Spatial Analysis
The spatial analysis category looks at data manipulation techniques in GIS.

Heat Maps in GIS
Heat mapping, from a GIS perspective, is a method of showing the geographic clustering of a phenomenon.

How to use ArcGIS Pro and Landsat 8 Imagery to Calculate Chlorophyll Index and Global Environmental Monitoring Index
Learn to create a chlorophyll index using Landsat 8 imagery in ArcGIS Pro with this step-by-step GIS tutorial.

Finding GIS Data and Using QGIS to Map Caves
Dackery Geiman outlines the challenges he encountered finding geospatial data about caves and using QGIS to map cave density in Missouri.

GIS in Land Use Planning and Surveying
Michael Parks explains how he used GIS data and imagery to develop geospatial analysis and maps to recommend potential base camp sites.

Mapping Oil Slicks With Satellite Imagery
Sentinel-1 synthetic aperture radar (SAR) satellite data has been used in a study to map oil slicks.