Articles

You Can Help the Humanitarian OpenStreetMap Team With Its Research on Crowdsourced Damage Assessment

Caitlin Dempsey

The Humanitarian OpenStreetMap Team recently launched three formal research experiments on crowdsourced damage assessment and is seeking volunteers interested in participating.

One of the Largest Atlases in the World is Accessible Online

Elizabeth Borneman

One of the largest atlases in the world, the Klencke Atlas dating from the 1660s, was digitized by the British Library and is now viewable online.

Tree Migration Direction Affected by Climate Change

Elizabeth Borneman

Ecologists have found that climate change, as it changes precipitation levels and temperatures, is causing trees to grow in different locations than they have traditionally taken root.

A Jet Stream in the Middle of the Earth

Elizabeth Borneman

Researchers from the University of Leeds published an article in the journal Nature GeoScience with data gathered by the Swarm satellites that reveals the existence of a molten core jet stream using changes in the magnetic field.

Noise Pollution and Geography

Mark Altaweel

Noise pollution has long been seen to be particularly acute in regions where transportation and urban development are most pronounced; the disciplines of urban and environmental geography have focused on this topic.

This Map Lets You Find the Best Cloud-Free Location to View the 2017 Solar Eclipse in the United States

Elizabeth Borneman

This year a total solar eclipse will occur on August 21st, and will be visible from many states in the United States. The total solar eclipse will be visible in a path from Oregon to South Carolina.

Measuring Vegetation from Satellite Imagery with NDVI

Mark Altaweel

Normalized difference vegetation index (NDVI) is a remote sensing technology that measures vegetation kinds and growth by measuring vegetation fingerprints.

GIS and Stratified Heterogeneity

Mark Altaweel

A method to measure uneven distribution of landscape or population features in a given space is stratified heterogeneity.

Map of landlocked countries. There are 42 landlocked (green) and two double-landlocked (purple) countries . Map: NuclearVacuum (Wikipedia)

Landlocked Countries

Caitlin Dempsey

Learn about how many countries are landlocked, which is the largest landlocked country, and which two countries are double landlocked.

Coral Bleaching of the Great Barrier Reef

Elizabeth Borneman

The Great Barrier Reef has undergone two severe bleaching events in successive years. This has been caused by the warming of the oceans due to climate change.

GIS and Digital Humanities

Mark Altaweel

GIS significantly influences digital humanities with a spatial focus, increasingly important for various humanities scholars.

Knowing Geography Makes You More in Favor of Diplomacy

Elizabeth Borneman

An increase in knowledge of global geography helps put into perspective greater events occurring around the world and makes the person more likely to favor diplomacy.

OpenRouteService’s ‘Quiet Routing’ Creates a Less Stressful Route for Pedestrians

Geo Contributor

Prof. Dr. Alexander Zipf introduces OpenRouteService's experimental routing option 'Quiet Routing' which guides pedestrian travel around noisy urban areas.

A blue globe that forms the dot of a blue question mark.

Information Services and the User Experience in the Geographic Information Community

Caitlin Dempsey

Members of the geographic information community can be considered heavy users of information services. Geographic information (GI) users are  “super-encounterers” ...

Information Needs and Information Seeking Behavior Within the Geographic Information Community

Caitlin Dempsey

As part of the Professional and Occupational information community category (Hansen 2014), members of the geographic information community can be ...

The Geographic Information Community

Caitlin Dempsey

At its broadest definition, the geographic information community (GIC) is a community of users who are connected by the common interest in visualizing and analyzing spatial (or geographic) information.

Dress Up Your QGIS Install With this Whimsical Plugin

Caitlin Dempsey

The QGIS hats plugin is a bit of fun that accomplishes no other purpose than to add a hat to the QGIS icon.

A book cover called ArcGIS Book with a map of Europe.

These Two ArcGIS Books are Free from Esri

Caitlin Dempsey

Esri offers two free ArcGIS books: '10 Big Ideas about Applying The Science of Where' & 'Instructional Guide for The ArcGIS Imagery Book'.

Screenshot showing where to tool for "flat map" is in Excel.

How to Make a Map in Excel Using the 3D Map Add-in

Geo Contributor

This tutorial by Nick Williams provides an overview of how to create a map in Excel using 3D Map for Excel 2016 (or Power Map for Excel 2013).

Teaching Math with GIS

Liam Oakwood

GIS has enormous potential to be used for teaching mathematics to students.

An Automated Design Model (ADM) for a wildlife corridor shown in ArcScene, a 3D viewer for GIS data.

The Role of GIS in Wildlife Research and Conservation

Mark Altaweel

Monitoring and studying wildlife habitats has long been a key focus within GIS.

Maps showing how climate change will adversely affect the United States in areas of agriculture, crime, life span, property damage, and labor. Source: Hsiang, et. al, 2017.

Model Predicts Economic Damage from Climate Change to be Greatest in the South in the US

Caitlin Dempsey

A new model maps out the agriculture, crime, coastal storms, energy, human mortality, and labor costs of climate change in the United States.

Map showing forest distribution in drylands. Yellow areas are plots without forests and green areas are plots with forest cover. Source: Bastin et. al, 2017).

By Using High-resolution Satellite Imagery to Survey Drylands, Researchers Boosted Estimates of Global Forest Cover by 9%

Caitlin Dempsey

Researchers, using high-resolution satellite imagery, have discovered there is about 40-47% more forest cover in dryland biomes than previously thought.

A Look at 90 Years of Natural Disasters by County in the United States

Caitlin Dempsey

Researchers have mapped out ninety years of natural disasters data by county in the United States.

A terrestrial gamma ray detected on August 3, 2014 over the Pacific Ocean west of Mexico. Image: J. Stevens, NASA with data from Roberts, O. J., et al. (2017).

Using Satellites to Monitor Terrestrial Gamma Ray Flashes

Elizabeth Borneman

The production of gamma rays that can be seen by satellites are called terrestrial gamma ray flashes, or TGFs.

Vendors like GISinc use GIST.

GIS and Advertising

Mark Altaweel

Advertisers are becoming more sophisticated with the use of GIS as a way to better target their audiences.