[an error occurred while processing this directive] 世界地质 2020, 39(3) 700-705 DOI:   10.3969/j.issn.1004-5589.2020.03.021  ISSN: 1004-5589 CN: 22-1111/P
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本文关键词相关文章
GRACE-FO
卫星重力
GLDAS
陆地水储量
本文作者相关文章
易琳
王柯
钱金菊
王冠
洪丹仪
PubMed
Article by Yi L
Article by Wang K
Article by Qian J
Article by Wang G
Article by Hong D
基于GRACE-FO重力卫星数据反演西南地区的水储量变化
易琳, 王柯, 钱金菊, 王冠, 洪丹仪
广东电网有限责任公司电力科学研究院, 广州 510062
摘要： 为掌握中国西南地区近一年内的水资源变化情况，采用GRACE-FO重力卫星数据及GLDAS水文模型数据研究了该区域内陆地水、地表水及地下水储量的时空变化，并结合降水数据进行了分析。结果表明：①陆地水和地表水均呈现出明显的季节性变化，其中在夏季及秋季呈现上升的趋势，而在春季和冬季呈现出下降的趋势；②西南地区的陆地水和地下水在2018年6月至2019年9月期间整体呈现出下降的趋势，二者的年变化趋势分别为（-1.87±0.82）cm/a和（-2.15±0.96）cm/a；③降水是陆地水和地表水季节性变化的主要原因，且是2019年云南干旱的主要原因。
关键词： GRACE-FO   卫星重力   GLDAS   陆地水储量  
Inversion of water reserves change in Southwest China based on GRACE-FO gravity satellite data
YI Lin, WANG Ke, QIAN Jin-ju, WANG Guan, HONG Dan-yi
Electric Power Research Institute of Guangdong Power Grid Corporation, Guangzhou 510062, China
Abstract: In order to monitor the changes of water resources in Southwest China in the past year, the GRACE-FO gravity satellite data and GLDAS hydrological model data were used to study the spatial and temporal changes of land water, surface water and groundwater reserves in the region, in combination with precipitation data. The results indicate that ① land water and surface water show obvious seasonal changes, which appear as upward trend in summer and autumn but downward trend in spring and winter;② the land water and groundwater in Southwest China declined from June 2018 to September 2019,and their annual trends are (-1.87±0.82) cm/a and (-2.15±0.96) cm/a, respectively;③ precipitation is the main reason of seasonal change of land water and surface water, and also the main cause of Yunnan drought in 2019.
Keywords: GRACE-FO   satellite gravity   GLDAS   land water reserves  
收稿日期 2019-12-16 修回日期 2020-03-25 网络版发布日期  
DOI: 10.3969/j.issn.1004-5589.2020.03.021
基金项目:

南方电网重点科技项目（GDKJXM20173016）

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参考文献：
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