GIS and Geospatial Technologies

Articles focusing on the application of geographic information systems (GIS), geospatial technologies, remote sensing, LiDAR, and Global Positioning System (GPS). These technologies serve as critical tools for understanding and interacting with our physical environment. GIS allows for the mapping and analysis of spatial data Geospatial technologies refer to the various tools used to measure and analyze Earth’s lands and resources. Remote sensing provides a way to collect data from a distance, often via satellites or high-flying aircraft, and is commonly used for environmental monitoring and military applications.

GIS subcategories :

GIS Career | GIS Data | GIS Industry | GIS Learning | GIS Software | GPS | Remote Sensing | Spatial Analysis

Roger Tomlinson, 1967.

Who Coined the Phrase Geographic Information System?

Caitlin Dempsey

The phrase Geographic Information System was a term promoted by Roger Tomlinson back in the 1960s.

Topo earrings

Fun Map and Geography Themed Gifts for 2012

Caitlin Dempsey

The gift giving season is upon us.  So, what to get for that Geogeek or map aficionado? [accordion] [toggle title=”Disclosure ...

Composite Map of the Earth at Night, 2012. Source: NASA.

New Map of the Earth’s Night Lights

Caitlin Dempsey

NOAA has released an updated map of the Earth, showing light sources at night from street lights, oil and gas drilling, wildfires, volanic activity, and skyglow.

Change Detection in GIS

Caitlin Dempsey

Change detection in GIS is a method of understanding how a given area has changed between two or more time ...

New approach for turn restrictions by Tim Hirrel.

Turn Restrictions Simplified

Geo Contributor

Tim Hirrel takes a look at a new method for implementing turn restrictions in GIS street data.

Large cities in 2005 by Norpil

World GIS Data

Caitlin Dempsey

Looking for global GIS data? Listed here are free sources for finding GIS data in both vector and raster formats ...

GIS Techniques

Caitlin Dempsey

Listed here are GIS techniques covering GIS data creation and manipulation, geoprocessing, mapping and spatial analysis.

Twitter map showing one million geolocated tweets.

Twitter Map of the Last One Million Tweets

Caitlin Dempsey

Want to see where the most recent one million geolocated tweets were posted from?  The One Million Tweets Twitter map ...

Hurricane Sandy crowdsourced image classification effort.

Help Classify Images of Hurricane Sandy Damage

Caitlin Dempsey

Volunteers are needed to classify images of Hurricane Sandy to help FEMA.  The site is using open source image sorting ...

A Hurricane Sandy map created using MangoMap entitled “Could Hurricane Sandy be New York’s Fukushima ?”

Hurricane Sandy Maps with Open Data and GIS Publication Platforms

Chris Brown

This guest submission by Chris Brown, CEO of MangoMap, takes a look at how open data and online GIS publication ...

The GIS Career, Revisioned

Caitlin Dempsey

GIS tools and software applications are becoming more intuitive, more user friendly.  There is a mindset that is slowly being ...

Layers of GIS Data

Where is the Phrase “80% of Data is Geographic” From?

Caitlin Dempsey

Those that work in GIS data have probably heard the phrase "80% of data is geographic". What is the origins of this phrase, and is it true?

Mapping Hurricanes

Caitlin Dempsey

Information about embedable hurricane maps, historic hurricane tracks, and the top list of most damaging hurricanes from NOAA.

Seaview

The Many Modes of Google’s Street View Program

Caitlin Dempsey

Google’s street level imagery gathering is an enormous data collecting effort.  Street View launched in May of 2007 and Google ...

Dos and Don’ts of Web Map Design

Caitlin Dempsey

The proliferation of easy to use tools and web services has brought web mapping a long way from its origins. ...

Basic Geographic Concepts

Caitlin Dempsey

Listed here are the basic geographic concepts for geographic understanding and inquiry.  When looking at the geography of an area, ...

What Can You Do With GIS?

Caitlin Dempsey

As well has having significant application in the worlds of business and commerce and natural resources the largest pool of ...

Geographic Analysis with GIS

Caitlin Dempsey

The vast majority of information present in the world has some form of spatial element connected with it.  A geographic ...

GeoSocial Interactive Map for Transportation Project Planning

Caitlin Dempsey

This week a spectacular conference aimed towards transportation professionals is being held in Los Angeles called Rail~Volution.  The aim of ...

A view of an aspen forest showing yellow and green leaved trees with a hill and a ridge in the background.

GIS and Natural Resource Management

Geo Contributor

Peter Rodericks Oisebe, a Natural Resource Management Consultant in Kenya writes about the applications of GIS in mapping and managing natural areas.

SDTS – GIS Data Standard

Caitlin Dempsey

SDTS stands for Spatial Data Transfer Standard.  SDTS was a standard for transferring earth-referenced spatial data across disparate computer programs.  The U.S. ...

GIS Skills

Caitlin Dempsey

What skills are needed to be a successful GIS professional?  Broken down by category, listed here is an in progress ...

The images above were acquired by the Daedalus sensor aboard a NASA aircraft flying over the Maricopa Agricultural Center in Arizona on January 30, 2001.

Geospatial Technologies in Precision Agriculture

Geo Contributor

Discoveries in the field of science and technology have enabled farmers to effectively use their input to maximize their yield.

Data Capture in GIS

Geo Contributor

This article provides a brief overview of the GIS data collection process along with examples of methodologies for GIS data ...

Geoarchaeology

Caitlin Dempsey

Geoarchaeology uses geospatial technologies such as GIS in combination with human, physical, and environmental concepts pulled from Geography and Geology.

How to Cite GIS Materials

Caitlin Dempsey

How do you cite GIS materials such as map, GIS data, and GIS software? Listed here are examples on how to cite GIS work.