These land use changes have positive or negative effects on food security. Geospatial studies consist of tools that assist in analysis and decision making to favor local and global development. These results can alert the population to the risks to public health and harm to hydrographic preservation, capable of covering large regions. Satellite images from Landsat 2/5/7/8 (1975 to 2020) and Sentinel-3B OLCI (20) revealed that changes in land use, vegetation cover and water in the Capinguí Dam reservoir detected high concentrations of ADG_443_NN (3830 m −1), CHL_NN (20,290 mg m −3) and TSM_NN (100 gm −3). This work on sustainability standards was applied to a hydrographic basin dedicated to agricultural production located in southern Brazil. Sentinel-3B OLCI (Ocean Land Color Instrument) images obtained in 20 were utilized to assess water resources, based on water turbidity levels (TSM_NN), suspended pollution potential (ADG_443_NN) and the presence of chlorophyll-a (CHL_NN) in order to temporally monitor the effectiveness of Brazilian legislation currently in force. Here we geospatially analyze images from Landsat 2/5/7/8 satellites captured during 1975 to 2020 in order to determine changes in land use. Geospatial analyses have gained fundamental importance on a global scale following emphasis on sustainability.
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