Articles

Roger Tomlinson, 1967.

Sunday Maptinee: Data for Decisions

Caitlin Dempsey

In honor of Roger Tomlinson (1933-2014), who recently died, this edition of Sunday Maptinee features Data for Decisions, a video ...

Tracking Whales with Satellite Imagery

Caitlin Dempsey

Researchers with the British Antarctic Survey have developed a methodology to use unsupervised classification to remotely identify and count right whale populations using Very High Resolution (VHR) satellite imagery.

1914 isochronic map showing travel times around the world by John G. Bartholomew, "An Atlas of Economic Geography".

Three Simple Ways to Realize You Do Know about Geography

Anne-Laure Frรฉant

Geography moves beyond simply knowing the capitals of countries. Anne-Laure Frรฉant discusses three ways people are more aware of geography than they realize.

GIS Timeline

Caitlin Dempsey

GIS timeline of significant milestones that have occurred since the early 1960s to advance GIS and geospatial technologies. GIS has come a long way since its beginnings.

Roger Tomlinson, Father of GIS, Has Died

Caitlin Dempsey

Roger Tomlinson was a central figure in the development of GIS.

View of Zoroaster Temple from the El Tovar Hotel in the Grand Canyon. Photo: Michael Quinn, NPS, Public Domain.

The Grand Canyon

Elizabeth Borneman

The Grand Canyon is one of Americaโ€™s most beloved and well-known geographical wonders and is visited by millions of people every year.

Automated Generalization: The Holy Grail for National Mapping and Cadastral Agencies?

1Spatial

This guest article byย Nicolas Regnauld, Product Manager at 1Spatial takes a look atย automated generalization and how this holy grail has come closer for national mapping and cartographic agencies. ย 

Shadows and Angles: Measuring Object Heights from Satellite Imagery

Cameron Windham

Because of the wonderful metadata that comes with satellite images, shadows can be employed to estimate the height of the objects which cast them.

Submarine Cable Map

Caitlin Dempsey

TeleGeography's 2014 Submarine Cable Map displays 285 existing or upcoming global cable systems by 2015.

A detailed graphic showing the location of the Earth's crust, mantle, and core.

Structure of the Earth

Caitlin Dempsey

Listed here are quick facts about the earth's crust, mantle, and core.

Taking the Earthโ€™s Temperatures by Satellite

Rebecca Maxwell

Just like a physician measures a personโ€™s temperature in order to check his or her health, a new project from ...

Mapping Rail Trails with GIS

Tracy Dash

There is a pressing need for an up-to-date public GIS database of rail trails. Rails-to-Trails Conservancy (RTC) utilizes both GIS and GPS to gather trail information.

Using Speed Data to Track the Movements of Vehicles

Caitlin Dempsey

Researchers from Rutgers University have been testing out the theory that speed information matched against road topology provides enough information ...

How to Make Fantasy Maps

Caitlin Dempsey

Interested in learning how to make fantasy maps? This five part tutorial from Jessica Khoury teaches users how to use Photoshop to make fantasy maps.

Saving Leatherback Turtles through Maps

Rebecca Maxwell

Finding a balance between the needs of humans with those of the natural environment has always been a challenge. There ...

LiDAR reveals the underlying history of a landscape. Image from Kate Johnson.

LiDAR and the Archaeology Revolution

Rebecca Maxwell

Through the use of LiDAR, archaeologists are now able to uncover more of the โ€˜lostโ€™ New England of subsistence farming from the 1700s.

A Look at the Mercator Projection

Amanda Briney

Learn about the Mercator map projection โ€“ one of the most widely used and recently, most largely criticized projections. Amanda Briney takes a look at the history and development of the Mercator projection, how it works and some criticisms of the projection.

Predicting Natural Disasters and Humanitarian Crises through GIS

Rebecca Maxwell

The National Geospatial-Intelligence Agency (NGA) wants to create a data-rich map with its proposed Project GeoAnalytics that takes into account not only the physical characteristics of certain locations around the globe but also include supplementary information about its people and the political situation.

Flood damage in Colorado as a result of the rainfalls this September. (Photo Source: FEMA, public domain )

The Role of High-Resolution Imagery and GIS in Flood Relief Efforts in Colorado

Cameron Windham

With flooding events in the United States, high-resolution imagery and GIS play a role assessing flood-related damages in order to assign and focus relief efforts.

Mapping Ship Logs

Caitlin Dempsey

Ben Schmidt, who is anย assistant professor of history at Northeastern University, has mapped out historical shipping routes.

The movement of Earth's north magnetic pole across the Canadian Arctic. Red circles are observed magnetic pole positions, blue circles are modeled positions. Figure: Cavit, WikiMedia Commons, CC BY 4.0

Magnetic North is Constantly Shifting

Caitlin Dempsey

The magnetic poles shift each year due to changes in the Earthโ€™s core in response to charge particles emitted by the sun hitting the earthโ€™s magnetic field.

How to Find a Top Geography Degree Program

Caitlin Dempsey

Learn about the different rankings for geography undergraduate and graduate degree programs and where to find resources to help you pick the best geography program.

Mapping the Earthโ€™s Polar Regions

Rebecca Maxwell

In order to better understand the Earthโ€™s Polar Regions, improved maps are continually being developed. The latest of these is a set of high-quality satellite images of Antarctica from the Polar Geospatial Center. The PGC has made them accessible through several web-based mapping applications.

Creating a Sustainable Space Environment Using Satellite Sails

Rebecca Maxwell

European Space Agency scientists are pioneering sustainable space technology through satellite innovation.

Sunday Maptinee: The Mapmaking Process (1973)

Caitlin Dempsey

In 1973, the United States Army producedย training film TF5-4523ย entitled, “The Mapmaking Process” which it described as explaining the “theory of ...

Earth Wind Map

Caitlin Dempsey

Last year,ย Fernanda Viรฉgas and Martin Wattenberg of the site Hint.FM pulled near real-time data from theย National Digital Forecast Database, to ...

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