gs_ibl" title="i10-index is the number of publications with at least 10 citations. The second column has the "recent" version of this metric which is the number of publications that have received at least 10 new citations in the last 5 years.">i10-index</a></td><td class="gsc_rsb_std">312</td><td class="gsc_rsb_std">196</td></tr></tbody></table><style>.gsc_g_t{position:absolute;bottom:0;color:#777;font-size:11px;}.gsc_g_a{position:absolute;bottom:13px;width:15px;background:#777;}.gsc_g_a:hover,.gsc_g_a:focus,.gsc_g_a:active{text-decoration:none;cursor:default;}.gsc_g_al{position:absolute;bottom:15px;left:7px;color:#222;background:white;font-size:11px;padding:1px;border:1px solid #777;border-radius:1px;visibility:hidden;opacity:0;transition:opacity .218s,visibility 0s .218s;}.gsc_g_a:hover .gsc_g_al,.gsc_g_a:focus .gsc_g_al,.gsc_g_a:active .gsc_g_al{visibility:visible;opacity:1;transition:all 0s;}#gsc_md_hist{max-width:934px;}.gsc_md_hist_w{position:relative;overflow:hidden;margin-right:43px;}.gs_md_bdy .gsc_md_hist_w,.gs_el_ph .gsc_md_hist_w,.gs_el_ta .gsc_md_hist_w{overflow-x:auto;padding-bottom:16px;}.gsc_md_hist_b{position:relative;height:174px;width:100%;}.gsc_md_hist_b .gsc_g_a{bottom:auto;}.gsc_md_hist_b .gsc_g_t{bottom:auto;top:161px;}.gsc_md_hist_b:after{position:absolute;right:888px;content:"\00A0";}.gsc_g_hist_x{position:relative;margin-right:45px;}.gsc_g_hist_xl{position:absolute;right:8px;width:35px;}.gs_el_ta .gsc_g_hist_xl,.gs_el_ph .gsc_g_hist_xl{right:16px;}.gsc_g_hist_wrp{padding-top:32px;position:relative;}.gs_el_ta .gsc_g_hist_wrp,.gs_el_ph .gsc_g_hist_wrp{padding-right:8px;}.gs_md_bdy .gsc_g_hist_wrp{border-top:0;}.gs_el_tc .gs_md_bdy .gsc_g_hist_wrp:after,.gs_el_tc.gs_el_ph .gsc_g_hist_wrp:after,.gs_el_tc.gs_el_ta .gsc_g_hist_wrp:after{display:block;content:"";position:absolute;z-index:100;top:0;left:0;width:20px;height:100%;background-image:linear-gradient(to left,rgba(255,255,255,0),rgba(255,255,255,1) 80%);}.gsc_g_x,.gsc_g_xt{position:absolute;left:0;border-bottom:1px solid #eee;width:100%;text-align:right;}.gsc_g_x{border-bottom:1px solid #eee;}.gsc_g_xtl{position:absolute;color:#777;}.gsc_g_gtr{position:absolute;}.gsc_g_a:last-child .gsc_g_al{right:0;left:auto;}</style><div class="gsc_g_hist_wrp" dir="rtl"><div class="gsc_g_hist_x"><div class="gsc_g_x" style="top:160px;"></div><div class="gsc_g_xt" style="top:0px;"></div><div class="gsc_g_xt" style="top:80px;"></div><div class="gsc_g_xt" style="top:120px;"></div><div class="gsc_g_xt" style="top:40px;"></div></div><div class="gsc_g_hist_xl"><div class="gsc_g_xtl" style="top:153px;">0</div><div class="gsc_g_xtl" style="top:-7px;">8000</div><div class="gsc_g_xtl" style="top:73px;">4000</div><div class="gsc_g_xtl" style="top:113px;">2000</div><div class="gsc_g_xtl" style="top:33px;">6000</div></div><div class="gsc_md_hist_w"><div class="gsc_md_hist_b"><span class="gsc_g_t" style="right:835px">1998</span><span class="gsc_g_t" style="right:803px">1999</span><span class="gsc_g_t" style="right:771px">2000</span><span class="gsc_g_t" style="right:739px">2001</span><span class="gsc_g_t" style="right:707px">2002</span><span class="gsc_g_t" style="right:675px">2003</span><span class="gsc_g_t" style="right:643px">2004</span><span class="gsc_g_t" style="right:611px">2005</span><span class="gsc_g_t" style="right:579px">2006</span><span class="gsc_g_t" style="right:547px">2007</span><span class="gsc_g_t" style="right:515px">2008</span><span class="gsc_g_t" style="right:483px">2009</span><span class="gsc_g_t" style="right:451px">2010</span><span class="gsc_g_t" style="right:419px">2011</span><span class="gsc_g_t" style="right:387px">2012</span><span class="gsc_g_t" style="right:355px">2013</span><span class="gsc_g_t" style="right:323px">2014</span><span class="gsc_g_t" style="right:291px">2015</span><span class="gsc_g_t" style="right:259px">2016</span><span class="gsc_g_t" style="right:227px">2017</span><span class="gsc_g_t" style="right:195px">2018</span><span class="gsc_g_t" style="right:163px">2019</span><span class="gsc_g_t" style="right:131px">2020</span><span class="gsc_g_t" style="right:99px">2021</span><span class="gsc_g_t" style="right:67px">2022</span><span class="gsc_g_t" style="right:35px">2023</span><span class="gsc_g_t" style="right:3px">2024</span><a href="javascript:void(0)" class="gsc_g_a" style="right:840px;top:155px;height:5px;z-index:27"><span class="gsc_g_al">276</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:808px;top:153px;height:7px;z-index:26"><span class="gsc_g_al">358</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:776px;top:152px;height:8px;z-index:25"><span class="gsc_g_al">449</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:744px;top:152px;height:8px;z-index:24"><span class="gsc_g_al">438</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:712px;top:148px;height:12px;z-index:23"><span class="gsc_g_al">631</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:680px;top:142px;height:18px;z-index:22"><span class="gsc_g_al">903</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:648px;top:141px;height:19px;z-index:21"><span class="gsc_g_al">963</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:616px;top:132px;height:28px;z-index:20"><span class="gsc_g_al">1415</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:584px;top:128px;height:32px;z-index:19"><span class="gsc_g_al">1648</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:552px;top:123px;height:37px;z-index:18"><span class="gsc_g_al">1870</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:520px;top:116px;height:44px;z-index:17"><span class="gsc_g_al">2211</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:488px;top:111px;height:49px;z-index:16"><span class="gsc_g_al">2499</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:456px;top:102px;height:58px;z-index:15"><span class="gsc_g_al">2913</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:424px;top:92px;height:68px;z-index:14"><span class="gsc_g_al">3421</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:392px;top:84px;height:76px;z-index:13"><span class="gsc_g_al">3820</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:360px;top:73px;height:87px;z-index:12"><span class="gsc_g_al">4397</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:328px;top:64px;height:96px;z-index:11"><span class="gsc_g_al">4801</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:296px;top:48px;height:112px;z-index:10"><span class="gsc_g_al">5624</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:264px;top:47px;height:113px;z-index:9"><span class="gsc_g_al">5661</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:232px;top:37px;height:123px;z-index:8"><span class="gsc_g_al">6168</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:200px;top:35px;height:125px;z-index:7"><span class="gsc_g_al">6264</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:168px;top:23px;height:137px;z-index:6"><span class="gsc_g_al">6852</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:136px;top:17px;height:143px;z-index:5"><span class="gsc_g_al">7170</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:104px;top:4px;height:156px;z-index:4"><span class="gsc_g_al">7822</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:72px;top:10px;height:150px;z-index:3"><span class="gsc_g_al">7538</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:40px;top:24px;height:136px;z-index:2"><span class="gsc_g_al">6807</span></a><a href="javascript:void(0)" class="gsc_g_a" style="right:8px;top:42px;height:118px;z-index:1"><span class="gsc_g_al">5916</span></a></div></div></div></div><div class="gsc_rsb_s gsc_prf_pnl" id="gsc_rsb_mnd" role="region" aria-labelledby="gsc_prf_t-mnd"><div class="gsc_rsb_header gsc_rsb_m_header"><div class="gsc_rsb_m_title">Public access</div><a href="/citations?view_op=list_mandates&hl=en&user=oTdyTasAAAAJ" id="gsc_lwp_mndt_lnk">View all</a></div><div class="gsc_rsb_hm gs_ota gs_oph"><button type="button" onclick="window.location='/citations?view_op\x3dlist_mandates\x26hl\x3den\x26user\x3doTdyTasAAAAJ'" class=" gs_btn_flat gs_btn_flact gs_btn_lrge gs_btn_half gs_btn_lsu"><span class="gs_wr"><span class="gs_lbl">View all</span></span></button></div><div class="gsc_rsb_m"><div class="gsc_rsb_m_a"><span>34 articles</span></div><div class="gsc_rsb_m_na"><div>5 articles</div></div><div class="gsc_rsb_m_bar"><div class="gsc_rsb_m_bar_na" style="width:13%"></div></div><div class="gsc_rsb_m_a"><span>available</span></div><div class="gsc_rsb_m_na"><span>not available</span></div><div class="gsc_rsb_m_desc">Based on funding mandates</div></div></div><div class="gsc_rsb_s gsc_prf_pnl" id="gsc_rsb_co" role="region" aria-labelledby="gsc_prf_t-ath"><h3 class="gsc_rsb_header"><span class="gsc_rsb_title">Co-authors</span><button type="button" id="gsc_coauth_opn" class=" gs_btn_flat gs_btn_flact gs_btn_lrge gs_btn_half gs_btn_lsu gsc_rsb_action"><span class="gs_wr"><span class="gs_lbl">View all</span></span></button></h3><ul class="gsc_rsb_a"><li><div class="gsc_rsb_aa" tabindex="0"><style>#gsc_rsb-Oa0jemgAAAAJ-img{width:32px;height:32px;}.gs_el_ta #gsc_rsb-Oa0jemgAAAAJ-img,.gs_el_ph #gsc_rsb-Oa0jemgAAAAJ-img{width:56px;height:56px;}</style><span id="gsc_rsb-Oa0jemgAAAAJ" class="gs_rimg gs_pp_tn gs_pp_mo_sm gsc_rsb_a_pht"><img alt="Luis Santos Pereira" sizes="(max-width:981px) 56px,32px" src="/scholar/images/cleardot.gif" id="gsc_rsb-Oa0jemgAAAAJ-img" class="gs_pp_df" data-src="/citations/images/avatar_scholar_56.png" data-srcset="/citations/images/avatar_scholar_32.png 32w,/citations/images/avatar_scholar_56.png 56w,/citations/images/avatar_scholar_128.png 128w"></span><span class="gsc_rsb_a_desc"><a tabindex="-1" href="/citations?user=Oa0jemgAAAAJ&hl=en">Luis Santos Pereira</a><span class="gsc_rsb_a_ext">Instituto Superior de Agronomia</span><span class="gsc_rsb_a_ext gsc_rsb_a_ext2">Verified email at isa.ulisboa.pt</span><span class="gsc_rsb_tap"><span class="gs_btnPR"><span class="gs_ico"></span></span></span></span></div></li><li><div class="gsc_rsb_aa" tabindex="0"><style>#gsc_rsb-iBq-M90AAAAJ-img{width:27px;height:32px;}.gs_el_ta #gsc_rsb-iBq-M90AAAAJ-img,.gs_el_ph #gsc_rsb-iBq-M90AAAAJ-img{width:47px;height:56px;}</style><span id="gsc_rsb-iBq-M90AAAAJ" class="gs_rimg gs_pp_tn gs_pp_mo_sm gsc_rsb_a_pht"><img alt="Dirk Raes" sizes="(max-width:981px) 47px,27px" src="/scholar/images/cleardot.gif" id="gsc_rsb-iBq-M90AAAAJ-img" class="gs_pp_df" data-src="https://scholar.googleusercontent.com/citations?view_op=small_photo&user=iBq-M90AAAAJ&citpid=3" data-srcset="https://scholar.googleusercontent.com/citations?view_op=tiny_photo&user=iBq-M90AAAAJ&citpid=3 27w,https://scholar.googleusercontent.com/citations?view_op=small_photo&user=iBq-M90AAAAJ&citpid=3 47w,https://scholar.googleusercontent.com/citations?view_op=view_photo&user=iBq-M90AAAAJ&citpid=3 108w"></span><span class="gsc_rsb_a_desc"><a tabindex="-1" href="/citations?user=iBq-M90AAAAJ&hl=en">Dirk Raes</a><span class="gsc_rsb_a_ext">KU Leuven university</span><span class="gsc_rsb_a_ext gsc_rsb_a_ext2">Verified email at kuleuven.be</span><span class="gsc_rsb_tap"><span class="gs_btnPR"><span class="gs_ico"></span></span></span></span></div></li><li><div class="gsc_rsb_aa" tabindex="0"><style>#gsc_rsb-REraR7YAAAAJ-img{width:24px;height:32px;}.gs_el_ta #gsc_rsb-REraR7YAAAAJ-img,.gs_el_ph #gsc_rsb-REraR7YAAAAJ-img{width:42px;height:56px;}</style><span id="gsc_rsb-REraR7YAAAAJ" class="gs_rimg gs_pp_tn gs_pp_mo_sm gsc_rsb_a_pht"><img alt="Ricardo Trezza" sizes="(max-width:981px) 42px,24px" src="/scholar/images/cleardot.gif" id="gsc_rsb-REraR7YAAAAJ-img" class="gs_pp_df" data-src="https://scholar.googleusercontent.com/citations?view_op=small_photo&user=REraR7YAAAAJ&citpid=2" data-srcset="https://scholar.googleusercontent.com/citations?view_op=tiny_photo&user=REraR7YAAAAJ&citpid=2 24w,https://scholar.googleusercontent.com/citations?view_op=small_photo&user=REraR7YAAAAJ&citpid=2 42w,https://scholar.googleusercontent.com/citations?view_op=view_photo&user=REraR7YAAAAJ&citpid=2 96w"></span><span class="gsc_rsb_a_desc"><a tabindex="-1" href="/citations?user=REraR7YAAAAJ&hl=en">Ricardo Trezza</a><span class="gsc_rsb_a_ext">CIMIS DWR-CA and University of Idaho</span><span class="gsc_rsb_a_ext gsc_rsb_a_ext2">Verified email at uidaho.edu</span><span class="gsc_rsb_tap"><span class="gs_btnPR"><span class="gs_ico"></span></span></span></span></div></li><li><div class="gsc_rsb_aa" tabindex="0"><style>#gsc_rsb-3rH0acMAAAAJ-img{width:32px;height:24px;}.gs_el_ta #gsc_rsb-3rH0acMAAAAJ-img,.gs_el_ph #gsc_rsb-3rH0acMAAAAJ-img{width:56px;height:42px;}</style><span id="gsc_rsb-3rH0acMAAAAJ" class="gs_rimg gs_pp_tn gs_pp_mo_sm gsc_rsb_a_pht"><img alt="Ayse Kilic" sizes="(max-width:981px) 56px,32px" src="/scholar/images/cleardot.gif" id="gsc_rsb-3rH0acMAAAAJ-img" class="gs_pp_df" data-src="https://scholar.googleusercontent.com/citations?view_op=small_photo&user=3rH0acMAAAAJ&citpid=2" data-srcset="https://scholar.googleusercontent.com/citations?view_op=tiny_photo&user=3rH0acMAAAAJ&citpid=2 32w,https://scholar.googleusercontent.com/citations?view_op=small_photo&user=3rH0acMAAAAJ&citpid=2 56w,https://scholar.googleusercontent.com/citations?view_op=view_photo&user=3rH0acMAAAAJ&citpid=2 128w"></span><span class="gsc_rsb_a_desc"><a tabindex="-1" href="/citations?user=3rH0acMAAAAJ&hl=en">Ayse Kilic</a><span class="gsc_rsb_a_ext">University of Nebraska</span><span class="gsc_rsb_a_ext gsc_rsb_a_ext2">Verified email at unl.edu</span><span class="gsc_rsb_tap"><span class="gs_btnPR"><span class="gs_ico"></span></span></span></span></div></li><li><div class="gsc_rsb_aa" tabindex="0"><style>#gsc_rsb-Iu8wR40AAAAJ-img{width:32px;height:20px;}.gs_el_ta #gsc_rsb-Iu8wR40AAAAJ-img,.gs_el_ph #gsc_rsb-Iu8wR40AAAAJ-img{width:56px;height:36px;}</style><span id="gsc_rsb-Iu8wR40AAAAJ" class="gs_rimg gs_pp_tn gs_pp_mo_sm gsc_rsb_a_pht"><img alt="Wim Bastiaanssen" sizes="(max-width:981px) 56px,32px" src="/scholar/images/cleardot.gif" id="gsc_rsb-Iu8wR40AAAAJ-img" class="gs_pp_df" data-src="https://scholar.googleusercontent.com/citations?view_op=small_photo&user=Iu8wR40AAAAJ&citpid=6" data-srcset="https://scholar.googleusercontent.com/citations?view_op=tiny_photo&user=Iu8wR40AAAAJ&citpid=6 32w,https://scholar.googleusercontent.com/citations?view_op=small_photo&user=Iu8wR40AAAAJ&citpid=6 56w,https://scholar.googleusercontent.com/citations?view_op=view_photo&user=Iu8wR40AAAAJ&citpid=6 128w"></span><span class="gsc_rsb_a_desc"><a tabindex="-1" href="/citations?user=Iu8wR40AAAAJ&hl=en">Wim Bastiaanssen</a><span class="gsc_rsb_a_ext">Delft University of Technology (TU Delft), Professor & CEO IrriWatch</span><span class="gsc_rsb_a_ext gsc_rsb_a_ext2">Verified email at irriwatch.com</span><span class="gsc_rsb_tap"><span class="gs_btnPR"><span class="gs_ico"></span></span></span></span></div></li><li><div class="gsc_rsb_aa" tabindex="0"><style>#gsc_rsb-FfD_fhsAAAAJ-img{width:32px;height:32px;}.gs_el_ta #gsc_rsb-FfD_fhsAAAAJ-img,.gs_el_ph #gsc_rsb-FfD_fhsAAAAJ-img{width:56px;height:56px;}</style><span id="gsc_rsb-FfD_fhsAAAAJ" class="gs_rimg gs_pp_tn gs_pp_mo_sm gsc_rsb_a_pht"><img alt="Martha Anderson" sizes="(max-width:981px) 56px,32px" src="/scholar/images/cleardot.gif" id="gsc_rsb-FfD_fhsAAAAJ-img" class="gs_pp_df" data-src="/citations/images/avatar_scholar_56.png" data-srcset="/citations/images/avatar_scholar_32.png 32w,/citations/images/avatar_scholar_56.png 56w,/citations/images/avatar_scholar_128.png 128w"></span><span class="gsc_rsb_a_desc"><a tabindex="-1" href="/citations?user=FfD_fhsAAAAJ&hl=en">Martha Anderson</a><span class="gsc_rsb_a_ext">USDA ARS</span><span class="gsc_rsb_a_ext gsc_rsb_a_ext2">Verified email at ars.usda.gov</span><span class="gsc_rsb_tap"><span class="gs_btnPR"><span class="gs_ico"></span></span></span></span></div></li><li><div class="gsc_rsb_aa" tabindex="0"><style>#gsc_rsb-WN3RPzYAAAAJ-img{width:32px;height:32px;}.gs_el_ta #gsc_rsb-WN3RPzYAAAAJ-img,.gs_el_ph #gsc_rsb-WN3RPzYAAAAJ-img{width:56px;height:56px;}</style><span id="gsc_rsb-WN3RPzYAAAAJ" class="gs_rimg gs_pp_tn gs_pp_mo_sm gsc_rsb_a_pht"><img alt="Jeppe Kjaersgaard" sizes="(max-width:981px) 56px,32px" src="/scholar/images/cleardot.gif" id="gsc_rsb-WN3RPzYAAAAJ-img" class="gs_pp_df" data-src="/citations/images/avatar_scholar_56.png" data-srcset="/citations/images/avatar_scholar_32.png 32w,/citations/images/avatar_scholar_56.png 56w,/citations/images/avatar_scholar_128.png 128w"></span><span class="gsc_rsb_a_desc"><a tabindex="-1" href="/citations?user=WN3RPzYAAAAJ&hl=en">Jeppe Kjaersgaard</a><span class="gsc_rsb_a_ext"></span><span class="gsc_rsb_a_ext gsc_rsb_a_ext2">Verified email at sdstate.edu</span><span class="gsc_rsb_tap"><span class="gs_btnPR"><span class="gs_ico"></span></span></span></span></div></li><li><div class="gsc_rsb_aa" tabindex="0"><style>#gsc_rsb-mKlH1skAAAAJ-img{width:29px;height:32px;}.gs_el_ta #gsc_rsb-mKlH1skAAAAJ-img,.gs_el_ph #gsc_rsb-mKlH1skAAAAJ-img{width:51px;height:56px;}</style><span id="gsc_rsb-mKlH1skAAAAJ" class="gs_rimg gs_pp_tn gs_pp_mo_sm gsc_rsb_a_pht"><img alt="Ignacio Jesus Lorite Torres" sizes="(max-width:981px) 51px,29px" src="/scholar/images/cleardot.gif" id="gsc_rsb-mKlH1skAAAAJ-img" class="gs_pp_df" data-src="https://scholar.googleusercontent.com/citations?view_op=small_photo&user=mKlH1skAAAAJ&citpid=2" data-srcset="https://scholar.googleusercontent.com/citations?view_op=tiny_photo&user=mKlH1skAAAAJ&citpid=2 29w,https://scholar.googleusercontent.com/citations?view_op=small_photo&user=mKlH1skAAAAJ&citpid=2 51w,https://scholar.googleusercontent.com/citations?view_op=view_photo&user=mKlH1skAAAAJ&citpid=2 116w"></span><span class="gsc_rsb_a_desc"><a tabindex="-1" href="/citations?user=mKlH1skAAAAJ&hl=en">Ignacio Jesus Lorite Torres</a><span class="gsc_rsb_a_ext">Investigador IFAPA</span><span class="gsc_rsb_a_ext gsc_rsb_a_ext2">Verified email at juntadeandalucia.es</span><span class="gsc_rsb_tap"><span class="gs_btnPR"><span class="gs_ico"></span></span></span></span></div></li><li><div class="gsc_rsb_aa" tabindex="0"><style>#gsc_rsb-qL8A-IkAAAAJ-img{width:32px;height:32px;}.gs_el_ta #gsc_rsb-qL8A-IkAAAAJ-img,.gs_el_ph #gsc_rsb-qL8A-IkAAAAJ-img{width:56px;height:56px;}</style><span id="gsc_rsb-qL8A-IkAAAAJ" class="gs_rimg gs_pp_tn gs_pp_mo_sm gsc_rsb_a_pht"><img alt="Justin Huntington" sizes="(max-width:981px) 56px,32px" src="/scholar/images/cleardot.gif" id="gsc_rsb-qL8A-IkAAAAJ-img" class="gs_pp_df" data-src="https://scholar.googleusercontent.com/citations?view_op=small_photo&user=qL8A-IkAAAAJ&citpid=4" data-srcset="https://scholar.googleusercontent.com/citations?view_op=tiny_photo&user=qL8A-IkAAAAJ&citpid=4 32w,https://scholar.googleusercontent.com/citations?view_op=small_photo&user=qL8A-IkAAAAJ&citpid=4 56w,https://scholar.googleusercontent.com/citations?view_op=view_photo&user=qL8A-IkAAAAJ&citpid=4 128w"></span><span class="gsc_rsb_a_desc"><a tabindex="-1" href="/citations?user=qL8A-IkAAAAJ&hl=en">Justin Huntington</a><span class="gsc_rsb_a_ext">Research Professor, Desert Research Institute</span><span class="gsc_rsb_a_ext gsc_rsb_a_ext2">Verified email at dri.edu</span><span class="gsc_rsb_tap"><span class="gs_btnPR"><span class="gs_ico"></span></span></span></span></div></li><li><div class="gsc_rsb_aa" tabindex="0"><style>#gsc_rsb-oIHIQaAAAAAJ-img{width:32px;height:32px;}.gs_el_ta #gsc_rsb-oIHIQaAAAAAJ-img,.gs_el_ph #gsc_rsb-oIHIQaAAAAAJ-img{width:56px;height:56px;}</style><span id="gsc_rsb-oIHIQaAAAAAJ" class="gs_rimg gs_pp_tn gs_pp_mo_sm gsc_rsb_a_pht"><img alt="Ronald Elliott" sizes="(max-width:981px) 56px,32px" src="/scholar/images/cleardot.gif" id="gsc_rsb-oIHIQaAAAAAJ-img" class="gs_pp_df" data-src="/citations/images/avatar_scholar_56.png" data-srcset="/citations/images/avatar_scholar_32.png 32w,/citations/images/avatar_scholar_56.png 56w,/citations/images/avatar_scholar_128.png 128w"></span><span class="gsc_rsb_a_desc"><a tabindex="-1" href="/citations?user=oIHIQaAAAAAJ&hl=en">Ronald Elliott</a><span class="gsc_rsb_a_ext">Professor Emeritus, Oklahoma State University</span><span class="gsc_rsb_a_ext gsc_rsb_a_ext2">Verified email at okstate.edu</span><span class="gsc_rsb_tap"><span class="gs_btnPR"><span class="gs_ico"></span></span></span></span></div></li><li><div class="gsc_rsb_aa" tabindex="0"><style>#gsc_rsb-Ec8mZGcAAAAJ-img{width:32px;height:32px;}.gs_el_ta #gsc_rsb-Ec8mZGcAAAAJ-img,.gs_el_ph #gsc_rsb-Ec8mZGcAAAAJ-img{width:56px;height:56px;}</style><span id="gsc_rsb-Ec8mZGcAAAAJ" class="gs_rimg gs_pp_tn gs_pp_mo_sm gsc_rsb_a_pht"><img alt="Forrest Melton" sizes="(max-width:981px) 56px,32px" src="/scholar/images/cleardot.gif" id="gsc_rsb-Ec8mZGcAAAAJ-img" class="gs_pp_df" data-src="/citations/images/avatar_scholar_56.png" data-srcset="/citations/images/avatar_scholar_32.png 32w,/citations/images/avatar_scholar_56.png 56w,/citations/images/avatar_scholar_128.png 128w"></span><span class="gsc_rsb_a_desc"><a tabindex="-1" href="/citations?user=Ec8mZGcAAAAJ&hl=en">Forrest Melton</a><span class="gsc_rsb_a_ext">Senior Research Scientist, California State University Monterey Bay / Cooperative for Research in Earth Science and Technology a</span><span class="gsc_rsb_a_ext gsc_rsb_a_ext2">Verified email at csumb.edu</span><span class="gsc_rsb_tap"><span class="gs_btnPR"><span class="gs_ico"></span></span></span></span></div></li><li><div class="gsc_rsb_aa" tabindex="0"><style>#gsc_rsb-zkUEjyIAAAAJ-img{width:32px;height:32px;}.gs_el_ta #gsc_rsb-zkUEjyIAAAAJ-img,.gs_el_ph #gsc_rsb-zkUEjyIAAAAJ-img{width:56px;height:56px;}</style><span id="gsc_rsb-zkUEjyIAAAAJ" class="gs_rimg gs_pp_tn gs_pp_mo_sm gsc_rsb_a_pht"><img alt="Bill Kustas" sizes="(max-width:981px) 56px,32px" src="/scholar/images/cleardot.gif" id="gsc_rsb-zkUEjyIAAAAJ-img" class="gs_pp_df" data-src="/citations/images/avatar_scholar_56.png" data-srcset="/citations/images/avatar_scholar_32.png 32w,/citations/images/avatar_scholar_56.png 56w,/citations/images/avatar_scholar_128.png 128w"></span><span class="gsc_rsb_a_desc"><a tabindex="-1" href="/citations?user=zkUEjyIAAAAJ&hl=en">Bill Kustas</a><span class="gsc_rsb_a_ext">Research Hydrologist</span><span class="gsc_rsb_a_ext gsc_rsb_a_ext2">Verified email at ars.usda.gov</span><span class="gsc_rsb_tap"><span class="gs_btnPR"><span class="gs_ico"></span></span></span></span></div></li><li><div class="gsc_rsb_aa" tabindex="0"><style>#gsc_rsb-DP5tPOAAAAAJ-img{width:32px;height:32px;}.gs_el_ta #gsc_rsb-DP5tPOAAAAAJ-img,.gs_el_ph #gsc_rsb-DP5tPOAAAAAJ-img{width:56px;height:56px;}</style><span id="gsc_rsb-DP5tPOAAAAAJ" class="gs_rimg gs_pp_tn gs_pp_mo_sm gsc_rsb_a_pht"><img alt="Peter Droogers" sizes="(max-width:981px) 56px,32px" src="/scholar/images/cleardot.gif" id="gsc_rsb-DP5tPOAAAAAJ-img" class="gs_pp_df" data-src="/citations/images/avatar_scholar_56.png" data-srcset="/citations/images/avatar_scholar_32.png 32w,/citations/images/avatar_scholar_56.png 56w,/citations/images/avatar_scholar_128.png 128w"></span><span class="gsc_rsb_a_desc"><a tabindex="-1" href="/citations?user=DP5tPOAAAAAJ&hl=en">Peter Droogers</a><span class="gsc_rsb_a_ext">FutureWater</span><span class="gsc_rsb_a_ext gsc_rsb_a_ext2">Verified email at futurewater.nl</span><span class="gsc_rsb_tap"><span class="gs_btnPR"><span class="gs_ico"></span></span></span></span></div></li><li><div class="gsc_rsb_aa" tabindex="0"><style>#gsc_rsb-L-xs06gAAAAJ-img{width:32px;height:23px;}.gs_el_ta #gsc_rsb-L-xs06gAAAAJ-img,.gs_el_ph #gsc_rsb-L-xs06gAAAAJ-img{width:56px;height:40px;}</style><span id="gsc_rsb-L-xs06gAAAAJ" class="gs_rimg gs_pp_tn gs_pp_mo_sm gsc_rsb_a_pht"><img alt="Joshua B. Fisher" sizes="(max-width:981px) 56px,32px" src="/scholar/images/cleardot.gif" id="gsc_rsb-L-xs06gAAAAJ-img" class="gs_pp_df" data-src="https://scholar.googleusercontent.com/citations?view_op=small_photo&user=L-xs06gAAAAJ&citpid=3" data-srcset="https://scholar.googleusercontent.com/citations?view_op=tiny_photo&user=L-xs06gAAAAJ&citpid=3 32w,https://scholar.googleusercontent.com/citations?view_op=small_photo&user=L-xs06gAAAAJ&citpid=3 56w,https://scholar.googleusercontent.com/citations?view_op=view_photo&user=L-xs06gAAAAJ&citpid=3 128w"></span><span class="gsc_rsb_a_desc"><a tabindex="-1" href="/citations?user=L-xs06gAAAAJ&hl=en">Joshua B. Fisher</a><span class="gsc_rsb_a_ext">Chapman University; UCLA</span><span class="gsc_rsb_a_ext gsc_rsb_a_ext2">Verified email at chapman.edu</span><span class="gsc_rsb_tap"><span class="gs_btnPR"><span class="gs_ico"></span></span></span></span></div></li><li><div class="gsc_rsb_aa" tabindex="0"><style>#gsc_rsb-n6eB9w8AAAAJ-img{width:32px;height:32px;}.gs_el_ta #gsc_rsb-n6eB9w8AAAAJ-img,.gs_el_ph #gsc_rsb-n6eB9w8AAAAJ-img{width:56px;height:56px;}</style><span id="gsc_rsb-n6eB9w8AAAAJ" class="gs_rimg gs_pp_tn gs_pp_mo_sm gsc_rsb_a_pht"><img alt="Jan M H Hendrickx" sizes="(max-width:981px) 56px,32px" src="/scholar/images/cleardot.gif" id="gsc_rsb-n6eB9w8AAAAJ-img" class="gs_pp_df" data-src="/citations/images/avatar_scholar_56.png" data-srcset="/citations/images/avatar_scholar_32.png 32w,/citations/images/avatar_scholar_56.png 56w,/citations/images/avatar_scholar_128.png 128w"></span><span class="gsc_rsb_a_desc"><a tabindex="-1" href="/citations?user=n6eB9w8AAAAJ&hl=en">Jan M H Hendrickx</a><span class="gsc_rsb_a_ext">Professor Emeritus of Hydrology</span><span class="gsc_rsb_a_ext gsc_rsb_a_ext2">Verified email at nmt.edu</span><span class="gsc_rsb_tap"><span class="gs_btnPR"><span class="gs_ico"></span></span></span></span></div></li><li><div class="gsc_rsb_aa" tabindex="0"><style>#gsc_rsb-ZPkjWbyRuNsC-img{width:23px;height:32px;}.gs_el_ta #gsc_rsb-ZPkjWbyRuNsC-img,.gs_el_ph #gsc_rsb-ZPkjWbyRuNsC-img{width:40px;height:56px;}</style><span id="gsc_rsb-ZPkjWbyRuNsC" class="gs_rimg gs_pp_tn gs_pp_mo_sm gsc_rsb_a_pht"><img alt="Charles Burt" sizes="(max-width:981px) 40px,23px" src="/scholar/images/cleardot.gif" id="gsc_rsb-ZPkjWbyRuNsC-img" class="gs_pp_df" data-src="https://scholar.googleusercontent.com/citations?view_op=small_photo&user=ZPkjWbyRuNsC&citpid=1" data-srcset="https://scholar.googleusercontent.com/citations?view_op=tiny_photo&user=ZPkjWbyRuNsC&citpid=1 23w,https://scholar.googleusercontent.com/citations?view_op=small_photo&user=ZPkjWbyRuNsC&citpid=1 40w,https://scholar.googleusercontent.com/citations?view_op=view_photo&user=ZPkjWbyRuNsC&citpid=1 91w"></span><span class="gsc_rsb_a_desc"><a tabindex="-1" href="/citations?user=ZPkjWbyRuNsC&hl=en">Charles Burt</a><span class="gsc_rsb_a_ext">Irrigation Training & Research Center, Cal Poly State University</span><span class="gsc_rsb_a_ext gsc_rsb_a_ext2">Verified email at calpoly.edu</span><span class="gsc_rsb_tap"><span class="gs_btnPR"><span class="gs_ico"></span></span></span></span></div></li><li><div class="gsc_rsb_aa" tabindex="0"><style>#gsc_rsb--JCeUDQAAAAJ-img{width:32px;height:26px;}.gs_el_ta #gsc_rsb--JCeUDQAAAAJ-img,.gs_el_ph #gsc_rsb--JCeUDQAAAAJ-img{width:56px;height:45px;}</style><span id="gsc_rsb--JCeUDQAAAAJ" class="gs_rimg gs_pp_tn gs_pp_mo_sm gsc_rsb_a_pht"><img alt="Cristina Santos" sizes="(max-width:981px) 56px,32px" src="/scholar/images/cleardot.gif" id="gsc_rsb--JCeUDQAAAAJ-img" class="gs_pp_df" data-src="https://scholar.googleusercontent.com/citations?view_op=small_photo&user=-JCeUDQAAAAJ&citpid=4" data-srcset="https://scholar.googleusercontent.com/citations?view_op=tiny_photo&user=-JCeUDQAAAAJ&citpid=4 32w,https://scholar.googleusercontent.com/citations?view_op=small_photo&user=-JCeUDQAAAAJ&citpid=4 56w,https://scholar.googleusercontent.com/citations?view_op=view_photo&user=-JCeUDQAAAAJ&citpid=4 128w"></span><span class="gsc_rsb_a_desc"><a tabindex="-1" href="/citations?user=-JCeUDQAAAAJ&hl=en">Cristina Santos</a><span class="gsc_rsb_a_ext">IFAPA</span><span class="gsc_rsb_a_ext gsc_rsb_a_ext2">Verified email at juntadeandalucia.es</span><span class="gsc_rsb_tap"><span class="gs_btnPR"><span class="gs_ico"></span></span></span></span></div></li><li><div class="gsc_rsb_aa" tabindex="0"><style>#gsc_rsb-YOMWYqMAAAAJ-img{width:31px;height:32px;}.gs_el_ta #gsc_rsb-YOMWYqMAAAAJ-img,.gs_el_ph #gsc_rsb-YOMWYqMAAAAJ-img{width:54px;height:56px;}</style><span id="gsc_rsb-YOMWYqMAAAAJ" class="gs_rimg gs_pp_tn gs_pp_mo_sm gsc_rsb_a_pht"><img alt="Christopher Hain" sizes="(max-width:981px) 54px,31px" src="/scholar/images/cleardot.gif" id="gsc_rsb-YOMWYqMAAAAJ-img" class="gs_pp_df" data-src="https://scholar.googleusercontent.com/citations?view_op=small_photo&user=YOMWYqMAAAAJ&citpid=6" data-srcset="https://scholar.googleusercontent.com/citations?view_op=tiny_photo&user=YOMWYqMAAAAJ&citpid=6 31w,https://scholar.googleusercontent.com/citations?view_op=small_photo&user=YOMWYqMAAAAJ&citpid=6 54w,https://scholar.googleusercontent.com/citations?view_op=view_photo&user=YOMWYqMAAAAJ&citpid=6 123w"></span><span class="gsc_rsb_a_desc"><a tabindex="-1" href="/citations?user=YOMWYqMAAAAJ&hl=en">Christopher Hain</a><span class="gsc_rsb_a_ext">NASA Marshall Space Flight Center</span><span class="gsc_rsb_a_ext gsc_rsb_a_ext2">Verified email at nasa.gov</span><span class="gsc_rsb_tap"><span 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class="gsc_a_at">Crop evapotranspiration-Guidelines for computing crop water requirements-FAO Irrigation and drainage paper 56</a><div class="gs_gray">RG Allen, LS Pereira, D Raes, M Smith</div><div class="gs_gray">Fao, Rome 300 (9), D05109<span class="gs_oph">, 1998</span></div></td><td class="gsc_a_c"><a href="https://scholar.google.com/scholar?oi=bibs&hl=en&cites=3023142605476077586,5974523460318421918,7158595582970600282,18133749722047262629,16684584551576352039,11463035456957213035,1570611150902766189,455803501206593201,3260651923705310019,14823879605408960101,13203489673846983234,17490192084886650780,8025726233964475645,16697315321962329782,7486391530676433313,9380046224720449658,4282572742344586754,9039477551819522762,14285974743652296926" class="gsc_a_ac gs_ibl">43726</a><span class="gsc_a_m"><a href="javascript:void(0)" class="gsc_a_am" data-eid="oTdyTasAAAAJ:u5HHmVD_uO8C">*</a></span></td><td class="gsc_a_y"><span class="gsc_a_h gsc_a_hc gs_ibl">1998</span></td></tr><tr class="gsc_a_tr"><td class="gsc_a_t"><a href="/citations?view_op=view_citation&hl=en&user=oTdyTasAAAAJ&citation_for_view=oTdyTasAAAAJ:Qovp55VTycgC" class="gsc_a_at">Evapotranspiration and irrigation water requirements: a manual.</a><div class="gs_gray">ME Jensen, RD Burman, RG Allen</div><div class="gs_gray">ASCE manuals and reports on engineering practice (USA). no. 70.<span class="gs_oph">, 1990</span></div></td><td class="gsc_a_c"><a href="https://scholar.google.com/scholar?oi=bibs&hl=en&cites=3064491023036484691,597730572007899561" class="gsc_a_ac gs_ibl">3511</a></td><td class="gsc_a_y"><span class="gsc_a_h gsc_a_hc gs_ibl">1990</span></td></tr><tr class="gsc_a_tr"><td class="gsc_a_t"><a href="/citations?view_op=view_citation&hl=en&user=oTdyTasAAAAJ&citation_for_view=oTdyTasAAAAJ:U_HPUtbDl20C" class="gsc_a_at">Landsat-8: Science and product vision for terrestrial global change research</a><div class="gs_gray">DP Roy, MA Wulder, TR Loveland, CE Woodcock, RG Allen, ...</div><div class="gs_gray">Remote sensing of Environment 145, 154-172<span class="gs_oph">, 2014</span></div></td><td class="gsc_a_c"><a href="https://scholar.google.com/scholar?oi=bibs&hl=en&cites=13350734694130832554" class="gsc_a_ac gs_ibl">2542</a></td><td class="gsc_a_y"><span class="gsc_a_h gsc_a_hc gs_ibl">2014</span></td></tr><tr class="gsc_a_tr"><td class="gsc_a_t"><a href="/citations?view_op=view_citation&hl=en&user=oTdyTasAAAAJ&citation_for_view=oTdyTasAAAAJ:2osOgNQ5qMEC" class="gsc_a_at">Satellite-based energy balance for mapping evapotranspiration with internalized calibration (METRIC)—Model</a><div class="gs_gray">RG Allen, M Tasumi, R Trezza</div><div class="gs_gray">Journal of irrigation and drainage engineering 133 (4), 380-394<span class="gs_oph">, 2007</span></div></td><td class="gsc_a_c"><a href="https://scholar.google.com/scholar?oi=bibs&hl=en&cites=11341623459662467436" class="gsc_a_ac gs_ibl">2386</a></td><td class="gsc_a_y"><span class="gsc_a_h gsc_a_hc gs_ibl">2007</span></td></tr><tr class="gsc_a_tr"><td class="gsc_a_t"><a href="/citations?view_op=view_citation&hl=en&user=oTdyTasAAAAJ&citation_for_view=oTdyTasAAAAJ:jSAVyFp_754C" class="gsc_a_at">FAO Irrigation and drainage paper No. 56</a><div class="gs_gray">RG Allen, LS Pereira, D Raes, M Smith</div><div class="gs_gray">Rome: Food and Agriculture Organization of the United Nations 56 (97), e156<span class="gs_oph">, 1998</span></div></td><td class="gsc_a_c"><a href="https://scholar.google.com/scholar?oi=bibs&hl=en&cites=4264128645343959595" class="gsc_a_ac gs_ibl">1711</a></td><td class="gsc_a_y"><span class="gsc_a_h gsc_a_hc gs_ibl">1998</span></td></tr><tr class="gsc_a_tr"><td class="gsc_a_t"><a href="/citations?view_op=view_citation&hl=en&user=oTdyTasAAAAJ&citation_for_view=oTdyTasAAAAJ:YsMSGLbcyi4C" class="gsc_a_at">ASCE’s standardized reference evapotranspiration equation</a><div class="gs_gray">IA Walter, RG Allen, R Elliott, ME Jensen, D Itenfisu, B Mecham, ...</div><div class="gs_gray">Watershed management and operations management 2000, 1-11<span class="gs_oph">, 2000</span></div></td><td class="gsc_a_c"><a href="https://scholar.google.com/scholar?oi=bibs&hl=en&cites=14755550276198842259,12316280891770807629,3098815752701058486,8896563801171511755,13579421383519846302" class="gsc_a_ac gs_ibl">1661</a></td><td class="gsc_a_y"><span class="gsc_a_h gsc_a_hc gs_ibl">2000</span></td></tr><tr class="gsc_a_tr"><td class="gsc_a_t"><a href="/citations?view_op=view_citation&hl=en&user=oTdyTasAAAAJ&citation_for_view=oTdyTasAAAAJ:u-x6o8ySG0sC" class="gsc_a_at">An update for the definition of reference evapotranspiration</a><div class="gs_gray">RG Allen, M Smith, A Perrier, LS Pereira</div><div class="gs_gray">ICID bulletin 43 (2), 1-34<span class="gs_oph">, 1994</span></div></td><td class="gsc_a_c"><a href="https://scholar.google.com/scholar?oi=bibs&hl=en&cites=7408971610527754526,2014576536763048137" class="gsc_a_ac gs_ibl">1615</a><span class="gsc_a_m"><a href="javascript:void(0)" class="gsc_a_am" data-eid="oTdyTasAAAAJ:u-x6o8ySG0sC">*</a></span></td><td class="gsc_a_y"><span class="gsc_a_h gsc_a_hc gs_ibl">1994</span></td></tr><tr class="gsc_a_tr"><td class="gsc_a_t"><a href="/citations?view_op=view_citation&hl=en&user=oTdyTasAAAAJ&citation_for_view=oTdyTasAAAAJ:Y0pCki6q_DkC" class="gsc_a_at">History and evaluation of Hargreaves evapotranspiration equation</a><div class="gs_gray">GH Hargreaves, RG Allen</div><div class="gs_gray">Journal of irrigation and drainage engineering 129 (1), 53-63<span class="gs_oph">, 2003</span></div></td><td class="gsc_a_c"><a href="https://scholar.google.com/scholar?oi=bibs&hl=en&cites=16492070270519747215" class="gsc_a_ac gs_ibl">1429</a></td><td class="gsc_a_y"><span class="gsc_a_h gsc_a_hc gs_ibl">2003</span></td></tr><tr class="gsc_a_tr"><td class="gsc_a_t"><a href="/citations?view_op=view_citation&hl=en&user=oTdyTasAAAAJ&citation_for_view=oTdyTasAAAAJ:d1gkVwhDpl0C" class="gsc_a_at">Operational estimates of reference evapotranspiration</a><div class="gs_gray">RG Allen, ME Jensen, JL Wright, RD Burman</div><div class="gs_gray">Agronomy journal 81 (4), 650-662<span class="gs_oph">, 1989</span></div></td><td class="gsc_a_c"><a href="https://scholar.google.com/scholar?oi=bibs&hl=en&cites=15910836139103334537" class="gsc_a_ac gs_ibl">1394</a></td><td class="gsc_a_y"><span class="gsc_a_h gsc_a_hc gs_ibl">1989</span></td></tr><tr class="gsc_a_tr"><td class="gsc_a_t"><a href="/citations?view_op=view_citation&hl=en&user=oTdyTasAAAAJ&citation_for_view=oTdyTasAAAAJ:hFOr9nPyWt4C" class="gsc_a_at">Evapotranspiración del cultivo: guías para la determinación de los requerimientos de agua de los cultivos</a><div class="gs_gray">RG Allen, LS Pereira, D Raes, M Smith</div><div class="gs_gray">Roma: FAO 298 (0)<span class="gs_oph">, 2006</span></div></td><td class="gsc_a_c"><a href="https://scholar.google.com/scholar?oi=bibs&hl=en&cites=11321704927102049119" class="gsc_a_ac gs_ibl">1375</a></td><td class="gsc_a_y"><span class="gsc_a_h gsc_a_hc gs_ibl">2006</span></td></tr><tr class="gsc_a_tr"><td class="gsc_a_t"><a href="/citations?view_op=view_citation&hl=en&user=oTdyTasAAAAJ&citation_for_view=oTdyTasAAAAJ:Tyk-4Ss8FVUC" class="gsc_a_at">Estimating reference evapotranspiration under inaccurate data conditions</a><div class="gs_gray">P Droogers, RG Allen</div><div class="gs_gray">Irrigation and drainage systems 16, 33-45<span class="gs_oph">, 2002</span></div></td><td class="gsc_a_c"><a href="https://scholar.google.com/scholar?oi=bibs&hl=en&cites=17644390879566518738" class="gsc_a_ac gs_ibl">1303</a></td><td class="gsc_a_y"><span class="gsc_a_h gsc_a_hc gs_ibl">2002</span></td></tr><tr class="gsc_a_tr"><td class="gsc_a_t"><a href="/citations?view_op=view_citation&hl=en&user=oTdyTasAAAAJ&citation_for_view=oTdyTasAAAAJ:ns9cj8rnVeAC" class="gsc_a_at">Evapotranspiration information reporting: I. Factors governing measurement accuracy</a><div class="gs_gray">RG Allen, LS Pereira, TA Howell, ME Jensen</div><div class="gs_gray">Agricultural Water Management 98 (6), 899-920<span class="gs_oph">, 2011</span></div></td><td class="gsc_a_c"><a href="https://scholar.google.com/scholar?oi=bibs&hl=en&cites=4942480254952554593" class="gsc_a_ac gs_ibl">1175</a></td><td class="gsc_a_y"><span class="gsc_a_h gsc_a_hc gs_ibl">2011</span></td></tr><tr class="gsc_a_tr"><td class="gsc_a_t"><a href="/citations?view_op=view_citation&hl=en&user=oTdyTasAAAAJ&citation_for_view=oTdyTasAAAAJ:mVmsd5A6BfQC" class="gsc_a_at">Free access to Landsat imagery.</a><div class="gs_gray">CE Woodcock, R Allen, M Anderson, A Belward, R Bindschadler, ...</div><div class="gs_gray">SCIENCE VOL 320: 1011<span class="gs_oph">, 2008</span></div></td><td class="gsc_a_c"><a href="https://scholar.google.com/scholar?oi=bibs&hl=en&cites=17016071320706262818" class="gsc_a_ac gs_ibl">1071</a></td><td class="gsc_a_y"><span class="gsc_a_h gsc_a_hc gs_ibl">2008</span></td></tr><tr class="gsc_a_tr"><td class="gsc_a_t"><a href="/citations?view_op=view_citation&hl=en&user=oTdyTasAAAAJ&citation_for_view=oTdyTasAAAAJ:ufrVoPGSRksC" class="gsc_a_at">Satellite-based energy balance for mapping evapotranspiration with internalized calibration (METRIC)—Applications</a><div class="gs_gray">RG Allen, M Tasumi, A Morse, R Trezza, JL Wright, W Bastiaanssen, ...</div><div class="gs_gray">Journal of irrigation and drainage engineering 133 (4), 395-406<span class="gs_oph">, 2007</span></div></td><td class="gsc_a_c"><a href="https://scholar.google.com/scholar?oi=bibs&hl=en&cites=3179539324234428426" class="gsc_a_ac gs_ibl">1002</a></td><td class="gsc_a_y"><span class="gsc_a_h gsc_a_hc gs_ibl">2007</span></td></tr><tr class="gsc_a_tr"><td class="gsc_a_t"><a href="/citations?view_op=view_citation&hl=en&user=oTdyTasAAAAJ&citation_for_view=oTdyTasAAAAJ:IjCSPb-OGe4C" class="gsc_a_at">SEBAL model with remotely sensed data to improve water-resources management under actual field conditions</a><div class="gs_gray">WGM Bastiaanssen, EJM Noordman, H Pelgrum, G Davids, BP Thoreson, ...</div><div class="gs_gray">Journal of irrigation and drainage engineering 131 (1), 85-93<span class="gs_oph">, 2005</span></div></td><td class="gsc_a_c"><a href="https://scholar.google.com/scholar?oi=bibs&hl=en&cites=3570407804391301815" class="gsc_a_ac gs_ibl">979</a></td><td class="gsc_a_y"><span class="gsc_a_h gsc_a_hc gs_ibl">2005</span></td></tr><tr class="gsc_a_tr"><td class="gsc_a_t"><a href="/citations?view_op=view_citation&hl=en&user=oTdyTasAAAAJ&citation_for_view=oTdyTasAAAAJ:YanO1q2l3soC" class="gsc_a_at">Current status of Landsat program, science, and applications</a><div class="gs_gray">MA Wulder, TR Loveland, DP Roy, CJ Crawford, JG Masek, ...</div><div class="gs_gray">Remote sensing of environment 225, 127-147<span class="gs_oph">, 2019</span></div></td><td class="gsc_a_c"><a href="https://scholar.google.com/scholar?oi=bibs&hl=en&cites=3326510755373030609" class="gsc_a_ac gs_ibl">924</a></td><td class="gsc_a_y"><span class="gsc_a_h gsc_a_hc gs_ibl">2019</span></td></tr><tr class="gsc_a_tr"><td class="gsc_a_t"><a href="/citations?view_op=view_citation&hl=en&user=oTdyTasAAAAJ&citation_for_view=oTdyTasAAAAJ:roLk4NBRz8UC" class="gsc_a_at"><i>FAO-56</i> Dual Crop Coefficient Method for Estimating Evaporation from Soil and Application Extensions</a><div class="gs_gray">RG Allen, LS Pereira, M Smith, D Raes, JL Wright</div><div class="gs_gray">Journal of irrigation and drainage engineering 131 (1), 2-13<span class="gs_oph">, 2005</span></div></td><td class="gsc_a_c"><a href="https://scholar.google.com/scholar?oi=bibs&hl=en&cites=5247364977942764394" class="gsc_a_ac gs_ibl">853</a></td><td class="gsc_a_y"><span class="gsc_a_h gsc_a_hc gs_ibl">2005</span></td></tr><tr class="gsc_a_tr"><td class="gsc_a_t"><a href="/citations?view_op=view_citation&hl=en&user=oTdyTasAAAAJ&citation_for_view=oTdyTasAAAAJ:BrOSOlqYqPUC" class="gsc_a_at">Crop evapotranspiration estimation with FAO56: Past and future</a><div class="gs_gray">LS Pereira, RG Allen, M Smith, D Raes</div><div class="gs_gray">Agricultural water management 147, 4-20<span class="gs_oph">, 2015</span></div></td><td class="gsc_a_c"><a href="https://scholar.google.com/scholar?oi=bibs&hl=en&cites=11085553700090152070" class="gsc_a_ac gs_ibl">852</a></td><td class="gsc_a_y"><span class="gsc_a_h gsc_a_hc gs_ibl">2015</span></td></tr><tr class="gsc_a_tr"><td class="gsc_a_t"><a href="/citations?view_op=view_citation&hl=en&user=oTdyTasAAAAJ&citation_for_view=oTdyTasAAAAJ:LkGwnXOMwfcC" class="gsc_a_at">A recommendation on standardized surface resistance for hourly calculation of reference ETo by the FAO56 Penman-Monteith method</a><div class="gs_gray">RG Allen, WO Pruitt, JL Wright, TA Howell, F Ventura, R Snyder, D Itenfisu, ...</div><div class="gs_gray">Agricultural water management 81 (1-2), 1-22<span class="gs_oph">, 2006</span></div></td><td class="gsc_a_c"><a href="https://scholar.google.com/scholar?oi=bibs&hl=en&cites=8726497997740722132" class="gsc_a_ac gs_ibl">826</a></td><td class="gsc_a_y"><span class="gsc_a_h gsc_a_hc gs_ibl">2006</span></td></tr><tr class="gsc_a_tr"><td class="gsc_a_t"><a href="/citations?view_op=view_citation&hl=en&user=oTdyTasAAAAJ&citation_for_view=oTdyTasAAAAJ:8O4vDxvErlEC" class="gsc_a_at">The paradox of irrigation efficiency</a><div class="gs_gray">RQ Grafton, J Williams, CJ Perry, F Molle, C Ringler, P Steduto, B Udall, ...</div><div class="gs_gray">Science 361 (6404), 748-750<span class="gs_oph">, 2018</span></div></td><td class="gsc_a_c"><a href="https://scholar.google.com/scholar?oi=bibs&hl=en&cites=14219767570390137848" class="gsc_a_ac gs_ibl">813</a></td><td class="gsc_a_y"><span class="gsc_a_h gsc_a_hc gs_ibl">2018</span></td></tr></tbody></table><div id="gsc_a_sp"></div><div 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