气候变化下车尔臣河径流响应及生态需水研究

  • 打印
  • 收藏
收藏成功


打开文本图片集

关键词:气候变化;非参数检验;持续性分析;相关分析;生态需水;车尔臣河

中图分类号:P333.1;P467;X143 文献标志码:A

文章编号:1672-2043(2025)12-3211-11 doi:10.11654/jaes.2024-0885

Study on runoff response and ecological water demand under climate change in the Qarqan River basin

WEIGuanghui1,²,HONG Liangpeng²,WANG Luyang²,LIUFeng

(1.SchoolofWaterCoservancyandCivilEnginering,XinjiangAgiclturalUniversityUrumqi3Oo,China;Bureaofinjang TarimRiverBasinManagement,Korla841OOO,China)

Abstract:Basedontherunof,temperature,andprecipitationdataoftheQarqanRiverinXinjiangoverthepast6Oyears,thisstudy systematicallyexplorestheunofresponsecharacteristicsuderclimatechangeandtheguaranteedegreeofcologicalwaterdemandin thebasinbyusingcaicalteortcaleodssuchsoaramericst/Salyis,ndwaveletalsisultssoatr the past6Oyears,runoffandtemperaturehaveshownasignificantincreasingtrend,whilethechangeinprecipitationhasben insignificant;theabruptchangeyearsofrunoffandtemperatureare2oOand1997respectivelyandtheabruptchangepointof precipitation cannot be determined; the Hurst indices ( H) of runoff, temperature,and precipitation are 0.751 4,0.961 9,and 0.732 3 respectively,allofhicharegreaterthanO.5,indicatingthatrunoffandtemperaturewillontinuetoincreaseintefuture,and precipiationwillalsotiuetosucrtainanges;offailyascangelesof1,nd4years,tmperatureinlys changecyclesof7,11nd25yearsandpripiationmanlyashngecyclesof6and28yars;Spamacorelatioaalyisshows thatthecorrelationetwnrunofandmperatre,sellasetweeunndpreipiation,isoselyelated;telogicalwater demand of the basin is 3.58×108m3 ,and after deducting the production water demand,the ecological water demand is fully guaranteed under the condition of multi-year average.

KeyWords:climatechange;non-parametric testing;continuityanalysis;relatedanalysis; ecological waterdemand; QarqanRiver

水资源兼具重要自然资源与经济资源双重属性,是支撑经济社会发展的重要基础。(剩余15550字)

monitor
客服机器人