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Title: Are Remote Sensing Evapotranspiration Models Reliable Across South American Ecoregions?

Abstract

Many remote sensing-based evapotranspiration (RSBET) algorithms have been proposed in the past decades and evaluated using flux tower data, mainly over North America and Europe. Model evaluation across South America has been done locally or using only a single algorithm at a time. Here, in this work, we provide the first evaluation of multiple RSBET models, at a daily scale, across a wide variety of biomes, climate zones, and land uses in South America. We used meteorological data from 25 flux towers to force four RSBET models: Priestley–Taylor Jet Propulsion Laboratory (PT-JPL), Global Land Evaporation Amsterdam Model (GLEAM), Penman–Monteith Mu model (PM-MOD), and Penman–Monteith Nagler model (PM-VI). ET was predicted satisfactorily by all four models, with correlations consistently higher (R2 > 6) for GLEAM and PT-JPL, and PM-MOD and PM-VI presenting overall better responses in terms of percent bias (-10 < PBIAS < 10%). As for PM-VI, this outcome is expected, given that the model requires calibration with local data. Model skill seems to be unrelated to land-use but instead presented some dependency on biome and climate, with the models producing the best results for wet to moderately wet environments. Our findings show the suitability of individual models for amore » number of combinations of land cover types, biomes, and climates. At the same time, no model outperformed the others for all conditions, which emphasizes the need for adapting individual algorithms to take into account intrinsic characteristics of climates and ecosystems in South America.« less

Authors:
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [1]; ORCiD logo [3]; ORCiD logo [3]; ORCiD logo [4]; ORCiD logo [5]; ORCiD logo [6]; ORCiD logo [7]; ORCiD logo [2]; ORCiD logo [8]; ORCiD logo [8]; ORCiD logo [9]; ORCiD logo [7]; ORCiD logo [8]; ORCiD logo [8]; ORCiD logo [2]; ORCiD logo [10]; ORCiD logo [11]; ORCiD logo [12] more »; ORCiD logo [13]; ORCiD logo [14]; ORCiD logo [15]; ORCiD logo [16]; ORCiD logo [13]; ORCiD logo [17]; ORCiD logo [18]; ORCiD logo [19]; ORCiD logo [19]; ORCiD logo [20]; ORCiD logo [21]; ORCiD logo [3]; ORCiD logo [2]; ORCiD logo [22] « less
  1. Federal University of Paraíba (Brazil)
  2. Federal University of Mato Grosso (Brazil)
  3. Ghent Univ. (Belgium)
  4. Chapman Univ., Orange, CA (United States)
  5. Imperial College, London (United Kingdom)
  6. Univ. of Montana, Missoula, MT (United States)
  7. Brazilian Agricultural Research Corporation (Brazil)
  8. Federal Univ. of Rio Grande do Norte (Brazil)
  9. Univ. of Arizona, Tucson, AZ (United States)
  10. Univ. of Bristol (United Kingdom)
  11. Texas A & M Univ., College Station, TX (United States)
  12. Federal University of Pernambuco (Brazil)
  13. Univ. of Hamburg (Germany)
  14. University of Chile, Santiago (Chile)
  15. University of Chile, Santiago (Chile); Institute of Ecology and Biodiversity, Santiago (Chile)
  16. Univ. of Reading (United Kingdom)
  17. Federal University of the Agreste of Pernambuco (Brazil)
  18. Federal Rural University of Pernambuco (Brazil)
  19. Univ. of Buenos Aires (Argentina); National Scientific and Technical Research Council (CONICET) (Argentina)
  20. Univ. of Buenos Aires (Argentina)
  21. Instituto Nacional de Tecnología Agropecuaria (INTA) (Argentina)
  22. Univ. of Sao Paulo (Brazil)
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). AmeriFlux
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1982069
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Water Resources Research
Additional Journal Information:
Journal Volume: 57; Journal Issue: 11; Journal ID: ISSN 0043-1397
Publisher:
American Geophysical Union (AGU)
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; MODIS; transpiration; Penman-Monteith; Priestly-Taylor

Citation Formats

Melo, D. C. D., Anache, J. A. A., Borges, V. P., Miralles, D. G., Martens, B., Fisher, J. B., Nóbrega, R. L. B., Moreno, A., Cabral, O. M. R., Rodrigues, T. R., Bezerra, B., Silva, C. M. S., Neto, A. A. Meira, Moura, M. S. B., Marques, T. V., Campos, S., Nogueira, J. S., Rosolem, R., Souza, R. M. S., Antonino, A. C. D., Holl, D., Galleguillos, M., Perez‐Quezada, J. F., Verhoef, A., Kutzbach, L., Lima, J. R. S., Souza, E. S., Gassman, M. I., Perez, C. F., Tonti, N., Posse, G., Rains, D., Oliveira, P. T. S., and Wendland, E. Are Remote Sensing Evapotranspiration Models Reliable Across South American Ecoregions?. United States: N. p., 2021. Web. doi:10.1029/2020wr028752.
Melo, D. C. D., Anache, J. A. A., Borges, V. P., Miralles, D. G., Martens, B., Fisher, J. B., Nóbrega, R. L. B., Moreno, A., Cabral, O. M. R., Rodrigues, T. R., Bezerra, B., Silva, C. M. S., Neto, A. A. Meira, Moura, M. S. B., Marques, T. V., Campos, S., Nogueira, J. S., Rosolem, R., Souza, R. M. S., Antonino, A. C. D., Holl, D., Galleguillos, M., Perez‐Quezada, J. F., Verhoef, A., Kutzbach, L., Lima, J. R. S., Souza, E. S., Gassman, M. I., Perez, C. F., Tonti, N., Posse, G., Rains, D., Oliveira, P. T. S., & Wendland, E. Are Remote Sensing Evapotranspiration Models Reliable Across South American Ecoregions?. United States. https://doi.org/10.1029/2020wr028752
Melo, D. C. D., Anache, J. A. A., Borges, V. P., Miralles, D. G., Martens, B., Fisher, J. B., Nóbrega, R. L. B., Moreno, A., Cabral, O. M. R., Rodrigues, T. R., Bezerra, B., Silva, C. M. S., Neto, A. A. Meira, Moura, M. S. B., Marques, T. V., Campos, S., Nogueira, J. S., Rosolem, R., Souza, R. M. S., Antonino, A. C. D., Holl, D., Galleguillos, M., Perez‐Quezada, J. F., Verhoef, A., Kutzbach, L., Lima, J. R. S., Souza, E. S., Gassman, M. I., Perez, C. F., Tonti, N., Posse, G., Rains, D., Oliveira, P. T. S., and Wendland, E. Wed . "Are Remote Sensing Evapotranspiration Models Reliable Across South American Ecoregions?". United States. https://doi.org/10.1029/2020wr028752. https://www.osti.gov/servlets/purl/1982069.
@article{osti_1982069,
title = {Are Remote Sensing Evapotranspiration Models Reliable Across South American Ecoregions?},
author = {Melo, D. C. D. and Anache, J. A. A. and Borges, V. P. and Miralles, D. G. and Martens, B. and Fisher, J. B. and Nóbrega, R. L. B. and Moreno, A. and Cabral, O. M. R. and Rodrigues, T. R. and Bezerra, B. and Silva, C. M. S. and Neto, A. A. Meira and Moura, M. S. B. and Marques, T. V. and Campos, S. and Nogueira, J. S. and Rosolem, R. and Souza, R. M. S. and Antonino, A. C. D. and Holl, D. and Galleguillos, M. and Perez‐Quezada, J. F. and Verhoef, A. and Kutzbach, L. and Lima, J. R. S. and Souza, E. S. and Gassman, M. I. and Perez, C. F. and Tonti, N. and Posse, G. and Rains, D. and Oliveira, P. T. S. and Wendland, E.},
abstractNote = {Many remote sensing-based evapotranspiration (RSBET) algorithms have been proposed in the past decades and evaluated using flux tower data, mainly over North America and Europe. Model evaluation across South America has been done locally or using only a single algorithm at a time. Here, in this work, we provide the first evaluation of multiple RSBET models, at a daily scale, across a wide variety of biomes, climate zones, and land uses in South America. We used meteorological data from 25 flux towers to force four RSBET models: Priestley–Taylor Jet Propulsion Laboratory (PT-JPL), Global Land Evaporation Amsterdam Model (GLEAM), Penman–Monteith Mu model (PM-MOD), and Penman–Monteith Nagler model (PM-VI). ET was predicted satisfactorily by all four models, with correlations consistently higher (R2 > 6) for GLEAM and PT-JPL, and PM-MOD and PM-VI presenting overall better responses in terms of percent bias (-10 < PBIAS < 10%). As for PM-VI, this outcome is expected, given that the model requires calibration with local data. Model skill seems to be unrelated to land-use but instead presented some dependency on biome and climate, with the models producing the best results for wet to moderately wet environments. Our findings show the suitability of individual models for a number of combinations of land cover types, biomes, and climates. At the same time, no model outperformed the others for all conditions, which emphasizes the need for adapting individual algorithms to take into account intrinsic characteristics of climates and ecosystems in South America.},
doi = {10.1029/2020wr028752},
journal = {Water Resources Research},
number = 11,
volume = 57,
place = {United States},
year = {Wed Oct 13 00:00:00 EDT 2021},
month = {Wed Oct 13 00:00:00 EDT 2021}
}

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