May, 2014


Spatial Analysis

Map of Caesar's campaign against the Helvetii, 58 BCE.

Verifying Ancient Roman History with GIS

Can ancient events be verified with modern technology?  Caesar’s Gallic Wars recounts that more than a quarter of a million Helvetii resided in the Swiss  Plateau.  Running low on food, the Helvetii, according to his memoir, invaded Gaul in 58 BCE.  Now, researchers are using GIS to test the veracity of those accounts. […]

Spatial Analysis

Image 1: Fields burn near Presidente Prudente, São Paulo, Brazil. 50-cm color WorldView-2 image courtesy of DigitalGlobe.

The New Boom: Remotely Tracking Growth of the Sugarcane Industry in São Paulo, Brazil

Sugarcane production is a source of varied opinions and conflicting realities. While on the one hand it is contributing both to the takeover of farmland and to minor clearing of rainforest areas in South America, particularly Brazil, it also has the potential to serve as a renewable source of sustainable […]

GPS

The Zipments delivery app allows users to track their packages on their smartphone.

Crowdshipping: the Newest Development in Mobile GPS

Crowdshipping is the delivery of goods based on the selection of a courier closest to the delivery route. The service was inspired by crowdsourcing, or the act of enlisting a group of people to help with a project, and is already growing quite rapidly. Couriers typically provide one-day shipping (or […]

GIS Data

Artist rendering of the Proba-V satellite. Credit: ESA–P. Carril, 2012.

This Day in GIS: May 7 – Launch of Proba-V Satellite

Proba-V, the miniature satellite was launched on May 7, 2013 from French Guiana.  The “V” in the name stands for vegetation as Proba-V’s role is to capture imagery about the world’s vegetation to be used, for example, for day-by-day tracking of extreme weather, alerting authorities to crop failures, monitoring inland water […]

GIS Data

A portion of an engraving (top) used to print the black ink for a USGS topographic map (bottom) . (Photo courtesy of Bruce Geyman.)

USGS Map Engravings for Sale This Summer

Between the 1880s and the 1950s, the USGS produces engravings used to reproduce topographic and geologic maps within the agency.  Many of the excess engravings are being readied for sale or donation by the USGS.  The metal engravings are mostly copper alloy with a few made of zinc.  Most of […]

GIS Learning

Free Introduction to GIS Course

Simon Frasier University is offering a free self-paced MOOC (Massive Open Online Course) entitled “Exploring Geographic Information Systems“: Exploring geographic information systems (GIS) is a self-paced course where participants will learn about GIS and how the technology is being used in the real world to support problem-solving and decision-making. Participants will […]