ESTIMATION OF GLOBAL NET PRIMARY PRODUCTIVITY FROM 1981 TO 2018 WITH REMOTE SENSING DATA

被引：6

作者：

Sun, Rui ^{[1
,2
]}

Wang, Juanmin ^{[1
,2
,3
]}

Xiao, Zhiqiang ^{[1
,2
]}

Zhu, Anran ^{[1
,2
]}

Wang, Mengjia ^{[1
,2
]}

Yu, Tao ^{[1
,2
]}

机构：

[1] Beijing Normal Univ, State Key Lab Remote Sensing Sci, Beijing 100875, Peoples R China

[2] Beijing Normal Univ, Fac Geog Sci, Beijing Engn Res Ctr Global Land Remote Sensing P, Beijing 100875, Peoples R China

[3] Meteorol Bur Nanhai Dist, Foshan 528200, Peoples R China

来源：

IGARSS 2020 - 2020 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM | 2020年

基金：

国家重点研发计划;

关键词：

carbon cycle; climate change; net primary productivity; GLASS; GROSS PRIMARY PRODUCTION; SATELLITE; MODEL; NPP;

D O I：

10.1109/IGARSS39084.2020.9323555

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

The long time series vegetation productivity products are of great significance to the research of increasing CO2 and global changes. In this paper, global net primary productivity (NPP) in 1981-2018 was firstly estimated with Global LAnd Surface Satellite (GLASS) data , ERA-Interim meteorological data and the other variables by using the improved Multi-source data Synergized Quantitative (MuSyQ) NPP algorithm. The average global NPP is 61.0 PgC/yr in 1981-2018, which is in great agreement with the other similar products. The global NPP has shown a significant increase trend, with an annual growth rate of 0.10 PgC/yr over the past 38 years. NPP in the northern hemisphere and southern hemisphere account for 62.0% and 38.0% of the global respectively, both show an increasing trend. The overall increasing trends in NPP are also consistent among most of the biomes.

引用

页码：4331 / 4334

页数：4

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