Caitlin Dempsey

Caitlin Dempsey is the editor of Geography Realm and holds a master's degree in Geography from UCLA as well as a Master of Library and Information Science (MLIS) from SJSU.

Gerrymandering Map Font

Caitlin Dempsey

Designers Ben Doessel and James Lee created a free font that forms the letters of the alphabet using congressional district shapes.

Can GPS work on the moon? Some researchers believe so.

Can GPS Work on the Moon?

Caitlin Dempsey

NASA researchers found that existing GPS satellites can provide navigational signals to the moon, aiding astronauts in future lunar missions.

A image of a mountain with the black silhouette of a bird of prey flying with annotations to show the difference between elevation and altitude.

What is the Difference Between Elevation and Altitude?

Caitlin Dempsey

The geography terms altitude and elevation have slightly different meanings.

the jet stream shifted from about 49ยฐโ€‰S to 51ยฐโ€‰S between 1980 and 2000 โ€” the years when the stratospheric ozone layer over Antarctica was becoming depleted. The trend alters after 2000, when the ozone layer began to recover as a result of the Montreal Protocol, which banned ozone-depleting substances. Image: Banerjee et al., 2020.

As the Ozone Layer Recovers it is Changing Wind Patterns

Caitlin Dempsey

Researchers from the University of Montreal used satellite data and climate modeling to understand how the recovery of the ozone layer has affected the Earth's atmosphere.

Open Access Novel Coronavirus Data

Caitlin Dempsey

A newly published article in Nature's Sci Data decribes how epidemiologists collected and curated individual-level novel coronavirus data from a variety of national, local, and news sources.

Scanned map of Shrewsbury, Shropshire, with annotations in Burghleyโ€™s hand: Royal MS 18 D III, f. 90r. British Library.

See the First Atlas Created of a Country

Caitlin Dempsey

The "Atlas of the Counties of England and Wales," published in 1579, is the first atlas produced for any country.

Screenshots from the Kort OpenStreetMap app.

How to Volunteer Your GIS and Cartography Skills

Caitlin Dempsey

Those with GIS and cartography skills that want to volunteer to help out can do so remotely with these calls for actions as mapping non-profits respond to the coronavirus pandemic.

GIS and Cartography Material Available for Online Teaching

Caitlin Dempsey

Several institutions and professors have offered up readily available online resources that can be used to virtual teach cartography and GIS courses.

Differential grasshopper (Melanoplus differentialis). Photo: NPS | Katy Cain, public domain.

Higher Carbon Dioxide Makes Grasslands Less Nutritious for Grasshoppers

Caitlin Dempsey

One group of researchers looked at more than 40 species of grasshopper in the Konza Prairie in Kansas to see the effect of changing plant nutrients on insect populations.

Fire and Drought in the Amazon is Decimating Dung Beetle Populations

Caitlin Dempsey

Fire and drought are killing off dung beetles in the Amazon.

Access Open GIS Data for Almost 11 Million Trees with OpenTrees

Caitlin Dempsey

Developed by Steve Bennett, OpenTrees.org lets you visualize and download GIS data for almost 11 million city and park trees around the world.

Europe’s Largest Solar Energy Plant

Caitlin Dempsey

With 1,430,000 solar panels, Nรบรฑez de Balboa in Spain is currently Europe's largest solar plant.

Updated Global Elevation Data Released by NASA

Caitlin Dempsey

A new global digital elevation model (DEM) has been released by NASA.

This Detailed Map Shows 119 Years of Earthquakes

Caitlin Dempsey

The USGS has released a highly detailed and updated map of seismicity from 1900 to 2018.

Gallery of Map Monsters

Caitlin Dempsey

Here's a growing gallery of map monsters.

Using Twitter to Map Nuisance Flooding

Caitlin Dempsey

To get a better understanding of localized flooding, the researchers mined Twitter data for geolocated tweets to fill in the gaps in data about flooding.

Most Tourists Don’t Stray Far From the Road When Taking Photos in National Parks

Caitlin Dempsey

Cartography students mapped out 800,000 geotagged photos posted to Flickr to analyze how far those pictures were taken from a road.

Mumbai police have launched an anti-honking campaign to reduce noise pollution in the city.

Mumbai Police Fighting Noise Pollution With Enforced Patience

Caitlin Dempsey

In an effort to lower noise levels, the Mumbai Police have set up noise meters at select traffic signals around the city called "Punishing Signals".

Using GIS to Assess Urban Tree Canopy

Caitlin Dempsey

The University of Vermont Spatial Analysis Lab used spatial analysis to map out how the city of Philadelphia's tree canopy changed between 2008 and 2018.

How to Add Leader Lines to Labels in QGIS

Caitlin Dempsey

The release of QGIS version 3.10 brought with it the native capability to add leader lines to labels.

Groundhog. Photo: NPS, public domain.

Why Do Groundhogs Really Emerge on February 2?

Caitlin Dempsey

Why do groundhogs emerge around February 2? Hint: it's more to do with Valentine's Day.

Windblown Snow. Image: NASA/Michael Studinger, public domain

What is a Snow Devil?

Caitlin Dempsey

Miniature vortexes of wind can stir up snow in a formation known as a snow devil.

GIS Data of the Moon’s Geology

Caitlin Dempsey

The USGS has released GIS data from its new Unified Geologic Map of the Moon.

An Incredibly Detailed Map of the Moon’s Geology

Caitlin Dempsey

Entitled, "Unified Geologic Map of the Moon" the newly created map summarizes the current state of lunar geologic knowledge.

Geography Facts About the Pacific Ocean

Caitlin Dempsey

Learn some geography facts about the world's largest ocean.

The Atacama Desert, which normally receives only 1 to 3 millimeters of rain a year, had a rare snowfall in 2011. Image: NASA, public domain.

Driest Non-polar Desert in the World

Caitlin Dempsey

Situated in northern Chile, the Atacama Desert is one of the driest places on Earth.

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