CINXE.COM
Just a moment...
<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'managed',cRay: '91c6677449dd3f69',cH: 'j6Av0wg1Dby0Pc86NoZJS8J4AWGCyybP7Fvp03KhNm8-1741311829-1.2.1.1-vBXw_NdEcmEV5ZBsDVSH5A8W2kEGJbUSjN31VKKlkPnJ0XrXX8jj4aGfP0BXFjmd',cUPMDTk: "\/search?q=hydrological%20regime&__cf_chl_tk=eFpvHH7393Nthq8hvfVzJWM4P.nEsrgWcCpafUEmMf4-1741311829-1.0.1.1-vlWjGtxnqKPbGf8iUvv8OKzDCHiLdxaf6_N84FTBwqs",cFPWv: 'g',cITimeS: '1741311829',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/search?q=hydrological%20regime&__cf_chl_f_tk=eFpvHH7393Nthq8hvfVzJWM4P.nEsrgWcCpafUEmMf4-1741311829-1.0.1.1-vlWjGtxnqKPbGf8iUvv8OKzDCHiLdxaf6_N84FTBwqs",md: "tHwX3daOBY2GXoAiZvsSnpb6BK0NAWaHGHGJh5d80RM-1741311829-1.2.1.1-9WOkNRIwqbkHLOZ9O_qFchj4HurDe.RsdZSPWjfqsy3VP4BaZBv8LdnQNDwcS8vl_g7slgbKZAnqiNwFxjzadjeW3mh2iIVcE6UExU7Gh8R937VfesaYHJxZmTg1Mulf0gujdujEkPcjPv0DxdEQ33Z1cx5.rcCGOIkM1WUFSjZA5ghKSSME5q.TDzdf_Rdi1.JfEKfaqMWTAtAJf_k0GngpcSGU8Jsn1k9gVA9Tzqo_.7cM7txGCNCCclhi55.4T2MUZ.plQ70UQmp2w0ov.E5TkLHNWQ2JMs7BKa4Cx1z4ER8QGA0AgRXOBIgCA2LY2Ied2JBazbdwB_Y_TzFH4PJ3ySgLYgwLeDT5NLbyEWu9lpjf3VvdKP2dWeJKeM1ZJ0wpE_2RAOU3N3JNr_2Z3t.0x17rXqEtuLFg1XpFVGMubrZiITgplYqCN5x2r.DGrjsIwv5iYMoqIRqEiReQ0P7Yvky5jdLz9aoz9OkH8547q.zvdmyh4l3Ucm3eJgrp2d9SWHppUN6j2O1Hdsw8fG7qOIohOTD_wh6IoFnT3LxxZG8SwTqi4nFDA6jj3noxzpohMuj27b60IRmwNdxZosL.D5njBTbv2fuTdOG2F8Ywd0bRXIlLUxViopOw.NH.kZu_MqMNJuu47ltW.19U_FwB0gPb.Jaj9Y_rjC0gUTv2L7C3E24EZU_ZQvsoi6yJ2_fBkTprG6ETRimZXMU.e7ne.iMJaRf2WMVwWvVKhk7cjgTko9sIySWTx3w3ec8T6mB_N1V9RWs2CivK4vEI9YMOoZwvgx96iRvhnQUSD4TQ83mW0tYL7hzsVduaD2bldGHR_Ni319YzTay0IK7I0CfusldTE3YTs3ugKI8WPNIlKwcWsLnzCzsusRwonT5mcA0wG5TzPJC4vcvuT9MiVZLUG.IDcbkH4PbUKN1g5c2XhCPpC6_lPAtnvSVDs5z7dbwd8IaGz8LadWdAh8egnDa0tK5w2.fk5MTCdF21ez_kRArx2a.YGkOhpbeLIMCTiJwWKOJCNzIbRrfY4fCLQBwj2NM5E9dtedXZKD._7DUeZKhHOLE5PimJtuX.1QSmjhFVI9n_V1zkAcH76VQgqOzkOB7bLQjeotgfLoBR7oGQrf.2fo0KPgAMh7B_q_A.IgDN5umDw2GTM1FYZrsaKOKRInRCz3e698cUVMJVGxkFJGyaEFCBWpiFLRWVg.8QPvUDKBrahckFR7C.TaHsUORYI03mtiHWxhVMcAykTonO5bnGEsuWgEIp8FsQW9_Z",mdrd: "KFL40XHZtuaFcWPf2wETuV1FgbEt.OkJyqRssnvrqiE-1741311829-1.2.1.1-StYN1.j2HgU25cR7t7iqiC.mn782CFPBSR2DWEKuPvG0h2u3bqj2VfTZdn6emzZq2q18XDUPyoj1DT_A2uzZB_Z_OJ7goH8wZIYBpCN6q.J8W_r3Rbq2KBuUv8awqN0JAOmhersRpWvuZjtFhklutcvW2aE99cp8b9VFCKJKu.MPEUD2nn5_6K64Q7apPlOiWHn3Pq_DKCu8wXb0aSir4mwuINss6U5Itex16RPfnIKmnNE82xpUjaQxQDFvPHRxa_rxQAou7ZcyyGchwwp6JbsqDyp22BkNRvhQLUU3H8xdPO7zsgVFSZZaiejYz8KZlUtcqcve4gmcL.6UYCgVY6mAdyYtQVa2a41j6pVbdYTmG7fCPHuCGUDzpjoF5MZqIB0k4Prg6NIMwn_TtsqkBYWtPfsMWbm_ValMya8B56zTqbAneTsEikCn2RUMIklfYmenrvUnBL3Fbq9Ke7iaauelhyhb65n.1jArPZvcXhJyHEvNjZaNHA0EdnAs9AzCb0aa1pPq0fI0xEjq5.aV.sTiTc3hRJv2R5X4W7Wisx1j_SZnses7i2PIrDokGLY3Z.zT6amKeUDTtz2TcwYSFwFQYVTmm4rObEY_eWUsJyvp4RI3xMqKFDFMLzeWVFGfuxa4dFRsUrT1TevImBXvSHLvJKXFFhf5zeSBs0I4RdQWhL.vtgP59wOExYwBpPDqugT7s3d6HzvqJsjBph_k09s8NG1v.4aQMRpxgZ3uWHAjgvLv.YHJcjakFaLdjqSBXfUeNDqybz9urEwRdznKUGDa7PtjQY5Ke_InioYOI854lacYxs6kQbplWn4EtI3bMX4b.ermAIW0XgMuJz6QegdntkxDZLCptGOrvHawuqb.qAwCZ2.tkxQpev4aQrD1j7HA.IdXU3ihc3_gxGRgVxn_wYCPz415bVx0Lbyb3yA8lhKeepk52FyPw7nomjDOGdCmF6QeU9JS_EODaX8OlSRdIajNRHk9QGbKuHIgpGxo1ZJVgEBLWwyjyEGq7VDmF0S.QZfVpud1GY2Xbr56rSRp54w8UU18qiMIJPv42xHuQ2qLp1dt40FpZId0fQxIYwnJ30JvmJW0wh3MQUn_knUHevEnKuriZGM6lJ6XeFrQVSMibtHf8HEh3pMKI.xM_GGTZcwfzP4CFbGfVZbgnZQ5invXejB2e6SPNuxvkw2ciSH2NA_CTuL8xhgCfHOYU5haDUWp8shuvl8Jr2rzh5.rPg_lqflB7lp_8O6_kSSelzV_CmvsRvIzcMnyTT_T0M10N06JCN3FnuftBdHKeo2svn6ZnexQLLhXX7AorlQABlWhQZkTqRB8XNmZGVtytvyXt4SMGTAH2CHFz2j3K2WEPwSxFtXVrIZGGC_GQDOXyWKK9a9.A6jfOkFZNXYng.4l4Lehnvkgu3C_LppVOemdMkIdO1IC.SLcWHOXqkS4XIvsYFlckvZIAWbdaMlFw143bUlw0iFmfM__HIVTtdlbbFChK8OOwhXOblmqiMCANm2HynwEqGQ95HxKddrAJ8TS7XO7NzQV8nzKnjaXdjbYnRGUCJaId7XxN.Lc4OKjcDLIY4JMAQ63B32H25RdN8WIXd5NJnFf86QYlgZLAwf5xClcz6lgfH45l3CSDDXZOQ0jEoDv.bzki1BUKnqDTJZK1eWQtSf4UYQRlUUVYXjtED19hKRrsxvk5U1zENOwlqOYrfd2WtWzf.FZCDxNBgpUaOaXQeyp1msZEeJizge.aysKibMWW3_lk.0d_x9kqR7yWwClWTfExlRAjE8Stsb3LUapAWCstZYl837MYNa0QlnFBqxaA48YNliX6y9LfZRco3XyYSJI5o7if6Rjn6bUApHthT4ib4uhafSoNcOJYm2gjAGPaeBtlWHghO493SEIxMK9acmvTbZBAoFP6sHmGVae98JiU0s9We3KiunfVnQC8qC3u4t0q.LHDL4vo1blfc5ew8d7Y4aF0u5X"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=91c6677449dd3f69';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/search?q=hydrological%20regime&__cf_chl_rt_tk=eFpvHH7393Nthq8hvfVzJWM4P.nEsrgWcCpafUEmMf4-1741311829-1.0.1.1-vlWjGtxnqKPbGf8iUvv8OKzDCHiLdxaf6_N84FTBwqs" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>