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Insights Into the Aerodynamic Versus Radiometric Surface Temperature Debate in Thermal-Based Evaporation Modeling

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Insights Into the Aerodynamic Versus Radiometric Surface Temperature Debate in Thermal-Based Evaporation Modeling. / Mallick, Kaniska; Baldocchi, Dennis; Jarvis, Andrew et al.
In: Geophysical Research Letters, Vol. 49, No. 15, e2021GL097568, 16.08.2022.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Mallick, K, Baldocchi, D, Jarvis, A, Hu, T, Trebs, I, Sulis, M, Bhattarai, N, Bossung, C, Eid, Y, Cleverly, J, Beringer, J, Woodgate, W, Silberstein, R, Hinko-Najera, N, Meyer, WS, Ghent, D, Szantoi, Z, Boulet, G & Kustas, WP 2022, 'Insights Into the Aerodynamic Versus Radiometric Surface Temperature Debate in Thermal-Based Evaporation Modeling', Geophysical Research Letters, vol. 49, no. 15, e2021GL097568. https://doi.org/10.1029/2021GL097568

APA

Mallick, K., Baldocchi, D., Jarvis, A., Hu, T., Trebs, I., Sulis, M., Bhattarai, N., Bossung, C., Eid, Y., Cleverly, J., Beringer, J., Woodgate, W., Silberstein, R., Hinko-Najera, N., Meyer, W. S., Ghent, D., Szantoi, Z., Boulet, G., & Kustas, W. P. (2022). Insights Into the Aerodynamic Versus Radiometric Surface Temperature Debate in Thermal-Based Evaporation Modeling. Geophysical Research Letters, 49(15), Article e2021GL097568. https://doi.org/10.1029/2021GL097568

Vancouver

Mallick K, Baldocchi D, Jarvis A, Hu T, Trebs I, Sulis M et al. Insights Into the Aerodynamic Versus Radiometric Surface Temperature Debate in Thermal-Based Evaporation Modeling. Geophysical Research Letters. 2022 Aug 16;49(15):e2021GL097568. Epub 2022 Aug 8. doi: 10.1029/2021GL097568

Author

Mallick, Kaniska ; Baldocchi, Dennis ; Jarvis, Andrew et al. / Insights Into the Aerodynamic Versus Radiometric Surface Temperature Debate in Thermal-Based Evaporation Modeling. In: Geophysical Research Letters. 2022 ; Vol. 49, No. 15.

Bibtex

@article{274b78cc7b77402fa0e18928c4bcac1b,
title = "Insights Into the Aerodynamic Versus Radiometric Surface Temperature Debate in Thermal-Based Evaporation Modeling",
abstract = "Global evaporation monitoring from Earth observation thermal infrared satellite missions is historically challenged due to the unavailability of any direct measurements of aerodynamic temperature. State-of-the-art one-source evaporation models use remotely sensed radiometric surface temperature as a substitute for the aerodynamic temperature and apply empirical corrections to accommodate for their inequality. This introduces substantial uncertainty in operational drought mapping over complex landscapes. By employing a non-parametric model, we show that evaporation can be directly retrieved from thermal satellite data without the need of any empirical correction. Independent evaluation of evaporation in a broad spectrum of biome and aridity yielded statistically significant results when compared with eddy covariance observations. While our simplified model provides a new perspective to advance spatio-temporal evaporation mapping from any thermal remote sensing mission, the direct retrieval of aerodynamic temperature also generates the highly required insight on the critical role of biophysical interactions in global evaporation research.",
keywords = "aerodynamic temperature, canopy conductance, evaporation, thermal remote sensing, VPD, water stress",
author = "Kaniska Mallick and Dennis Baldocchi and Andrew Jarvis and Tian Hu and Ivonne Trebs and Mauro Sulis and Nishan Bhattarai and Christian Bossung and Yomna Eid and Jamie Cleverly and Jason Beringer and William Woodgate and Richard Silberstein and Nina Hinko-Najera and Meyer, {Wayne S.} and Darren Ghent and Zoltan Szantoi and Gilles Boulet and Kustas, {William P.}",
note = "Publisher Copyright: {\textcopyright} 2022 The Authors.",
year = "2022",
month = aug,
day = "16",
doi = "10.1029/2021GL097568",
language = "English",
volume = "49",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "John Wiley & Sons, Ltd",
number = "15",

}

RIS

TY - JOUR

T1 - Insights Into the Aerodynamic Versus Radiometric Surface Temperature Debate in Thermal-Based Evaporation Modeling

AU - Mallick, Kaniska

AU - Baldocchi, Dennis

AU - Jarvis, Andrew

AU - Hu, Tian

AU - Trebs, Ivonne

AU - Sulis, Mauro

AU - Bhattarai, Nishan

AU - Bossung, Christian

AU - Eid, Yomna

AU - Cleverly, Jamie

AU - Beringer, Jason

AU - Woodgate, William

AU - Silberstein, Richard

AU - Hinko-Najera, Nina

AU - Meyer, Wayne S.

AU - Ghent, Darren

AU - Szantoi, Zoltan

AU - Boulet, Gilles

AU - Kustas, William P.

N1 - Publisher Copyright: © 2022 The Authors.

PY - 2022/8/16

Y1 - 2022/8/16

N2 - Global evaporation monitoring from Earth observation thermal infrared satellite missions is historically challenged due to the unavailability of any direct measurements of aerodynamic temperature. State-of-the-art one-source evaporation models use remotely sensed radiometric surface temperature as a substitute for the aerodynamic temperature and apply empirical corrections to accommodate for their inequality. This introduces substantial uncertainty in operational drought mapping over complex landscapes. By employing a non-parametric model, we show that evaporation can be directly retrieved from thermal satellite data without the need of any empirical correction. Independent evaluation of evaporation in a broad spectrum of biome and aridity yielded statistically significant results when compared with eddy covariance observations. While our simplified model provides a new perspective to advance spatio-temporal evaporation mapping from any thermal remote sensing mission, the direct retrieval of aerodynamic temperature also generates the highly required insight on the critical role of biophysical interactions in global evaporation research.

AB - Global evaporation monitoring from Earth observation thermal infrared satellite missions is historically challenged due to the unavailability of any direct measurements of aerodynamic temperature. State-of-the-art one-source evaporation models use remotely sensed radiometric surface temperature as a substitute for the aerodynamic temperature and apply empirical corrections to accommodate for their inequality. This introduces substantial uncertainty in operational drought mapping over complex landscapes. By employing a non-parametric model, we show that evaporation can be directly retrieved from thermal satellite data without the need of any empirical correction. Independent evaluation of evaporation in a broad spectrum of biome and aridity yielded statistically significant results when compared with eddy covariance observations. While our simplified model provides a new perspective to advance spatio-temporal evaporation mapping from any thermal remote sensing mission, the direct retrieval of aerodynamic temperature also generates the highly required insight on the critical role of biophysical interactions in global evaporation research.

KW - aerodynamic temperature

KW - canopy conductance

KW - evaporation

KW - thermal remote sensing

KW - VPD

KW - water stress

U2 - 10.1029/2021GL097568

DO - 10.1029/2021GL097568

M3 - Journal article

AN - SCOPUS:85135793723

VL - 49

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 15

M1 - e2021GL097568

ER -