Mostrando entradas con la etiqueta ICESat-2. Mostrar todas las entradas
Mostrando entradas con la etiqueta ICESat-2. Mostrar todas las entradas

domingo, 7 de julio de 2013

NASA - NASA Selects Launch Services for ICESat-2 Mission




The Ice, Cloud, and land Elevation Satellite-2 (ICESat-2) is the 2nd-generation of the orbiting laser altimeter ICESat scheduled for launch in July 2016. 
We have a ride to space! 
http://www.onlineamd.com/aerospace-NASA-ULA-ICESat-022813.aspx
NASA Selects Launch Services for ICESat-2 Mission
CAPE CANAVERAL, Fla. - NASA's Launch Services Program at the agency's Kennedy Space Center in Florida has selected United Launch Services LLC of Englewood, Colo., to provide Delta II launch services for the Ice, Cloud and Land Elevation Satellite-2 (ICESat-2) mission, currently scheduled for July 2016.

A firm fixed-price launch service task order has been awarded under the indefinite-delivery, indefinite-quantity NASA Launch Services (NLS) II contract. NASA's total cost to launch ICESat-2 is $96.6 million, including payload processing, integrated services, telemetry, reimbursables and other launch support requirements.

The Delta II rocket will place the ICESat-2 spacecraft into a near-circular Earth polar orbit following liftoff from Space Launch Complex-2 at Vandenberg Air Force Base in California. ICESat-2 is a continuation of the global time series of precision ice topography measurements initiated by the first ICESat mission. ICESat-2 will measure changes in the elevation of the polar ice sheets to understand their contribution to current and future sea-level rise. It also will characterize polar-sea ice thicknesses and global vegetation heights to understand their connections to the Earth system.

Subcontractors performing work for United Launch Services include Pratt & Whitney Rocketdyne of Canoga Park, Calif., Alliant Techsystems Inc. of Magna, Utah, and Aerojet of Sacramento, Calif. United Launch Services' United Launch Alliance provides the Delta II and launch services.

NASA's Launch Services Program at Kennedy Space Center is responsible for management of the ICESat-2 launch service acquisition and implementation.

For more information about the ICESat-2 mission, visit:
 
For more information about NASA's Launch Services Program, visit:
 
For more information about NASA programs and missions, visit:
 
 
 NASA
Guillermo Gonzalo Sánchez Achutegui
ayabaca@gmail.com
ayabaca@hotmail.com
ayabaca@yahoo.com
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martes, 2 de abril de 2013

NASA - Alaskan Mountains Seen During IceBridge Transit

About Operation IceBridge
An Airborne Mission for Earth’s Polar Ice
P-3 Illustration
NASA’s Operation IceBridge images Earth’s polar ice in unprecedented detail to better understand processes that connect the polar regions with the global climate system. IceBridge utilizes a highly specialized fleet of research aircraft and the most sophisticated suite of innovative science instruments ever assembled to characterize annual changes in thickness of sea ice, glaciers, and ice sheets. In addition, IceBridge collects critical data used to predict the response of earth’s polar ice to climate change and resulting sea-level rise.  IceBridge also helps bridge the gap in polar observations between NASA’s ICESat satellite missions.

Program Objectives

  • Make airborne altimetry measurements over the ice sheets and sea ice to extend and improve the record of observations begun by ICESat.
  • Link the measurements made by historical airborne laser altimeters, ICESat, ICESat-2, and CryoSat-2 to allow accurate comparison and production of a long-term, ice altimetry record.
  • Monitor key, rapidly changing areas of ice in the Arctic and Antarctic to maintain a long term observation record.
  • Provide key observational data to improve our understanding of ice dynamics, and better constrain predictive models of sea level rise and sea ice cover conditions.
  • Adapt existing instruments for airborne remote sensing of ice by unmanned aerial systems such as NASA’s Global Hawk.

Science Goals

  1. Measure changes in Greenland and Antarctica ice sheet volume to maintain a record of data between ICESat and ICESat-2.
  2. Improve understanding and simulation of ice sheet flow and volume change by documenting glacier ice thickness, basal topography and other geophysical properties.
  3. Document changes in sea ice thickness in the Arctic and Southern Oceans.
  4. Improve sea ice thickness data by advancing technologies for measuring surface elevation, freeboard and snow depth.
 Alaskan mountains seen from high altitude aboard the NASA P-3B during the IceBridge transit flight from Thule to Fairbanks on March 21, 2013.

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NASA
Guillermo Gonzalo Sánchez Achutegui
ayabaca@gmail.com 
ayabaca@hotmail.com
ayabaca@yahoo.com
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