Análise do Sequestro de Carbono em Áreas de Caatinga do Semiárido Pernambucano
Resumo Diante do aumento das emissões dos gases do efeito estufa, o presente estudo analisou o sequestro de carbono em áreas de caatinga do município de Petrolina – PE, por meio de técnicas de sensoriamento remoto. Foram utilizadas imagens do sensor MODIS, referentes ao produto MOD17, o qual contém...
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description | Resumo Diante do aumento das emissões dos gases do efeito estufa, o presente estudo analisou o sequestro de carbono em áreas de caatinga do município de Petrolina – PE, por meio de técnicas de sensoriamento remoto. Foram utilizadas imagens do sensor MODIS, referentes ao produto MOD17, o qual contém a estimativa da Produção primária bruta (GPP) e da Produção primária líquida (NPP). A coleta das imagens ocorreu para os anos de 2011 e 2012. No período chuvoso, as áreas de caatinga preservada apresentaram maiores valores de assimilação total (até 160 g C/m2 em janeiro de 2011) e sequestro de carbono, enquanto no final do período seco foram registrados valores inferiores a 20 g C/m2. Quanto ao total anual, em 2011 as áreas de caatinga preservada juntamente com a agricultura irrigada apresentaram os maiores valores de GPP (> 900 g C/m2), enquanto que em 2012 a GPP das áreas de caatinga variaram, em geral, de 500 a 600 g C/m2, com algumas áreas chegando a 700 g C/m2. A NPP, ou seja, o sequestro de carbono, variou de 500 a 700 g C/m2 em 2011 e de 100 a 400 g C/m2 em 2012. Desse modo, são necessárias medidas e elaboração de instrumentos políticos que visem à preservação dos remanescentes de caatinga do município de Petrolina, como forma de contribuir com mitigação do aquecimento global.
Abstract Given the increasing emissions of greenhouse gases, the present study analyzed the carbon sequestration in savanna areas of the city of Petrolina - PE, via remote sensing techniques. Images from the MODIS sensor, for the product MOD17, which contains an estimated gross primary production (GPP) and net primary production (NPP). The collection of images was for the years 2011 and 2012. During the rainy season, the preserved savanna areas had higher overall assimilation of values (up to 160 g C/m in January 2011) and carbon sequestration, however the dry season stood out areas of irrigated agriculture. As the annual total in 2011 the areas of savanna preserved along with irrigated agriculture had the highest GPP values (> 900 g C/m2), while in 2012 the GPP of savanna areas ranged generally from 500 to 600 g C/m2, with some areas reaching 700 g C/m2. The NPP, ie carbon sequestration, ranged 500-600 g C/m2 in 2011 and 400 g C/m2 in 2012. Thus, measures are needed and development of policy instruments aimed at the conservation of remaining to scrub the city of Petrolina, in order to contribute to mitigating global warming. |
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Abstract Given the increasing emissions of greenhouse gases, the present study analyzed the carbon sequestration in savanna areas of the city of Petrolina - PE, via remote sensing techniques. Images from the MODIS sensor, for the product MOD17, which contains an estimated gross primary production (GPP) and net primary production (NPP). The collection of images was for the years 2011 and 2012. During the rainy season, the preserved savanna areas had higher overall assimilation of values (up to 160 g C/m in January 2011) and carbon sequestration, however the dry season stood out areas of irrigated agriculture. As the annual total in 2011 the areas of savanna preserved along with irrigated agriculture had the highest GPP values (> 900 g C/m2), while in 2012 the GPP of savanna areas ranged generally from 500 to 600 g C/m2, with some areas reaching 700 g C/m2. The NPP, ie carbon sequestration, ranged 500-600 g C/m2 in 2011 and 400 g C/m2 in 2012. Thus, measures are needed and development of policy instruments aimed at the conservation of remaining to scrub the city of Petrolina, in order to contribute to mitigating global warming.</description><identifier>ISSN: 0102-7786</identifier><identifier>ISSN: 1982-4351</identifier><identifier>EISSN: 1982-4351</identifier><identifier>DOI: 10.1590/0102-7786324007</identifier><language>eng ; por</language><publisher>Rio de Janeiro: Sociedade Brasileira de Meteorologia</publisher><subject>Agriculture ; Carbon ; Carbon sequestration ; Climate change ; Conservation ; Dry season ; Environmental policy ; Gases ; Global warming ; Greenhouse effect ; Greenhouse gases ; Instruments ; MODIS ; mudanças climáticas ; Ocean circulation ; Plankton ; Primary production ; Rainy season ; Remote sensing ; Remote sensing techniques ; Remote sensors ; semiárido ; Sensing techniques ; sensoriamento remoto ; Sensors ; sequestro de carbono ; vegetação ; Wet season</subject><ispartof>Revista Brasileira de Meteorologia, 2017-12, Vol.32 (4), p.585-599</ispartof><rights>Copyright Sociedade Brasileira de Meteorologia Oct-Dec 2017</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c243t-2a427047ef5b9bbe883d521adf1285a9f28a9a905257103409c55dcd294e17bd3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,864,27922,27923</link.rule.ids></links><search><creatorcontrib>Brito Morais, Ygor Cristiano</creatorcontrib><creatorcontrib>Bezerra de Araújo, Maria do Socorro</creatorcontrib><creatorcontrib>de Moura, Magna Soelma Beserra</creatorcontrib><creatorcontrib>Galvíncio, Josiclêda Domiciano</creatorcontrib><creatorcontrib>de Queiroga Miranda, Rodrigo</creatorcontrib><title>Análise do Sequestro de Carbono em Áreas de Caatinga do Semiárido Pernambucano</title><title>Revista Brasileira de Meteorologia</title><description>Resumo Diante do aumento das emissões dos gases do efeito estufa, o presente estudo analisou o sequestro de carbono em áreas de caatinga do município de Petrolina – PE, por meio de técnicas de sensoriamento remoto. Foram utilizadas imagens do sensor MODIS, referentes ao produto MOD17, o qual contém a estimativa da Produção primária bruta (GPP) e da Produção primária líquida (NPP). A coleta das imagens ocorreu para os anos de 2011 e 2012. No período chuvoso, as áreas de caatinga preservada apresentaram maiores valores de assimilação total (até 160 g C/m2 em janeiro de 2011) e sequestro de carbono, enquanto no final do período seco foram registrados valores inferiores a 20 g C/m2. Quanto ao total anual, em 2011 as áreas de caatinga preservada juntamente com a agricultura irrigada apresentaram os maiores valores de GPP (> 900 g C/m2), enquanto que em 2012 a GPP das áreas de caatinga variaram, em geral, de 500 a 600 g C/m2, com algumas áreas chegando a 700 g C/m2. A NPP, ou seja, o sequestro de carbono, variou de 500 a 700 g C/m2 em 2011 e de 100 a 400 g C/m2 em 2012. Desse modo, são necessárias medidas e elaboração de instrumentos políticos que visem à preservação dos remanescentes de caatinga do município de Petrolina, como forma de contribuir com mitigação do aquecimento global.
Abstract Given the increasing emissions of greenhouse gases, the present study analyzed the carbon sequestration in savanna areas of the city of Petrolina - PE, via remote sensing techniques. Images from the MODIS sensor, for the product MOD17, which contains an estimated gross primary production (GPP) and net primary production (NPP). The collection of images was for the years 2011 and 2012. During the rainy season, the preserved savanna areas had higher overall assimilation of values (up to 160 g C/m in January 2011) and carbon sequestration, however the dry season stood out areas of irrigated agriculture. As the annual total in 2011 the areas of savanna preserved along with irrigated agriculture had the highest GPP values (> 900 g C/m2), while in 2012 the GPP of savanna areas ranged generally from 500 to 600 g C/m2, with some areas reaching 700 g C/m2. The NPP, ie carbon sequestration, ranged 500-600 g C/m2 in 2011 and 400 g C/m2 in 2012. Thus, measures are needed and development of policy instruments aimed at the conservation of remaining to scrub the city of Petrolina, in order to contribute to mitigating global warming.</description><subject>Agriculture</subject><subject>Carbon</subject><subject>Carbon sequestration</subject><subject>Climate change</subject><subject>Conservation</subject><subject>Dry season</subject><subject>Environmental policy</subject><subject>Gases</subject><subject>Global warming</subject><subject>Greenhouse effect</subject><subject>Greenhouse gases</subject><subject>Instruments</subject><subject>MODIS</subject><subject>mudanças climáticas</subject><subject>Ocean circulation</subject><subject>Plankton</subject><subject>Primary production</subject><subject>Rainy season</subject><subject>Remote sensing</subject><subject>Remote sensing techniques</subject><subject>Remote sensors</subject><subject>semiárido</subject><subject>Sensing techniques</subject><subject>sensoriamento remoto</subject><subject>Sensors</subject><subject>sequestro de carbono</subject><subject>vegetação</subject><subject>Wet season</subject><issn>0102-7786</issn><issn>1982-4351</issn><issn>1982-4351</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>DOA</sourceid><recordid>eNpFUctOwzAQtBBIlMKZayTOoX7G9rGqeFSqBAg4W-vYqVIlcbHbA0c-pd_SHyNtUDntanY0q5lB6JbgeyI0nmCCaS6lKhjlGMszNCJa0ZwzQc7R6HS9RFcprTAuMCnECL1Nu_2uqZPPXMje_dfWp00MmfPZDKINXch8m-1_ooc0gLCpuyUM7Lbe72Ldr68-dtDabQlduEYXFTTJ3_zNMfp8fPiYPeeLl6f5bLrIS8rZJqfAqcRc-kpYba1XijlBCbiKUCVAV1SBBo0FFZJgxrEuhXClo5p7Iq1jYzQfdF2AlVnHuoX4bQLU5giEuDQQN3XZeOOUFgUwiovKcqtK0AQKBa6wwhXKql7rbtBax3CMwKzCtrfUJEO0FkRLJVnPmgysMoaUoq9OXwk2hw7MIWXz3wH7Be1AeP4</recordid><startdate>20171201</startdate><enddate>20171201</enddate><creator>Brito Morais, Ygor Cristiano</creator><creator>Bezerra de Araújo, Maria do Socorro</creator><creator>de Moura, Magna Soelma Beserra</creator><creator>Galvíncio, Josiclêda Domiciano</creator><creator>de Queiroga Miranda, Rodrigo</creator><general>Sociedade Brasileira de Meteorologia</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7TG</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>H97</scope><scope>KL.</scope><scope>L.G</scope><scope>DOA</scope></search><sort><creationdate>20171201</creationdate><title>Análise do Sequestro de Carbono em Áreas de Caatinga do Semiárido Pernambucano</title><author>Brito Morais, Ygor Cristiano ; 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Foram utilizadas imagens do sensor MODIS, referentes ao produto MOD17, o qual contém a estimativa da Produção primária bruta (GPP) e da Produção primária líquida (NPP). A coleta das imagens ocorreu para os anos de 2011 e 2012. No período chuvoso, as áreas de caatinga preservada apresentaram maiores valores de assimilação total (até 160 g C/m2 em janeiro de 2011) e sequestro de carbono, enquanto no final do período seco foram registrados valores inferiores a 20 g C/m2. Quanto ao total anual, em 2011 as áreas de caatinga preservada juntamente com a agricultura irrigada apresentaram os maiores valores de GPP (> 900 g C/m2), enquanto que em 2012 a GPP das áreas de caatinga variaram, em geral, de 500 a 600 g C/m2, com algumas áreas chegando a 700 g C/m2. A NPP, ou seja, o sequestro de carbono, variou de 500 a 700 g C/m2 em 2011 e de 100 a 400 g C/m2 em 2012. Desse modo, são necessárias medidas e elaboração de instrumentos políticos que visem à preservação dos remanescentes de caatinga do município de Petrolina, como forma de contribuir com mitigação do aquecimento global.
Abstract Given the increasing emissions of greenhouse gases, the present study analyzed the carbon sequestration in savanna areas of the city of Petrolina - PE, via remote sensing techniques. Images from the MODIS sensor, for the product MOD17, which contains an estimated gross primary production (GPP) and net primary production (NPP). The collection of images was for the years 2011 and 2012. During the rainy season, the preserved savanna areas had higher overall assimilation of values (up to 160 g C/m in January 2011) and carbon sequestration, however the dry season stood out areas of irrigated agriculture. As the annual total in 2011 the areas of savanna preserved along with irrigated agriculture had the highest GPP values (> 900 g C/m2), while in 2012 the GPP of savanna areas ranged generally from 500 to 600 g C/m2, with some areas reaching 700 g C/m2. The NPP, ie carbon sequestration, ranged 500-600 g C/m2 in 2011 and 400 g C/m2 in 2012. Thus, measures are needed and development of policy instruments aimed at the conservation of remaining to scrub the city of Petrolina, in order to contribute to mitigating global warming.</abstract><cop>Rio de Janeiro</cop><pub>Sociedade Brasileira de Meteorologia</pub><doi>10.1590/0102-7786324007</doi><tpages>15</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Agriculture Carbon Carbon sequestration Climate change Conservation Dry season Environmental policy Gases Global warming Greenhouse effect Greenhouse gases Instruments MODIS mudanças climáticas Ocean circulation Plankton Primary production Rainy season Remote sensing Remote sensing techniques Remote sensors semiárido Sensing techniques sensoriamento remoto Sensors sequestro de carbono vegetação Wet season |
title | Análise do Sequestro de Carbono em Áreas de Caatinga do Semiárido Pernambucano |
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