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Satellite estimates of marine net community production in the South Atlantic oligotrophic gyre from Sentinel-3

Grant number: 16/50221-1
Support type:Research Program on Global Climate Change - Regular Grants
Duration: February 01, 2017 - January 31, 2019
Field of knowledge:Physical Sciences and Mathematics - Geosciences
Cooperation agreement: NERC, UKRI
Principal researcher:Enner Herenio de Alcântara
Grantee:Enner Herenio de Alcântara
Principal researcher abroad: Timothy Smyth
Institution abroad: Plymouth University, England
Home Institution: Instituto de Ciência e Tecnologia (ICT). Universidade Estadual Paulista (UNESP). Campus de São José dos Campos. São José dos Campos , SP, Brazil

Abstract

The project has the following objectives: 1. The purpose of this work will be firstly to evaluate the accuracy of Level 2 Reflectance & Chlorophyll-a (Chia) Products from S-3 Ocean and Land Colour Instrument using in situ data collected in the South Atlantic Ocean on the Atlantic Meridional Transect and along the Brazilian coast by National Institute for Space Research, Brazil (INPE), University of Sao Paulo (USP) and State University of Sao Paulo (UNESP). 2. Using the most accurate S-3 Chia product to derive primary production (PP), a preliminary assessment of algorithms to predict Net Community Production (NCP) along the Brazilian coast and in the South Atlantic Gyre will then be conducted. INPE/USP/UNESP have tested different ocean colour PP model which we will be compared those developed at PML. 3. The NCP algorithm will be applied to S-3 data to make a preliminary assessment of the role of the South Atlantic Gyre as a CO2 sink or source, to or from the atmosphere. (AU)

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