Title :
The response of terrestrial ecosystem in Eastern Asia region to climate change
Author :
Yu, Deyong ; Liu, Yupeng ; Xun, Bin
Author_Institution :
State Key Lab. of Earth Surface Processes & Resource Ecology, Beijing Normal Univ., Beijing, China
Abstract :
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°E-170°E, 10°N-70°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.
Keywords :
atmospheric boundary layer; atmospheric precipitation; atmospheric temperature; climatology; ecology; vegetation; AD 1982 to 1999; CASA NPP ecosystem model; Eastern Asia region; air temperature; atmospheric circulation factor; climate change; net primary productivity; precipitation; solar radiation data; terrestrial ecosystem; vegetation; Atmospheric modeling; Biological system modeling; Ecosystems; Meteorology; Productivity; Temperature; Ecosystems; biosphere; environmental factors; global warming; vegetation mapping;
Conference_Titel :
Geoscience and Remote Sensing Symposium (IGARSS), 2012 IEEE International
Conference_Location :
Munich
Print_ISBN :
978-1-4673-1160-1
Electronic_ISBN :
2153-6996
DOI :
10.1109/IGARSS.2012.6351346
