Grey Relational Analysis of the Effect of Climate Factors on the Satellite Remote Sensing Normalized Difference Vegetation Index (NDVI) in Mt. Huangzui area
Date Issued
2005-07-31
Date
2005-07-31
Author(s)
DOI
932313B002095
Abstract
Eight sets of SPOT satellite imageries, covering nine years from 1994 to 2002 and are
equivalent to eight months, were used to monitor the seasonal changes in the normalized
difference vegetation index (NDVI) of the Mt. Huangzui area in the Yangminshan
National Park at northern Taiwan. The grey system theory was applied to analyze the
contribution degree of the five climate factors on the satellite remote sensing NDVI of
four major vegetation such as Axonopus affinis、Miscanthus foridulus、Eurya crenatifolia
and broad leaf vegetation. The grey relational analysis showed that the contribution
degree of climate factors to satellite NDVI is: monthly mean temperature＞daily
cumulative irradiance＞daily insolation percentage＞monthly mean relative humidity＞
monthly cumulative precipitation. This suggested that light and temperature play more
important role in the satellite NDVI than water in the Mt. Huangzui area.
Subjects
Climate factor
Grey relational analysis
Normalized difference vegetation
index
index
NDVI
Satellite remote sensing
Mt. Huangzui area
Publisher
臺北市：國立臺灣大學農藝學系暨研究所
Type
report
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