**Author details**

Dieudonne Alemagi1\*, Lalisa Duguma2 , Peter Minang2 , Anderson Kehbila3 , Martin Yemefack4 and Zac Tchoundjeu1

\*Address all correspondence to: D.Alemagi@cgiar.org

1 World Agroforestry Centre Regional Office, Yaoundé, Cameroon

2 World Agroforestry Centre, Nairobi, Kenya

3 International Institute of Tropical Agriculture (IITA), Avenue Haut-Congo, Commune de la Gombe, Kinshasa, Democratic Republic of Congo

4 International Institute of Tropical Agriculture, Yaoundé, Cameroon

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#### **Analysis of Precipitation and Evapotranspiration in Atlantic Rainforest Remnants in Southeastern Brazil from Remote Sensing Data Analysis of Precipitation and Evapotranspiration in Atlantic Rainforest Remnants in Southeastern Brazil from Remote Sensing Data**

Gabriel de Oliveira, Elisabete C. Moraes, Nathaniel A. Brunsell, Yosio E. Shimabukuro, Luiz E.O.C. Aragão, Guilherme A.V. Mataveli and Thiago V. dos Santos Gabriel de Oliveira, Elisabete C. Moraes, Nathaniel A. Brunsell, Yosio E. Shimabukuro, Guilherme A.V. Mataveli and Thiago V. dos Santos Additional information is available at the end of the chapter

Additional information is available at the end of the chapter

http://dx.doi.org/10.5772/64533

#### **Abstract**

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Article ID 890850.

The Atlantic Rainforest has been intensely devastated since the beginning of the colonization of Brazil, mainly due to wood extraction and urban and rural settlement. Although the Atlantic Rainforest has been reduced and fragmented, its remnants are important sources of heat and water vapor to the atmosphere. The present study aimed to characterize and to analyze the temporal dynamics of precipitation and evapotrans‐ piration in the Atlantic Rainforest remnants in São Paulo state, southeastern Brazil, for the period from January 2000 to December 2010. To achieve this, global precipitation and evapotranspiration data from TRMM satellite and MOD16 algorithm as well as forest remnant maps produced by SOS Mata Atlântica Foundation and Brazilian National Institute for Space Research (INPE) were used. Results found in this study demonstrated that the use of remote sensing was an important tool for analyzing hydrological variables in Atlantic Rainforest remnants, which can contribute to better understand the interaction between tropical forests and the atmosphere, and for generating input data necessary for surface models coupled to atmospheric general circulation models.

**Keywords:** hydrological variables, Atlantic Rainforest, South America, TRMM, MOD16, remote sensing

© 2016 The Author(s). Licensee InTech. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. © 2016 The Author(s). Licensee InTech. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
