LiDAR (Light Detection and Ranging) and photogrammetry are two powerful remote sensing technologies used extensively in Geographic Information Systems (GIS) for mapping, modeling, and analyzing Earth’s surface and features. Here’s a breakdown of each and how they are applied in…
Surveying techniques in Geographic Information Systems (GIS) involve the methods and tools used to accurately determine the spatial location of features on the Earth’s surface. These techniques are foundational for building accurate GIS databases. Here’s a breakdown of the key…
GPS and GNSS in GIS are foundational technologies used to collect, manage, and analyze location-based data. Here’s a clear explanation of how GPS (Global Positioning System) and GNSS (Global Navigation Satellite Systems) are used in GIS (Geographic Information Systems): 🔍…
Topology in GIS (Geographic Information Systems) refers to the spatial relationships between features, such as how points, lines, and polygons connect or relate to each other. It’s a crucial concept for ensuring data integrity, accuracy, and meaningful spatial analysis. What…
In Geographic Information Systems (GIS), there are two primary types of spatial data: Raster and Vector. Each type represents geographic features and spatial information in a different way. Raster Data Vector Data Summary Table Feature Raster Vector Data Type Pixel/grid-based…
Coordinate Systems and Map Projections in GIS Geographic Information Systems (GIS) rely heavily on coordinate systems and map projections to accurately represent and analyze spatial data. Understanding these fundamental concepts is crucial for anyone working with geographic data, as they…
Here’s a clear comparison between spatial data and non-spatial data: Feature Spatial Data Non-Spatial Data Definition Data that represents the location, shape, and size of physical features on Earth Data that lacks geographical or locational context Includes Coordinates, geometry (points,…
LANDUSE MAP OF THE SELECTED GRID LANDUSE MAP OF THE SELECTED GRID WITH GRID
ANSWER: As evidenced in the screenshot below, there is a concentration of the Tri points for the year 2016 on the Northern part of the map. The center also has a high cluster as well as a little concentration on…
Step 1: Literature review on datasets needed for a flood analysis (Drainage, precipitation, infrastructure, coastline, tide levels, DTM) Step 2: Delineating the study area – Create a shapefile in the arc catalogues, assign the right name, type (polygon, polyline, point).…
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Gabby Jones
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