Articles

An image showing in red areas of heat loss in a residential street.

Making Maps in the Dark

Geo Contributor

Bluesky International, an aerial survey company, utilizes advanced thermal survey equipment to accurately measure heat loss from buildings and structures across the UK at night.

GPS Jamming

Caitlin Dempsey

GPS jamming disrupts GPS signals and can have severe impacts on transportation, military, and emergency services.

Satellite imagery

Caitlin Dempsey

Digital imagery can greatly enhance a GIS. Part of the raster data types, imagery is a powerful visual aid and ...

Enhancing Shorelines with Vector-Based Coastal Vignettes

Caitlin Dempsey

Creating coastal vignettes using GIS or mapping software is a cartographic technique that adds depth to open water on a map.

GIS Use By Power Distribution Companies

Geo Contributor

Jayant Sinha writes about the application of GIS and geospatial technologies in the power distribution sector.  Sinha has over 24 ...

Geocoding Shortcut: Google Maps to ArcMap

Caitlin Dempsey

Geocoding a dataset to produce a georeferenced layer requires access to a basemap to which the location data is tied. ...

Geographic Profiling

Caitlin Dempsey

The geographic profiling concept proposes that criminals tend to commit acts of crimes within a comfort zone located near but not too close to their residence.

This station contains a combined GPS and seismometer. Photo: USGS geologist viewing the northeastern slope of Mount Hood from Shellrock monitoring station, Liz Westby, USGS Cascades Volcano Observatory. Public domain, July 16, 2015.

Geocaching – High Tech Treasure Hunting

Caitlin Dempsey

Geocaching is an outdoor recreational activity in which participants use GPS devices or smartphone apps to hide and seek containers, called "geocaches" or "caches", at specific locations marked by coordinates all over the world.

How to Install ArcView 3.x on Windows 7

Caitlin Dempsey

This article contains two different solutions for getting ArcView 3.3 to run on Windows 7.

Spatial Database Engines

Caitlin Dempsey

Spatial Database Engines help manage spatial data to provide a quicker retrieval of that data from database engines such as ...

Sidewalk Inventory Study: Improving Safety, Walkability, and Development Issues for the City of Rancho Cucamonga

Geo Contributor

A sidewalk inventory program implemented for the City of Rancho Cucamonga, CA, is not only resolving safety concerns but will ...

Mapping Through the Ages: The History of Cartography

Caitlin Dempsey

The fascination and interest for the world that we inhabit, has been inherent to human nature since prehistoric times. Some ...

Map of Global Temperatures Since 1880

Caitlin Dempsey

NASA takes a look at global temperatures and has a short piece and animated map showing the global change in ...

The top image is a shaded relief map of the California area with greens to yellows to browns to represent the landscape. The bottom image is a detailed look at the raster cells.

Recent Advances in GIS Technology

Elizabeth Borneman

This article examines recent GIS technology advancements, such as crowdsourcing, cloud-based systems, and the potential of 4D GIS.

Why GIS Doesn’t Replace the Need for Surveyors

Geo Contributor

With all the readily available aerial and satellite imagery, it is a legitimate questions to ask if GIS can be ...

Trimble GPS Handhelds Support Green Initiatives for the City of Shanghai

Geo Contributor

City of Shanghai implements environmentally conscious initiatives using Trimble GPS technology to improve the quality of life for city residents. ...

A screenshot showing a grid of maps.

BantamGIS

Geo Contributor

Michael Chamberlain discusses the motivation and process behind the creation of his website, BantamGIS.com.

Mapping Citizen Engagement through GIS

Geo Contributor

Guest article by Timothy W. Carl Nowadays mapping tools are commonplace, especially on the internet, and we can see anything ...

Waze: Crowdsourcing traffic and roads

Caitlin Dempsey

Waze has a free social mobile application that uses real-time input from local drivers to update traffic conditions for other ...

A screenshot from Google maps showing the Florida town of Sunrise.

Sometimes Sunrise Doesn’t Exist: Controversial Decisions to Remove Towns from Maps

Caitlin Dempsey

For about a month, the Florida city of Sunrise was mysteriously missing from Google Maps.

The World in 2050

Caitlin Dempsey

Dr. Laurence Smith, a professor with the Department of Geography at UCLA, has a new book out called "The World in 2050: Four Forces Shaping Civilization's Northern Future."

Astronomy – GIS For Other Planets

Caitlin Dempsey

Not just for landlubbers, the use of GIS technology has applications in astronomy. Browse this list for GIS and mapping ...

Utility Uses Trimble Technology to Develop Accurate GIS Database of Medium-Voltage (MV) Network

Trimble

Guest article from Trimble. Home to more than 1.5 million people, Belgrade is the third largest and one of the ...

Urban Disaster Prevention Spatial System

Geo Contributor

Guest article from SuperGeo. SCENARIO On September 21st, 1999, a 7.3 strong magnitude earthquake rocked Taiwan. It caused thousands of ...

Views from the 2010 Esri UC

Kristina Jacob

GIS professional and photographer Kristina Jacob shares photos from the 2010 Esri International User Conference

Global Forest Heights

Caitlin Dempsey

Where are the tallest forests in the world? NASA has an article on the first global map of the world's forest heights. The map was created with data collected by NASA's ICESat, Terra, and Aqua satellites.