ECOSTRESS: NASA's Next Generation Mission to Measure Evapotranspiration From the International Space Station

Joshua B. Fisher; Brian Lee; Adam J. Purdy; Gregory H. Halverson; Matthew B. Dohlen; Kerry Cawse-Nicholson; Audrey Wang; Ray G. Anderson; Bruno Aragon; M. Altaf Arain; Dennis D. Baldocchi; John M. Baker; Hélène Barral; Carl J. Bernacchi; Christian Bernhofer; Sébastien C. Biraud; Gil Bohrer; Nathaniel Brunsell; Bernard Cappelaere; Saulo Castro-Contreras; Junghwa Chun; Bryan J. Conrad; Edoardo Cremonese; Jérôme Demarty; Ankur R. Desai; Anne De Ligne; Lenka Foltýnová; Michael L. Goulden; Timothy J. Griffis; Thomas Grünwald; Mark S. Johnson; Minseok Kang; Dave Kelbe; Natalia Kowalska; Jong Hwan Lim; Ibrahim Maïnassara; Matthew F. McCabe; Justine E.C. Missik; Binayak P. Mohanty; Caitlin E. Moore; Laura Morillas; Ross Morrison; J. William Munger; Gabriela Posse; Andrew D. Richardson; Eric S. Russell; Youngryel Ryu; Arturo Sanchez-Azofeifa; Marius Schmidt; Efrat Schwartz; Iain Sharp; Ladislav Šigut; Yao Tang; Glynn Hulley; Martha Anderson; Christopher Hain; Andrew French; Eric Wood; Simon Hook

doi:10.1029/2019WR026058

ECOSTRESS: NASA's Next Generation Mission to Measure Evapotranspiration From the International Space Station

Joshua B. Fisher, Brian Lee, Adam J. Purdy, Gregory H. Halverson, Matthew B. Dohlen, Kerry Cawse-Nicholson, Audrey Wang, Ray G. Anderson, Bruno Aragon, M. Altaf Arain, Dennis D. Baldocchi, John M. Baker, Hélène Barral, Carl J. Bernacchi, Christian Bernhofer, Sébastien C. Biraud, Gil Bohrer, Nathaniel Brunsell, Bernard Cappelaere, Saulo Castro-ContrerasJunghwa Chun, Bryan J. Conrad, Edoardo Cremonese, Jérôme Demarty, Ankur R. Desai, Anne De Ligne, Lenka Foltýnová, Michael L. Goulden, Timothy J. Griffis, Thomas Grünwald, Mark S. Johnson, Minseok Kang, Dave Kelbe, Natalia Kowalska, Jong Hwan Lim, Ibrahim Maïnassara, Matthew F. McCabe, Justine E.C. Missik, Binayak P. Mohanty, Caitlin E. Moore, Laura Morillas, Ross Morrison, J. William Munger, Gabriela Posse, Andrew D. Richardson, Eric S. Russell, Youngryel Ryu, Arturo Sanchez-Azofeifa, Marius Schmidt, Efrat Schwartz, Iain Sharp, Ladislav Šigut, Yao Tang, Glynn Hulley, Martha Anderson, Christopher Hain, Andrew French, Eric Wood, Simon Hook

Soil, Water, and Climate

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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.

Original language	English (US)
Article number	e2019WR026058
Journal	Water Resources Research
Volume	56
Issue number	4
DOIs	https://doi.org/10.1029/2019WR026058
State	Published - Apr 1 2020

Bibliographical note

Publisher Copyright:
© 2020. The Authors.

Keywords

ECOSTRESS
eddy covariance
evapotranspiration
latent heat flux
satellite
validation

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Fisher, J. B., 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., ... Hook, S. (2020). ECOSTRESS: NASA's Next Generation Mission to Measure Evapotranspiration From the International Space Station. Water Resources Research, 56(4), Article e2019WR026058. https://doi.org/10.1029/2019WR026058

Fisher, JB, Lee, B, Purdy, AJ, Halverson, GH, Dohlen, MB, Cawse-Nicholson, K, Wang, A, Anderson, RG, Aragon, B, Arain, MA, Baldocchi, DD, Baker, JM, Barral, H, Bernacchi, CJ, Bernhofer, C, Biraud, SC, Bohrer, G, Brunsell, N, Cappelaere, B, Castro-Contreras, S, Chun, J, Conrad, BJ, Cremonese, E, Demarty, J, Desai, AR, De Ligne, A, Foltýnová, L, Goulden, ML, Griffis, TJ, Grünwald, T, Johnson, MS, Kang, M, Kelbe, D, Kowalska, N, Lim, JH, Maïnassara, I, McCabe, MF, Missik, JEC, Mohanty, BP, Moore, CE, Morillas, L, Morrison, R, Munger, JW, Posse, G, Richardson, AD, Russell, ES, Ryu, Y, Sanchez-Azofeifa, A, Schmidt, M, Schwartz, E, Sharp, I, Šigut, L, Tang, Y, Hulley, G, Anderson, M, Hain, C, French, A, Wood, E & Hook, S 2020, 'ECOSTRESS: NASA's Next Generation Mission to Measure Evapotranspiration From the International Space Station', Water Resources Research, vol. 56, no. 4, e2019WR026058. https://doi.org/10.1029/2019WR026058

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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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author = "Fisher, {Joshua B.} and Brian Lee and Purdy, {Adam J.} and Halverson, {Gregory H.} and Dohlen, {Matthew B.} and Kerry Cawse-Nicholson and Audrey Wang and Anderson, {Ray G.} and Bruno Aragon and Arain, {M. Altaf} and Baldocchi, {Dennis D.} and Baker, {John M.} and H{\'e}l{\`e}ne Barral and Bernacchi, {Carl J.} and Christian Bernhofer and Biraud, {S{\'e}bastien C.} and Gil Bohrer and Nathaniel Brunsell and Bernard Cappelaere and Saulo Castro-Contreras and Junghwa Chun and Conrad, {Bryan J.} and Edoardo Cremonese and J{\'e}r{\^o}me Demarty and Desai, {Ankur R.} and {De Ligne}, Anne and Lenka Folt{\'y}nov{\'a} and Goulden, {Michael L.} and Griffis, {Timothy J.} and Thomas Gr{\"u}nwald and Johnson, {Mark S.} and Minseok Kang and Dave Kelbe and Natalia Kowalska and Lim, {Jong Hwan} and Ibrahim Ma{\"i}nassara and McCabe, {Matthew F.} and Missik, {Justine E.C.} and Mohanty, {Binayak P.} and Moore, {Caitlin E.} and Laura Morillas and Ross Morrison and Munger, {J. William} and Gabriela Posse and Richardson, {Andrew D.} and Russell, {Eric S.} and Youngryel Ryu and Arturo Sanchez-Azofeifa and Marius Schmidt and Efrat Schwartz and Iain Sharp and Ladislav {\v S}igut and Yao Tang and Glynn Hulley and Martha Anderson and Christopher Hain and Andrew French and Eric Wood and Simon Hook",

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year = "2020",

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doi = "10.1029/2019WR026058",

language = "English (US)",

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T2 - NASA's Next Generation Mission to Measure Evapotranspiration From the International Space Station

AU - Fisher, Joshua B.

AU - Lee, Brian

AU - Purdy, Adam J.

AU - Halverson, Gregory H.

AU - Dohlen, Matthew B.

AU - Cawse-Nicholson, Kerry

AU - Wang, Audrey

AU - Anderson, Ray G.

AU - Aragon, Bruno

AU - Arain, M. Altaf

AU - Baldocchi, Dennis D.

AU - Baker, John M.

AU - Barral, Hélène

AU - Bernacchi, Carl J.

AU - Bernhofer, Christian

AU - Biraud, Sébastien C.

AU - Bohrer, Gil

AU - Brunsell, Nathaniel

AU - Cappelaere, Bernard

AU - Castro-Contreras, Saulo

AU - Chun, Junghwa

AU - Conrad, Bryan J.

AU - Cremonese, Edoardo

AU - Demarty, Jérôme

AU - Desai, Ankur R.

AU - De Ligne, Anne

AU - Foltýnová, Lenka

AU - Goulden, Michael L.

AU - Griffis, Timothy J.

AU - Grünwald, Thomas

AU - Johnson, Mark S.

AU - Kang, Minseok

AU - Kelbe, Dave

AU - Kowalska, Natalia

AU - Lim, Jong Hwan

AU - Maïnassara, Ibrahim

AU - McCabe, Matthew F.

AU - Missik, Justine E.C.

AU - Mohanty, Binayak P.

AU - Moore, Caitlin E.

AU - Morillas, Laura

AU - Morrison, Ross

AU - Munger, J. William

AU - Posse, Gabriela

AU - Richardson, Andrew D.

AU - Russell, Eric S.

AU - Ryu, Youngryel

AU - Sanchez-Azofeifa, Arturo

AU - Schmidt, Marius

AU - Schwartz, Efrat

AU - Sharp, Iain

AU - Šigut, Ladislav

AU - Tang, Yao

AU - Hulley, Glynn

AU - Anderson, Martha

AU - Hain, Christopher

AU - French, Andrew

AU - Wood, Eric

AU - Hook, Simon

PY - 2020/4/1

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N2 - 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.

AB - 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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KW - eddy covariance

KW - evapotranspiration

KW - latent heat flux

KW - satellite

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ER -

ECOSTRESS: NASA's Next Generation Mission to Measure Evapotranspiration From the International Space Station

Abstract

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