4 research outputs found

    Impact Assessment of Land Use and Land Cover Change of Agusan River Basin to Climate Using Geospatial Techniques And Regression Analysis

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    This study utilizes Geospatial Techniques and Regression Analysis to examine the impact of Land Use and Land Cover changes on the climate dynamics of the Agusan River Basin. It analyzes the correlation between Land Surface Temperature (LST) and Normalized Difference Vegetation Index (NDVI) over a 20-year period from 2000 to 2020 with four (4) years interval. The study reveals a gradual negative trend in the LST-NDVI correlation, with notable spikes in 2004 and 2008, influenced by extreme temperature conditions linked to drought and El Niño. However, the trend increased in the years following 2012. The dominant land cover types in the basin are vegetation, barren land, built-up areas, and water bodies. This study contributes to a better understanding of the relationship between land use and land cover, and climate dynamics, aiding informed decision-making for sustainable land management and climate change adaptation strategies in the Agusan River Basin

    Assessment of Land Use Land Cover Classification using Support Vector Machine and Random Forest Techniques in the Agusan River Basin through Geospatial Techniques

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    The Agusan River basin is a lifeline for residents in Agusan del Norte, Agusan del Sur, and Davao del Norte. However, human activities have caused water contamination and siltation, leading to significant structural and physical changes in the river. This study utilized two machine learning classifiers, Support Vector Machine (SVM) and Random Forest (RF), within the Google Earth Engine (GEE) platform to assess the land use and land cover (LULC) changes from 2000 to 2020. The results unequivocally favored SVM, with higher accuracies of 95.53%, 95.61%, and 92.21% in 2000, 2010, and 2020, respectively. Notably, the study unveiled the substantial impact of LULC changes on critical water quality parameters, including turbidity, total suspended solids, and pH. These findings bear profound implications for the conservation and management of the Agusan River Basin, providing policymakers with invaluable insights for crafting interventions to preserve this invaluable natural resource
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