Comparison of sensible heat flux estimates using AVHRR with scintillometer measurements over semi-arid grassland in northwest Mexico

C.J. Watts; A. Chehbouni; J.C. Rodriguez; Y.H. Kerr; O.K. Hartogensis; H.A.R. de Bruin

doi:10.1016/S0168-1923(00)00188-X

Comparison of sensible heat flux estimates using AVHRR with scintillometer measurements over semi-arid grassland in northwest Mexico

C.J. Watts, A. Chehbouni, J.C. Rodriguez, Y.H. Kerr, O.K. Hartogensis, H.A.R. de Bruin

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Abstract

The problems associated with the validation of satellite-derived estimates of the surface fluxes are discussed and the possibility of using the large aperture scintillometer is investigated. Simple models are described to derive surface temperature and sensible heat flux from the advanced very high resolution radiometer (AVHRR). Data were collected over an extensive site of semi-arid grassland in northwest Mexico during the summer of 1997 as part of the semi-arid land-surface-atmosphere (SALSA) program. Comparison of surface temperature derived from AVHRR with that derived from a ground-based infrared thermometer showed an RMSE of around 2oC, while estimates of sensible heat flux derived from AVHRR compared well with measurements using either eddy correlation or a large aperture scintillometer.

Original language	English
Pages (from-to)	np 03:C1
Journal	Agricultural and Forest Meteorology
Volume	2000
DOIs	https://doi.org/10.1016/S0168-1923(00)00188-X
Publication status	Published - 2000

Keywords

AVHRR
Satellite
Scintillometer
Sensible heat flux
Surface temperature

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10.1016/S0168-1923(00)00188-X

Cite this

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title = "Comparison of sensible heat flux estimates using AVHRR with scintillometer measurements over semi-arid grassland in northwest Mexico",

abstract = "The problems associated with the validation of satellite-derived estimates of the surface fluxes are discussed and the possibility of using the large aperture scintillometer is investigated. Simple models are described to derive surface temperature and sensible heat flux from the advanced very high resolution radiometer (AVHRR). Data were collected over an extensive site of semi-arid grassland in northwest Mexico during the summer of 1997 as part of the semi-arid land-surface-atmosphere (SALSA) program. Comparison of surface temperature derived from AVHRR with that derived from a ground-based infrared thermometer showed an RMSE of around 2oC, while estimates of sensible heat flux derived from AVHRR compared well with measurements using either eddy correlation or a large aperture scintillometer.",

keywords = "AVHRR, Satellite, Scintillometer, Sensible heat flux, Surface temperature",

author = "C.J. Watts and A. Chehbouni and J.C. Rodriguez and Y.H. Kerr and O.K. Hartogensis and {de Bruin}, H.A.R.",

year = "2000",

doi = "10.1016/S0168-1923(00)00188-X",

language = "English",

volume = "2000",

pages = "np 03:C1",

journal = "Agricultural and Forest Meteorology",

issn = "0168-1923",

publisher = "Elsevier",

}

TY - JOUR

T1 - Comparison of sensible heat flux estimates using AVHRR with scintillometer measurements over semi-arid grassland in northwest Mexico

AU - Watts, C.J.

AU - Chehbouni, A.

AU - Rodriguez, J.C.

AU - Kerr, Y.H.

AU - Hartogensis, O.K.

AU - de Bruin, H.A.R.

PY - 2000

Y1 - 2000

N2 - The problems associated with the validation of satellite-derived estimates of the surface fluxes are discussed and the possibility of using the large aperture scintillometer is investigated. Simple models are described to derive surface temperature and sensible heat flux from the advanced very high resolution radiometer (AVHRR). Data were collected over an extensive site of semi-arid grassland in northwest Mexico during the summer of 1997 as part of the semi-arid land-surface-atmosphere (SALSA) program. Comparison of surface temperature derived from AVHRR with that derived from a ground-based infrared thermometer showed an RMSE of around 2oC, while estimates of sensible heat flux derived from AVHRR compared well with measurements using either eddy correlation or a large aperture scintillometer.

AB - The problems associated with the validation of satellite-derived estimates of the surface fluxes are discussed and the possibility of using the large aperture scintillometer is investigated. Simple models are described to derive surface temperature and sensible heat flux from the advanced very high resolution radiometer (AVHRR). Data were collected over an extensive site of semi-arid grassland in northwest Mexico during the summer of 1997 as part of the semi-arid land-surface-atmosphere (SALSA) program. Comparison of surface temperature derived from AVHRR with that derived from a ground-based infrared thermometer showed an RMSE of around 2oC, while estimates of sensible heat flux derived from AVHRR compared well with measurements using either eddy correlation or a large aperture scintillometer.

KW - AVHRR

KW - Satellite

KW - Scintillometer

KW - Sensible heat flux

KW - Surface temperature

U2 - 10.1016/S0168-1923(00)00188-X

DO - 10.1016/S0168-1923(00)00188-X

M3 - Article

VL - 2000

SP - np 03:C1

JO - Agricultural and Forest Meteorology

JF - Agricultural and Forest Meteorology

SN - 0168-1923

ER -

Comparison of sensible heat flux estimates using AVHRR with scintillometer measurements over semi-arid grassland in northwest Mexico

Abstract

Keywords

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