• Spatial Happenings

    December 2016
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The Next Generation: GIS as a Career Choice

From Library of Congress http://blogs.loc.gov/maps/2016/12/gis-day/?loclr=eamap

The Next Generation: GIS as a Career Choice


The following is a guest post by Nina Feldman, a former intern with the Geography and Map Division of the Library of Congress and the American Association of Geographers. Nina is currently a senior at George Washington University, majoring in Environmental Science and GIS (Geographic Information Systems). She spoke of her inspirations and why she became a geographer at the recent Library of Congress’ GIS Day celebration. While interning, Nina worked with the research papers and personal archive of Roger Tomlinson.


For me, GIS was not a clear-cut choice, but more of a discovery process. As many of you know, GIS in its basic definition is a computer-based system that collects, analyzes, and distributes spatial data and information. However, to me it’s much more than that, it’s a collection of data that represents people’s lives, experiences and significance. Personally, I have always been a collector. Throughout my life, which isn’t really that long, I’m sure I had around 15 different collections. At age four, I started simple, with rocks that I found cool. At age nine, I moved to the more advanced Pokémon cards. At age 14, it was Russian nesting dolls with their exquisite patterns and colors. And finally, today, at age 20, it’s maps. Maps of places I’ve been, maps of places I want to go, maps that friends have given me from their own adventures and maps that I drew myself. At first, I just thought it was another phase of mine, I am a map collector now, soon I’ll move on to something else, or maybe even go back to rocks. But as I watched my wall of maps grow along with my desire to learn, I had a feeling that this wasn’t just a phase.

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Top Links from Geospatial for eNews-MAPS

World Population History:  http://worldpopulationhistory.org/map/1/mercator/1/0/25/

USGS National map of Surficial Mineralogy:  http://cmerwebmap.cr.usgs.gov/usminmap

Awesome interactive map shows every German bomb dropped in London during WWII Blitz:



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Academic Success Center


The SEAS Program (Strategies for Educational and Academic Success) offers in-person and online workshops on a wide variety of topics, from study skills to reading comprehension, note-taking to time management.

Our workshops are offered regularly throughout the semester, and we also present workshops to classes and student groups, upon request. Faculty, if you are interested in having us customize one of these workshops or develop something new for your classes, please contact Gwen McCrea at gmccrea@nvcc.edu / 703-575-4708.
for more information:  https://blogs.nvcc.edu/asc/workshops/

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NASA Applied Remote Sensing Trainings

Free Remote Sensing training!!!

The ARSET program offers satellite remote sensing training that builds the skills to integrate NASA Earth Science data into an agency’s decision-making activities. Trainings are offered in air quality, climate, disaster, health, land, water resources, and wildfire management. Through online and in person training, ARSET has reached over 4,000 participants from more than 130 countries and 1,600 organizations worldwide.

Through ARSET trainings, you can learn how to:

  • use NASA data for environmental management
  • search and access NASA resources relevant to your needs
  • visualize, interpret, and apply remote sensing data and imagery


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Halloween Candy Map

Top 5 links Geospatial eNews:


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Spot the International Space Station

From Geospatial eNews top 5 Links of the week:


Watch the International Space Station pass overhead from several thousand worldwide locations. It is the third brightest object in the sky and easy to spot if you know when to look up.

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5 GIS Projects that are Changing the Way we Understand Racism

From Forbes:

OCT 25, 2016 @ 08:07 AM

Sarah Bond, Contributor

Within the fields of history and journalism, the use of GIS (Geographic Information Systems) has greatly changed the way we visualize, understand, and analyze racial bias within the United States and the globe. Maps have always been a way that we were able to conceptualize the topography of our universe, and now the use of GIS has given us more insight into the inequality embedded in our country than ever before. Below are just a few of the projects working to use spatial analysis in order to reveal the historical and current prejudices that people of color face every day.


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Real Time Weather Map

Ventrusky weather map:  https://www.ventusky.com/?p=37.0;-92.1;4&l=temperature

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Ancient Shipwrecks Found in Black Sea

Take some time to read this quick article.  The pictures are amazing:


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Wastewater and Oklahoma Earthquake

From Informed Infrastructure

Wastewater Disposal Likely Induced February 2016 Magnitude 5.1 Oklahoma Earthquake


Parul Dubey on October 25, 2016 – in Land Development, News, Wastewater, Water

 Distant wastewater disposal wells likely induced the third largest earthquake in recent Oklahoma record, the Feb. 13, 2016, magnitude 5.1 event roughly 32 kilometers northwest of Fairview, Oklahoma. These findings from the U.S. Geological Survey are available in the online edition of Geophysical Research Letters.

At the time, the Fairview earthquake was the largest event in the central and eastern United States since a 2011 magnitude 5.7 struck Prague, Oklahoma. The 5.1 magnitude event occurred southwest of a group of high-rate wastewater disposal wells greater than 12 kilometers away. In the region surrounding the Fairview earthquake sequence, the volume of fluid injected increased 7-fold over three years.

”The fact that seismicity is rather limited near the high-rate wells while the Fairview sequence occurred at a relatively larger distance from these wells, shows us the critical role preexisting, though possibly unknown, fault structures play in inducing large events,” said Dr. William Yeck, a USGS scientist and lead author of the study. “The rapid deployment of seismic stations by the USGS allowed us to precisely locate the aftershock sequence. High-quality data sets such as these are critical when trying to understand the shaking produced by these events and therefore are an important basis for earthquake hazard modeling.”

Earthquakes in this area primarily occur at depths of 6 to 9 kilometers, roughly 3.5 to 6.5 kilometers below the Arbuckle Group in which wastewater is typically injected.

On September 3, 2016, Oklahoma experienced the largest earthquake since 2011 when a magnitude 5.8 earthquake occurred near Pawnee, Oklahoma.

While the relationship between the Pawnee earthquake and wastewater injection is still under investigation, studies such as this further scientific understanding of the complex relationship between wastewater disposal and earthquakes.


USGS provides science for a changing world. Visit USGS.gov, and follow us on Twitter @USGS and our other social media channels.

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