Dissolve Features Based on Attribute in QGIS
This GIS tutorial provides a step-by-step guide on how to dissolve features in QGIS based on an attribute field.
Caitlin Dempsey
United States Cropland Data
The Cropland Data Layer (CDL) is an annually updated GIS dataset developed by the USDA that maps out crops grown in the United States.
What is a Map Projection?
Map projections are techniques used to transform the Earth’s three-dimensional surface onto a two-dimensional plane, inevitably introducing some distortion in area, shape, distance, direction, or scale.
Universal Transverse Mercator (UTM) Coordinate System
UTM is a precise, grid-based coordinate system ideal for regional mapping and navigation, utilizing 60 zones to minimize distortion.
GIS Poems (According to AI)
To have a little fun with artificial intelligence, I decided to see what poetic geospatial delights ChatGPT could come up with.
Where to Find Tectonic Plate GIS Data
There are a few sources of freely available tectonic plate data available in various GIS data formats.
Understanding Map Scale
Map scale refers to the ratio between the distance on a map and the corresponding distance on the Earth’s surface.
Types of GIS Data Explored: Vector and Raster
This article discussions different types of GIS data in both vector and raster formats.
Open Source GIS and Freeware GIS Applications
There are many open source GIS and web mapping applications to choose from.
Heat Maps in GIS
Heat mapping, from a GIS perspective, is a method of showing the geographic clustering of a phenomenon.