Journal Article

FZJ-2020-01862

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png ECOSTRESS: NASA's Next Generation Mission to Measure Evapotranspiration From the International Space Station

Fisher, J. B. (Corresponding author) ; Lee, B. ; Purdy, A. J. ; Halverson, G. H. ; Dohlen, M. B. ; Cawse‐Nicholson, K. ; Wang, A. ; Anderson, R. G. ; Aragon, B. ; Arain, M. A. ; Baldocchi, D. D. ; Baker, J. M. ; Barral, H. ; Bernacchi, C. J. ; Bernhofer, C. ; Biraud, S. C. ; Bohrer, G. ; Brunsell, N. ; Cappelaere, B. ; Castro‐Contreras, S. ; Chun, J. ; Conrad, B. J. ; Cremonese, E. ; Demarty, J. ; Desai, A. R. ; De Ligne, A. ; Foltýnová, L. ; Goulden, M. L. ; Griffis, T. J. ; Grünwald, T. ; Johnson, M. S. ; Kang, M. ; Kelbe, D. ; Kowalska, N. ; Lim, J. ; Maïnassara, I. ; McCabe, M. F. ; Missik, J. E. C. ; Mohanty, B. P. ; Moore, C. E. ; Morillas, L. ; Morrison, R. ; Munger, J. W. ; Posse, G. ; Richardson, A. D. ; Russell, E. S. ; Ryu, Y. ; Sanchez‐Azofeifa, A. ; Schmidt, M.FZJ* ; Schwartz, E. ; Sharp, I. ; Šigut, L. ; Tang, Y. ; Hulley, G. ; Anderson, M. ; Hain, C. ; French, A. ; Wood, E. ; Hook, S.

2020
Wiley [New York]

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Please use a persistent id in citations: http://hdl.handle.net/2128/24875  doi:10.1029/2019WR026058

Abstract: The ECOsystem Spaceborne Thermal Radiometer Experiment on Space Station (ECOSTRESS) was launched to the International Space Station on 29 June 2018 by the National Aeronautics and Space Administration (NASA). The primary science focus of ECOSTRESS is centered on evapotranspiration (ET), which is produced as Level‐3 (L3) latent heat flux (LE) data products. These data are generated from the Level‐2 land surface temperature and emissivity product (L2_LSTE), in conjunction with ancillary surface and atmospheric data. Here, we provide the first validation (Stage 1, preliminary) of the global ECOSTRESS clear‐sky ET product (L3_ET_PT‐JPL, Version 6.0) against LE measurements at 82 eddy covariance sites around the world. Overall, the ECOSTRESS ET product performs well against the site measurements (clear‐sky instantaneous/time of overpass: r2 = 0.88; overall bias = 8%; normalized root‐mean‐square error, RMSE = 6%). ET uncertainty was generally consistent across climate zones, biome types, and times of day (ECOSTRESS samples the diurnal cycle), though temperate sites are overrepresented. The 70‐m‐high spatial resolution of ECOSTRESS improved correlations by 85%, and RMSE by 62%, relative to 1‐km pixels. This paper serves as a reference for the ECOSTRESS L3 ET accuracy and Stage 1 validation status for subsequent science that follows using these data.

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Contributing Institute(s):

1. Agrosphäre (IBG-3)

Research Program(s):

1. 255 - Terrestrial Systems: From Observation to Prediction (POF3-255) (POF3-255)

Appears in the scientific report 2020

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Database coverage:
; ; ; Clarivate Analytics Master Journal List ; Current Contents - Agriculture, Biology and Environmental Sciences ; Current Contents - Engineering, Computing and Technology ; IF < 5 ; JCR ; NCBI Molecular Biology Database ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Web of Science Core Collection

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