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GIS Learning

GIS Forums

Where can you go to get help with GIS issues?  There are a variety of different web sites that can help with GIS questions, depending on the type of technical or general questions you have.  While there are many geospatial forums that have been set up, only a handful are […]

GIS Data

Detected methane leaks in the city of Staten Island.Detected methane leaks in the city of Staten Island.

Mapping Methane Leaks with Google Street View Cars

Google partnered with the Environmental Defense Fund on a pilot project to use Google’s fleet of Street View cars to map out methane levels in three U.S. cities.  The cars were outfitted with sensors to detect and record methane leaking from city pipes in the cities of Boston, Staten Island, and […]

GIS Data

Columbia Glacier, in Prince William Sound, showing snow retreat from 1984-2011.

Timelapse Satellite Imagery – View Changes on Earth over Time

The series of Landsat satellites has been collecting global imagery continuously since 1972.  A total of eight satellites and millions of pictures (and trillions of pixels) has resulted in a hugh amount of imagery which, when compiled, visualizes the massive amount of global change over the past thirty+ years.  Landsat […]

GIS Data

A Google Street View Camera Car on display at Google's campus in Mountain View, CA, USA

The Many Modes of Google’s Street View Program

Google’s street level imagery gathering is an enormous data collecting effort.  Street View launched in May of 2007 and Google has since collected over 20 petrabytes of imagery with its program.  Google’s Street View provides 360-degree panoramic views in 39 countries and over 3,000 cities.  The number of places where Street […]

GIS Learning

Armchair Geography

Armchair Geography

Geospatial technology has allowed users the ability to travel the world without ever leaving home.  Users can explore the world, inside and out.  Last October, Google unveiled Google MapsGL which uses Google Maps and Web Graphics Library (WebGL), bring 3D graphics to web browsers.  Showcasing the advancement were sample 3D tours […]

GIS Software

The Politics of Google’s Mapping

The Politics of Google’s Mapping

Being one of the world’s leading online web mapping service means also trying to walk the impossible tightrope between the political bickering of countries.  More than a few times has Google found itself in the middle of a maelstrom involving the geopolitical delineations and labels shown in Google Maps and […]