Articles

Map of Halloween Costume Spending Across the United States. Source: Esri.

Halloween GIS Fun

Caitlin Dempsey

Looking to add a little geo to your Halloween beyond the proliferation of Halloween Trick or Treater online maps? Halloween ...

Natural color images from the NOAA-NASA Suomi NPP satellite of fires burning in Colorado. Image: NASA, August 15, 2020, public domain.

Three of Colorado’s Wildfires are the Largest in Recorded History for the State

Caitlin Dempsey

Widespread drought and heat waves are helping to fuel a record-breaking fire season in Colorado.

Douglas fir forest on the west side of the Cascade Mountains, McKenzie Pass, Willamette National Forest. Photo: David Goodrich, NOAA. Public domain.

Rapid Growth Shortens Trees’ Lifespans – and Adds to the Climate Crisis

Katarina Samurović

Researchers have found that trees growing faster due to warming conditions are also dying faster.

A camera onboard NASA's high-altitude ER-2 aircraft captured this earthquake induced avalanche in northwestern Canada. Source: NASA, public domain

Forecasting and Mitigating Avalanches Using GIS

Mark Altaweel

GIS and computational specialists have been developing models and methods to better forecast the likelihood of avalanches.

Cassiodorus book

Review | The Selected Letters of Cassiodorus: A Sixth-Century Sourcebook

G.T. Dempsey

A millennium and a half ago, or so, if you wanted to break away from the western Roman Empire, you simply called in the barbarians.

John Nelson is well known for his creative cartographic visualizations. One of his latest works is the "100 Years of Wildfire". The effort behind this map can be explored on two Esri blog posts: 100 Years of Wildfire: GIS-ification and 100 Years of Wildfire: Cartograph-izing.

How to Communicate with Maps

Mark Altaweel

Making maps requires a careful balance between science, art, and knowledge of your target audience. Features a MapScaping podcast with Esri's John Nelson.

An example of the building footprints open data set for Australia. Source: Microsoft.

11,334,866 Building Footprints for Australia

Caitlin Dempsey

Microsoft has released 11,334,866 building footprints covering the country of Australia.

October 2020 will see two full moons. Image: NASA, public domain.

Blue Moon on Halloween 2020

Caitlin Dempsey

For the first time since 2001, October will have two full moons.

Freshwater habitats are in decline and under threat. Lindsey Slough in the Sacramento-San Joaquin Delta is being choked by invasive aquatic vegetation. Photo: USGS, public domain.

WWF Report: Wildlife Has Declined 68% Since 1970

Katarina Samurović

In their latest Living Planet 2020 report, WWF revealed that global wildlife is facing catastrophic decline.

Recycle your old sneakers.

How to Recycle Sneakers

Caitlin Dempsey

There are a few options for recycling or donating your old sneakers.

Attu Island, Alaska, July 4, 2000. Source: NASA Terra Satellite, public domain.

This Island is the Westernmost Point of the United States

Caitlin Dempsey

Located towards the end of the Aleutian Island chain, this Alaskan island is the westernmost spot in the United States.

Mount Logan is the highest in mountain in Canada at 5,959 meters (19,551 feet)

What is a Mountain?

Caitlin Dempsey

While it is widely assumed that a mountain is higher than a hill, there is no universally accepted definition of a mountain.

Recent Developments in Spatial Analysis and Computer Vision

Mark Altaweel

Computer vision offers spatial analysts the possibility to conduct a variety of analyses without using traditional spatial tools.

Database schema.

GIS and SQL

Mark Altaweel

One way to leverage the power of GIS as a data service and analytical tool is to better integrate relational database capabilities.

What are the Top Geography Programs in 2020?

Caitlin Dempsey

The latest QS World University Rankings by Subject reveal updated rankings for Geography departments around the world.

The left image shows the USDA CDL layer for Corn and soybean classification around Webster City, Hamilton County, Iowa in 2001. The right image shows the results of the Corn-Soy Data Layer (CSDL). Figure: Wang et al., 2020.

Mapping Crops: Filling in Data Gaps with Landsat Archives

Caitlin Dempsey

A recent study analyzed twenty years of Landsat data to look at corn and soybean crops across the US Midwest from 1998-2018.

An analysis by The Washington Post found the 35th Congressional District to be among the top ten gerrymandered congressional districts. Maps created using Natural Earth data and the 16h Congressional District.

Using Spatial Methods to Combat Gerrymandering After the 2020 US Census

Mark Altaweel

The challenge for GIS is to create methods that can better determine what less biased district maps look like that are acceptable to the judiciary.

Review | Dreamers and Schemers

G.T. Dempsey

Barry Siegel's "Dreamers and Schemers" features William May Garland who propelled LA's early development into a major metropolis through his ‘irresistible life force’ of salesmanship.

A group of crows roosting in a tree at dusk.

Why Do Crows Flock in Large Numbers?

Caitlin Dempsey

Why do crows start gathering in large numbers at certain times of the year?

Paulette Returns as a Zombie Storm

Caitlin Dempsey

Paulette briefly evolved back into a tropical storm, making it a zombie storm according to NASA and NOAA.

Review | The 99% Invisible City

G.T. Dempsey

The 99% Invisible City explains the small mysteries in our everyday urban geography.

Screenshot from the Forest Observatory site.

The Important of Mapping Trees for Wildfire Management

Mark Altaweel

The California Forest Observatory, created by Salo Sciences, has applied a new artificial intelligence tool that maps every tree in California.

Laptop with QGIS, a desktop GIS software program

Self-employment in GIS

Mark Altaweel

Self-employment in the GIS industry may seem daunting, but a recent MapScaping podcast with Kurt Menke, founder of Birds Eye View GIS, discusses how to build your own business.

Crowded street in Tokyo, Japan by Alex Block

Study Forecasts World Population to Peak in 2064

Elizabeth Borneman

A report recently published by the University of Washington has estimated that the global population would peak in 2064 at 9.7 billion before declining to 8.8 billion in 2100.

QGIS on a laptop. Image: Caitlin Dempsey

Survey of GIS Professionals

Caitlin Dempsey

A quick look at GIS professionals, their educational background, and the software tools and programming languages they use in their jobs.

NOAA/NASA's Suomi NPP captured this image of a rare tropical-like storm system in the Mediterranean Sea intensifying off of Italy's southern coast on November 18, 2017. The image shows a well-defined eyewall as the storm entered the Ionian Sea between Italy and Greece. Image: NOAA, public domain.

What is a Medicane?

Caitlin Dempsey

Medicane is a tropical-like cyclone that forms in the Mediterranean Sea.

Previous 1…2627282930…103 Next