Satellite-only latent heat flux estimation

Keywords

AIRS, Bowen ratio, Eddy covariance, FLUXNET, Latent heat flux, Satellite sounder, Tower

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

Published

Standard

Satellite-only latent heat flux estimation. / Mallick, Kaniska ; Jarvis, Andrew.
Remote Sensing and Hydrology. 2012. p. 115-119 (IAHS-AISH Publication; Vol. 352).

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

Harvard

Mallick, K & Jarvis, A 2012, Satellite-only latent heat flux estimation. in Remote Sensing and Hydrology. IAHS-AISH Publication, vol. 352, pp. 115-119, Remote Sensing and Hydrology Symposium, Jackson Hole, WY, United States, 27/09/10.

APA

Mallick, K., & Jarvis, A. (2012). Satellite-only latent heat flux estimation. In Remote Sensing and Hydrology (pp. 115-119). (IAHS-AISH Publication; Vol. 352).

Vancouver

Mallick K , Jarvis A. Satellite-only latent heat flux estimation. In Remote Sensing and Hydrology. 2012. p. 115-119. (IAHS-AISH Publication).

Author

Mallick, Kaniska ; Jarvis, Andrew. / Satellite-only latent heat flux estimation. Remote Sensing and Hydrology. 2012. pp. 115-119 (IAHS-AISH Publication).

Bibtex

@inproceedings{94344c6e7bd94dd3bf614c7affbbe3f7,

title = "Satellite-only latent heat flux estimation",

abstract = "Here we present a new method for recovering global latent heat flux (λE) using satellite sounding in conjunction with visible and infra-red geophysical products, from the AIRS (Atmospheric Infrared Sounder) and MODIS (Moderate Resolution Imaging Spectroradiometer) platforms at 1° × 1° spatial domain. This method focuses on specifying the day-night net radiation, which is then used in a dynamic surface energy balance framework with day-night land surface temperature to directly retrieve net available energy. The evaporative fraction was estimated from the water vapour and temperature profile information in a Bowen ratio framework. Evaluation of available energy and latent heat flux against 30 terrestrial flux tower sites revealed a pooled root mean square deviation (RMSD) of 98, 72 and 79 Wm{"}2 for net radiation, net available energy, and latent heat flux between satellite and tower, respectively. The results show particular promise of this approach for latent heat flux retrieval under warm, moist conditions, but weaknesses under arid or semi-arid conditions subject to high radiative loads.",

keywords = "AIRS, Bowen ratio, Eddy covariance, FLUXNET, Latent heat flux, Satellite sounder, Tower",

author = "Kaniska Mallick and Andrew Jarvis",

year = "2012",

language = "English",

isbn = "9781907161278",

series = "IAHS-AISH Publication",

pages = "115--119",

booktitle = "Remote Sensing and Hydrology",

note = "Remote Sensing and Hydrology Symposium ; Conference date: 27-09-2010 Through 30-09-2010",

}

RIS

TY - GEN

T1 - Satellite-only latent heat flux estimation

AU - Mallick, Kaniska

AU - Jarvis, Andrew

PY - 2012

Y1 - 2012

N2 - Here we present a new method for recovering global latent heat flux (λE) using satellite sounding in conjunction with visible and infra-red geophysical products, from the AIRS (Atmospheric Infrared Sounder) and MODIS (Moderate Resolution Imaging Spectroradiometer) platforms at 1° × 1° spatial domain. This method focuses on specifying the day-night net radiation, which is then used in a dynamic surface energy balance framework with day-night land surface temperature to directly retrieve net available energy. The evaporative fraction was estimated from the water vapour and temperature profile information in a Bowen ratio framework. Evaluation of available energy and latent heat flux against 30 terrestrial flux tower sites revealed a pooled root mean square deviation (RMSD) of 98, 72 and 79 Wm"2 for net radiation, net available energy, and latent heat flux between satellite and tower, respectively. The results show particular promise of this approach for latent heat flux retrieval under warm, moist conditions, but weaknesses under arid or semi-arid conditions subject to high radiative loads.

AB - Here we present a new method for recovering global latent heat flux (λE) using satellite sounding in conjunction with visible and infra-red geophysical products, from the AIRS (Atmospheric Infrared Sounder) and MODIS (Moderate Resolution Imaging Spectroradiometer) platforms at 1° × 1° spatial domain. This method focuses on specifying the day-night net radiation, which is then used in a dynamic surface energy balance framework with day-night land surface temperature to directly retrieve net available energy. The evaporative fraction was estimated from the water vapour and temperature profile information in a Bowen ratio framework. Evaluation of available energy and latent heat flux against 30 terrestrial flux tower sites revealed a pooled root mean square deviation (RMSD) of 98, 72 and 79 Wm"2 for net radiation, net available energy, and latent heat flux between satellite and tower, respectively. The results show particular promise of this approach for latent heat flux retrieval under warm, moist conditions, but weaknesses under arid or semi-arid conditions subject to high radiative loads.

KW - AIRS

KW - Bowen ratio

KW - Eddy covariance

KW - FLUXNET

KW - Latent heat flux

KW - Satellite sounder

KW - Tower

UR - http://www.scopus.com/inward/record.url?scp=84883335267&partnerID=8YFLogxK

M3 - Conference contribution/Paper

AN - SCOPUS:84883335267

SN - 9781907161278

T3 - IAHS-AISH Publication

SP - 115

EP - 119

BT - Remote Sensing and Hydrology

T2 - Remote Sensing and Hydrology Symposium

Y2 - 27 September 2010 through 30 September 2010

ER -

Research

Keywords