GIS Data

This category contains introductory text about GIS data such as types of error in GIS datasets, types of GIS data (raster and vector), and metadata. Find resources to finding GIS data and where to download data.

GIS Data

Accessing Real-time Satellite Imagery and Data

August 1, 2018By Mark AltaweelGIS Data

Tools and applications such as NASA’s Land, Atmosphere Near Real-time Capability for EOS (LANCE) program and EarthNow, a space imaging startup, are paving the way towards real-time and near real-time satellite data.

Ocean and Land Observation Data From Sentinel-3B

July 22, 2018By Katarina SamurovićGIS Data

The main mission of the recently launched Sentinel-3B is to provide quality ocean and land monitoring. As part of the Copernicus program, GIS data and imagery will be made freely available.

Creating Ground-level Views from Satellite Imagery

July 20, 2018By Mark AltaweelGIS Data

Recreating a ground-level image and perspective using satellite imagery has only recently been developed.

A New Global Peatland Map Expected for 2020

July 19, 2018By Claudia WindeckGIS Data

A new global high-resolution peatland map is expected for 2020.

Global Dataset of River Widths Developed from Landsat Imagery

July 1, 2018By Caitlin DempseyGIS Data

Researchers used a combination of satellite imagery and field measurements coupled with statistical modeling to calculate worldwide river and stream surface measurements which is now available as a GIS dataset.

125 Million Building Footprints in the US Now Available as Open GIS Data

June 28, 2018By Caitlin DempseyGIS Data

Microsoft has made 124,885,597 footprints from all 50 U.S. states available as open data.

Improving Geospatial Data Search

June 27, 2018By Mark AltaweelGIS Data

Open standards and protocols have facilitated data sharing and application for spatial information on the web such as using Web Map Service (WMS).

Swarm Satellites Bring New Findings About Ocean Magnetism

June 23, 2018By Katarina SamurovićGIS Data

In 2013 the European Space Agency (ESA) launched a trio of satellites called “Swarm”, which are specialized in capturing Earth’s magnetic activity including ocean current magnetism

Sentinel-5P Tracking Emissions from Hawaii’s Kīlauea Volcano

May 29, 2018By Caitlin DempseyGIS Data

Researchers are using data from the Sentinel-5P satellite to map out sulphur dioxide emissions from Hawaii’s Kīlauea volcano.

New High Resolution DEM of Antarctica Available for Downloading

May 19, 2018By Caitlin DempseyGIS Data

250 million measurements have resulted in the release of the highest available resolution digital elevation model (DEM) covering Antarctica.

GIS and Map Contests Roundup

Current map and GIS related competitions listed in order of the competition deadline.

ArcGIS Online and Android

Developers can work with ArcGIS Online in tandem with Android Studio in order to make their applications available to a wider mobile audience.

Elements of a Map

Maps are the primary tools by which spatial relationships are visualized. Maps therefore become important documents. There are several key elements that should be included each time a map is created in order to aid the viewer in understanding the communications of that map and to document the source of […]

Learn GIS for Free

There are a few online options to learn GIS for free. Take advantage of resources that provide you access to free courses from some of the world’s best universities and institutions.