Abstract:
In this work, several retrieval algorithms were implemented to retrieve soil moisture (sm) and optical depth (τ) from Aquarius/SAC-D observations. Currently used sm retrieval algorithms (H- and V-pol Single Channel Algorithm, SCAH and SCAV; Microwave Polarization Difference Algorithm, MPDA) were computed over Pampas Plains, Argentina. The methodology of a novel Bayesian algorithm developed is also presented, and its results are contrasted with the previous algorithms. Finally, performance metrics for each algorithms were derived using SMOS Level-2 sm and τ as benchmark products. The new Bayesian approach provide the sm retrieval algorithm that exhibited the lowest ubRMSE (0.115m 3/m3), though very close to USDA SCA and SCAV ubRMSE (0.116m3/m3). Nevertheless, some improvements are discussed in Section 4 that might increase significantly the Bayesian algorithm performance. © 2014 IEEE.
Registro:
| Documento: |
Conferencia
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| Título: | A Bayesian approach for a SAC-D/aquarius soil moisture product |
| Autor: | Bruscantini, C.A.; Grings, F.; Barber, M.; Perna, P.; Karszenbaum, H. |
| Ciudad: | Pasadena, CA |
| Filiación: | Institute of Astronomy and Space Physics (IAFE), Argentina
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| Palabras clave: | Aquarius; Bayesian inference; Markov Chain Monte Carlo; soil moisture; Bayesian networks; Inference engines; Microwaves; Remote sensing; Soil moisture; AQUARIUS; Bayesian algorithms; Bayesian approaches; Bayesian inference; Markov Chain Monte-Carlo; Microwave polarizations; Retrieval algorithms; Single-channel algorithms; Algorithms |
| Año: | 2014
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| Página de inicio: | 1
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| Página de fin: | 4
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| DOI: |
http://dx.doi.org/10.1109/MicroRad.2014.6878896 |
| Título revista: | 13th Specialist Meeting on Microwave Radiometry and Remote Sensing of the Environment, MicroRad 2014
|
| Título revista abreviado: | Spec. Meet. Microw. Radiom. Rem. Sens. Environ., MicroRad - Proc.
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| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_97814799_v_n_p1_Bruscantini |
Referencias:
- Vine, D.M.L., Lagerloef, G.S.E., Yueh, S., Pellerano, F.A., Dinnat, E.P., Wentz, F., Aquarius mission technical overview (2006) IGARSS, pp. 1678-1680. , IEEE
- Jackson, T.J., Cosh, M.H., Bindlish, R., Starks, P.J., Bosch, D.D., Seyfried, M., Goodrich, D.C., Du, J., Validation of advanced microwave scanning radiometer soil moisture products (2010) Geoscience and Remote Sensing, IEEE Transactions on, 48 (12), pp. 4256-4272. , Dec
- Jackson, T.J., Schmugge, T.J., Vegetation effects on the microwave emission of soils (1991) Remote Sensing of Environment, 36 (3), pp. 203-212
- De Jeu, R.A.M., Holmes, T.R.H., Panciera, R., Walker, J.P., Parameterization of the land parameter retrieval model for l-band observations using the nafe'05 data set (2009) Geoscience and Remote Sensing Letters, IEEE, 6 (4), pp. 630-634. , Oct
- Oneill, P., Chan, S., Njoku, E., Jackson, T., Bindlish, R., Algorithm theoretical basis document (ATBD) SMAP Level 2 & 3 soil moisture (Passive) (2012) Initial Release, 1
- Bindlish, R., Jackson, T., (2013) Aquarius level-2 Swath Single Orbit Soil Moisture. Version 2, , Boulder, Colorado USA: NASA DAAC at the National Snow and Ice Data Center
- Centro de Informaci´on Agroclimática (CIAg), , http://www.agro.uba.ar/centros/ciag, Argentina Facultad de Agronomía, Universidad de Buenos AiresA4 - IEEE Geoscience and Remote Sensing Society (IEEE GRSS); The Institute of Electrical and Electronics Engineers
Citas:
---------- APA ----------
Bruscantini, C.A., Grings, F., Barber, M., Perna, P. & Karszenbaum, H.
(2014)
. A Bayesian approach for a SAC-D/aquarius soil moisture product. 13th Specialist Meeting on Microwave Radiometry and Remote Sensing of the Environment, MicroRad 2014, 1-4.
http://dx.doi.org/10.1109/MicroRad.2014.6878896---------- CHICAGO ----------
Bruscantini, C.A., Grings, F., Barber, M., Perna, P., Karszenbaum, H.
"A Bayesian approach for a SAC-D/aquarius soil moisture product"
. 13th Specialist Meeting on Microwave Radiometry and Remote Sensing of the Environment, MicroRad 2014
(2014) : 1-4.
http://dx.doi.org/10.1109/MicroRad.2014.6878896---------- MLA ----------
Bruscantini, C.A., Grings, F., Barber, M., Perna, P., Karszenbaum, H.
"A Bayesian approach for a SAC-D/aquarius soil moisture product"
. 13th Specialist Meeting on Microwave Radiometry and Remote Sensing of the Environment, MicroRad 2014, 2014, pp. 1-4.
http://dx.doi.org/10.1109/MicroRad.2014.6878896---------- VANCOUVER ----------
Bruscantini, C.A., Grings, F., Barber, M., Perna, P., Karszenbaum, H. A Bayesian approach for a SAC-D/aquarius soil moisture product. Spec. Meet. Microw. Radiom. Rem. Sens. Environ., MicroRad - Proc. 2014:1-4.
http://dx.doi.org/10.1109/MicroRad.2014.6878896