Search Results - "Egídio Arai"

Atmospheric CO 2 inversion reveals the Amazon as a minor carbon source caused by fire emissions, with forest uptake offsetting about half of these emissions by Basso, Luana S., Wilson, Chris, Chipperfield, Martyn P., Tejada, Graciela, Cassol, Henrique L. G., Arai, Egídio, Williams, Mathew, Smallman, T. Luke, Peters, Wouter, Naus, Stijn, Miller, John B., Gloor, Manuel

“…Tropical forests such as the Amazonian rainforests play an important role for climate, are large carbon stores and are a treasure of biodiversity. Amazonian…”
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Disentangling the contribution of multiple land covers to fire-mediated carbon emissions in Amazonia during the 2010 drought by Anderson, Liana Oighenstein, Aragão, Luiz E. O. C., Gloor, Manuel, Arai, Egídio, Adami, Marcos, Saatchi, Sassan S., Malhi, Yadvinder, Shimabukuro, Yosio E., Barlow, Jos, Berenguer, Erika, Duarte, Valdete

“…In less than 15 years, the Amazon region experienced three major droughts. Links between droughts and fires have been demonstrated for the 1997/1998, 2005, and…”
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Large-scale heterogeneity of Amazonian phenology revealed from 26-year long AVHRR/NDVI time-series by Silva, Fabrício B, Shimabukuro, Yosio E, Aragão, Luiz E O C, Anderson, Liana O, Pereira, Gabriel, Cardozo, Franciele, Arai, Egídio

“…Depiction of phenological cycles in tropical forests is critical for an understanding of seasonal patterns in carbon and water fluxes as well as the responses…”
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A Multi-Resolution Multi-Temporal Technique for Detecting and Mapping Deforestation in the Brazilian Amazon Rainforest by Arai, Egídio, Shimabukuro, Yosio E., Pereira, Gabriel, Vijaykumar, Nandamudi L.

“…The analysis of rapid environment changes requires orbital sensors with high frequency of data acquisition to minimize cloud interference in the study of…”
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Modelo Linear de Mistura Espectral: Conceitos Teóricos, Algoritmos e Aplicações em Estudos na Amazônia Legal by Shimabukuro, Yosio Edemir, Dutra, Andeise Cerqueira, Arai, Egídio

“…Este trabalho apresenta uma revisão sobre o Modelo Linear de Mistura Espectral e suas aplicações na Amazônia Legal. Os estudos sobre mistura espectral…”
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Amazonia as a carbon source linked to deforestation and climate change by Gatti, Luciana V., Basso, Luana S., Miller, John B., Gloor, Manuel, Gatti Domingues, Lucas, Cassol, Henrique L. G., Tejada, Graciela, Aragão, Luiz E. O. C., Nobre, Carlos, Peters, Wouter, Marani, Luciano, Arai, Egidio, Sanches, Alber H., Corrêa, Sergio M., Anderson, Liana, Von Randow, Celso, Correia, Caio S. C., Crispim, Stephane P., Neves, Raiane A. L.

“…Amazonia hosts the Earth’s largest tropical forests and has been shown to be an important carbon sink over recent decades 1 – 3 . This carbon sink seems to be…”
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21st Century drought-related fires counteract the decline of Amazon deforestation carbon emissions by Aragão, Luiz E. O. C., Anderson, Liana O., Fonseca, Marisa G., Rosan, Thais M., Vedovato, Laura B., Wagner, Fabien H., Silva, Camila V. J., Silva Junior, Celso H. L., Arai, Egidio, Aguiar, Ana P., Barlow, Jos, Berenguer, Erika, Deeter, Merritt N., Domingues, Lucas G., Gatti, Luciana, Gloor, Manuel, Malhi, Yadvinder, Marengo, Jose A., Miller, John B., Phillips, Oliver L., Saatchi, Sassan

“…Tropical carbon emissions are largely derived from direct forest clearing processes. Yet, emissions from drought-induced forest fires are, usually, not…”
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Corrigendum: Large-scale heterogeneity of Amazonian phenology revealed from 26-year long AVHRR/NDVI time-series by Silva, Fabrício B, Shimabukuro, Yosio E, Aragão, Luiz E O C, Anderson, Liana O, Pereira, Gabriel, Cardozo, Franciele, Arai, Egídio

“…The full text of this article is available in the PDF provided…”
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Cropland expansion changes deforestation dynamics in the southern Brazilian Amazon by Morton, D.C, DeFries, R.S, Shimabukuro, Y.E, Anderson, L.O, Arai, E, Espirito-Santo, F. del B, Freitas, R, Morisette, J

“…Intensive mechanized agriculture in the Brazilian Amazon grew by >3.6 million hectares (ha) during 2001-2004. Whether this cropland expansion resulted from…”
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Amazon methane budget derived from multi-year airborne observations highlights regional variations in emissions by Basso, Luana S., Marani, Luciano, Gatti, Luciana V., Miller, John B., Gloor, Manuel, Melack, John, Cassol, Henrique L. G., Tejada, Graciela, Domingues, Lucas G., Arai, Egidio, Sanchez, Alber H., Corrêa, Sergio M., Anderson, Liana, Aragão, Luiz E. O. C., Correia, Caio S. C., Crispim, Stephane P., Neves, Raiane A. L.

“…Atmospheric methane concentrations were nearly constant between 1999 and 2006, but have been rising since by an average of ~8 ppb per year. Increases in…”
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Potential utilization of satellite remote sensing for field-based agricultural studies by Jindo, Keiji, Kozan, Osamu, Iseki, Kohtaro, Maestrini, Bernardo, van Evert, Frits K., Wubengeda, Yilma, Arai, Egidio, Shimabukuro, Yosio Edemir, Sawada, Yoshito, Kempenaar, Corné

“…Using satellite remote-sensing is a useful approach for agriculture to monitor plant and soil conditions and provide decision-making support to farmers…”
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Mapping Burned Areas of Mato Grosso State Brazilian Amazon Using Multisensor Datasets by Shimabukuro, Yosio Edemir, Dutra, Andeise Cerqueira, Arai, Egidio, Duarte, Valdete, Cassol, Henrique Luís Godinho, Pereira, Gabriel, Cardozo, Francielle da Silva

“…Quantifying forest fires remain a challenging task for the implementation of public policies aimed to mitigate climate change. In this paper, we propose a new…”
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Determining a Threshold to Delimit the Amazonian Forests from the Tree Canopy Cover 2000 GFC Data by Gasparini, Kaio Allan Cruz, Silva Junior, Celso Henrique Leite, Shimabukuro, Yosio Edemir, Arai, Egidio, Aragão, Luiz Eduardo Oliveira Cruz E, Silva, Carlos Alberto, Marshall, Peter L

“…Open global forest cover data can be a critical component for Reducing Emissions from Deforestation and Forest Degradation (REDD+) policies. In this work, we…”
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Assessment of Burned Areas during the Pantanal Fire Crisis in 2020 Using Sentinel-2 Images by Shimabukuro, Yosio Edemir, de Oliveira, Gabriel, Pereira, Gabriel, Arai, Egidio, Cardozo, Francielle, Dutra, Andeise Cerqueira, Mataveli, Guilherme

“…The Pantanal biome—a tropical wetland area—has been suffering a prolonged drought that started in 2019 and peaked in 2020. This favored the occurrence of…”
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Discriminating Land Use and Land Cover Classes in Brazil Based on the Annual PROBA-V 100 m Time Series by Shimabukuro, Yosio Edemir, Arai, Egidio, Duarte, Valdete, Dutra, Andeise Cerqueira, Cassol, Henrique Luis Godinho, Sano, Edson Eyji, Hoffmann, Tania Beatriz

“…Brazil, with more than 8 million km 2 , presents six different biomes, ranging from natural grasslands (Pampa biome) to tropical rainfall forests (Amazônia…”
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Vegetation Fraction Images Derived from PROBA-V Data for Rapid Assessment of Annual Croplands in Brazil by Arai, Egidio, Eyji Sano, Edson, Dutra, Andeise Cerqueira, Cassol, Henrique Luis Godinho, Hoffmann, Tânia Beatriz, Shimabukuro, Yosio Edemir

“…This paper presents a new method for rapid assessment of the extent of annual croplands in Brazil. The proposed method applies a linear spectral mixing model…”
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Mapping Land Use and Land Cover Classes in São Paulo State, Southeast of Brazil, Using Landsat-8 OLI Multispectral Data and the Derived Spectral Indices and Fraction Images by Yosio E. Shimabukuro, Egidio Arai, Gabriel M. da Silva, Tânia B. Hoffmann, Valdete Duarte, Paulo R. Martini, Andeise Cerqueira Dutra, Guilherme Mataveli, Henrique L. G. Cassol, Marcos Adami

“…This work aims to develop a new method to map Land Use and Land Cover (LULC) classes in the São Paulo State, Brazil, using Landsat-8 Operational Land Imager…”
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Mapping and Monitoring Forest Plantations in São Paulo State, Southeast Brazil, Using Fraction Images Derived from Multiannual Landsat Sensor Images by Yosio E. Shimabukuro, Egidio Arai, Gabriel M. da Silva, Andeise C. Dutra, Guilherme Mataveli, Valdete Duarte, Paulo R. Martini, Henrique L. G. Cassol, Danilo S. Ferreira, Luís R. Junqueira

“…This article presents a method, based on orbital remote sensing, to map the extent of forest plantations in São Paulo State (Southeast Brazil). The proposed…”
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Post-Fire Changes in Forest Biomass Retrieved by Airborne LiDAR in Amazonia by Sato, Luciane Yumie, Gomes, Vitor Conrado Faria, Shimabukuro, Yosio Edemir, Keller, Michael, Arai, Egidio, dos-Santos, Maiza Nara, Brown, Irving Foster, Cruz de Aragao, Luiz Eduardo Oliveira

“…Fire is one of the main factors directly impacting Amazonian forest biomass and dynamics. Because of Amazonia's large geographical extent, remote sensing…”
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CO2 emissions in the Amazon: are bottom-up estimates from land use and cover datasets consistent with top-down estimates based on atmospheric measurements? by Tejada, Graciela, Gatti, Luciana V., Basso, Luana S., Cassol, Henrique L. G., Silva-Junior, Celso H. L., Mataveli, Guilherme, Marani, Luciano, Arai, Egidio, Gloor, Manuel, Miller, John B., Cunha, Camilla L., Domingues, Lucas G., Ipia, Alber, Correia, Caio S. C., Crispim, Stephane P., Neves, Raiane A. L., Von Randow, Celso

“…Amazon forests are the largest forests in the tropics and play a fundamental role for regional and global ecosystem service provision. However, they are under…”
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