Assessment of version 4 of the SMAP passive soil moisture standard product

P. O'Neill; S. Chan; R. Bindlish; T. Jackson; A. Colliander; S. Dunbar; F. Chen; J. Piepmeier; S. Yueh; D. Entekhabi; 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. Udall; M. Seyfried; D. Bosch; P. Starks; C. Holifield; 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.2017.8127862

Assessment of version 4 of the SMAP passive soil moisture standard product

P. O'Neill
, S. Chan
, R. Bindlish
, T. Jackson
, A. Colliander
, S. Dunbar
, F. Chen
, J. Piepmeier
, S. Yueh
, D. Entekhabi
, 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. Udall, M. Seyfried, D. Bosch, P. Starks, C. Holifield, J. Prueger, Z. Su, R. Van Der Velde, J. Asanuma, M. Palecki, E. Small, M. Zreda, J. C. Calvet, W. Crow, Y. Kerr

Civil & Environmental Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Other

8 Citations (Scopus)

Abstract

NASA's Soil Moisture Active Passive (SMAP) mission launched on January 31, 2015 into a sun-synchronous 6 am/6 pm orbit with an objective to produce global mapping of high-resolution soil moisture and freeze-thaw state every 2-3 days. The SMAP radiometer began acquiring routine science data on March 31, 2015 and continues to operate nominally. SMAP's radiometer-derived standard soil moisture product (L2SMP) provides soil moisture estimates posted on a 36-km fixed Earth grid using brightness temperature observations and ancillary data. A beta quality version of L2SMP was released to the public in October, 2015, Version 3 validated L2SMP soil moisture data were released in May, 2016, and Version 4 L2SMP data were released in December, 2016. Version 4 data are processed using the same soil moisture retrieval algorithms as previous versions, but now include retrieved soil moisture from both the 6 am descending orbits and the 6 pm ascending orbits. Validation of 19 months of the standard L2SMP product was done for both AM and PM retrievals using in situ measurements from global core cal/val sites. Accuracy of the soil moisture retrievals averaged over the core sites showed that SMAP accuracy requirements are being met.

Original language	English
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	IEEE, Institute of Electrical and Electronics Engineers
Pages	3941-3944
Number of pages	4
Volume	2017-July
ISBN (Electronic)	9781509049516
DOIs	https://doi.org/10.1109/IGARSS.2017.8127862
Publication status	Published - 1 Dec 2017
Event	IEEE International Geoscience and Remote Sensing Symposium 2017 - Fort Worth, United States of America Duration: 23 Jul 2017 → 28 Jul 2017 Conference number: 37th https://www2.securecms.com/IGARSS2017/Default.asp https://ieeexplore.ieee.org/xpl/conhome/8118204/proceeding (Proceedings)

Conference

Conference	IEEE International Geoscience and Remote Sensing Symposium 2017
Abbreviated title	IGARSS 2017
Country/Territory	United States of America
City	Fort Worth
Period	23/07/17 → 28/07/17
Internet address	https://www2.securecms.com/IGARSS2017/Default.asp https://ieeexplore.ieee.org/xpl/conhome/8118204/proceeding (Proceedings)

Keywords

Accuracy assessment
Cal/val
Passive microwave
SMAP
Soil moisture

Access to Document

10.1109/IGARSS.2017.8127862

Cite this

O'Neill, P., Chan, S., Bindlish, R., Jackson, T., Colliander, A., Dunbar, S., Chen, F., Piepmeier, J., Yueh, S., Entekhabi, D., Cosh, M., Caldwell, T., Walker, J., Wu, X., Berg, A., Rowlandson, T., Pacheco, A., McNairn, H., Thibeault, M., ... Kerr, Y. (2017). Assessment of version 4 of the SMAP passive soil moisture standard product. In 2017 IEEE International Geoscience and Remote Sensing Symposium: International Cooperation for Global Awareness, IGARSS 2017 - Proceedings (Vol. 2017-July, pp. 3941-3944). IEEE, Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/IGARSS.2017.8127862

@inproceedings{d6bc3128b6a84629a910de55c1a8321c,

title = "Assessment of version 4 of the SMAP passive soil moisture standard product",

abstract = "NASA's Soil Moisture Active Passive (SMAP) mission launched on January 31, 2015 into a sun-synchronous 6 am/6 pm orbit with an objective to produce global mapping of high-resolution soil moisture and freeze-thaw state every 2-3 days. The SMAP radiometer began acquiring routine science data on March 31, 2015 and continues to operate nominally. SMAP's radiometer-derived standard soil moisture product (L2SMP) provides soil moisture estimates posted on a 36-km fixed Earth grid using brightness temperature observations and ancillary data. A beta quality version of L2SMP was released to the public in October, 2015, Version 3 validated L2SMP soil moisture data were released in May, 2016, and Version 4 L2SMP data were released in December, 2016. Version 4 data are processed using the same soil moisture retrieval algorithms as previous versions, but now include retrieved soil moisture from both the 6 am descending orbits and the 6 pm ascending orbits. Validation of 19 months of the standard L2SMP product was done for both AM and PM retrievals using in situ measurements from global core cal/val sites. Accuracy of the soil moisture retrievals averaged over the core sites showed that SMAP accuracy requirements are being met.",

keywords = "Accuracy assessment, Cal/val, Passive microwave, SMAP, Soil moisture",

author = "P. O'Neill and S. Chan and R. Bindlish and T. Jackson and A. Colliander and S. Dunbar and F. Chen and J. Piepmeier and S. Yueh and D. Entekhabi 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. Udall and M. Seyfried and D. Bosch and P. Starks and 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",

year = "2017",

month = dec,

day = "1",

doi = "10.1109/IGARSS.2017.8127862",

language = "English",

volume = "2017-July",

pages = "3941--3944",

booktitle = "2017 IEEE International Geoscience and Remote Sensing Symposium",

publisher = "IEEE, Institute of Electrical and Electronics Engineers",

address = "United States of America",

note = "IEEE International Geoscience and Remote Sensing Symposium 2017, IGARSS 2017 ; Conference date: 23-07-2017 Through 28-07-2017",

url = "https://www2.securecms.com/IGARSS2017/Default.asp, https://ieeexplore.ieee.org/xpl/conhome/8118204/proceeding",

}

O'Neill, P, Chan, S, Bindlish, R, Jackson, T, Colliander, A, Dunbar, S, Chen, F, Piepmeier, J, Yueh, S, Entekhabi, D, 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, Udall, F, Seyfried, M, Bosch, D, Starks, P, Holifield, C, Prueger, J, Su, Z, Van Der Velde, R, Asanuma, J, Palecki, M, Small, E, Zreda, M, Calvet, JC, Crow, W & Kerr, Y 2017, Assessment of version 4 of the SMAP passive soil moisture standard product. in 2017 IEEE International Geoscience and Remote Sensing Symposium: International Cooperation for Global Awareness, IGARSS 2017 - Proceedings. vol. 2017-July, IEEE, Institute of Electrical and Electronics Engineers, pp. 3941-3944, IEEE International Geoscience and Remote Sensing Symposium 2017, Fort Worth, Texas, United States of America, 23/07/17. https://doi.org/10.1109/IGARSS.2017.8127862

Assessment of version 4 of the SMAP passive soil moisture standard product. / O'Neill, P.; Chan, S.; Bindlish, R. et al.
2017 IEEE International Geoscience and Remote Sensing Symposium: International Cooperation for Global Awareness, IGARSS 2017 - Proceedings. Vol. 2017-July IEEE, Institute of Electrical and Electronics Engineers, 2017. p. 3941-3944.

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Other

TY - GEN

T1 - Assessment of version 4 of the SMAP passive soil moisture standard product

AU - O'Neill, P.

AU - Chan, S.

AU - Bindlish, R.

AU - Jackson, T.

AU - Colliander, A.

AU - Dunbar, S.

AU - Chen, F.

AU - Piepmeier, J.

AU - Yueh, S.

AU - Entekhabi, D.

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 - Udall, F.

AU - Seyfried, M.

AU - Bosch, D.

AU - Starks, P.

AU - Holifield, C.

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.

N1 - Conference code: 37th

PY - 2017/12/1

Y1 - 2017/12/1

N2 - NASA's Soil Moisture Active Passive (SMAP) mission launched on January 31, 2015 into a sun-synchronous 6 am/6 pm orbit with an objective to produce global mapping of high-resolution soil moisture and freeze-thaw state every 2-3 days. The SMAP radiometer began acquiring routine science data on March 31, 2015 and continues to operate nominally. SMAP's radiometer-derived standard soil moisture product (L2SMP) provides soil moisture estimates posted on a 36-km fixed Earth grid using brightness temperature observations and ancillary data. A beta quality version of L2SMP was released to the public in October, 2015, Version 3 validated L2SMP soil moisture data were released in May, 2016, and Version 4 L2SMP data were released in December, 2016. Version 4 data are processed using the same soil moisture retrieval algorithms as previous versions, but now include retrieved soil moisture from both the 6 am descending orbits and the 6 pm ascending orbits. Validation of 19 months of the standard L2SMP product was done for both AM and PM retrievals using in situ measurements from global core cal/val sites. Accuracy of the soil moisture retrievals averaged over the core sites showed that SMAP accuracy requirements are being met.

AB - NASA's Soil Moisture Active Passive (SMAP) mission launched on January 31, 2015 into a sun-synchronous 6 am/6 pm orbit with an objective to produce global mapping of high-resolution soil moisture and freeze-thaw state every 2-3 days. The SMAP radiometer began acquiring routine science data on March 31, 2015 and continues to operate nominally. SMAP's radiometer-derived standard soil moisture product (L2SMP) provides soil moisture estimates posted on a 36-km fixed Earth grid using brightness temperature observations and ancillary data. A beta quality version of L2SMP was released to the public in October, 2015, Version 3 validated L2SMP soil moisture data were released in May, 2016, and Version 4 L2SMP data were released in December, 2016. Version 4 data are processed using the same soil moisture retrieval algorithms as previous versions, but now include retrieved soil moisture from both the 6 am descending orbits and the 6 pm ascending orbits. Validation of 19 months of the standard L2SMP product was done for both AM and PM retrievals using in situ measurements from global core cal/val sites. Accuracy of the soil moisture retrievals averaged over the core sites showed that SMAP accuracy requirements are being met.

KW - Accuracy assessment

KW - Cal/val

KW - Passive microwave

KW - SMAP

KW - Soil moisture

UR - https://www.scopus.com/pages/publications/85041836743

U2 - 10.1109/IGARSS.2017.8127862

DO - 10.1109/IGARSS.2017.8127862

M3 - Conference Paper

AN - SCOPUS:85041836743

VL - 2017-July

SP - 3941

EP - 3944

BT - 2017 IEEE International Geoscience and Remote Sensing Symposium

PB - IEEE, Institute of Electrical and Electronics Engineers

T2 - IEEE International Geoscience and Remote Sensing Symposium 2017

Y2 - 23 July 2017 through 28 July 2017

ER -

O'Neill P, Chan S, Bindlish R, Jackson T, Colliander A, Dunbar S et al. Assessment of version 4 of the SMAP passive soil moisture standard product. In 2017 IEEE International Geoscience and Remote Sensing Symposium: International Cooperation for Global Awareness, IGARSS 2017 - Proceedings. Vol. 2017-July. IEEE, Institute of Electrical and Electronics Engineers. 2017. p. 3941-3944 doi: 10.1109/IGARSS.2017.8127862

Assessment of version 4 of the SMAP passive soil moisture standard product

Abstract

Conference

Keywords

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