GHRC News

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GHRC published the GPM Ground Validation Total Precipitation Sensor (HotPlate) GCPEx dataset which provides a measure of the liquid precipitation rate and accumulation for snow. Additional data includes measurements of temperature, wind speed, relative humidity, pressure, solar and infrared radiation flux. These were gathered during the GPM Cold-season Precipitation Experiment (GCPEx) at Environment Canada’s Centre for Atmospheric Research Experiments (CARE) and SkyDive sites in Ontario, Canada during November 2011- February 2012.

 

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GHRC published the guide for the GPM Ground Validation Environment Canada (EC) Passive Microwave Radiometer and Soil Moisture-Temperature Data GCPEx dataset. The data includes microwave brightness temperatures, snow and soil/snow-air interface (ground surface temperatures), soil surface temperatures, and soil volumetric water content acquired by multiple instruments – a passive microwave radiometer, a water content reflectometer, thermistors, and a soil moisture probe – during the GPM Cold-season Precipitation Experiment (GCPEx) at Environment Canada’s Centre for Atmospheric Research Experiments (CARE) in Ontario, Canada during the winter season 2011-2012.

 

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GHRC published the GPM Ground Validation Environment Canada (EC) Precipitation Occurrence Sensor System (POSS) GCPEx guide. The POSS is a bi-static X-band Doppler radar designed by Environment Canada which measures a signal whose frequency is proportional to the particle Doppler velocity and whose amplitude is proportional to the particle scattering cross-section. Its measurements can be used to provide information regarding precipitation occurrence, type, rate, and raindrop size distribution.

 

Rahul Ramachandran

Dr. Rahul Ramachandran represented GHRC at the eResearch Australasia Conference 2013 in Brisbane, Australia, 20-25 October.  He made a presentation on “The Evolving Data Lifecycle - Implications for Cyberinfrastructure and Domain Sciences” at the opening plenary session of the conference, and was co-convener of a workshop titled “ ‘Big Data’ in Earth and Environmental Sciences:  What are the Real Challenges?”

GHRC’s undergraduate student researcher Kaylin Bugbee assisted Eric R. Anderson, NASA-SERVIR Research Associate, and undergraduate student Kel Markert, NASA DEVELOP team lead, in conducting a 3-day workshop on Geographic Information Systems for Advanced Placement Environmental Science students in two area high schools. The workshop introduced students to basic GIS and water quality concepts, and gave students field experience recording, observing and actively comparing water quality data measurements. Students were introduced to the NASA DEVELOP program, the GHRC Web site, GHRC’s HyDRO search engine, and UAH’s Earth System Science department. GHRC is located at the National Space Science and Technology Center along with other NASA programs and scientists and the University of Alabama in Huntsville’s Atmospheric Science department.

 

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