Paper Info
Title
Vegetation Change During 1990-2000 And Its Response To Climate Change In The Northern Slope Of Tianshan Mountains
Abstract
We have investigated the vegetation change based on the soil-adjusted vegetation index (SAVI) and its response to the climate change in the northern slope of the Tianshan Mountains, Xinjiang, Northwest China during 1990-2000. The SAVIs are derived from Landsat TM images between July 1990 to July 2000. 13 types of land cover are determined and their vector data are established based on visual on interpretation and TM images by using ARC/Info software. In order to study the vegetation change in detail, we have divided the 13 types of land cover into two categories: (1) The vegetation-land cover (VLC) and (2) The non-vegetation land cover (NVLC) and the study area has been divided into 5 geographical sub-regions. The SAVI values of the different VLC types in the different sub-regions are calculated by applying ARC/Info and ERDAS Image software. We have put forward the integrated vegetation index (IVI) based on the SAVI values of the different VLC types and their area composition, and calculated the IVIs in the different sub ions. The results show that the IVI significantly increased by 5.76% between 1990 and 2000. There were the different increases in the different geographical sub-regions during the period. These reveal that the vegetation coverage and the biomass increased in 2000, compared with that in 1990, which responded to the annual precipitation increase during 1991-2000.
Year
DOI
Venue
2004
null
IGARSS 2004: IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM PROCEEDINGS, VOLS 1-7: SCIENCE FOR SOCIETY: EXPLORING AND MANAGING A CHANGING PLANET
Keywords
Field
DocType
vegetation change, vegetation-land cover type, SAVI, integrated vegetation index, precipitation change, Northern slope of Tianshan Mountains
Geographic information system,Vegetation,Climate change,Computer science,Remote sensing,Visual interpretation,Normalized Difference Vegetation Index,Enhanced vegetation index,Land cover,Precipitation
Conference
Volume
Issue
ISSN
5
null
2153-6996
Citations 
PageRank 
References 
0
0.34
0
Authors
2
Name
Order
Citations
PageRank
Geping Luo1123.49
Chen Xi214.11