@InProceedings{SousaJúniorSausLacr:2011:MoEsRe,
               author = "Sousa J{\'u}nior, Manoel de Ara{\'u}jo and Sausen, Tania Maria 
                         and Lacruz, Mar{\'{\i}}a Silvia Pardi",
          affiliation = "{Universidade Federal de Santa Maria - UFSM} and {Instituto 
                         Nacional de Pesquisas Espaciais - INPE} and {Instituto Nacional de 
                         Pesquisas Espaciais - INPE}",
                title = "Monitoramento de estiagem na regi{\~a}o Sul do Brasil utilizando 
                         dados ENVI/MODIS no per{\'{\i}}odo de dezembro de 2000 a junho 
                         de 2009",
            booktitle = "Anais...",
                 year = "2011",
               editor = "Epiphanio, Jos{\'e} Carlos Neves and Galv{\~a}o, L{\^e}nio 
                         Soares",
                pages = "5901--5908",
         organization = "Simp{\'o}sio Brasileiro de Sensoriamento Remoto, 15. (SBSR).",
            publisher = "Instituto Nacional de Pesquisas Espaciais (INPE)",
              address = "S{\~a}o Jos{\'e} dos Campos",
             keywords = "EVI/MODIS images, drougth monitoring, Standarize Vegetation Index, 
                         Brazilian Southern region, imagens EVI/MODIS, monitoramento de 
                         estiagem, {\'{\i}}ndice de vegeta{\c{c}}{\~a}o padronizado, 
                         regi{\~a}o Sul do Brasil.",
             abstract = "During the past ten years the south of Brazil, which has its 
                         economy based on agropecuary, has suffered severe drought events, 
                         affecting the economy of the region. The objective of this study 
                         is to propose a methodology to monitor the occurrence of drought 
                         in the Brazilian Southern region using vegetation index images. To 
                         analyze and quantify the effect of these events were collected 392 
                         EVI/MODIS images and generated 196 mosaics for the period of 
                         December 2000 to June 2009, considering the four seasons. In order 
                         to calculate the vegetation anomaly images it was used the 
                         Standardized Vegetation Index SVI. The results proved the 
                         methodology and the EVI/MODIS images are useful for drought 
                         monitoring. The two most important drought periods in the 
                         Brazilian Southern region were the summer and autumn of 2005 and 
                         2009. In these two years in the summer the region faced drought of 
                         high intensity that was followed by a drought of medium intensity 
                         in the fall. As a consequence the region was affected by this kind 
                         of disaster during at least six months. The affected area covered 
                         26.64% of the region (156,564 km2) in 2005 and 28.55% (163,871 
                         km2) in 2009. The use of remote sensing was essential for this 
                         study due to the frequency of data availability, the quickness to 
                         process the information for such large area, as well as the 
                         possibility of the continuous monitoring of the region.",
  conference-location = "Curitiba",
      conference-year = "30 abr. - 5 maio 2011",
                 isbn = "{978-85-17-00056-0 (Internet)} and {978-85-17-00057-7 (DVD)}",
             language = "pt",
         organisation = "Instituto Nacional de Pesquisas Espaciais (INPE)",
                  ibi = "3ERPFQRTRW/3A58ACE",
                  url = "http://urlib.net/ibi/3ERPFQRTRW/3A58ACE",
           targetfile = "p0795.pdf",
                 type = "Meteorologia, Atmosfera e Agrometeorologia",
        urlaccessdate = "16 jun. 2024"
}