Effects of climate change on soil moisture over China from 1960-2006

被引：3
|
作者：
Zhu, Qiuan [1 ]
Jiang, Hong [1 ]
Liu, Jinxun [2 ]
机构：
[1] Nanjing Univ, Int Inst Earth Syst Sci, Nanjing 210008, Peoples R China
[2] SGT Inc, Geol Survey EROS Ctr, Sioux Falls, SD USA
来源：
2009 INTERNATIONAL CONFERENCE ON ENVIRONMENTAL SCIENCE AND INFORMATION APPLICATION TECHNOLOGY,VOL I, PROCEEDINGS | 2009年
关键词：
climate change; soil moisture; volumn water content; VWC; China; CARBON BALANCE; MODEL;
D O I：
10.1109/ESIAT.2009.24
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
Soil moisture is an important variable in the climate system and it has sensitive impact on the global climate. Obviously it is one of essential components in the climate change study. The Integrated Biosphere Simulator (IBIS) is used to evaluate the spatial and temporal patterns of soil moisture across China under the climate change conditions for the period 1960-2006. Results show that the model performed better in warm season than in cold season. Mean errors (ME) are within 10% for all the months and root mean squared errors (RMSE) are within 10% except winter season. The model captured the spatial variability higher than 50% in warm seasons. Trend analysis based on the Mann-Kendall method indicated that soil moisture in most area of China is decreased especially in the northern China. The areas with significant increasing trends in soil moisture mainly locate at northwestern China and small areas in southeastern China and eastern Tibet plateau.
引用
收藏
页码：140 / +
页数：2
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