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• W2807046706 abstract "Objetivou-se, neste trabalho, analisar a evolucao temporal do uso, ocupacao do solo, variacao da chuva, temperatura maxima e umidade relativa do ar media no Sudoeste do Piaui, entre os anos de 1984 e 2015. As imagens utilizadas foram o Satelite Landsat 5 sensor TM e Landsat 8, que possui o sensor otico OLI “Operational Land Imager” e o sensor infravermelho termal TIRS “Thermal Infrared Sensor”. Todas as etapas foram realizadas por intermedio do Software ArcGIS® 10.1. Os dados meteorologicos foram obtidos do INMET e INPE. Os resultados revelaram alteracoes significativas na paisagem do Sudoeste do Piaui. Houve decrescimo acentuado na vegetacao nativa e aumento do solo exposto e uso do solo. Entre 1984 e 2015, houve a diminuicao de 54,81% da vegetacao nativa, o aumento de 297,98% de solo exposto e aumento de 179,16% do solo em uso. A chuva teve reducao mensal media de 14,34 mm totalizando uma queda de 172,08 mm.ano-1, a temperatura maxima aumentou 0,91°C e a umidade relativa diminuiu 7,43%. A reducao da vegetacao nativa esta diretamente relacionada com o aumento de areas com solo exposto, de areas agricolas e urbanas e que essas relacoes podem causar serias mudancas na paisagem da regiao.Palavras-chave: mudancas climaticas, ordenamento territorial, sistema de informacoes geograficas, Landsat. RELATIONSHIP BETWEEN METEOROLOGICAL VARIABLES AND SOIL USE AND OCCUPATION IN THE SOUTHWEST OF PIAUI, BRAZIL ABSTRACTThe objective of this work was to analyze the temporal evolution of the use, soil occupation, rainfall variation, maximum temperature and relative humidity average of air in the Southwest of Piaui, between 1984 and 2015. The images were collected from the Satellite Landsat 5 TM sensor and Landsat 8, which features the OLI “Operational Land Imager” optical sensor and TIRS “thermal infrared sensor”. All steps were performed using ArcGIS® 10.1 Software. The meteorological data were obtained from INMET and INPE. The results revealed significant changes in the landscape of the Southwest of Piaui. There was a strong decrease in native vegetation and an increase of exposed soil and soil in use. Between 1984 and 2015, there was a 54.81% decrease in native vegetation and an increase of 297.98% in exposed soil and 179.16% in soil in use. Rainfall had an average monthly reduction of 14.34mm with a total drop of 172.08mm.year-1, the maximum temperature increased 0.91° C and relative humidity decreased 7.43%. It can be concluded that the reduction of native vegetation is directly related to the increase of areas with exposed soil, agricultural and urban areas and that these relationships can cause serious changes in the landscape of the region.Keywords: climate changes, land use planning, geographic information system, Landsat. DOI: http://dx.doi.org/10.5935/2318-7670.v05n06a06" @default.
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• W2807046706 date "2017-01-01" @default.
• W2807046706 modified "2023-09-26" @default.
• W2807046706 title "Relação entre variáveis meteorológicas e o uso e ocupação do solo no Sudoeste do Piauí, Brasil" @default.
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• W2807046706 doi "https://doi.org/10.5935/2318-7670.v05n06a06" @default.
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