@Article{VianaAlva:2011:VeInPe,
               author = "Viana, Denilson Ribeiro and Alval{\'a}, Regina C{\'e}lia dos 
                         Santos",
          affiliation = "{} and {Instituto Nacional de Pesquisas Espaciais (INPE)}",
                title = "Vegetation index performance for the Pantanal region during both 
                         dry and rainy seasons",
              journal = "Geografia (Rio Claro)",
                 year = "2011",
               volume = "36",
               number = "N{\'u}mero Especial",
                pages = "143--158",
                month = "jun.",
             keywords = "NDVI. EVI. LSWI. Rainfall. TRMM, Precipita{\c{c}}{\~a}o.",
             abstract = "This study aims to evaluate the performance of NDVI, EVI and LSWI 
                         in the Pantanal, considering the main types of land cover and 
                         seasonal rainfall. For this purpose, we used data from MODIS and 
                         TRMM monthly rainfall estimates. For the dry season, results 
                         varied between NDVI (0.4 and 0.8); LSWI (0.0 and 0.4); EVI (0.2 
                         and 0.6). All indices also showed a poor correlation with 
                         rainfall, which was below 0.25. In the rainy season, NDVI 
                         presented the highest values, between 0.6 and 0.8. Only in some 
                         sections of the Evergreen Forest class, LSWI values were higher 
                         than the NDVI. The EVI showed values between 0.2 and 0.5 and the 
                         LSWI showed intermediate values between the NDVI and EVI from 0.2 
                         to 0.7. Although alternating at times, the Savannah (Cerrado) and 
                         Deciduous Tropical Forest (Chaco) classes, LSWI and EVI were very 
                         similar. The NDVI and LSWI showed significant correlations with 
                         rainfall in all land cover classes. The LSWI showed the greatest 
                         amplitude, in all classes, and for both seasons, indicating to be 
                         most suitable for studies in the Pantanal, especially for the 
                         Savannah and Deciduous Tropical Forest classes during the rainy 
                         season, and Evergreen Forest class during the dry season. RESUMO: 
                         Este trabalho avalia o desempenho dos {\'{\i}}ndices de 
                         vegeta{\c{c}}{\~a}o NDVI, EVI e LSWI no Pantanal, considerando 
                         os principais tipos de cobertura da terra e a sazonalidade da 
                         precipita{\c{c}}{\~a}o. Foram utilizados dados do sensor MODIS e 
                         estimativas de precipita{\c{c}}{\~a}o do sat{\'e}lite TRMM. Os 
                         resultados mostraram que, na esta{\c{c}}{\~a}o seca, os valores 
                         de NDVI, LSWI e EVI variaram entre 0,4 e 0,8; 0,0 e 0,4; e 0,2 e 
                         0,6, respectivamente. Todos os {\'{\i}}ndices mostraram baixa 
                         correla{\c{c}}{\~a}o com a precipita{\c{c}}{\~a}o, inferiores 
                         a 0,25. Na esta{\c{c}}{\~a}o chuvosa, o NDVI apresentou os 
                         maiores valores, entre 0,6 e 0,8. Apenas em alguns setores da 
                         classe Floresta Perene, os valores de LSWI superaram os de NDVI. O 
                         EVI apresentou os valores mais baixos, entre 0,2 e 0,5, enquanto o 
                         LSWI apresentou valores intermedi{\'a}rios, entre 0,2 e 0,7. Nas 
                         classes Cerrado e Chaco, o LSWI e o EVI ficaram bastante 
                         pr{\'o}ximos. O NDVI e o LSWI mostraram correla{\c{c}}{\~o}es 
                         significativas com a precipita{\c{c}}{\~a}o em todas as classes 
                         de cobertura. O LSWI apresentou a maior amplitude em ambas {\`a}s 
                         esta{\c{c}}{\~o}es, e em todas as classes, mostrando ser o 
                         {\'{\i}}ndice mais adequado para estudos no Pantanal, 
                         especialmente para as classes Cerrado e Chaco na 
                         esta{\c{c}}{\~a}o chuvosa, e Floresta Perene na 
                         esta{\c{c}}{\~a}o seca.",
                 issn = "0100-7912 and 1983-8700",
                label = "lattes: 5578480499167490 1 VianaAlva:2011:VeInPe",
             language = "en",
           targetfile = "viana.pdf",
        urlaccessdate = "20 maio 2024"
}