Articles

iGETT participants learning GIS in the lab. Source: NASA.

Ensuring the Future of GIS with Geospatial Education

Rebecca Maxwell

The U.S. government is helping to guarantee the future of GIS by investing billions of dollars in geospatial education. The ...

Strava heat map showing the opular running and biking routes in San Francisco.

Creating a Global Heat Map from 41.5 Million Runs

Rebecca Maxwell

Strava, a GPS running and biking application, recently released a detailed global heat map of popular routes across the globe. The map contains over 160 million activities with 375,000,000,000 data points.

Sheehan: "any web application which is used in the field on laptop or mobile device should be simple and offline enabled."

Solving Field GIS Wireless Connectivity Issues with Web Apps

Geo Contributor

WebMapSolutions enhances offline GIS capabilities in the browser by integrating JavaScript widgets that extend functionality in any web app.

The Sound of Silence: A Noise Map of the U.S.

Rebecca Maxwell

A map from the NPS displays the noisiest as well as the quietest places in the United States.

Using Satellite Imagery to Track the Oceanโ€™s Acidity

Rebecca Maxwell

The Earthโ€™s oceans play a vital role in the health of the planet. ocean dynamics impact weather patterns, it provides ...

IIASA-IFPRI Global Cropland Map (View of northern and central Africa). Credit: IIASA Geo-Wiki Project, Google

Maps Serve to Monitor Global Agriculture

Rebecca Maxwell

As the worldโ€™s population grows, the amount of land available for farming is becoming a major concern. Increasing competition for ...

How Spatial Big Data Underpins Smart Cities

1Spatial

Underpinning any smart city program is trusted geospatial information; one single source of reliable, location-specific data.

Where are the residents of Turkey the happiest?

Using a Heat Map to Show the Level of Happiness by Province in Turkey

Geo Contributor

Dogus Guler created a heat map showing levels of happiness by province in Turkey using GIS.

Geographic distribution of archaeological cultures and graphic illustration of proposed population movements. Source: Haak et. al, 2015).

Geographic Spread of the Indo-European Language Family

Caitlin Dempsey

A recent study by the Australian Centre for Ancient DNA and Harvard Medical School looked at the initial dissemination of Indo-European languages.

A sandstone formation known as a Beehive in the Valley of Fire Nevada State Park. This formation occurs from wind and water erosion. Photo: Alex Demas, USGS. Public domain.

What are Two Main Causes of Changes to the Earth Surface?

Joe Akintola

Erosion and weathering are two forces that change the surface of the Earth over thousands and millions of years.

Geoportals

Caitlin Dempsey

Geoportals provideย a single point of access for searching for and downloading GISย data from a multitude of sources. ย Users looking forย GIS ...

Free Field Survey Tools

Noam Rozenfeld

With the immense leaps of cheaper data storage, cellular availability, and awareness toward open source components, the options to create ...

Shade relief globe showing the International Date Line.

Geography of the International Date Line

Elizabeth Borneman

The International Date Line is an imaginary line of longitude that divides two days and is placed at 180 degrees east or west of the Greenwich Meridian.

Thawing peatlands in Alaska. Photo: Miriam Jones, U.S. Geological Survey. Public domain.

Using Geospatial Technologies to Save the World’s Peatlands

Rebecca Maxwell

Rezatec has developed โ€œPeat spotterโ€, a service that uses Earth Observation imagery to locate and create initial mappings of peatlands. This information is enriched with ground data collected by field agents using handheld devices.

New GISP Certification Process and Fees Announced

Caitlin Dempsey

Theย GIS Certification Institute (GISCI) announced new terms and fees for its certification and recertification processes starting July 1, 2015.

The World’s Largest Mass Migration

Caitlin Dempsey

Surrounding the Chinese New Year is a forty-day travel period known as "Chunyun," meaning โ€œSpring Festival Transportโ€. Each year, Chinese officials calculate that well over 3 billion passenger trips occur during this period and overwhelms the Chinese transportation system.

Abstract Machine: Applying GIS in the Humanities

Caitlin Dempsey

In Abstract Machine: Humanities GIS, Charles B. Travis, a senior research fellow at Trinity College Dublin in Ireland, uses case studies from history, poetry, and published works to explore out GIS analysis is used to explore and understand events in literature, history, and culture.

The Cultural Geography of Carnival Celebrations around the World

Devon Reeser

Discover how local pagan and indigenous traditions blend into unique Carnival celebrations in Brazil, New Orleans, Quebec, Italy, and Russia.

Building Better Maps for the Visually Impaired

Rebecca Maxwell

For those of us who can see, being able to read a map is something that we take advantage of ...

This The natural-color MODIS image shows the dust as it moved from North Africa, swept northeast over the Mediterranean Sea, and blanketed the atmosphere over Turkey and Greece. Source: NASA

Lodos (Wind)

Joe Akintola

The Lodos has been classified as a powerful south westerly wind (blowing from the south west) that can be found at regular intervals throughout the year in the Marmara Sea and Aegean Sea, as well as the Black Sea and Turkey's Mediterranean coast.

Murphy Mack used his bike and GPS to propose to his girlfriend.

Saying โ€œI Love Youโ€ With GPS

Rebecca Maxwell

Aspiring Romeos around the world have been employing their GPS tools in order to give a voice to their valentines.

Searching for open GIS data via Esri's ArcGIS Open Data.

Esri Launches Site to Find Open Data

Caitlin Dempsey

Esri has launchedย ArcGIS Open Data as a portal for users to search, download, and visualize open data: Since July 2014, ...

Paper Maps Refuse to Die in the Digital Age

Rebecca Maxwell

In todayโ€™s era of digital maps, the use of paper maps might seem a bit antiquated. When Google Maps are ...

Picture of a bar of dark chocolate.

Economic Geography of Your Valentineโ€™s Day Chocolate

Devon Reeser

Americans spent $700 million on chocolate treats for Valentineโ€™s Day in 2014.

Laguna Grande is a 50-hectare salt-water lagoon located in the municipio of Fajardo, in the eastern-most tip of Puerto Rico. Photo: USGS.

Limnology

Elizabeth Borneman

Limnology is an area of geography that studies bodies of water located inland such as lakes, rivers, wetlands, streams, watersheds, and reservoirs.

A trail winds up the north side of Cinder Cone volcano. Photo: Lassen NPS, public domain.

What Are the Negative Impacts of a Cinder Cone Volcano?

Joe Akintola

Cinder cone volcanoes are cone craters which are usually small and steep shaped made up of lots of little rock or ...

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