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2017 , Vol. 32 >Issue 3: 461 - 473

DOI: https://doi.org/10.11849/zrzyxb.20160233

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基于GRACE卫星时变重力场模型的黄河中游地区水储量变化研究

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  • 北京师范大学水科学研究院,北京 100875
李爱华（1989- ）,女,硕士,主要从事水文与水资源和城市污水处理回用研究。 *通信作者简介：王红瑞（1963- ）,男,教授,博士生导师。E-mail:henrywang@bnu.edu.cn

收稿日期: 2016-03-08

  修回日期: 2016-10-14

  网络出版日期: 2017-03-20

基金资助

国家科技支撑计划项目（2012BAB02B04）

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Water Storage Changes in the Middle Reaches of the Yellow River Basin Based on GRACE Time Variable Gravitation Model

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  • College of Water Sciences, Beijing Normal University, Beijing 100875, China

Received date: 2016-03-08

  Revised date: 2016-10-14

  Online published: 2017-03-20

Supported by

Foundation item: National Hi-Tech Research and Development Program of China“863”Project, No. 2012BAB02B04.

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摘要

论文以水循环发生巨大改变的黄河中游地区作为研究对象,利用GRACE卫星时变重力场模型以及黄河中游地区的水文数据,通过水循环系统的概化、子流域划分以及Mann-Kendall非参数检验等方法,对黄河中游地区以及各个子流域水储量变化进行研究。主要结论如下：近10 a,黄河中游地区水储量以年均3.79 mm等效水深的速度增加,而引起水储量增加的主要原因是该地区径流损失量减少,年均减少量超过2.93 mm等效水深;黄河中游地区水储量的空间变化差异性较大,水储量增加最大的区域是龙门—三门峡区间,年平均增加4.59 mm等效水深,而增加量较小的是三门峡—花园口区间,年平均增加2.71 mm等效水深,水储量增加居中的则是河口—龙门区间,年平均增加3.47 mm等效水深。

关键词： 黄河中游; 水储量; GRACE时变重力场; 水量平衡

本文引用格式

李爱华, 崔胜玉, 王红瑞, 于忱 . 基于GRACE卫星时变重力场模型的黄河中游地区水储量变化研究[J]. 自然资源学报, 2017 , 32(3) : 461 -473 . DOI: 10.11849/zrzyxb.20160233

Abstract

This study targets the middle reaches of the Yellow River Basin where the huge changes have been taking place in the water cycle process. By constructing GRACE satellite gravitational field model, the water storage changes in the middle reaches of the Yellow River Basin were inverted and the result was validated. The result derived from GRACE satellite and that from water balance model show the same temporal trend of water storage change, the square of the correlation coefficient being 0.82. The amount of water storage over the middle reaches of the Yellow River Basin had an increasing trend from 2003 to 2012, and the average annual increasing amount was water storage change equivalent water depth. The increase of water storage was caused by the decrease in runoff loss in the middle reaches of the Yellow River Basin, that the average annual decreasing amount was 2.93 mm equivalent water depth. There was obvious spatial variation of the water storage change. The most obvious increasing of water storage is at Longmen-Sanmenxia section, where the average annual increasing amount was 4.59 mm equivalent water depth. The second is at the Hekou-Longmen section, where the average annual increasing amount was 3.47 mm equivalent water depth. And the last one is at Sanmenxia-Huayuankou section, where the average annual increasing amount was 2.71 mm equivalent water depth.

Key words： the middle of the Yellow River Basin; water storage; GRACE time variable gravitation model; water balance

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