Retrieval of land surface temperature from combined AVHRR data

Details Retrieval of land surface temperature from combined AVHRR data Retrieval of land surface temperature from combined AVHRR data

Aug 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002angeo..20.1257s&link_type=abstract

Annales Geophysicae, vol. 20, Issue 8, pp.1257-1259

Physics

1

Scientific paper

Accurate retrievals of land surface temperature (LST) from space are of high interest for studies of land surface processes. Here, an operationally applicable method to retrieve LST from NOAA/AVHRR data is proposed, which combines a split-window technique (SWT) for atmospheric correction with a Normalised Difference Vegetation Index threshold method for the retrieval of land surface emmisivity. Preliminary results of LST retrievals with this "combined method" are in good agreement with ground truth measurements for bare soil and wheat crops. The results are also compared with results from the same SWT but using emmisivities from laboratory measurements.

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