伊洛河流域水源涵养能力时空变化及驱动因素分析

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关键词：水源涵养能力；InVEST 模型；地理探测器；伊洛河流域中图分类号：TV213．4 文献标志码：A doi：10．3969 ／ j．issn．1000－1379．2025．06．011引用格式：，等．伊洛河流域水源涵养能力时空变化及驱动因素分析［J］．人民黄河，2025，47（6）：69－75．

Analysis of Spatial⁃Temporal Changes and Driving Factors of Water Conservation Capacity in the Yiluo River Basin

ZHANG Shuqi1， ZUO Qiting1，2， BA Yinji3， ZHANG Zhizhuo1， ZHANG Lekai1 （1．School of Water Conservancy and Transportation， Zhengzhou University， Zhengzhou 450001， China； 2．Yellow River Institute for Ecological Protection ＆ Regional Coordinated Development， Zhengzhou University， Zhengzhou 450001， China； 3．Yantai Center of Coastal Zone Geological Survey， China Geological Survey， Yantai 264000， China） Abstract： In order to master the spatial⁃temporal changes and its driving factors of water conservation capacity in the Yiluo River basin， this paper adopted the InVEST model and water conservation calculation methods to quantitatively assess the water conservation capacity in the Yi⁃ luo River basin from 2005 to 2020． It analyzed the spatial⁃temporal variation characteristics and quantitatively examined the driving factors of water conservation function by using geographic detectors． The results show that a） from 2005 to 2020， the water conservation capacity in the Yiluo River basin shows a trend of initial decrease followed by an increase． The highest water conservation capacity is observed in 2005， while the lowest is in 2015． b） The southern and western mountainous areas exhibit stronger water conservation capacity， whereas the cen⁃ tral， northern and eastern regions are relatively weaker． c） During the study period， the ranking of water conservation capacity across differ⁃ ent land use types from strongest to weakest is grassland， forest， shrubland， construction land， farmland， unused land and water bodies， with densely vegetated areas demonstrating stronger water conservation capacity． d） Precipitation is identified as the primary factor influencing changes in water conservation capacity in the Yiluo River basin， and the interaction between precipitation and land use has the most signifi⁃ cant impact on water conservation capacity．

Key words： water conservation capacity； InVEST model； geographic detector； Yiluo River Basin

0 引言

水源涵养是生态系统重要调节功能之一，对维持生态平衡和支撑社会经济可持续发展具有重要作用［1］。（剩余11770字）