A simple two-layer model for computing turbulent fluxes with radiometric surface temperature

Author

Norman, J.M. ; Kustas, W.P. ; Humes, K.S.

Author_Institution

Dept. of Soil Sci., Wisconsin Univ., Madison, WI, USA

Volume

1

fYear

1994

fDate

8-12 Aug 1994

Firstpage

581

Abstract

A simple two-layer model for estimating surface energy fluxes is presented and predictions compared with field measurements. Required model inputs are directional brightness temperature and its angle of view, fractional vegetation cover, vegetation height and approximate leaf size, wind speed, air temperature, and net radiation. Comparisons with several hundred measurements at two sites produced root-mean-square differences between predictions and measurements of 30 to 50 W m^-2 for flux components

Keywords

atmospheric boundary layer; atmospheric techniques; meteorology; remote sensing; IR infrared method; boundary layer; directional brightness temperature; energy transfer; fractional vegetation cover; heat transfer; land surface atmosphere interaction; measurement technique; meteorology; radiometric surface temperature; remote sensing; surface energy flux; surface layer; turbulent flux; two-layer model; wind speed; Aerodynamics; Electrical resistance measurement; Equations; Radiometry; Resistance heating; Soil measurements; Surface resistance; Temperature; Velocity measurement; Wind speed;

fLanguage

English

Publisher

ieee

Conference_Titel

Geoscience and Remote Sensing Symposium, 1994. IGARSS '94. Surface and Atmospheric Remote Sensing: Technologies, Data Analysis and Interpretation., International

Conference_Location

Pasadena, CA

Print_ISBN

0-7803-1497-2

Type

conf

DOI

10.1109/IGARSS.1994.399189

Filename

399189