Question
What is geospatial technique? Explain the key geospatial techniques uses in natural resource management.
Answer :
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Geospatial technique refers to a set of modern methods and technologies used to collect, process, analyze, visualize, and interpret information related to the Earth's surface based on location. These techniques integrate spatial and non-spatial data to understand natural features, environmental conditions, and human activities. Geospatial techniques have become an essential part of natural resource management because they provide accurate, timely, and cost-effective information for planning, monitoring, conservation, and sustainable utilization of natural resources. Remote Sensing is one of the most widely used geospatial techniques. It involves collecting information about the Earth's surface through sensors mounted on satellites, aircraft, or drones without direct physical contact. Remote sensing provides data on land use, land cover, vegetation health, water bodies, soil moisture, glaciers, and forest conditions. Multi-temporal satellite images help monitor changes in forests, agricultural land, wetlands, and coastal ecosystems. It also assists in identifying degraded lands, mapping mineral resources, detecting forest fires, and assessing drought and flood impacts. Geographic Information System (GIS) is another important geospatial technique that stores, manages, analyzes, and displays spatial information in digital map form. GIS integrates data from different sources such as satellite images, field surveys, census records, and GPS observations. It supports decision-making by creating thematic maps, overlay analysis, suitability analysis, and resource inventories. In natural resource management, GIS is used for watershed planning, forest management, groundwater potential mapping,
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