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Remote Sensing Letters Volume 12, 2021 - Issue 1
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Research Article

A brief evaluation of the MOD17A2H product over a pasture in northeast Brazil

Rosaria R. Ferreiraa Climate Sciences Post-graduate Program, Federal University of Rio Grande do Norte, Natal, BrazilCorrespondence[email protected]
ORCID Iconhttps://orcid.org/0000-0003-0199-5591
ORCID Icon,
Cláudio M. Santos E Silvaa Climate Sciences Post-graduate Program, Federal University of Rio Grande do Norte, Natal, BrazilORCID Iconhttps://orcid.org/0000-0002-2251-7348
ORCID Icon,
Bergson Bezerraa Climate Sciences Post-graduate Program, Federal University of Rio Grande do Norte, Natal, BrazilORCID Iconhttps://orcid.org/0000-0002-1566-3304
ORCID Icon,
Keila R. Mendesa Climate Sciences Post-graduate Program, Federal University of Rio Grande do Norte, Natal, Brazil
,
Pedro Muttia Climate Sciences Post-graduate Program, Federal University of Rio Grande do Norte, Natal, BrazilORCID Iconhttps://orcid.org/0000-0001-7607-1727
ORCID Icon,
Suany Camposa Climate Sciences Post-graduate Program, Federal University of Rio Grande do Norte, Natal, Brazil
,
Thiago V. Marquesa Climate Sciences Post-graduate Program, Federal University of Rio Grande do Norte, Natal, Brazil
,
Cristiano P. Oliveiraa Climate Sciences Post-graduate Program, Federal University of Rio Grande do Norte, Natal, Brazil
,
Weber Gonçalvesa Climate Sciences Post-graduate Program, Federal University of Rio Grande do Norte, Natal, Brazil
,
Nikolai Espinozab Meteorology Post-graduate Program, Academic Unity of Atmospheric Sciences, Federal University of Campina Grande, Campina Grande, Brazil
,
Gelson Difantec Specialized Academic Unit in Agrarian Sciences, Federal University of Rio Grande do Norte, Macaíba, Brazil
&
Stella A. Urbanoc Specialized Academic Unit in Agrarian Sciences, Federal University of Rio Grande do Norte, Macaíba, Brazil
 show all
Pages 50-57 | Received 26 Aug 2020, Accepted 03 Jan 2021, Published online: 19 Jan 2021
 
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ABSTRACT

This research aims to provide a brief evaluation of remotely sensed estimates in representing gross primary production (GPP) over pasture in the Northeast Region of Brazil. We used GPP data measured in situ during a micrometeorological experiment performed in a pasture area located in the NEB region using the eddy covariance technique. Remotely sensed GPP was obtained through the MOD17A2H product of the Moderate Resolution Imaging Spectroradiometer (MODIS) sensor on board the Terra satellite. We concluded that the MOD17A2H product moderately represents surface-measured GPP in the studied site, highlighting the need for improvements in the quality of the remotely sensed GPP estimates over this type of ecosystem.

Acknowledgments

Thankful to the Coordination for the Improvement of Higher Education Personnel (CAPES) for the scholarship granted to the first author (nº 88887.137587/2017-00).

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