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Maps and Cartography
Real-time Fire Mapping and Satellite Data
New satellites and improve image processing methods are better enabling the ability to provide real-time and near real-time mapping of wildfires.
Geo Announcements: QField 1.0 Released,NASA’s Spinoff Publication
In this week’s edition of Geo Announcements: QField, mobile GIS app from OPENGIS.ch, is now available, NASA’s Spinoff publication features the benefits of its GPS signal correction software, and the latest in press releases from the GIS industry.
Introduction to PostGIS
This three-part introduction to PostGIS from Kayla Patel provides an overview of this open source GIS software.
Lessons From a Viral Map
As public engagement becomes more and more important to society, it’s useful for scientists to know what makes maps and other geospatial content go viral.
Spatial Analysis
Mapping Migration Based on Search Data
Researchers have create ways to map migration based on online searches of migrants as they prepare to leave their country of origin.
Using GIS to Analyze People’s Attitudes
GIS can help researchers analyze spatial data within social media posts in order to understand how people react to different features in their environment.
Mapping School Performance and Inequality With GIS
With GIS, researchers can look at how effective schools are relative to spatial measures.
How Archaeologists are Using GIS to Explore Sounds of the Past
Two archaeologists are using GIS tools to model the ancient soundscape of New Mexico’s Chaco Canyon.
GIS Software
A Case Study on Converting a Geodatabase From ArcGIS for Use in QGIS
In this article Charles Altendorf outlines a method he developed to convert GIS data located in a geodatabase created in ArcGIS into open source data that can be used in QGIS.
R Packages for Spatial Analysis
Looking for R spatial packages?
Missed the Latest QGIS User Conference? Access the Videos Online
Recorded presentations from the 2019 QGIS International User Conference are now available online.
Latest Release of ArcGIS Online Introduces New Features and Enhanced Capabilities
Bernard Szukalski, Esri tech evangelist and product strategist, introduces new features and enhancements to the latest release of ArcGIS Online.
GIS Learning
Case Study: How Brindisi, Italy is Using GIS to Help Preserve its Ancient Architecture
The city of Brindisi, Italy deployed a solution from Pitney Bowes® that provides 80 to 90 percent faster performance, while dramatically improving the user-friendliness of maps and significantly reducing staff time dedicated to mapping.
Free Ways to Learn QGIS
If you want to start learning how to use QGIS, a free and open source GIS software package, there are some excellent free resources out there.
Free Synthetic Aperture Radar Handbook Available for Download
User can download this free handbook which provides insight into how different Synthetic Aperture Radar (SAR) methodologies can be used for forest monitoring and biomass estimation.
What is GIS?
GIS is a technological field that incorporates geographical features with tabular data in order to map, analyze, and assess real-world problems. The key word to this technology is Geography – this means that some portion of the data is spatial.
GIS Data
First Data from NASA’s GEDI Program to 3D Map Forests
The first set of data that have returned have demonstrated GEDI is able to measure density of forests far better than previous satellite missions.
Download 2018 NAIP Imagery
Aerial imagery covering 20 states has been uploaded to the USDA’s direct download site for NAIP imagery.
Download 30-Meter SRTM Data Easily With This Point and Click Interface
Derek Watkins has created a simple and easy to use interface for downloading 30-Meter SRTM data.
Mapping Land Cover by Stacking Landsat Imagery
Landsat 8 is offered as free, open data, which has led to new innovation in methods to better utilize such data for time series and complex scenes that are sometimes obstructed by clouds or dust.
GIS Industry
Geo Announcements: NCSL Eastern Redistricting Seminar, Mapillary Marketplace
The May 31, 2019 edition of Geo Announcements includes GIS industry news from Maptitude, Visual Crossing, and Mapillary.
Geo Announcements: State Legislative Districts Data Products Available, Winners of the 2019 Student Paper Competition in Business Geography
May 10, 2019 edition of Geo Announcements features industry news from Caliper, Maptitude, Sparrow Data Solutions, Mapillary, and ThinkWhere.
Esri Announces Student Rate for Annual International User Conference
For $100, students can attend the entire five-day Esri International User Conference which takes place from July 8 to 12, 2019 in San Diego, California.
GIS and Blockchain
For Earth observation and GIS technologies, researchers have only recently begun contemplating what might be useful in applying blockchain technologies.