Articles

Orbital Insight uses shadows detected on satellite imagery to track construction rates in Nanjing, China.

Orbital Insight Shows How Artificial Intelligence (AI) Can Be Used to Study Images from Space

Zachary Romano

Orbital Insights has developed a โ€œdeep learningโ€ processes which uses artificial intelligence to pull data from satellite imagery.

Ancient temperate rainforest in the Upper Walbran Valley on Vancouver Island, BC. Photo: TJ Watt

Are Ecosystems That are Rich in Biodiversity More Resilient to Diseases?

Elizabeth Borneman

An ecosystem that is rich in biodiversity is stronger and more resilient to diseases, a recent series of studies has shown.

Map showing the urban heat island effect. Source: NASA

Vegetation Helps to Lessen the Effects of Urban Heat Islands

Elizabeth Borneman

The abundance, or lack, of vegetation in a city can have an effect on how much heat cities retain, known as the urban heat island effect.

Your Mobile Portfolio: Make it Your Own

Geo Contributor

Lowell Ballard, Director of Geospatial Solutions for Timmons Group, discusses the importance of making users feel like a part of your company's ecosystem by developing a mobile portfolio.

Astronauts onboard the International Space Station (ISS) captured this picture of light pollution emanating from the Italian city of Milan in 2015.

Changes in Light from Space

Elizabeth Borneman

Astronauts on the International Space Station have studied the light emissions coming from older lights and newer LED lights and have found that LED lights actually make light pollution worse.

Advanced Techniques for Measuring Human Behaviors in Urban Public Spaces

Zachary Romano

Researchers at the University of Copenhagen utilized a combination of thermal cameras, computer vision technology, and GIS analytics to geo-reference the movements of pedestrians in order to asses public spaces.

Spaceknow tracks manufacturing activity for over 6,000 industrial facilities in China using its "Satellite Manufacturing Index" (SMI) proprietary algorithms. Map: Spaceknow.

Satellite Imagery Provides Insights to Global Questions and Changes the Data Landscape

Zachary Romano

Data extracted from satellite images have been helpful for tracking everything from the number of customers at retail and restaurant chains to tracking the rates of deforestation.

NASA's UAVSAR measured cumulative vertical ground movement impacting the California Aqueduct near Huron and Kettleman City from July 2013 to March 2015. The colored overlay shows areas where subsidence exceeded 7 inches (17.8 centimeters). UAVSAR pixel resolution is 20 by 20 feet (6 by 6 meters). Credits: NASA/JPL-Caltech

California is Sinking Faster than Previously Thought

Elizabeth Borneman

Researchers are tracking the changes in Californiaโ€™s geography from the effects of drought using a remote sensing system called interferometric synthetic aperture radar, or InSAR.

Uber Residential Pick-Ups in New York City Reflect Demographic Realities

Zachary Romano

A report reveals that ridership rates for both Uber and cab companies in New York City are equally distributed geographically.

How Government Organizations Are Using Location Intelligence to Drive Digital Engagement

Geo Contributor

This opinion piece by James Brayshaw, Vice President of LI and Spectrum Business with Pitney Bowes, takes a look at how location intelligence is helping local governments make timely and accurate decisions.

Benjamin Heumann, a professor with Central Michigan University uses a drone to map threatened plant species

Drones and GIS: A Look at the Legal and Ethical Issues

Caitlin Dempsey

The ethical and legal issues about gathering geographic data using drones can be divided into four main areas: regulations, privacy, safety, and noise.

The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASAโ€™s Terra satellite acquired this natural-color image of Fred off the west coast Africa at 11:15 a.m. Cabo Verde time (12:15 Universal Time) on August 31, 2015. Source: NASA

This Hurricane Formed Farther East Than Any Other Since Satellites Began Tracking Hurricanes

Elizabeth Borneman

A hurricane, dubbed Hurricane Fred, formed farther east than any other recorded hurricane since satellites began tracking such weather events

Spatial Law and Geospatial Applications

Sangeeta Deogawanka

Taking a look at spatial and and geospatial applications, this is the third of a three-article series on Spatial Law that focuses on the issues surrounding spatial technologies, the responsibilities and legalities thereon.

Figure (v) Aerial photograph of a property used for real estate sales, (Swarm AUV)

Spatial Law and Geospatial Technologies

Sangeeta Deogawanka

Taking a look at spatial and and geospatial technologies, this is the second of a three-article series on Spatial Law that focuses on the issues surrounding spatial technologies, the responsibilities and legalities thereon.

Figure (ii) Geospatial Technologies and Applications โ€“ the two areas governed by Spatial Law

Spatial Law, Policy, and Geospatial Technologies: A Comprehensive Overview

Sangeeta Deogawanka

Taking a look at spatial law and its application within GIS is the first of a three-article series on Spatial Law that focuses on the issues surrounding spatial technologies, the responsibilities and legalities thereon.

Extracting 3D GIS Data

SBL

This piece by Anil Narendran Pillai, Vice President of Geomatics at SBL, takes a look at 3D GIS data creation using feature extraction methods.

Map of the world's forests. Source: Crowther et al, 2015.

How Many Trees are There in the World?

Caitlin Dempsey

According to the latest research, the total number of trees in the world isย 3.041 trillionย (that’s 3,041,000,000,000). ย The revised number is ...

Map of the world's forests. Source: Crowther et al, 2015.

Measuring the Number of Trees in the World

Zachary Romano

Using a combination of satellite imagery, forest inventories, and supercomputer technologies, researchers estimate there are 3.041 trillion trees in the world.

Various types and sizes of plastics collected from the Kinnickinnic River, Milwaukee, WI. Photo: S. Mason, State University of New York at Fredonia. Public domain. Source: USGS.

Recent Efforts to Map and Cleanup the Ocean Garbage Patches

Elizabeth Borneman

The Ocean Cleanup has recently sent out a ship full of researchers and volunteers to help map and begin cleanup efforts on the Pacific Ocean garbage patch.

Mapping Algal Blooms in Lake Erie

Caitlin Dempsey

EOMAP has released a mapping application designed to track algae blooms in Lake Erie.

The natural diversity of large mammals is shown as it would appear without the impact of modern man (Homo sapiens). The figure shows the variation in the number of large mammals (45 kg or larger) that would have occurred per 100 x 100 kilometer grid cell. The numbers on the scale indicate the number of species. Credit: Soren Faurby

Map of the World Without Humans

Elizabeth Borneman

In a world without humans, elk and buffalo would roam the Great Plains and elephants might still trumpet across Europe.

A) View of the experimental area in the Forest of Bossou, Guinea. Researchers record the nut-cracking behavior every year, using several video cameras while staying behind a screen of vegetation, c. 20m distance from the wild chimpanzees using tools. B) Female using a stone hammer and anvil to crack open nuts. Note the assortment of stones on the right side which is provided by the researchers, along with the piles of nuts. From enito-Calvo A, Carvalho S, Arroyo A, Matsuzawa T, de la Torre I (2015).

Chimpanzee Behavior Analyzed Using Innovative GIS Application Offers Insight to Our Human Past

Zachary Romano

A group of scholars has developed an innovative new application of GIS to understand stone tool use behaviors in chimpanzees during nut-cracking season.

Geographical definitions by the Bancroft Company, circa 1870.

Geography Terms Visualized

Caitlin Dempsey

This chart by the Bancroft Company from around 1870 defines a range of geographical terms.

Total housing values by county in the United States. Yellow indicate lower total values and red indicate the highest valued counties. Cartogram by Max Galka, Metrocosm.

Mapping the U.S. by Property Value and Land Area

Zachary Romano

How Urban Property Values are Adversely Affecting the U.S. Economy

The Airy meridian marked as the โ€œPrime Meridian of the Worldโ€ (dotted line), and the modern reference meridian indicating zero longitude using GPS (solid line). (Imagery ยฉ 2014 Google Maps, Infoterra Ltd. & Bluesky)

The Prime Meridian isn’t Where You Think it is

Elizabeth Borneman

The true Prime Meridian is located about 334 feet east of the current Airy Transit Circle at the Royal Observatory in Greenwich, England.

Geography of Tweets

Elizabeth Borneman

In an analysis of โ€˜big dataโ€™ from Twitter, people who lived in larger cities around the world were more likely to mention other large cities or international locations.

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