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="120"></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: 'non-interactive',cRay: '913562ab88284679',cH: 'nY3d4KWs05zcS1WDNt2CisOv43iyqoNwfWHGafpn9xM-1739791198-1.2.1.1-snSVkv3T3GYm9PoDZ0xaDna8.oZNyIxrlaR.4n.mY9QlTQCBtbzNAIW8ujwmqgox',cUPMDTk: "\/abstracts\/search?q=International%20River%20Basin%20Districts&__cf_chl_tk=IOJc5jKwFelcNeO_Q_fc4AjzIIu.FlwN76IYElQC4_Y-1739791198-1.0.1.1-fjtcMlit3qr7E_XgiC2VNw3iCY.ZN8prM6evi8HVkEc",cFPWv: 'b',cITimeS: '1739791198',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=International%20River%20Basin%20Districts&__cf_chl_f_tk=IOJc5jKwFelcNeO_Q_fc4AjzIIu.FlwN76IYElQC4_Y-1739791198-1.0.1.1-fjtcMlit3qr7E_XgiC2VNw3iCY.ZN8prM6evi8HVkEc",md: "Cw_syBIlE3tm8N4vsAytQObDBFyAYvfTxh0Jmge3hLc-1739791198-1.2.1.1-eW.qXh12D824y8ayBYORrWK5mYjsXtcPqnFteYJvMKTgzhZBHlktMZZq265gpKgt0sfi7bABCSHOC_WREHc.BKKYamokGiNoU5xLTJlkqauRvcC_j.ygtSUyx4_ZBrKmWb.CFTzacZI0R4k9s8GuT6PvpRIY2jk_7.hCM.cOHY5civFbGj62g1LCa7tcei0V4mDbYLrK2NQ2BSHBqrDl.IdlK2WAN1yJ6JGAbUw63iDgQYCdQZHSujdW925SqyhWFuT9GzqjZNRAKxGFtWFJot6byDvPE2MDzjQEBuGuLuS2CXvTUMm4CCKMIIEBXdAbm9pK4zwlm4tMvN47sDGWuV0_jsX_PIDBLzUbjzS5KIVGUhj7oT9.NLvaTSsplNeT1080dQi0k7rlA373RRsbiJY0sNVYc_fIwn.Q0dwytvu.HNIZaCIk4LYdufNQte.2n5otRjUGB_yCu1eFFZ6FycoezZ8y47RHY3hZVkJP653GFaiJl.oi57QOc4W3g11d9uL4UuJ4pxblRgcIdMWJp2y19CmRzF7lgfQfsCrRurfrNUyEnD8WvbTALw7bJnPdoQlSYgVdmaRRQXo0TiMHBWmbLSOYCW10nzVzjdQiZBxYYHJpkVZBWjsvApvpcfesiTYfK34SNkph5JkBJDWh4W56HgNGd2Wv41G1.2C3TgV.Tz_qCHIOS5fRNC16_44D0XUeYmgMbr.ikw1S_29mR_yeAt9QUbpvEhsz.yMDp4sacUeIAc7I3rjnLQR00LIRwV5dK3LQZRmZC8.raI6NhAOdlpUB3U8vkU3uoIPPPSw5fiLoTDIkmuZJsUsXA9a6bdtSKwZ1xjEGUEV02J4KarXpyilSvyzFzu1rc12iqdqh7.oDIwTmGDOdXwOTsPbi9CqBr8.IP5iXJJtpVpvfoeEBwzv1vs8ChixmXwg5rU6X7o0OPcm4NkN5cvGLDimCJ1RVYSKXFrEJR35ElZ9fqdMaVtljNFJX0RYrc2iJNUBmOL_Ri4AIbue1dOUWKfsxbKVM__6SqYtVt7kpWvqCC78AWzh_fk9BC8vj4H.zR4l2m5zQLbo7r1hT.Js7Qf61Zlezwbk9.lWxJFDN4_WDW2Ccrscwr_6J3MabNBKWbj2EErSPnytm0NwYY6Abgx9YOi5c5iKM4M711qcXw6d0SV0VmAImTZXF7LGR7eXAcJVg_4qfvjfl_U7RZ8dg2bLh1S53THjkVUCtis.MnhcWK27zKmurbOv9VgxUcjXIxFsxtC8Xvf9HG2o3XnJ8gY8ig2IojF.qYk.VuwW4qoUPBGE3YOgkvE5GFhD2gual1U_ilEiuf1gqYie87xtm7P9TUOfKyUup68jHNpqU1PDiJjEOyUjwQuu_PrLFiSnS9Zxd5O_JxVlo27rK8GU1fJnypGvzqZZIoZYOOr1bYsaxRRZ3iFlzsuSyGco9kJ7foKcbWihrqSTmLHzoOwLr_sbS2Q1C3W.DkiwZeStHCuPSwivpZRewOd3sVWyN9fws.U.8uOMWAGNfSE3W3qY5Zn86lrVvID6TnVKtvve0R1Xl.fsUK.KV8BEUUAkxnZEmNM7IjxW3C8guGf5vkcb.SuKArFfYBmXMYoQd1u5AoU4dh58VH8iwX7ZUdw7t3PCxBw6NVsRJb3ATdrvxGaZcE87zW8JIBkd7mmoXz4KSwnFQm7UabbkdZ.b7hBNfxwyYHIsw6OTdqyJDgWk_tRwv2AFxXW6Oyy0gA4gKvgOhK3MuJ1dbTWgui2R4WMnLShmN38tQyc2IaG8SqRCBZ1dea94_QmquGhGa70D_2cMa.33iz3klG6JTI3nFLKY27VcMD9baZ39hIWnec0FC.BrXBUggg7xTl6ElNGC.WNAsxZT4B5KFsHHR2UCgBzqKktr4siRh4QD.zL03W50CwkmBoDCCHWzF7tR_Tw0GrxNFeikMSI2.rkAp4NUzwjO2X4OfjKxyVIxd4vlP64SKkHeN9iWgReVXS4kNOFT2NyaRigeXSmVgZnyqwDRljGtns2qDr_M",mdrd: "ZL1JOuYsAn0WJ4alcvvQ6GlAr6v1HZNtVE7uuVGY5BI-1739791198-1.2.1.1-CL3V8S50NVwUHNWqsb4TjOCG6W_7zER2YlDnsFNi3rK7s4NPfLh49NqiREPaxLafT_SJ5rjFL9XE5PvcfS3r7nWm7QYZ_mwQ0uYnwmou784TsV5kVuAr0QdEi5mjsiX_Q01cnliAnFM9PhkxAWLIlvwlLv.74l8C11iY0o.oa5BTqZEpCYAO9_7khWG1tFbL1u5sKK5PW.CsCUMJlfuAk24yUJwh7KOn1G2DetqMJ.b2q0kV9SQ_dP1BTMboI2GHWBj6XTJW50zyA1mENYAPg5HIWCRGlDlJoHtcJ4EJAembM_Of_uaqZLHb2VHEg4ME5PTmYbQrl2N5j_QKkbJvsyQb6RrOogyZxWP8Pr9zFDtNis5BgD4cWMQlWFKEkicCFkvpONPnwg4K5JrS2UJ0QhBurB.XK4GKWmCJMPGgilC7sC_ZIlLMq5oxX6ioEYiKy66wBKFSu1_p.iENMhyWAc1yZnxro12voUR3J5ohD1evkVaV28WFvFWFNgQQN.8WY_TBFs9bPuXgohsFX7vt6Ld6If4NmW0g2IVNtTa.Pzf.bb4TA4BRwyGeXaCO4CcTffbOgFM5DWAHuJRk2c9lZzj49.JZgHH0Y7.gBjxzqlcCLD8GkVapPic1OszZPzntyFUF04eLd6Mg4I.87GNPnMhxRl2Rop4HMNxnbt6L37Yn4a880IyLc9Sg18.th5_VJ1c4PNFyr3Rm1QgDNflRoND5KjMSUDlMbxH9vXRencFdlDZDmgohhYfKI0t_Hug7vlzZNUP8TFXdM4ISlXFW2oF4h6z6IRg2YR0fckA_TPwVdAblSGhBAlnh9HOlGbiZXbtklQ8JxE2jj.iP4D7kqeHKS06I.nW5oS_eDNZk45OBDRCBKuX3TQN4ShyCfH6eJhYPZDUKFfk5sXENV.5Tvy214VksOE5xr2Z2XvSS0VpV609Ur5h7oJoboG3TmvsPt6mUTnJdKN0sDtRnCWYsa1nlm7LATcbB0D0uRl5Uz8SBolOnAXD2BGOp5f6AIqgnpbu6.Rxjpq8GCk4WP2479HhC6UmzRWmUl3yxBsGFN3tp8XMv6Qh4EnyIe5ydIwe8gcHsCTzVtebpA3baZzORLLiUTQkNjGBm8qy41EZ7lAeRgN6A0oWWLwu0mS7gFBNMQ6deR8n04Pu25ATlqi2ggBsZUb6BHuSI1OSIA2tiB91YF_Cb0Z.N2O8XA94B6gnRpYs35iVUntVho68QwjNueCvmmq2NL74ltQ5EtL4KsJUOaBKdckpinjVOiNYo01LaqHF_oxLir39L2rqN.qn8indEdSFP8hm1urmi1rhLMfrHBpzcPHMkzTh9f9rwewGjOoRz2Rd_NFP6xUYRwlUDrttU9JKvFavxP5LeUYQpNshpDQTWv.veWEaemXMpaM5MKdi9GNw8FCCs0lS54cPOHRa.LwC.gBch_deYlcnDEs8lgT5YA1Ib3HzDW0lGvMUwv8kdUzy8eCNim.Nop5yN5z060.T2whdtxaEbQT_FQUxXm8Y3TPj8BoTU7YEoe3sxG0VZggHa3q6xG8G1I59UH5XDPe7ZHNBfwuxAa62pXpIfMqwD4qnNSaeSg4ngjL2TMQ38I4oJZn.V.BcTOLQ0a38GId0z7_BIBdudCmhyRtbFyRIbAoeqME5jA2cQLP4ANBtnWSxbrc4b001y2rC.7xM2OBGiJV9zb6fMrXe4KX283hgk97KbtdMJD.FSLu0LtCHLmmjce2M7bFOz9xL6u_Qp0BMmhmF4PdmEEeS8NftEQoQjLWsom8uyPyrzLWaliJP2r94UM3.Suz_UgZhhNVEMMzNvyrtcO9GhLhMqx.WA_mV7waGusnbiZtu.ZXjzTSkpJbKhg.lotFaw0l1kM4djQTlRQVTRPOqc7jSRyH5DFRN_4BJXad8icXgSHMJYFS3xaEt8UFkqn2zFlHYhu0HxEBqMn_ZiXL_QJ940yDABvxknEAJ4ZrE8RTY9n9ykMa30SNCRLrdjqWpz7EOMAw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=913562ab88284679';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, "\/abstracts\/search?q=International%20River%20Basin%20Districts&__cf_chl_rt_tk=IOJc5jKwFelcNeO_Q_fc4AjzIIu.FlwN76IYElQC4_Y-1739791198-1.0.1.1-fjtcMlit3qr7E_XgiC2VNw3iCY.ZN8prM6evi8HVkEc" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>