Articles
GIS User Groups in the United States
GIS user groups are a great way to network with other GIS professionals on a local level. GIS user groups commonly are organized at the regional level.
How the Beaver-Wolf Dynamic Affects Forests
Researchers are studying how wolves shape forests by limiting beaver foraging, keeping them close to water to avoid predation.
Geography Facts About the Southern Ocean
The Southern Ocean is the Earth's windiest, southernmost ocean and plays a vital role in Earth's environmental health.
Exploring Rainbows and Moonbows
Rainbows and moonbows occur when light is refracted through drops of water in the sky.
What is Snowliage?
Snowliage is when an early winter storm creates a bright white snowfall that contrasts with the red, oranges, and yellow fall foliage of trees.
The Highest 11 Mountains in the United States
Learn about the highest 11 mountains in the United States.
Reintroduction of the Mexican wolf nears 25th anniversary
Reintroduction efforts to improve Mexican wolf populations in the wild began in 1998 and recent populations now exceed 200 wolves.
Creating Elevation Cross-Section Profiles with QGIS
Learn to create elevation cross-sections in QGIS with the Profile Tool plugin and SRTM elevation data.
When Will We Reach the 1.5°C Mark with Climate Change?
The Earth is 1°C warmer than pre-industrial times, and it's unclear when we'll reach the 1.5°C climate threshold.
Using QGIS to Create Isochrone Maps and Identify Shortest, Fastest Routes
Learn how to use QGIS, OpenStreetMap, and the ORS plugin to find shortest and fastest routes and to create 10 and 15-minute isochrone maps.
How to Track Santa Claus in 2023
Learn about the history of tracking Santa's Christmas travels and how to follow Santa using NORAD's app.
Getting Started with the ArcGIS Business Analyst Web App
This GIS tutorial provides a brief introduction to using the ArcGIS Business Analyst Web App.
GIS Tutorials
Online GIS tutorials from Geography Realm for mapping and data analysis.
GEDI: A Tool for Forest Carbon Maps
The GEDI satellite system is being used to map forest carbon content and assess forest biodiversity and health.
What are Those Clumps in Trees?
A dense clump of dried leaves and twigs in a tree is mostly likely a squirrel's nest, known as a drey.
Monarch Butterfly Overwintering in California
November and December are the best times to see large clusters of monarch butterflies overwintering in the coastal groves of California.
Automatic Digitizing of Imagery Using QGIS
This QGIS tutorial takes you step-by-step through the process of automatically digitizing building footprints using the Mapflow plugin and OpenStreetMap aerials.
Marine Spatial Planning Index
The goal of marine spatial planning (MSP) is to balance ocean space use and environmental protection.
X is Longitude, Y is Latitude
Here are some simple strategies for remembering that X is longitude and Y is latitude in GIS.
U.S. States With the Most Extreme Elevation Spans
Here are the states with the greatest difference in elevation between the highest and lowest points.
The Role of Internal Waves in Climate Change
Scientists from the UK and US have identified underwater internal waves as crucial in understanding and addressing climate change.
Using Deep Learning to Map Land Cover in ArcGIS Pro
This GIS tutorial provides step-by-step instructions on how to use deep learning models and Landsat 8 satellite imagery in ArcGIS to classify land cover.
Study: More U.S. Homes Burn in Grassland and Shrubland Fires than Forest Wildfires
A new study in Science reports that in the United States, grassland and shrubland fires tend to be more extensive and burn more houses than forest fires.
Benefits of Microforests
Microforest projects use the Miyawaki method fast-track the growth of dense, biodiverse forests, aiming to achieve full growth in 20-30 years.