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Updated: Dec 17, 2025

Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
Analysis of land use change and its influence on runoff in the Puhe River Basin
1College of Water Conservancy, Shenyang Agricultural University, Shenyang, 110866, China. zhangjingbluesky@syau.edu.cn.
Abstract:
This article aims to evaluate the impact of urbanization on land use changes and the effects of land use changes on catchment's runoff. The maximum likelihood method was used to interpret the seven remote sensing images of the Puhe River Basin from 1985 to 2015. The Mann-Kendall test, sliding T test, and double accumulation method are adopted to analyze the impact of land use changes on watershed runoff. The results show that with the development of urbanization, a large amount of cultivated land was replaced by urban construction land. By 2015, the construction land area accounted for 72.16% of the total area. The year 1995 was a turning point in the urbanization development. The change of land use type has substantial influence on runoff and results in the increase of runoff coefficient. Human activities become the main factor affecting runoff change in the Puhe River Basin.
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