The comparison of vegetation index and surface temperature composites for urban heat-island analysis

Relationships between urban-rural differences in minimum (in situ) air temperature (T min ), normalized difference vegetation index (NDVI), and apparent surface radiant temperature (T sfc ) were examined for 28 cities in the U.S.A. from 28 June through to 8 August 1991. Composites based on NDVI and...

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Bibliographic Details
Published in:International journal of remote sensing 1996-10, Vol.17 (15), p.3071-3076
Main Authors: GALLO, K. P., TARPLEY, J. D.
Format: Article
Language:English
Subjects:
Earth, ocean, space
Exact sciences and technology
External geophysics
Meteorology
Other topics in atmospheric geophysics
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Summary:Relationships between urban-rural differences in minimum (in situ) air temperature (T min ), normalized difference vegetation index (NDVI), and apparent surface radiant temperature (T sfc ) were examined for 28 cities in the U.S.A. from 28 June through to 8 August 1991. Composites based on NDVI and thermal-IR data, and consistency in urban-rural differences in NDVI and T sfc were examined. The urban-rural differences in T sfc , whether based on an NDVI composite or a composite based on thermal-IR data, were not as consistent as the urban-rural differences in NDVI. The composite process utilized, based on NDVI or thermal-IR data, did not appear to contribute to the generally low correlation between urban-rural differences in T min and T sfc observed in previous studies.
ISSN:0143-1161
1366-5901
DOI:10.1080/01431169608949128