Arctic Sea Surface Salinity Retrieval from Smos Measures

IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2019), 28 July - 2 August 2019, Yokohama, Japan.-- 4 pages, 5 figures Arctic freshwater fluxes make this region key to regulate ocean currents and global climate. Hence, the Arctic Ocean sea surface salinity (SSS) knowledge is crucia...

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Bibliographic Details
Published in:IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium
Main Authors: Martínez, Justino, Gabarró, Carolina, Olmedo, Estrella, González Gambau, Verónica, Turiel, Antonio, González-Haro, Cristina, Sabia, Roberto, Tang, Wenqing, Yueh, Simon
Format: Book Part
Language:unknown
Published: Institute of Electrical and Electronics Engineers 2019
Subjects:
Sea surface salinity
Arctic
SMOS
Remote sensing
Big data
Arctic Ocean
Online Access:http://hdl.handle.net/10261/205493
https://doi.org/10.1109/IGARSS.2019.8898773
Description
Summary:IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2019), 28 July - 2 August 2019, Yokohama, Japan.-- 4 pages, 5 figures Arctic freshwater fluxes make this region key to regulate ocean currents and global climate. Hence, the Arctic Ocean sea surface salinity (SSS) knowledge is crucial to describe some of the processes that govern climate change.Recently, Barcelona Expert Center (BEC) deployed their version 2 of SSS Arctic data retrieved from Soil Moisture and Ocean Salinity mission (SMOS) mission. Nevertheless, in the context of the ESA Arctic+ initiative, BEC has planned to introduce improvements in all the processing levels. Some of the planned improvements include: (i) optimizing the projection grid of level 1, (ii) studying the performance of different dielectric models in the Artic region and (iii) producing an additional level 4 product. The SSS Arctic products from Soil Moisture Active Passive (SMAP) mission could be used to produce a level 4 by merging them with this new version of SSS level 3 produced from SMOS.Big data techniques are applied to produce debiased SSS maps. These techniques will be refined by introducing a new grouping method for the statistical study of the data.The aim of this work is to obtain a more accurate version of the Arctic salinity maps starting at 2011. The new SMOS SSS maps are expected to better capture the Arctic river plumes and thus they will help to better understand the freshwater inflow/outflow in the Arctic Ocean

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