Development and validation of the SMAP enhanced passive soil moisture product

S. Chan; R. Bindlish; P. O'Neill; T. Jackson; J. Chaubell; J. Piepmeier; S. Dunbar; A. Colliander; F. Chen; D. Entekhabi; S. Yueh; M. Cosh; T. Caldwell; J. Walker; X. Wu; A. Berg; T. Rowlandson; A. Pacheco; H. McNairn; M. Thibeault; J. Martinez-Fernandez; A. Gonzalez-Zamora; E. Lopez-Baeza; F. Uldall; M. Seyfried; D. Bosch; P. Starks; C. Holifield Collins; J. Prueger; Z. Su; R. Van Der Velde; J. Asanuma; M. Palecki; E. Small; M. Zreda; J. C. Calvet; W. Crow; Y. Kerr

doi:10.1109/IGARSS.2017.8127512

Development and validation of the SMAP enhanced passive soil moisture product

S. Chan, R. Bindlish, P. O'Neill, T. Jackson, J. Chaubell, J. Piepmeier, S. Dunbar, A. Colliander, F. Chen, D. Entekhabi, S. Yueh, M. Cosh, T. Caldwell, J. Walker, X. Wu, A. Berg, T. Rowlandson, A. Pacheco, H. McNairn, M. ThibeaultJ. Martinez-Fernandez, A. Gonzalez-Zamora, E. Lopez-Baeza, F. Uldall, M. Seyfried, D. Bosch, P. Starks, C. Holifield Collins, J. Prueger, Z. Su, R. Van Der Velde, J. Asanuma, M. Palecki, E. Small, M. Zreda, J. C. Calvet, W. Crow, Y. Kerr

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

16 Scopus citations

Abstract

Since the beginning of its routine science operation in March 2015, the NASA SMAP observatory has been returning interference-mitigated brightness temperature observations at L-band (1.41 GHz) frequency from space. The resulting data enable frequent global mapping of soil moisture with a retrieval uncertainty below 0.040 m³/m³ at a 36 km spatial scale. This paper describes the development and validation of an enhanced version of the current standard soil moisture product. Compared with the standard product that is posted on a 36 km grid, the new enhanced product is posted on a 9 km grid. Derived from the same time-ordered brightness temperature observations that feed the current standard passive soil moisture product, the enhanced passive soil moisture product leverages on the Backus-Gilbert optimal interpolation technique that more fully utilizes the additional information from the original radiometer observations to achieve global mapping of soil moisture with enhanced clarity. The resulting enhanced soil moisture product was assessed using long-term in situ soil moisture observations from core validation sites located in diverse biomes and was found to exhibit an average retrieval uncertainty below 0.040 m³/m³. As of December 2016, the enhanced soil moisture product has been made available to the public from the NASA Distributed Active Archive Center at the National Snow and Ice Data Center.

Original language	English (US)
Title of host publication	2017 IEEE International Geoscience and Remote Sensing Symposium
Subtitle of host publication	International Cooperation for Global Awareness, IGARSS 2017 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	2539-2542
Number of pages	4
ISBN (Electronic)	9781509049516
DOIs	https://doi.org/10.1109/IGARSS.2017.8127512
State	Published - Dec 1 2017
Event	37th Annual IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2017 - Fort Worth, United States Duration: Jul 23 2017 → Jul 28 2017

Publication series

Name	International Geoscience and Remote Sensing Symposium (IGARSS)
Volume	2017-July

Other

Other	37th Annual IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2017
Country/Territory	United States
City	Fort Worth
Period	7/23/17 → 7/28/17

ASJC Scopus subject areas

Computer Science Applications
General Earth and Planetary Sciences

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10.1109/IGARSS.2017.8127512

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Chan, S., Bindlish, R., O'Neill, P., Jackson, T., Chaubell, J., Piepmeier, J., Dunbar, S., Colliander, A., Chen, F., Entekhabi, D., Yueh, S., Cosh, M., Caldwell, T., Walker, J., Wu, X., Berg, A., Rowlandson, T., Pacheco, A., McNairn, H., ... Kerr, Y. (2017). Development and validation of the SMAP enhanced passive soil moisture product. In 2017 IEEE International Geoscience and Remote Sensing Symposium: International Cooperation for Global Awareness, IGARSS 2017 - Proceedings (pp. 2539-2542). Article 8127512 (International Geoscience and Remote Sensing Symposium (IGARSS); Vol. 2017-July). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IGARSS.2017.8127512

Development and validation of the SMAP enhanced passive soil moisture product. / Chan, S.; Bindlish, R.; O'Neill, P. et al.
2017 IEEE International Geoscience and Remote Sensing Symposium: International Cooperation for Global Awareness, IGARSS 2017 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2017. p. 2539-2542 8127512 (International Geoscience and Remote Sensing Symposium (IGARSS); Vol. 2017-July).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Chan, S, Bindlish, R, O'Neill, P, Jackson, T, Chaubell, J, Piepmeier, J, Dunbar, S, Colliander, A, Chen, F, Entekhabi, D, Yueh, S, Cosh, M, Caldwell, T, Walker, J, Wu, X, Berg, A, Rowlandson, T, Pacheco, A, McNairn, H, Thibeault, M, Martinez-Fernandez, J, Gonzalez-Zamora, A, Lopez-Baeza, E, Uldall, F, Seyfried, M, Bosch, D, Starks, P, Collins, CH, Prueger, J, Su, Z, Van Der Velde, R, Asanuma, J, Palecki, M, Small, E, Zreda, M, Calvet, JC, Crow, W & Kerr, Y 2017, Development and validation of the SMAP enhanced passive soil moisture product. in 2017 IEEE International Geoscience and Remote Sensing Symposium: International Cooperation for Global Awareness, IGARSS 2017 - Proceedings., 8127512, International Geoscience and Remote Sensing Symposium (IGARSS), vol. 2017-July, Institute of Electrical and Electronics Engineers Inc., pp. 2539-2542, 37th Annual IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2017, Fort Worth, United States, 7/23/17. https://doi.org/10.1109/IGARSS.2017.8127512

Chan S, Bindlish R, O'Neill P, Jackson T, Chaubell J, Piepmeier J et al. Development and validation of the SMAP enhanced passive soil moisture product. In 2017 IEEE International Geoscience and Remote Sensing Symposium: International Cooperation for Global Awareness, IGARSS 2017 - Proceedings. Institute of Electrical and Electronics Engineers Inc. 2017. p. 2539-2542. 8127512. (International Geoscience and Remote Sensing Symposium (IGARSS)). doi: 10.1109/IGARSS.2017.8127512

Chan, S. ; Bindlish, R. ; O'Neill, P. et al. / Development and validation of the SMAP enhanced passive soil moisture product. 2017 IEEE International Geoscience and Remote Sensing Symposium: International Cooperation for Global Awareness, IGARSS 2017 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2017. pp. 2539-2542 (International Geoscience and Remote Sensing Symposium (IGARSS)).

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title = "Development and validation of the SMAP enhanced passive soil moisture product",

abstract = "Since the beginning of its routine science operation in March 2015, the NASA SMAP observatory has been returning interference-mitigated brightness temperature observations at L-band (1.41 GHz) frequency from space. The resulting data enable frequent global mapping of soil moisture with a retrieval uncertainty below 0.040 m3/m3 at a 36 km spatial scale. This paper describes the development and validation of an enhanced version of the current standard soil moisture product. Compared with the standard product that is posted on a 36 km grid, the new enhanced product is posted on a 9 km grid. Derived from the same time-ordered brightness temperature observations that feed the current standard passive soil moisture product, the enhanced passive soil moisture product leverages on the Backus-Gilbert optimal interpolation technique that more fully utilizes the additional information from the original radiometer observations to achieve global mapping of soil moisture with enhanced clarity. The resulting enhanced soil moisture product was assessed using long-term in situ soil moisture observations from core validation sites located in diverse biomes and was found to exhibit an average retrieval uncertainty below 0.040 m3/m3. As of December 2016, the enhanced soil moisture product has been made available to the public from the NASA Distributed Active Archive Center at the National Snow and Ice Data Center.",

author = "S. Chan and R. Bindlish and P. O'Neill and T. Jackson and J. Chaubell and J. Piepmeier and S. Dunbar and A. Colliander and F. Chen and D. Entekhabi and S. Yueh and M. Cosh and T. Caldwell and J. Walker and X. Wu and A. Berg and T. Rowlandson and A. Pacheco and H. McNairn and M. Thibeault and J. Martinez-Fernandez and A. Gonzalez-Zamora and E. Lopez-Baeza and F. Uldall and M. Seyfried and D. Bosch and P. Starks and Collins, {C. Holifield} and J. Prueger and Z. Su and {Van Der Velde}, R. and J. Asanuma and M. Palecki and E. Small and M. Zreda and Calvet, {J. C.} and W. Crow and Y. Kerr",

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AU - Jackson, T.

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AU - Piepmeier, J.

AU - Dunbar, S.

AU - Colliander, A.

AU - Chen, F.

AU - Entekhabi, D.

AU - Yueh, S.

AU - Cosh, M.

AU - Caldwell, T.

AU - Walker, J.

AU - Wu, X.

AU - Berg, A.

AU - Rowlandson, T.

AU - Pacheco, A.

AU - McNairn, H.

AU - Thibeault, M.

AU - Martinez-Fernandez, J.

AU - Gonzalez-Zamora, A.

AU - Lopez-Baeza, E.

AU - Uldall, F.

AU - Seyfried, M.

AU - Bosch, D.

AU - Starks, P.

AU - Collins, C. Holifield

AU - Prueger, J.

AU - Su, Z.

AU - Van Der Velde, R.

AU - Asanuma, J.

AU - Palecki, M.

AU - Small, E.

AU - Zreda, M.

AU - Calvet, J. C.

AU - Crow, W.

AU - Kerr, Y.

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Development and validation of the SMAP enhanced passive soil moisture product

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