2000-2017年河龙区间输沙量锐减归因分析

高海东,刘晗,贾莲莲,庞国伟,王杰

Attribution analysis of precipitous decrease of sediment loads in the Hekou-Longmen section of Yellow River since 2000

GAO Haidong,LIU Han,JIA Lianlian,PANG Guowei,WANG Jie

表3 河龙区间主要支流NDVI与径流量、输沙量以及含沙量相关系数

Tab. 3 Correlation analysis of NDVI between runoff, sediment load, and sediment concentration in the HL section

流域(水文站) NDVI与Q NDVI与S NDVI与Cs 皇甫川(皇甫) 0.116 -0.215 -0.657* 孤山川(高石崖) -0.015 -0.626* -0.897** 窟野河(温家川) 0.390 -0.645* -0.783** 秃尾河(高家川) -0.537* -0.454 -0.439 佳芦河(申家湾) 0.402 0.161 -0.166 无定河(白家川) 0.556* -0.404 -0.479 清涧河(延川) -0.045 -0.280 -0.448 延河(甘谷驿) 0.112 -0.332 -0.504