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Proceedings Paper

Delimitation and analysis of environmental protection areas in the Paraíba do Sul River Basin in Brazil
Author(s): Jussara de Oliveira Ortiz; Sergio Rosim; Manoel Jimenez Ortiz; João Ricardo de Freitas Oliveira; Rodolfo Morais; Fernando Regis Siqueira
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Paper Abstract

This work establishes a semi-automatic methodology to define and evaluate the Environmental Protection Areas (EPA), in the Paraíba River Basin, Brazil, taking account the land use and the water quality. The development of this work started from the water capitation point of Guaratingueta city located on the stream that runs through the city. From ASTER GDEM data the drainage network and the basin catchment was automatically extracted. Landsat images for the dates of 1989, 2001 and 2014 were digitally classified and the land uses were mapped, considering the area of permanent protection (APP) for drainage, respecting the limits indicated by Brazilian forest code. Scenes from the RapidEye satellite were used to answer questions of classification, due to good image definition. The study showed that in 1989, the total area classified as APP, 37.59% were anthropized, reaching 37.98% in 2001 and 36.98% in 2014. In a few years it was possible to associate data from water quality, measured directly at the capitation. In 2001 the water quality data showed that the intensive use of fertilizers drained into the Guaratingueta stream by rice paddies was seriously affecting the water supply of the municipality. In 2008 measures for water quality at the capitation point showed that the water resources were still impacted by agricultural activities from the rice fields. So, this work indicates the need for revitalization of the APP inside the EPA Guaratingueta in order to meet the law, protect watersheds and also avoid large investments in water treatment arriving for public consumption.

Paper Details

Date Published: 30 October 2014
PDF: 13 pages
Proc. SPIE 9245, Earth Resources and Environmental Remote Sensing/GIS Applications V, 92450S (30 October 2014); doi: 10.1117/12.2067409
Show Author Affiliations
Jussara de Oliveira Ortiz, Instituto Nacional de Pesquisas Espaciais (Brazil)
Sergio Rosim, Instituto Nacional de Pesquisas Espaciais (Brazil)
Manoel Jimenez Ortiz, Geopixel (Brazil)
João Ricardo de Freitas Oliveira, Instituto Nacional de Pesquisas Espaciais (Brazil)
Rodolfo Morais, Instituto Nacional de Pesquisas Espaciais (Brazil)
Fernando Regis Siqueira, Instituto Chico Mendes de Conservação da Biodiversidade (Brazil)


Published in SPIE Proceedings Vol. 9245:
Earth Resources and Environmental Remote Sensing/GIS Applications V
Ulrich Michel; Karsten Schulz, Editor(s)

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