基于GLDAS和DTW方法的冶木河流域水文情势变化研究

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关键词:水文情势;GLDAS;MK-P;DTW;相似度;冶木河
中图分类号:P333 文献标志码:A doi: 10.3969/j.issn.1000-1379.2026.03.008
引用格式:张凤燃,李舒,李宁波,等.基于GLDAS 和DTW方法的冶木河流域水文情势变化研究[J].人民黄河,2026,48(3):52-57.
Study on the Change of Hydrological Conditions in the Yemu River Basin Utilizing GLDAS and DTW Methods
ZHANG Fengran 1,2 , LI Shu 1,2 , LI Ningbo 1,2 , QI Qingsong1,2, ZHANG Xiangyu 1,2 , LI Qiangkun 1,2 ,BAI Le 1,2 (1.Yellow River Institute of Hydraulic Research,YRCC, Zhengzhou 45o0O3,China;
2.HenanKeyLaboratoryofEcologicalEnvironmentProtectionandRestorationof YelowRiverBasin,Zhengzhou450o,China)
Abstract:ToelucidatetheimpactsofhumanactitisontedrologicalegieofteYeuRive,tispaperemploedaualaddaily runoffdatafroeYelguanHydrolicStationbtween198and2.ByutilngMa-Kedall-ett(MK-P)hangepontst,dicatorsof HydrologicAlteration(IHA)andDynamicTime Warping(DTW),thestudyexaminedthevariationofIHAandsimilariesof hydrologicalpatesduringabaselineperiodandasbsequtperiodifuencdbyteajoratioalstrategyofcologicalprottioand high-qualityevelontdioallysachlodeaondigtsestilwateroei fromtheGlobalLandDataAsimilation System(GLDAS)andtherunofintheYemuRiver.Teanalysisrevealsthat:a)Thechangepoint forrunoffintheYemu Riverandthatforterrestrial waterstoragebothoccured in2018.b)Therunoffduringtheimpactperiodis 29.79% (2 higherthantatofteefereepridc)Tesilitftsffvssofhdrologicalieidicatosetwettps are0.025,O.,.Ospecielydcaigatfreyofetrsileuraifoflo hasdiminished.d)Thewaterconservationmeasuresiplementedduringtheimpactperiodhavedepletedthebaseflow,leadingtoaoticeablereductioninbaselow.e)ThecoelationbetweenteesialwaterstoraeandunoffintheYemuiverasiiselativelyweak.
Key words: hydrological regime; GLDAS;MK-P; DTW; similarity;Yemu River
0 引言
黄河流域生态保护和高质量发展重大国家战略要求流域经济发展要“以水定城、以水定地、以水定人、以水定产”,就是要将水资源开发利用限定在水资源承载力范围内,突出水资源的最大刚性约束作用[1]甘肃省作为黄河上游流域重要的水源涵养区和水土保持区,近几年通过实施黄河干流和重要支流生态修复项目,径流量显著增加。(剩余7884字)