Infrared land surface remote sensing using high spectral resolution aircraft observations》.pdfVIP

Advances in Space Research 33 (2004) 1114–1119 /locate/asr Infrared land surface remote sensing using high spectral resolution aircraft observations R.O. Knuteson a,*, F.A. Best a, D.H. DeSlover a, B.J. Osborne a, H.E. Revercomb a, W.L. Smith Sr. b a University of Wisconsin-Madison Space Science and Engineering Center, 1225 W. Dayton, Madison, WI 53706, USA b NASA Langley Research Center, 100 NASA Road, Hampton, VA 23681-2199, USA Received 6 January 2003; received in revised form 31 March 2003; accepted 31 March 2003 Abstract A method for emissivity–temperature separation using high spectral resolution infrared observations is presented. An additional constraint is available with high spectral resolution observations that allow for the determination of an effective surface temperature and effective surface emissivity spectrum appropriate for advanced atmospheric temperature and water vapor sounders. The method is illustrated using observations from a high altitude aircraft over a ground truth site in North Central Oklahoma, USA. 2003 COSPAR. Published by Elsevier Ltd. All rights reserved. Keywords: AERI; AIRS; Emissivity; ER-2; Infrared; Land; Remote sensing; S-HIS; Temperature 1. Introduction absorption lines of water vapor and carbon dioxide and thereby provide a number of transparent ‘‘microwin- Weather satellites have shown positive impact on dows’’ that require a smaller atmospheric correction forecast models for da