Analysis of spatiotemporal variation in the snow cover in Western Hindukush-Himalaya region

被引：12

作者：

Azizi, Abdul Haseeb ^{[1
,3
]}

Akhtar, Fazlullah ^{[2
]}

机构：

[1] Nihon Univ, Grad Sch Engn, Dept Civil Engn, Koriyama, Fukushima, Japan

[2] Univ Bonn, Ctr Dev Res ZEF, Bonn, Germany

[3] CTI Engn Int Co Ltd, Tokyo, Japan

来源：

GEOCARTO INTERNATIONAL | 2022年 / 37卷 / 22期

关键词：

Snow cover extent; Afghanistan; climate change; Indus basin; Kabul river basin; RIVER-BASIN; CLIMATE-CHANGE; INDUS BASIN; MODIS; DYNAMICS; STREAMFLOW; VARIABILITY; PRECIPITATION; SIMULATION; PRODUCTS;

D O I：

10.1080/10106049.2021.1939442

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Moderate Resolution Imaging Spectroradiometer (MODIS) products were used in this study which covers a period of 2000-2014. Comparison of the SCA derived from MODIS and Landsat NDSI showed a significant correlation, the resultant coefficient of determination (R-2) was 0.85. For analyzing the trend in the SCA, the Mann-Kendall test was applied; the results show an increasing non-significant trend in the mean annual SCA with a Sen's slope value of +16.99 (km(2)/year), and a significant increasing trend in the winter SCA was identified. The annual mean SCA was 8.92 km(2) and 564 km(2) for elevation ranges of 5001-5694 m and 4001-4500 m respectively. The spatial extent of snow cover was maximum in 70 degrees-78.3 degrees slope class and minimum in 30 degrees-40 degrees slope class. The results highlight the MODIS snow cover products' capability to assess the spatiotemporal dynamics of snow cover in complex mountainous watersheds.

引用

页码：6602 / 6624

页数：23

共 66 条

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