Response of the grassland in Hulun Buir Steppe of northeast China to global warming based on NOAA/AVHRR NDVI

Xiuqi Fang; Weihong Yu; Yuling Ma

doi:10.1117/12.465978

14 July 2003 Response of the grassland in Hulun Buir Steppe of northeast China to global warming based on NOAA/AVHRR NDVI

Xiuqi Fang, Weihong Yu, Yuling Ma

Author Affiliations +

Proceedings Volume 4890, Ecosystems Dynamics, Ecosystem-Society Interactions, and Remote Sensing Applications for Semi-Arid and Arid Land; (2003) https://doi.org/10.1117/12.465978
Event: Third International Asia-Pacific Environmental Remote Sensing Remote Sensing of the Atmosphere, Ocean, Environment, and Space, 2002, Hangzhou, China

Abstract

Global warming during the last century is less doubled internationally. The warming trend in the past 20 years is especially distinctive which makes the phenology and productivity of vegetation change remarkably. Based on NOAA/AVHRR data, combined with the observed meteorological data, a case study on the response of the grassland in the Hulun Buir Steppe of Northeast China to global warming in the past 20 years is made in this paper. It is found that, (1) The temperature in the Hulun Buir Steppe has increased remarkably than that in the global during the last 18 years; (2) The 4 selected areas averaged NDVI in growing season (from April to October) has obviously increased by 2.2% in the past 18 years; (3) The obvious increase of NDVI happened around 1988, when the mean NDVI during 1988~1999 is 7.8% more than that during 1982~1987. (4) Response of the Hulun Buir Steppe to the globe warming is remarkable. The NDVI and the temperature, especially the temperature in spring, have sensitive positive correlativity.

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Xiuqi Fang, Weihong Yu, and Yuling Ma "Response of the grassland in Hulun Buir Steppe of northeast China to global warming based on NOAA/AVHRR NDVI", Proc. SPIE 4890, Ecosystems Dynamics, Ecosystem-Society Interactions, and Remote Sensing Applications for Semi-Arid and Arid Land, (14 July 2003); https://doi.org/10.1117/12.465978

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KEYWORDS

Vegetation

Climate change

Temperature metrology

Climatology

Environmental sensing

Data archive systems

Data centers

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