@InProceedings{SousaHilkMour:2015:ReSePh,
               author = "Sousa, Celio Helder Resende de and Hilker, Thomas and Moura, 
                         Yhasmin Mendes de",
          affiliation = "{} and {} and {Instituto Nacional de Pesquisas Espaciais (INPE)}",
                title = "Remote sensing of photosynthetic light use efficiency of tropical 
                         ecosystems",
            booktitle = "Anais...",
                 year = "2015",
               editor = "Gherardi, Douglas Francisco Marcolino and Arag{\~a}o, Luiz 
                         Eduardo Oliveira e Cruz de",
                pages = "4762--4769",
         organization = "Simp{\'o}sio Brasileiro de Sensoriamento Remoto, 17. (SBSR)",
            publisher = "Instituto Nacional de Pesquisas Espaciais (INPE)",
              address = "S{\~a}o Jos{\'e} dos Campos",
             abstract = "Tropical ecosystems play major roles in the global carbon, water 
                         and energy cycles and, as a result, in global climate. The broad 
                         goal of this research is to monitor changes in plant physiological 
                         parameters, including status of pigments, and water use in 
                         connection with drought events in such ecosystems. Specifically, 
                         we focus on stress related changes in photosynthetic activity and 
                         monitoring of vegetation decline following major stress events by 
                         inferring light use efficiency (\ε) from measurements of 
                         reflectance from the MODIS data. To address our objective, we 
                         inferred light use efficiency (\ε) from measurements of 
                         reflectance from the MODIS data from 2000 to 2012. Our results 
                         showed clear seasonality of light use efficiency over tropical 
                         forests. Lower values of PRI were found during the driest months 
                         of the year (July, August and September). We also conducted an 
                         exploratory analysis to assess the potential climate variables 
                         that might drive the changes in photosynthetic activity in the 
                         Amazon. We were also able to demonstrate close links between 
                         changes in the Photochemical Reflectance Index temperature and 
                         precipitation.",
  conference-location = "Jo{\~a}o Pessoa",
      conference-year = "25-29 abr. 2015",
                 isbn = "978-85-17-0076-8",
                label = "931",
             language = "en",
         organisation = "Instituto Nacional de Pesquisas Espaciais (INPE)",
                  ibi = "8JMKD3MGP6W34M/3JM4D8P",
                  url = "http://urlib.net/ibi/8JMKD3MGP6W34M/3JM4D8P",
           targetfile = "p0931.pdf",
                 type = "Floresta e vegeta{\c{c}}{\~a}o",
        urlaccessdate = "27 abr. 2024"
}