Spatial Analysis Archives

A basic map showing cities with a bar graph icon for each of the cities.

Using GIS to Map Trends in Employment

This tutorials shows users how to analyze ACS data from the US Census Bureau to calculate employment shift-share and location quotient using Maptitude.

Screenshot showing a watershed boundary with lines showing the density of water flow on top of a base map.

How to Use ArcGIS Pro to Map Watersheds

by Jeff Oppong

This tutorial shows you how to use ArcGIS Pro to delineate watersheds and drainage paths from elevation data.

Forecasting Wildfire Behavior: Earth Observation and GIS

by Mark Altaweel

Advances in GIS, remote sensing, and machine learning are leveraging land and weather data to improve fire prediction models.

A screenshot of a map showing the results of a location allocation analysis in ArcGIS Pro.

Basic Uses of GIS

by Caitlin Dempsey

What are the basic uses of GIS? This article reviews some of the most common and basic users of GIS including mapping data, proximity analysis, buffers, cluster mapping, and querying a geographic area for features.

Side by side satellite images, one before a tornado, and one after a tornado.

Mapping Tornado Tracks with Satellite Data

by Mark Altaweel

Researchers used satellite imagery and remote sensing to map tornado tracks.

A gray map of Oklahoma with the point locations of cities buffered in different sized purple circles depending on the elevation.

Buffers in GIS

by Caitlin Dempsey

A buffer in GIS is a reclassification based on distance.

Screenshot of a mapping application showing satellite imagery with areas that have hurricane damage outlined in orange.

Using Geospatial Technologies to Map Hurricane Response

by Mark Altaweel

Using satellite data and artificial intelligence, researchers have developed a way to rapidly map hurricane destruction.

A map of a statistical surface with a gradient of mostly yellow and shades of orange.

GIS and Spatial Interpolation Methods

by Mark Altaweel

The use of spatial interpolation methods in GIS have proven vital from areas such as public health to interpreting weather patterns.

Heat Maps in GIS

by Caitlin Dempsey

Heat mapping, from a GIS perspective, is a method of showing the geographic clustering of a phenomenon.

Map showing Rhode Island. Areas in red have a high GEMI index.

How to use ArcGIS Pro and Landsat 8 Imagery to Calculate Chlorophyll Index and Global Environmental Monitoring Index

by Jeff Oppong

Tutorial on how to use ArcGIS Pro to determine the Chlorophyll Index (CI) and the Global Environmental Monitoring Index (GEMI) of Landsat 8 imagery in an area of interest.