邵明,杨国林,寇瑞雄,安旭伟

• 1:兰州交通大学测绘与地理信息学院
• 2:地理国情监测技术应用国家地方联合工程研究中心
• 3:甘肃省地理国情监测工程实验室

摘要(Abstract)：

为了更好地从空间尺度显示石羊河流域水储量的变化情况,该文利用2003年1月至2014年12月GRACE RL06重力场数据计算其陆地水储量变化,对数据进行预处理以及去相关滤波和300 km高斯平滑处理,并利用流域内4个气象站的降水平均数据与GRACE、GLDAS的结果进行对比分析。结果表明,GRACE反演结果与GLDAS水文模型变化趋势基本一致,时间上呈现明显季节性变化,研究区水储量整体呈现0.93 mm/a的上升趋势,期间水储量变化波动较大主要与季节性降水有关。

关键词(KeyWords)： 重力场恢复与气候实验;石羊河;陆地水储量变化;GLDAS水文模型

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目（41764001）;; 兰州交通大学优秀平台支持项目（201806）

作者(Author): 邵明,杨国林,寇瑞雄,安旭伟

DOI: 10.16251/j.cnki.1009-2307.2021.01.007

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