Articles
New Global Elevation Data Available: Global Multi-resolution Terrain Elevation Data 2010
NGA and USGS revised and improved their global elevation model.
Various Forms of Carbon Sequestration: Helping the Overloaded Carbon Cycle
There are three main ways in which carbon can be removed from the atmosphere: physical processes, chemical processes and biological processes.
Ptolemy’s Geographia
Ptolemy was not only a geographer but a mathematician, astronomer, astrologer, and even a poet.
Explaining Socium, a Cloud Based GIS Data Validation Service
Abbie Beckford, Customer Relations and Marketing Manager at Socium, shares insight about the new launch and what the benefits of ...
Animation of Southern Lights (Aurora Australis)
This animation of the Southern Lights was recorded on September 11, 2005, four days after a solar flare sent an ionized gas of protons and electrons known as plasma towards the earth.
Online Mapping Sites
Web mapping is now vital to most people, providing virtual geography and driving directions on a daily basis.
Nokia’s Crowdsourcing GIS Effort
Nokia recently launched Map Creator (in beta), tossing its hat into the crowdsourcing GIS ring. While the announcement proclaims, “We’ve ...
Geosk: GIS Data as a Service (Daas)
Whats is Geosk and what does it mean for GIS data delivery? Scott Robinson, Director, Global Data Products at Pitney Bowes Business Insight, explains what Geosk means for GIS Data as a Service (DaaS) and how cloud computing can be used to delivery GIS data online.
Gifts for Geographers and GISers
If you're trying to figure out the ideal gift for the GISer or geographer on your list, check out these great ideas for your Christmas and holiday gift shopping.
Fusing Fine Art with Cartography
David McCarter's cartography infuses fine art with map making to create colorful maps.
What is the Public Land Survey and Why Do We Still Use It?
Have you ever wondered why on legal documents your house is not listed with your address but rather by parcel ...
Creating Maps for Wikipedia and Printed Materials with ShareMap.org
By: Jakub Kaniewski The availability of simple online mapping tools (such as what Google Maps offers) allows those with limited ...
Geography Careers
“Well, I guess you can always teach.” If this is the response you get from friends and family when you ...
Explaining How Dark Sky Works
Dark Sky is a short term weather predictor protoype for iOS devices (more about the developers efforts to turn this ...
Global Navigation Satellite Systems
Few tools have helped change and improve data collection within the field of Geographic Information Systems (GIS) more than Global Positioning System (GPS).
Island Biogeography of the Great Basin
The theory of island biogeography is one of the explanations as to why speciation occurs.
Using Unmanned Aerial Systems (UAS) for Remote Sensing of Archaeological Sites
Unmanned vehicles are becoming more widely available both in the military and civilian sectors for their usefulness for remotely acquiring ...
Understanding the Earth’s Gravity with ESA’s Swarm Satellites
The European Space Agency will be launching three satellites next year with the objective of studying the earth's gravity.
Updated 3D Global Topo Data from NASA
Based on measurements from NASA’s Terra spacecraft, a new 3D topographic map has been released as a joint effort by NASA ...
Google MapsGL
GoogleMapsGL which combines Google Maps and Web Graphics Library (WebGL) brings 3D graphics to web browsers without the need to install 3D software.
Detecting Surface Change and Avalanche Mapping
Due to the precise measurements take can be taking from InSAR, changes in land movements can be detected as small as a few millimeters.
Making Maps with R
R language is a commonly used programming language and open source software that can be utilized by statisticians for statistical ...
What is Geodesign?
Recent progress with the use of technology to analyse data from various sorts to a very fine level of granularity ...
WhatWasThere – Augmented Reality
WhatWasThere is an augmented reality application that features a growing online database of geolocated historical photos. You can search for photos ...