July 2018

July 16, 2018

Satellites Investigate Irrigation in a Stressed Aquifer | NASA Earth Observatory

July 16, 2018 0
Satellites Investigate Irrigation in a Stressed Aquifer | NASA Earth Observatory
"The High Plains Aquifer, also known as the Ogallala Aquifer, is under stress. Farmers today have to drill ever deeper wells in order to pump water for irrigation, and one recent study found the aquifer to be under more strain than any other in the United States."


Facts about the depletion of the Ogallala Aquifer:

The industrial-level pumping of water from the aquifer began after World War II.

By 1980, the aquifer's water levels had dropped by at least ten feet in most of the regions that took advantage of it.

Some regions of the High Plains, at that same time, had seen a 100-foot drop in their water level.

These days, the water being pulled out of the aquifer annually is equal to eighteen Colorado Rivers.

The northern end of the Ogallala Aquifer is less affected by the overuse. The southern end is the part of the aquifer that is less likely to recover, as it doesn't receive as much precipitation annually.

Shown below is a map of the Ogallala Aquifer, how long it has been irrigated in different regions, and a link to the full article.

Satellites Investigate Irrigation in a Stressed Aquifer

Using Landsat to track patterns in irrigation may help water managers sketch out a more sustainable future for the Ogallala Aquifer in the central United States.


July 7, 2018

NASA’s Parker Solar Probe is aiming for the sun | Science News

July 07, 2018 0
NASA’s Parker Solar Probe is aiming for the sun | Science News
"NASA’s Parker Solar Probe is about to embark on one daredevil stunt of a space mission.
Slated to launch August 4, the probe will be the first spacecraft to swoop through the sun’s outer atmosphere, or corona, a roiling inferno of plasma heated to several million degrees Celsius.

The solar probe, if all goes well, is set to circle the sun two dozen times during its seven-year mission. It will be orbiting the sun from approximately six million kilometers away and at a speed of around 700,000 kilometers per hour. The Parker Solar Probe will observe the corona and the solar wind created by the sun. Both of which will likely help in learning more about the sun and its atmosphere. The information gathered from this mission will help future space travel.

Along with the probe will be the names of those who filled out a "Send Your Name To The Sun" submission at http://parkersolarprobe.jhuapl.edu/The-Mission/Name-to-Sun/ before the deadline back in April.


NASA's Parker probe is about to get up close and personal with the sun

NASA's Parker Solar Probe is about to embark on one daredevil stunt of a space mission. Slated to launch August 4, the probe will be the first spacecraft to swoop through the sun's outer atmosphere, or corona, a roiling inferno of plasma heated to several million degrees Celsius.