ALERT SYSTEM FOR ALGAE BLOOM DETECTION IN INLAND WATERS OF LATIN AMERICA: AN ONGOING PROJECT

F. L. Lobo, G. Nagel, D. A. Maciel, A. Ferral, A. German, L. S. Carvalho, V. Martins, C. C.F. Barbosa, E. M. Novo, M. Fernandez, V. Fernandez, J. S. Yunes, G. L. Collares, S. Greb, G. Beltramone, L. Piedra-Castro, W. Pereira Filho, E. Montoya, M. Scavuzzo, M. S. SanchezM. Shimoni

Research output: UNPUBLISHED contribution to conferencePaperpeer-review

Abstract

As part of a collaborative effort among researchers of several institutions and organizations, this project takes advantage of the Google Earth Engine (GEE) cloud computing environment to map algae bloom over the main water bodies and reservoirs of Latin America using Sentinel-2 imagery (2015 to present). The methodology based on the Normalized Difference Chlorophyll Index (NDCI) for chlorophyll-a and Trophic State Index (TSI) detection provided promising results. NDCI responds well to high levels of chlorophyll-a and, therefore, can be used as an indicator for algae blooms. The image processing as well as the display of maps and charts are being implemented into a GEE App to be freely available for general public use.

Original languageEnglish
Pages72-75
Number of pages4
DOIs
Publication statusPublished - 2021
Event2021 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2021 - Brussels, Belgium
Duration: 12 Jul 202116 Jul 2021

Conference

Conference2021 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2021
Country/TerritoryBelgium
CityBrussels
Period12/07/2116/07/21

Keywords

  • Google Engine App
  • NDCI
  • Sentinel-2

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