摘要
青海省是黄河发育的源头,黄河青海流域的水土流失状况将直接影响到黄河流域全域的生态环境质量。基于修正的通用土壤流失方程(RUSLE),运用ArcGIS、ENVI等遥感处理平台工具,对黄河青海流域土壤侵蚀状况进行估算。结果表明,2000年、2010年和2018年黄河青海流域平均侵蚀模数分别为66.73 t·hm^(−2)·a^(−1)、38.08 t·hm^(−2)·a^(−1)和27.72 t·hm^(−2)·a^(−1),侵蚀总量分别为2155.29×10^(6)t、1229.93×10^(6)t和895.08×10^(6)t。研究区2000—2018年土壤侵蚀状况有较大改善。
The Yellow River originated in Qinghai Province.Soil and water loss in the Yellow River Basin of Qinghai Province will directly affect the ecological environment quality of the entire Yellow River Ba⁃sin.Based on the Revised Universal Soil Loss Equation(RUSLE)and remote sensing image processing platforms such as ArcGIS and ENVI,the soil erosion status of the Yellow River and Qinghai Basin was estimated.The results show that the average erosion modulus of the Yellow River and Qinghai Basin in 2000,2010 and 2018 was 66.73 t·hm^(−2)·a^(−1),38.08 t·hm^(−2)·a^(−1) and 27.72 t·hm^(−2)·a^(−1),the total erosion is 2155.29×10^(6)t,1229.93×10^(6)t and 895.08×10^(6)t respectively.The soil erosion status in the study area improved greatly from 2000 to 2018.
作者
汤剑秋
李宛莹
TANG Jianqiu;LI Wanying(School of Land Engineering,Chang′an University,Xi′an 710054,China;Key Laboratory of Degraded and Unused Land Consolidation Engineering,the Ministry of Land and Resources,Xi′an 710054,China;Shaanxi Key Laboratory of Land Consolidation,Xi′an 710054,China;Shanxi Provincial Land Engineering Construc-tion Group,Xi′an 710054,China)
出处
《河南科技》
2022年第8期117-122,共6页
Henan Science and Technology
