About the Optimal Grid for SMOS Level 1C and Level 2 Products

About the Optimal Grid for SMOS Level 1C and Level 2 Products

5 pages, 7 figures, 2 tables.-- © 2015IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

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Main Authors: Talone, Marco, Portabella, Marcos, Martínez, Justino, González Gambau, Verónica
Format: artículo biblioteca
Published: Institute of Electrical and Electronics Engineers
Online Access:http://hdl.handle.net/10261/126903
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spelling dig-icm-es-10261-1269032021-07-21T11:59:53Z About the Optimal Grid for SMOS Level 1C and Level 2 Products Talone, Marco Portabella, Marcos Martínez, Justino González Gambau, Verónica 5 pages, 7 figures, 2 tables.-- © 2015IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. Remotely sensed measurements acquired by the European Space Agency's Soil Moisture and Ocean Salinity (SMOS) satellite are processed in a uniform equal-area grid, the Icosahedral Snyder Equal Area (ISEA) 4H9. Brightness temperature measurements are projected onto that grid (the so-called Level 1C), as well as sea surface salinity and soil moisture estimates (Level 2). The ISEA grid has been chosen for its characteristics of equal area and almost uniform intercell spacing. Nevertheless, when considering the SMOS viewing geometry, the measurement footprint size, and the processing applied to those measurements, this choice may be revisited. With this objective, the ISEA 4H9 grid is compared to other equal-area grids with different sizes and orientations with respect to the satellite track. The best configuration resulted to be a 25-km-width grid symmetrical with respect to satellite track. This grid appeared to be better suited for improving SMOS Level 2 retrieval algorithms as well as to serve as input for higher level data production, since it best accounts for the instrument's viewing geometry and substantially reduces the correlation between adjacent grid cells Peer Reviewed 2015-08 2015-12-15T12:13:46Z artículo http://purl.org/coar/resource_type/c_6501 issn: 1545-598X IEEE Geoscience and Remote Sensing Letters 12(8): 1630-1634 (2015) http://hdl.handle.net/10261/126903 10.1109/LGRS.2015.2416920 http://doi.org/10.1109/LGRS.2015.2416920 Sí open Institute of Electrical and Electronics Engineers
institution ICM ES
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country España
countrycode ES
component Bibliográfico
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databasecode dig-icm-es
tag biblioteca
region Europa del Sur
libraryname Biblioteca del ICM España
description 5 pages, 7 figures, 2 tables.-- © 2015IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
format artículo
author Talone, Marco
Portabella, Marcos
Martínez, Justino
González Gambau, Verónica
spellingShingle Talone, Marco
Portabella, Marcos
Martínez, Justino
González Gambau, Verónica
About the Optimal Grid for SMOS Level 1C and Level 2 Products
author_facet Talone, Marco
Portabella, Marcos
Martínez, Justino
González Gambau, Verónica
author_sort Talone, Marco
title About the Optimal Grid for SMOS Level 1C and Level 2 Products
title_short About the Optimal Grid for SMOS Level 1C and Level 2 Products
title_full About the Optimal Grid for SMOS Level 1C and Level 2 Products
title_fullStr About the Optimal Grid for SMOS Level 1C and Level 2 Products
title_full_unstemmed About the Optimal Grid for SMOS Level 1C and Level 2 Products
title_sort about the optimal grid for smos level 1c and level 2 products
publisher Institute of Electrical and Electronics Engineers
url http://hdl.handle.net/10261/126903
work_keys_str_mv AT talonemarco abouttheoptimalgridforsmoslevel1candlevel2products
AT portabellamarcos abouttheoptimalgridforsmoslevel1candlevel2products
AT martinezjustino abouttheoptimalgridforsmoslevel1candlevel2products
AT gonzalezgambauveronica abouttheoptimalgridforsmoslevel1candlevel2products
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