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

Map showing the mean NO2 concentration for the entire country of Belgium, for Thursday, October 8, 2015. Source: Dewulf et al., 2016.

GIS, Pollution, and Health

Mark Altaweel

GIS has been used to assist in showing strong or weak links for given health conditions to different types of pollutants.

MeteoInfo, a open source tool that combines data visualization with spatial analysis.

GIS and Visualizing Atmospheric Science Data

Mark Altaweel

The use of new data models has allowed more traditional GIS data models to be integrated with those used in atmospheric science.

How GIS Helps Small Ships Navigate

Mark Altaweel

GIS has been utilized in sailing and other small craft to help navigate not just the location of other vessels but also land features and obstacles that may arise or even cause danger to boats.

Model of the 2003 Halloween solar storm on October 30. Source: University of Bath.

Improving Satellite Navigation in the Far North

Elizabeth Borneman

There is currently an effort to extend satellite navigation abilities into the north polar regions for transportation that occurs on land, over the water, and in the air.

Using Satellite Data to Calculate Groundwater

Elizabeth Borneman

A computer algorithm has been developed at Stanford University that allows researchers to determine groundwater levels using satellite imagery.

View Landsat 8 Imagery With This Free Tool

Caitlin Dempsey

Users can search, view, and access Landsat 8 imagery with this free online web viewer developed by EOS Data Analytics.

How GIS Helps Drive Hydrography Data

Sangeeta Deogawanka

There are more high resolution maps of the Moon and Mars, than the seafloor.

Local spatial autocorrelation for percent Republican, presidential election 1976. Map of the Cincinnati metropolitan area from Kinsella et al., 2015.

GIS, Elections, and Politics

Mark Altaweel

Political geography focuses on past election cycles in order to look at how voting patterns develop and why. Mark Altaweel discusses how GIS can be used to study those patterns.

Sudden Landslide Identification Product (SLIP) developed by NASA detects landslide potential by analyzing satellite imagery for changes in soil moisture, muddiness, and other surface features. The Landsat 8 satellite capture the left and middle images on September 15, 2013, and September 18, 2014—before and after the Jure landslide in Nepal on August 2, 2014. The processed image on the right shows areas in red indicating a probable landslide and areas in yellow showing a possible landslide. Source: NASA.

Using Remote Sensing to Automate the Detection of Landslides

Elizabeth Borneman

The Sudden Landslide Identification Product (SLIP) developed by NASA detects landslide potential by analyzing satellite imagery for changes in soil moisture, muddiness, and other surface features.

Image from the EO4OG webpage (accessed July 2016)

Use of Earth Observation Data for Oil and Gas

Geo Contributor

Andrew Cutts, owner of ACGeospatial, discusses the role of GIS and earth observation data in the oil and gas industry in this guest article.

QR code corresponding to the pane of a geosite. Source: Martínez-Grata, Goy, & Chimaera, 2013.

GIS and Quick Response Codes

Mark Altaweel

As smart phones and Quick Response Codes (QR codes) have become ubiquitous, it perhaps should not be surprising we are beginning to see applications integrating QR code data with GIS.

Geographic pattern of illegal border crossings. Source: Rossmo, et al., 2008).

Using GIS to Map Drug Trafficking

Mark Altaweel

GIS has significantly aided police in crime prevention, notably in fighting drug trafficking.

Screenshot from the GAEZ data portal.

FAO Uses GIS to Protect Agricultural Economy of Vulnerable Countries

Geo Contributor

Lucia Moro, with the Food and Agriculture Organization (FAO) Geospatial of the United Nations, discusses the agency's work on the development of a global land cover database to support agricultural policy makers and rural land use planners efforts to reduce poverty.

GIS and Small Business Planning

Mark Altaweel

Small businesses increasingly use GIS for spatial analyses like kernel density estimation or Monte Carlo simulation to boost their success.

Using the TravelTime Search API to Generate an Isochrone

Geo Contributor

This step-by-step guide developed by staff at TravelTime shows how to draw a travel time polygon, filter points of interest by travel time and deliver A to B routing information all in one API call.

Screenshot of a mapping application with an aerial and a blue mesh overlay.

Using GIS to Streamline and Automate Asset Management

Geo Contributor

Michael Boyd from Novotx writes about how Del-Co Water Company in Ohio uses GIS to to automate workflow processes and streamline operations.

After the Map GIS Data Available

Caitlin Dempsey

A bonus to the book, After the Map, is the companion site, www.afterthemap.info which offers access to all of the imagery, spreadsheets, and GIS data used in the book.

A thematic map of an underground mine and ZigBee node positions in ArcGIS. Source: Moridi et al, 2015.

GIS and Underground Mining

Mark Altaweel

GIS has been utilized to monitor tunnels and areas explored, as it provides both 3D visualization and abilities to integrate various sets of data for visual and quantitative analysis.

How to Make the Most of QGIS

PACKT Books

To get the most out of QGIS it’s not enough to simply know how to write the lines of code you need, and how to integrate with other exciting tools but rather, the more control you have over a tool like QGIS, the more you’ll be able to visualize and explore your ideas.

Average number of reporting weather stations in Rwanda during 1981 to 2013. Note the drastic drop in 1994. (Data source: Dinku et. al, 2016)

Building Missing Weather Data

Elizabeth Borneman

Called the ENACTS (Enhancing National Climate Services) initiative, scientists are using satellite data in order to estimate rainfall, temperature, and other information to fill in a 15 year gap in climate data collection for Rwanda.

ArcGIS Spatial Analyst was used to generate a density surface from point data created by a single dancer's movements. Source: GIS to Understand Dance, and Vice Versa, 2009.

Using GIS to Choreograph Dance

Mark Altaweel

Researchers at Ohio State University developed GIS software to help track the movement of dancers over time to see their patterns, which was also then used to choreograph new classical routines

How to Map a Single Set of Coordinates Using QGIS

Caitlin Dempsey

Here are the steps you need to follow if you want to map a single set of coordinates with QGIS.

Fire Globe is part of NIFC’s GIS, Fire Enterprise Geospatial Portal (Fire EGP), which also operates on the Esri platform.

Using GIS During Fire Season

Troy Lambert

Every year, GIS users get better at assembling data and creating meaningful maps that help decision makers predict fires, set fire risk levels, and deploy assets in the most efficient manner possible.

How to Convert a Selection into a New GIS Dataset Using QGIS

Caitlin Dempsey

Here is a step-by-step tutorial on how to convert a geographic selection from one GIS dataset into a new GIS file using QGIS.

Sailing times from Rhodes (Ialysos or Kameiros), derived using an anisotropic surface. From: Leidwanger, 2013.

How GIS is Used to Understand History

Mark Altaweel

Historical geography is one area that has applied GIS to understand outcomes of battles, why cities were built in given locations, and using ancient technologies to understand length and difficulty of travel at different times of the year.

GIS and CAD Integration

Mark Altaweel

Mark Altaweel discusses efforts to create a truly integrated system, where CAD components and software concepts work with GIS data.