Regression Analysis about Urban Heat Island Temperature and Vegetation Index on Complex Terrain

Author

Dan, Shangming ; Xu, Huixi ; Gao, Yuan ; Dan, Bo

Author_Institution

Sichuan Province Agrimeteorological Center, Meteorol. Bur. of Sichuan Province, Chengdu, China

fYear

2009

fDate

19-20 Dec. 2009

Firstpage

1

Lastpage

4

Abstract

Extracted black-body temperature (TBB) and normalized difference vegetation index (NDVI) according to Landsat/TM image which was obtained on May 1, 2008, and then converted TBB into potential temperature based on digital elevation model (DEM). Respectively select ten sampling areas in urban built-up area, urban-rural transition zone and suburbs. Count potential temperature and NDVI in each sampling area and construct seven mathematical models of regression analysis. This research thinks that the quadratic polynomial model is the best. There is a negative correlation between potential temperature and vegetation index.Results show that for regions with high NDVI, temperature is low. Research results have direction and guidance for plan and construction of green land in Chongqing City.

Keywords

regression analysis; terrain mapping; vegetation mapping; Landsat/TM image; black-body temperature; complex terrain; digital elevation model; mathematical model; normalized difference vegetation index; quadratic polynomial model; regression analysis; urban heat island temperature; Digital elevation models; Image converters; Image sampling; Land surface temperature; Mathematical model; Regression analysis; Remote sensing; Satellites; Thermal pollution; Vegetation mapping;

fLanguage

English

Publisher

ieee

Conference_Titel

Information Engineering and Computer Science, 2009. ICIECS 2009. International Conference on

Conference_Location

Wuhan

Print_ISBN

978-1-4244-4994-1

Type

conf

DOI

10.1109/ICIECS.2009.5363117

Filename

5363117