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Every spring, precipitation and snowmelt in the central U.S. leads to high water levels in the Mississippi River and its tributaries, with concurrent flooding and levee damage a near-yearly event.This video provides details of a project that utilized high resolution radar (NASA UAVSAR), with a particular focus on LiDAR derived Digital Elevation Models to determine the accuracy and resolution with which flooding could be located by tracking the water extent along rivers and changes in the water extent between spring and normal levels in fall or early winter.
The ongoing battle in Aleppo between Assad regime troops and the Syrian Free Army has left civilians caught in the crossfire. Margaret Warner talks to Amnesty International's Scott Edwards and American Association for the Advancement of Science's Susan Wolfinbarger on how satellites are documenting human rights abuse in Syria.
The 1980 eruption of Mount St. Helens leveled surrounding forest, blasted away over a thousand feet of the mountain's summit, and claimed 57 human lives.
NASA Earth Observing Systems such as CALIPSO, MISR and MODIS on Terra/Aqua, and OMI on Aura were used to map the extent of wildfires in Texas.
NASA teams up with Google to create a new, 3D map of Curiosity's landing on the surface of Mars. This new video shows real simulation data of the rover's arrival on the Red Planet early Monday.
Congratulations to the Landsat program on 40 years of continuous earth observation! Since July 1972, NASA's Landsat satellites have gathered images over the entire land surface of the Earth, creating the most complete record ever assembled. These images, archived at USGS, reveal dynamic changes over time due to human activity (deforestation, urbanization) and natural processes (volcanic eruptions, wildfire). Now, Google Earth Engine allows scientists, researchers and the public to easily view and analyze this treasure trove of planetary data. http://earthengine.google.org.
Oracle Spatial 11g Specialization
Archaeological sites that currently take years to map will be completed in minutes if tests underway in Peru of a new system being developed at Vanderbilt University go well.
Matt Wilson's GIS Workshop at the University of Kentucky builds connections to the community through partnerships with non-profit organizations such as Seedleaf and the Central Kentucky Council for Peace and Justice.
Explore the home of the 2012 Summer Olympics in this photo-accurate 3D model of the London Olympic Village. Enjoy an amazing 360 view of London's largest piece of public art, the 115 metre-high ArcelorMittal Orbit. Next to the Orbit is the Olympic Stadium, seating 80,000 viewers for this year's summer games.
Journal News Removes Interactive Gun Permit Map
The Lower Hudson Journal News has been under fire for publishing a map of gun permit holders in two counties in New York State before Christma. (APB coverage 1, 2, podcast). On Friday January 18 the paper removed the interactive map. Why? Publisher Janet Hasson gave answers in a media statement and in a letter to readers.
In a statement in response to The Poynter Institute (a journalism school) she argued:
With the passage this week of the NYSAFE gun law, which allows permit holders to request their names and addresses be removed from the public record, we decided to remove the gun permit data from lohud.com at 5 pm today. While the new law does not require us to remove the data, we believe that doing so complies with its spirit. For the past four weeks, there has been vigorous debate over our publication of the permit data, which has been viewed nearly 1.2 million times by readers. One of our core missions as a newspaper is to empower our readers with as much information as possible on the critical issues they face, and guns have certainly become a top issue since the massacre in nearby Newtown, Conn. Sharing as much public information as possible provides our readers with the ability to contribute to the discussion, in any way they wish, on how to make their communities safer. We remain committed to our mission of providing the critical public service of championing free speech and open records.
In a letter to readers published on Friday she wrote:
So intense was the opposition to our publication of the names and addresses that legislation passed earlier this week in Albany included a provision allowing permit holders to request confidentiality and imposing a 120-day moratorium on the release of permit holder data.
She goes on to say that during the 27 days the map was online any one interested would have seen it and that the data would eventually be out of date. She also noted that the paper does not endorse the way the state chose to limit availability of the data.
The original map/article still includes a graphic - but it's a snapshot, a raster image, with no interactivity. Says Hasson in the letter to readers:
And we will keep a snapshot of our map — with all its red dots — on our website to remind the community that guns are a fact of life we should never forget.
I continue to applaud the paper for requesting the data via a Freedom on Informat request, mapping it, keeping the map up despite threats and criticism and now responding to state law. I think the paper did a service to the state, to citizens and to journalism.
- via reader Jim and Poynter
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