ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
Archive > Volume 21 Issue 11 > 1995,21(11):11-16. DOI:10.7519/j.issn.1000-0526.1995.11.003 Prev Next
The Research on Calculation of Land Surface Temperature on the Ordos Plateau and the Surroundings
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Abstract:
The land surface temperature of the Ordos Plateau and the surrounding areas is calculated with NOAA-AVHRR data by means of a split-window method. In this method,the surface emissivity is computed first from the brightness temperature of Channels 3,4 and 5,then in conjunction with the emissivity and the brightness temperature of Channels 4 and 5 the land surface temperature is derived. The comparison between the computed results and the observations of local stations at about the same time indicates that the difference is about 80% within 1℃ in the nighttime,but only 67% in the daytime. The maximum difference is - 3.8 C. As a macro-monitoring measure, this method is acceptable in estimating land surface temperature.
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