GHRC published guide document for the GPM Ground Validation Flight Summaries and Flight Tracks Imagery MC3E dataset. This dataset includes sonde maps, a radar animation, parameter versus time charts, radar track graphs, and a summary including aircraft and instrument operational times. The dataset is available as an individual dataset, and it is automatically distributed when a user orders navigation datasets for either the University of North Dakota Citation or the NASA- ER-2.
Drs. Sara Graves and Rahul Ramachandran represented GHRC at the second plenary meeting of the Research Data Alliance (RDA), held September 16-18 at the National Academy of Sciences in Washington, DC. RDA provides the framework to accelerate international data-driven innovation and discovery by facilitating research data sharing and exchange, use and re-use, standards harmonization, and discoverability, through the development and adoption of infrastructure, policy and practice. Dr. Graves was an invited presenter in the Plenary session titled “Building Global Partnerships: the perspective of affiliate organizations” in her role as the Secretary General of CODATA. Dr. Ramachandran led the Big Data Analytics Interest Group sessions as a co-chair. The Big Data Analytics (BDA) Interest Group seeks to develop community based recommendations on feasible data analytics approaches to address scientific community needs related to utilizing large quantities of data.
The RSS Monthly 1-deg Microwave Total Precipitable Water netCDF guide describes the MEaSUREs product “Remote Sensing Systems Total Precipitable Water (TPW)”. This dataset is generated at Remote Sensing Systems, merging data from multiple satellite radiometers processed using RSS’s latest radiative transfer model, version-7. The dataset includes monthly files containing 1-degree gridded data for the monthly means of total precipitable water (total column water vapor), the anomalies for global mean precipitable water over Ice Free Oceans (60S to 60N) and the tropical mean for 20S to 20N. Also provided are a 20-year climatology file, and a cumulative file containing the cumulative linear trend in total precipitable water anomaly from 1988 to the current month. Satellite information used in calculating the means is included for the SSMI (8, 10, 11, 13, 14, 15) and SSMIS (16, 17), AQUA10 and Windsat (Coriolis). The data are available in both netCDF-3 and netCDF-4.
GPM Ground Validation Autonomous Parsivel Unit (APU) GCPEx guide provides data format information for the Autonomous Parsivel Unit (APU), an optical disdrometer based on single particle extinction that measures particle size and fall velocity. This APU consists of the Parsivel, which was developed by OTT in Germany, and its support systems, which were designed and built by the University of Alabama in Huntsville. The APU dataset for the GPM Cold-season Precipitation Experiment (GCPEx) provides precipitation data including raindrop size and counts, precipitation drop size, rate and amount and snowflake size, counts and distribution. The GCPEx APU data was collected from several sites in Canada during the Winter 2011-2012 period.
The GPM Ground Validation NASA Micro Rain Radar (MRR) guide describes the data format and the vertically pointing Doppler radar which provides measurements of vertical velocity, drop size distribution, rainfall rate, attenuation, liquid water content, and reflectivity factor obtained during the GPM Cold-season Precipitation Experiment (GCPEx), which took place in Canada during Winter 2011-2012. The MRR is a frequency-modulated continuous wave (FMCW) vertically pointing Doppler radar, which operates at 24.24GHz, and it is the second generation of the instrument manufactured by METEK (http://www.metek.de/product-details/mrr-2.html). NASA MRR data was collected from late October 2011 through March 2013.
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