Articles
Study: 25% of Europe Could Be Rewilded
A study found that about 25% of Europe could benefit from rewilding, the process of restoring natural ecosystems and wildlife.
Regional Changes in Forest Carbon Storage
Global forests have absorbed carbon steadily for 30 years, but deforestation and climate change have affected absorption rates across different biomes.
The Last U.S. Stand of the Key Largo Tree Cactus Has Vanished
The Key Largo tree cactus is now extinct in Florida, highlighting the vulnerability of coastal species to climate change and sea level rise.
Slope Steepness and the Formation of Single-sided River Tributaries
Steep slopes cause water to flow more quickly, increasing erosion and carving channels that eventually form tributaries.
Shifting Sea Ice is Making Sailing Ships Through the Northwest Passage More Difficult
Southward drifting ice is clogging the Northwest Passage, shortening the shipping season despite Arctic sea ice decline.
Nilas: Understanding the Early Stages of Sea Ice Formation
Early sea ice forms as frazil crystals, which merge into thin, streaky layers called nilas, influenced by winds and ocean currents in polar regions.
Role of GIS in Renewable Energy Planning
Researchers use GIS and climate models to map optimal renewable energy sources, addressing challenges of dynamic energy potentials.
Learn How to Read a Map
Map reading is the skill of interpreting and understanding the geographic details and information shown on a map.
Zoomorphic Maps: Imagining Maps as Animals
These zoomorphic maps were designed as propaganda tools, with each one depicting the world in a way that reflected the message the cartographer intended to convey.
Number of “Dees” in a Chickadee’s Alarm Call is Related to the Danger Level of Nearby Predators
The number of "dees" in a chickadee's alarm call correlates with the size and threat level of the predator.
What are the Earth System’s Four Spheres?
The systems of the earth can be divided into two main areas: geosphere and biosphere.
Using Seals to Track Ocean Currents
By tagging seals with specialized sensors, researchers can map Antarctic ocean currents, heat distribution, and assess the health of marine ecosystems.
Tracking Mercury With Dragonflies
Published research mapped mercury levels in dragonfly larvae from 73 U.S. parks, revealing how the metal accumulates in the environment.
Hydrothermal Explosions
Hydrothermal explosions are dramatic, natural events that occur when superheated water and steam are suddenly released from beneath the Earth's surface.
The Recreational Value of Nature and Wildlife
Measuring the economic benefits of wildlife and outdoor areas supports conservation with tools like the NPS Visitor Spending Effects.
How Undular Bores Show Up in the Clouds
Undular bores create distinctive wave-like cloud patterns, such as morning glory clouds, by pushing warm air upward.
Geography of Giant Sequoias
Giant sequoias are one of the longest lived tree species, with the oldest giant sequoia living an estimated 3,400 years.
Urbanization is Shortening the Legs of Western Fence Lizards
Western fence lizards have adapted to manmade surfaces in urban areas by developing shorter limbs and toes.
Most Abundant Landbird in the United States and Canada
The American robin has the largest population among all landbirds in the United States and Canada.
Which States Have the Highest Percentage of Water Area?
Water shapes U.S. states' geography and ecosystems. Which states have the highest and lowest percentages of area covered by perennial water?
These Two Countries are Separated by 2.4 Miles and 21 Hours
There exists a geographic point where two of the largest countries in the world are only separated by a 2.4 miles but are 21 hours apart.
Why Do Squirrels Lie Flat?
There are several reasons for why squirrels will lie flat on the ground, a patio railing, or tree branch.
How Mapping Mangrove Species Can Help With Coastal Erosion Mitigation
Species-specific mangrove maps aid conservation by targeting protection efforts and resources against storm surges and coastal erosion.
How to Find the URL to an ArcGIS Online Web Map and Add it to QGIS
Learn how to find URLs for older feature and map servers hosted on ArcGIS Online so they can be added to QGIS.
Chorology and Chorography
Chorology examines places and regions, often known as regional geography, while chorography focuses on describing or mapping those regions.
How to Use Esri File Geodatabases in QGIS
Learn how to load both Esri vector and raster file geodatabases in QGIS.