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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Shimabukuro, Y.E. Duarte, V. Arai, E. Freitas, R.M. Martini, P.R. Lima, A. |
| Copyright Year | 2009 |
| Description | Author affiliation: Instituto Nacional de Pesquisas Espaciais (INPE) Av. dos Astronautas, 1758 CEP 12227-010, São José dos Campos, SP, Brazil (Shimabukuro, Y.E.; Duarte, V.; Arai, E.; Freitas, R.M.; Martini, P.R.; Lima, A.) |
| Abstract | This paper presents the use of multitemporal remote sensing data for monitoring land cover changes in Acre State, Brazilian Amazônia. The 2000 Landsat ETM+, the 1990 Landsat TM, and 1980 Landsat MSS were used. The 2005 and 2007 MODIS images were also used to map deforestation occurred during the recent years and to map burned areas occurred in the 2005 dry year. The Landsat and MODIS images were converted to vegetation, soil, and shade fraction images. Then land cover maps were obtained by digital classification of these fraction images. The deforestation increased 7, 114 $km^{2}$ from 1980 to 1990, 4, 900 $km^{2}$ from 1990 to 2000, and 3, 258 $km^{2}$ from 2000 to 2007. It also showed that about 2, 815 $km^{2}$ of regrowth areas were observed in the 2000 ETM+ images. The analysis of MODIS images showed that 3, 700 $km^{2}$ of deforested areas and 2, 800 $km^{2}$ of forested areas were burned in Acre State in 2005. These information are critical for regional and global environmental studies and for efforts to control such burning and deforestation in the future. |
| File Size | 310651 |
| File Format | |
| ISBN | 9781424433940 |
| DOI | 10.1109/IGARSS.2009.5417325 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-07-12 |
| Publisher Place | South Africa |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Remote monitoring Remote sensing Satellites Vegetation mapping MODIS Image converters Pixel Soil Spatial resolution Image generation Amazonia region Landsat data land cover map multitemporal analysis digital classification |
| Content Type | Text |
| Resource Type | Article |
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