Studying groundwater and surface water interactions using airborne remote sensing in Heihe River basin, northwest China

被引:0
|
作者
Liu, Chuankun [1 ,2 ]
Liu, Jie [1 ,2 ]
Hu, Yue [1 ,2 ]
Zheng, Chunmiao [1 ,2 ,3 ]
机构
[1] Peking Univ, Inst Water Sci, Beijing 100871, Peoples R China
[2] Peking Univ, Coll Engn, Beijing 100871, Peoples R China
[3] Univ Alabama, Dept Geol Sci, Tuscaloosa, AL 35487 USA
关键词
Heihe River Basin; airborne thermal infrared remote sensing; groundwater discharge; hot spot analysis; STREAMS; HEAT;
D O I
暂无
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Managing surface water and groundwater as a unified system is important for water resource exploitation and aquatic ecosystem conservation. The unified approach to water management needs accurate characterization of surface water and groundwater interactions. Temperature is a natural tracer for identifying surface water and groundwater interactions, and the use of remote sensing techniques facilitates basin-scale temperature measurement. This study focuses on the Heihe River basin, the second largest inland river basin in the arid and semi-arid northwest of China where surface water and groundwater undergoes dynamic exchanges. The spatially continuous river-surface temperature of the midstream section of the Heihe River was obtained by using an airborne pushbroom hyperspectral thermal sensor system. By using the hot spot analysis toolkit in the ArcGIS software, abnormally cold water zones were identified as indicators of the spatial pattern of groundwater discharge to the river.
引用
收藏
页码:361 / 365
页数:5
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