The terrestrial NPP simulations in China since last glacial maximum

被引：8
|
作者：
He, Y [1 ]
Dan, L
Dong, WJ
Ji, JJ
Qin, DH
机构：
[1] China Metrol Adm, Natl Climate Ctr, Beijing 100081, Peoples R China
[2] Chinese Acad Sci, Inst Atmospher Phys, Key Lab Reg Climate Environm Temp E Asia, Beijing 100029, Peoples R China
[3] Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
来源：
CHINESE SCIENCE BULLETIN | 2005年 / 50卷 / 18期
基金：
中国国家自然科学基金;
关键词：
Last Glacial Maximum; mid-holocene; NPP; East-Asian monsoon; climate change;
D O I：
10.1360/04wd0071
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Based on Atmosphere-Vegetation Interaction Model (AVIM), the magnitude and spatial distribution of terrestrial net primary productivity (NPP) in China is simulated during three different geological eras, Last Glacial Maximum (LGM), Mid-Holocene (MH) and the present. The simulation shows that the glacial-interglacial variation of East Asian summer monsoon in China is the key factor affecting the NPP change. During the three eras, mean NPPs are 208 g/m(2.)a, 409 g/m(2.)a, and 355 g/m(2.)a. The total NPPs are 2.05 Pg/a, 3.89 Pg/a and 3.33 Pg/a, respectively. The terrestrial NPP in China during warm-humid climate is larger than that during cold-arid eras, and the correlation analysis between NPP and climate factors suggests that temperature is the primary factor affecting the terrestrial NPP during 21 kaBP (LGM), and for 6 kaBP (MH) and the present the primary factor is precipitation.
引用
收藏
页码：2074 / 2079
页数：6
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