Articles

Geiger mode 3DEP lidar point cloud over Chicago, IL from 3DEP Project USGS Lidar Point Cloud IL 4County Cook 2017. Image: Jason Stoker. USGS, Public domain.

Geiger-mode Lidar and Geospatial Data Acquisition

Geo Contributor

Paul Nash discuses Geiger-mode lidar and its use in geospatial data acquisition.

View southwest of Garfield Peak and Eagle Crags above Chaski Bay, Crater Lake. Photo: Charles Bacon, USGS, public domain.

NASA Completes the First Global Survey of Fluctuations in Lakes and Reservoirs

Katarina Samurović

ICESat-2 launched in September 2018) with its satellite laser altimeter, allowing NASA to perform the first global survey of freshwater fluctuations.

Letters cut from a magazine spelling out the word "ethics".

Ethics in GIS

Mark Altaweel

With more ways to gather geospatial data and share that information, ethics has become even more important to consider.

A black maze with the words "You" at the entrance with a red arrow and the words "Promotion" at the exit with a red arrow.

3 Tips to Help You Get a GIS Promotion

Geo Contributor

This article from Bootcamp GIS provides tips for how to get promoted in GIS.

Miners Castle, Lake Superior.

Geography of Lake Superior

Marques Hayes

Lake Superior is the world's largest freshwater lake.

Image of a red glowing lock on top of a pixelated map of the world.

Cybersecurity and GIS

Mark Altaweel

GIS can play an important role in ensuring protection of vital infrastructure and data networks.

Figure 10: Malaria risk map of Upper Ashanti region of Ghana

How to Use ArcGIS Pro to Estimate Areas Prone to Malaria

Jeff Oppong

This tutorial uses Spatial Data Science and Remote Sensing techniques (ArcGIS Pro) to estimate areas that are prone to malaria using ArcGIS Pro.

Screenshot showing a faded laptop in the background with an hourglass with blue sand and a pie chart with blue sections. Text says "requisite experiences for GIS jobs".

Preparing for a GIS Job Interview

Caitlin Dempsey

Navigating the interview process for a GIS position can be challenging due to the field's wide skillset requirements - here are some tips.

Satellite view of cumulonimbus cloud over Africa. These dramatic cloud formations are caused by rising air currents containing water vapor and varying layers of differing-temperature air in the upper atmosphere. Image: NASA

Coldest Temperature of Clouds Recorded by a Satellite

Caitlin Dempsey

Researchers measured the coldest temperature ever recorded by a satellite of a cloud.

Screenshot showing the interactive ecoregions map.

Terrestrial Ecoregions GIS Data

Caitlin Dempsey

The terrestrial ecoregions dataset is available both in shapefile format and as a Google Engine dataset.

The image of India on the right is an example of misappropriation of satellite imagery. The image was created from the satellite imagery on the left which shows night lights in India taken in 2003. NOAA manipulated the image to be an RGB Composite of Nighttime Lights Change with red representing 2003 and green representing 1992. The image has since made the rounds periodically on social media purporting to be an image of India on Diwali night.

Deepfake Satellite Imagery

Mark Altaweel

Deepfake satellite imagery is imagery that has been synthetically to alter or change the appearance of an image, often replacing one scene for another.

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.

Tracking Plastic in the Air

Elizabeth Borneman

Approximately 1,100 tons of microplastics are thought to be floating in the air above the Western United States

Image showing available courses with GIS Bootcamp

5 Reasons why the GIS industry continues to grow

Geo Contributor

If you work in GIS, you have seen tremendous growth in software sales, services, and solutions over the past 20 years.

COVID-19 Dashboard Layout. Source: Andres Abeyta

3 Tips to Maximize the Value of Your GIS Internship

Geo Contributor

Andres Abeyta, the Executive Director of Bootcamp GIS, discusses three ways to get the most of your GIS internship.

The Global River Widths from Landsat (GRWL) Database contains over 58M measurements of planform river geometry. Source: Allen & Pavelsky, 2018.

Securing a Funded GIS Graduate Program

Geo Contributor

Adebowale Daniel and Nnenna Nkata from the AfricaGeoconvo podcast share important information about securing a GIS graduate program.

World map showing the number of heavy metal bands per 100,000 people by country.

Geography of Heavy Metal Bands

Caitlin Dempsey

Which countries have the most heavy metal bands?

Plastic trash bag on the ocean floor.

80% of Plastic in the Ocean Comes From 1,656 Rivers

Caitlin Dempsey

A team of researchers analyzed where geographically rivers are the biggest sources of plastic pollution entering the ocean.

Geographers study how humans have altered the landscape. In Chesapeake Bay: L-R: A waterfront residential community; row crops bordered by forest; Baltimore Harbor; piers and crab pots in a waterfront fishing community. Photo: ason Burton, USGS. Public domain.

Introduction to Geography: Exploring The World Around Us

Caitlin Dempsey

Geography is the science that studies the Earth and the physical and human influences that shape it.

How the 2020 U.S. Census Shifted Congressional Seats

Caitlin Dempsey

With the 2020 Census, seven states lost seats and six states gained seats in the House of Representatives.

A methane plume detected by NASA’s AVIRIS-NG in summer 2020 indicates a leaking gas line in oil field in California. The operator subsequently confirmed and repaired the leak. Credit: NASA/JPL-Caltech.

Carbon Mapper: A Collaboration to Map Greenhouse Gas Emissions

Mark Altaweel

A new, non-profit organization, Carbon Mapper, is attempting to create better ways to pinpoint methane and CO2 emissions.

Ghost Forest in North Carolina’s marshy Albemarle-Pamlico Peninsula. Image: Landsat 8, NASA, November 25, 2019.

Climate Change and the Expansion of Ghost Forests

Elizabeth Borneman

Along the geography of the East Coast of the United States, large swathes of forest are declining at increasing rates.

Photograph of the Earth captured by astronauts onboard Apollo 17 as they traveled to the moon on Dec. 7, 1972. Image: NASA

Views of Earth from Space

Caitlin Dempsey

Over the decades, Earth has been captured from near and far by astronauts and spacecraft from space.

Book cover for Under the Wave a Waimea

Review | Under the Wave at Waimea

G.T. Dempsey

Set in Hawaii and with a champion surfer as its central character, "Under the Wave at Waimea" introduces us to the global geography of surfing.

Image of a screenshot from QGIS with arrows leading from different GIS file formats to QGIS.

Open Geospatial Standards

Mark Altaweel

The creation of geospatial standards is critical for sharing data among different technologies and industries.

Image by NextBillion.ai. Incorrect POIs lead to inaccurate ETAs

Last-Mile Problem: Achieve Pinpoint Accuracy With Hyperlocal Maps

Geo Contributor

Curated points-of-interest of a hyperlocal mapping and routing solution enable enterprises to lower cancellations and achieve higher map accuracy.

Photo of a drone hovering in the air before a hill with blue skies in the background.

Autonomous UAVs and Geospatial Data

Mark Altaweel

Autonomous UAVs are already performing a variety of tasks using geospatial data obtained in-flight.