THE RESPONSE OF TERRESTRIAL ECOSYSTEM IN EASTERN ASIA REGION TO CLIMATE CHANGE

被引：0
|
作者：
Yu, Deyong [1 ]
Liu, Yupeng [1 ]
Xun, Bin [1 ]
机构：
[1] Beijing Normal Univ, State Key Lab Earth Surface Proc & Resource Ecol, Beijing 100875, Peoples R China
来源：
2012 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2012年
关键词：
Ecosystems; biosphere; environmental factors; vegetation mapping; global warming; NET PRIMARY PRODUCTIVITY;
D O I：
10.1109/IGARSS.2012.6351346
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Net primary productivity (NPP) is an important indicator to the response of vegetation to climate change. Based on CASA-NPP ecosystem model driven by remote sensed data, air temperature, precipitation and solar radiation data, this paper estimated NPP for the terrestrial ecosystem in East Asia region (70 degrees E-170 degrees E, 10 degrees N-70 degrees N) and incorporated with atmospheric circulation factors to study the response of annual NPP to climate change during 1982-1999. The response signal of annual NPP to temperature is strong and the leading four NPP-temperature paired modes explain 93.58% of the NPP-temperature covariance. The area with interpretation ratio of the nine atmospheric circulation factors to NPP deviation over 50% accounts for 72.17% of the study area.
引用
收藏
页码：1143 / 1146
页数：4
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