Articles

A view of the tropical forest from a USGS Amazon forest study site near Santarém, Brazil.

Mapping Forest Carbon Cycles

Mark Altaweel

A recent research project uses geospatial technologies as a way to better assess the role that forests play in the global carbon budget.

This astronaut photograph of the Eastern Branch of the Rift (near Kenya’s southern border) highlights the classical geologic structures associated with a tectonic rift valley. Astronaut photograph ISS030-E-35487 was acquired on January 14, 2012.

The Continent of Africa Might Eventually Split

Elizabeth Borneman

Rifts could split Africa into pieces and create a new ocean that would form in the rift valleys.

QGIS on a laptop. Image: Caitlin Dempsey

Mentoring, Leadership, and Building Skills in the Geospatial Community

Mark Altaweel

Leaders in the geospatial community can help to foster key skills through mentoring and developer a stronger community.

OpenStreetMap relies on contributions from thousands of volunteers to contribute and edit GIS data. Screenshot taken 10-Feb-2021.

The “Bystander Effect” With Crowdsourcing GIS Data

Mark Altaweel

A recent research article found that users are less inclined to contribute to crowdsourced geospatial sites like OpenStreetMap and Waze if they know others are already contributing.

Selected examples listed in this article illustrating why spatial data quality matters. Image: Joseph Kerski

Ten Reasons Why Spatial Data Quality Matters More Now Than Ever

Joseph Kerski

Geographer Josephy Kerski writes about 10 key reasons why geospatial data quality matters.

A herd of caribou swims across the Noatak River in Alaska, heading south for the winter. Photo: NPS, Noatak National Preserve, Alaska, public domain.

New Maps For Ungulate Migration Routes Across the Western U.S.

Katarina Samurović

Federal and state wildlife biologists have come together to create a unique map of ungulate migrations across the American West.

High-resolution global composites of Moderate Resolution Imaging Spectroradiometer (MODIS) data. Source: NASA.

Quick Geography Facts About Planet Earth

Caitlin Dempsey

Find quick information about planet earth including the age, mass, volume, and make up of the earth's crust.

Campaign GPS antenna on Kīlauea's south flank at Pu‘ukapukapu inside Hawai‘i Volcanoes National Park.

The Past, Present, and Future of GNSS

Mark Altaweel

The Global Navigation Satellite System (GNSS) has emerged as the standard navigation system that provides global positioning for devices we use every day.

The Atlas of the Human Planet 2020 has an interface for downloading free GIS data produced by the Global Human Settlement Layer. Screenshot from Atlas of the Human Planet.

Atlas of the Human Planet: Free GIS Data and Tools

Mark Altaweel

The Atlas of the Human Planet 2020 provides GIS Data for research, policy, and action that can be used to document the presence of humanity on Earth.

Aqua satellite image of northwestern Honshu Island covered in snow on February 26, 2018. Image; NASA.

Japan’s Snow Country

Marques Hayes

Snow Country is the name of a region in northwestern Japan.

Quantarctica – Free GIS Data for QGIS

Caitlin Dempsey

Quantarctica is a collection of freely downloadable GIS data for Antartica.

Map fan from China: Da Qing yi tong er shi san sheng yu di quan tu, 1890. Source: Library of Congress.

What is a Cartifact?

Caitlin Dempsey

A cartifact is an object containing a map that is used primarily for design rather than as a source of information.

NASA Earth Observatory maps by Joshua Stevens, using data from Sandwell, D. et al. (2014).

Mapping the Ocean Floor by 2030

Mark Altaweel

A MapScaping podcast episode with NOAA's Samuel Greenaway discusses how mapping the seafloor will be a major challenge this decade.

Map fan from China: Da Qing yi tong er shi san sheng yu di quan tu, 1890. Source: Library of Congress.

Maps on Fans

Caitlin Dempsey

Maps can be found on a variety of items, including hand fans.

Landsat 8 satellite image of Mount Fiji on January 1, 2021. Source: NASA.

Mount Fuji’s Snow is at a 20-Year Low

Caitlin Dempsey

Satellite data that has tracked snow cover on Mount Fuji shows that the 2020 snow levels are the lowest since 2000.

Areas shown in blue on this map are subsiding, with darker blue areas sinking faster than lighter blue ones. The areas shown in dark red are rising the fastest. The map was created by comparing thousands of scenes of synthetic aperture radar (SAR) data collected between 2007 and 2011 and 2014 and 2018.

Mapping Ground Subsidence

Mark Altaweel

Synthetic Aperture Radar (SAR) can map subtle differences in the rates of subsidence.

Diagram showing routing attributes from NextBillion AI.

NextBillion AI Solves HyperLocal Geospatial Infrastructures To Advance Mapping Ecosystems

Geo Contributor

NextBillion AI builds AI-based geospatial infrastructures to strengthen logistics, transportation, and supply chain services throughout the ecosystem.

Laptop with QGIS, a desktop GIS software program

The Geography Behind Being a GIS Professional

Mark Altaweel

In a recent GIS podcast, Sarah Taigel discusses how being a professional geographer can provide key advantages to using GIS analysis.

A diagram showing areas of the world covered in forests and a graph using tree symbols to show which countries have the highest amount of forests.

Climate Change is Shrinking Forests in North America

Caitlin Dempsey

The impact of climate change is reducing the amount of habitat where the trees of North America can thrive.

The horseshoe bend in the New River from one of the overlooks along the Grandview Rim Trail. Photo: NPS /Kevin Daley, public domain.

West Virginia’s First National Park

Caitlin Dempsey

West Virginia's New River Gorge National Park and Preserve became the latest national park when it was designated as such by the U.S. Congress in December of 2020.

Connected vehicles. Photo: US Department of Transportation

Augmented Reality and Computer Vision in Navigation

Mark Altaweel

The use and field of AR and computer vision are rapidly changing in how these technologies are being used in navigation.

Tourist watch steam vent from Steamboat Geyser on Setpmber 4, 2014, the day after it erupted. Photo: Neal Herbert/NPS, public domain.

World’s Largest Active Geyser

Caitlin Dempsey

Located in the Norris Geyser Basin in Yellowstone National Park is Steamboat Geyser, the world's largest active geyser.

Urban trees provide many benefits such as absorbing heat, filtering pollution, and absorbing carbon dioxide from the air. Photo: Willow Oak in City Park, USGS, public domain.

Google Launches AI powered Tree Canopy Lab

Katarina Samurović

Google is using artificial intelligence to develop maps of tree canopy from its aerial imagery.

Southern stingray (Dasyatis americana), U.S. Virgin Islands, St. Croix. Photo: NOAA CCMA Biogeography Team, public domain.

Using Stingrays to Map the Ocean Floor

Caitlin Dempsey

One research lab in Japan is looking at using marine life to collect 3D geospatial data about the ocean floor.

USGS Core Research Center warehouse.. Photo: USGS, public domain

Spatially Intelligent Warehouses

Mark Altaweel

The adoption of warehouse spatial intelligence (WSI) can help to reduce waste, producing mainly what we need rather than over producing while ensuring needed products can reach consumers more quickly.

Satellite constellation. Image: NOAA, public domain

Benefits of Satellite-Based Augmentation Systems

Mark Altaweel

Satellite-Based augmentation system (SBAS) services provide capabilities to improve location data for global positioning system (GPS) devices.