Caitlin Dempsey
Atlas of Urban Geography from the 16th Century Reissued
The earliest atlas of cities, Civitates Orbis Terrarium (or Cities of the World) captured a time of incredible urban development and cartographic innovation.
Map Any Word Across the World
Word Map is a fascinating online mapping application that lets the user type in any word and see that word mapped in the official or dominant language of each country around the world.
Earthquake Time Bombs
In his new book, Earthquake Time Bombs, Yeats discusses the world’s most dangerous earthquake hotspots, the communities at risk, and how the public can mitigate the effects of future disasters.
Isthmus
An isthmus is a narrow strip of land connecting two larger land masses which is bounded by water on two sides.
Cartography in Literature Now Online
The History of Cartography project has scanned and made available online its series "Literary Selections on Cartography."
Commercial GIS Software Applications
Listed below are GIS software packages that provide all-encompassing mapping and spatial analysis capabilities via the desktop.
Mapping the Destruction of UNESCO World Heritage Sites
Culture Under Threat Map was launched to highlight the destruction happening to historical sites in the Middle East and North Africa.
Animated Map of 118 Birds Species Migrating
Using millions of observations, scientists from the Cornell Lab of Ornithology have mapped out the migration of 118 bird species in the Western Hemisphere.
Providing Good Directions Depends on the Order of the Words
How you order words when giving directions affects how quickly recipients can successfully follow those directions.
Transit Explorer: Mapping all of North America’s Transit Routes
Transit Explorer is a mapping application that visualizes current, planned, and proposed transit routes across Canada, the United States, and Mexico.
Errors in the Fortune 1000 Lists
This article discusses some of the errors prevalent in the Fortune 1000 lists from which the "Geography of Fortune 1000" series is based on.
What is a Shapefile?
The shapefile format is now a common format for storing GIS data. Shapefiles store non-topological vector data along with related attribute data.
Terra Pericolosa and Terra Incognita
Terra pericolosa and terra incognita were terms used by Ancient Roman and Medieval cartographers to indicate either dangerous or uncharted areas on maps.
Who is the Father of GIS?
Roger Tomlinson, known as the "Father of GIS," coined the term "geographic information systems."
The Only Sea in the World Without a Coast
The Sargasso Sea is a "sea within a sea" with no land boundaries.
How to Find a Unique Gift for a Geographer
If you are looking for a unique gift idea for a geographer in your life beyond yet another atlas, globe, or wall map, find some ideas here for unique geographically themed gifts.
GIS vs. Surveyors Court Case to Start on GIS Day
Instead of celebrating GIS on November 18th, one company will be defending its GIS and GPS services as a case against them will start oral arguments in Pennsylvania.
How to Make a Tile Grid Map Using Excel
Step-by-step tutorial for creating a tile grid map of the United States using Excel.
Dissected Maps: the First Jigsaw Puzzles
The earliest jigsaw puzzles were created as educational tools. Known as "dissected maps" these early puzzles were used to teach geography.
A Brief History of GIS
From the early days in Canada to the high tech world of internet mapping, the field of GIS is older than you may think.
Manicouagan Crater – The Earth’s Largest Impact Crater Visible from Space
This vivid satellite image shows the "Eye of Quebec", Manicouagan Crater, one of the Earth's oldest and the most visible impact craters.
Spooky Sky Created by a Coronal Mass Ejection
An eerie night sky in Norway as the result of a coronal mass ejection (CME).
Drones and GIS: A Look at the Legal and Ethical Issues
The ethical and legal issues about gathering geographic data using drones can be divided into four main areas: regulations, privacy, safety, and noise.
How Many Trees are There in the World?
According to the latest research, the total number of trees in the world is 3.041 trillion (that’s 3,041,000,000,000). The revised number is ...
Mapping Algal Blooms in Lake Erie
EOMAP has released a mapping application designed to track algae blooms in Lake Erie.