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  2. EOSDIS Data News: May 26, 2017

EOSDIS Data News: May 26, 2017


NASA's Goddard Earth Sciences Data and Information Services Center (GES DISC) released Version 2 Level-1B data products from the Ozone Mapping and Profiler Suite (OMPS) Nadir Mapper (NM) and Nadir Profiler (NP) instruments on the joint NASA/NOAA Suomi National Polar-orbiting Partnership (Suomi NPP) satellite:

NASA's Global Hydrology Resource Center Distributed Active Archive Center (GHRC DAAC) has published the Global Precipitation Measurement Ground Validation (GPM-GV) High Altitude Imaging Wind and Rain Airborne Profiler (HIWRAP) Olympic Mountain Experiment (OLYMPEX). OLYMPEX was the final GPM mission Ground Validation field campaign. HIWRAP is a Doppler radar designed to measure tropospheric winds through deriving Doppler profiles from cloud and precipitation volume backscatter. (Li et al. 2016). The winds are generated by combining conical scan mode measurements at two different frequency bands (Ka- and Ku-band) and two different incidence angles (30 and 40 degrees). HIWRAP utilizes solid state transmitters along with a novel pulse compression scheme resulting in a system that is considerably more compact and requires less power than typical radars used for precipitation and wind measurements. A more detailed description of the HIWRAP system and system parameters can be found in Li et al., 2016. More information about the HIWRAP instrument can be found at NASA's Goddard Space Flight Center High Altitude Radar Group.
The Making Earth System Data Records for Use in Research Environments (MEaSUREs) Greenland Ice Velocity: Selected Glacier Site Velocity Maps from interferometric synthetic aperture radar (InSAR), Version 2 dataset is now available at NASA's National Snow and Ice Data Center DAAC (NSIDC DAAC). This dataset consists of mean monthly velocity maps for selected glacier outlet areas. The maps are generated by tracking visible features between optical image pairs acquired by the Landsat 7 Enhanced Thematic Mapper Plus (ETM+), the Landsat 8 Operational Land Imager (OLI), and the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER). The Version 2 update expands the temporal coverage of the dataset through September 2016, using cross-path Landsat pairs to fill in temporal gaps in the 2016 data. Version 2 also includes the application of a more aggressive filtering method, the correction of misnamed error values, and the addition of a west coast grid at 80.75 degrees north.

The initial set of provisional Level 1, Level 2, and Level 3 Version 1.0 Science Data Record datasets, received from the Cyclone Global Navigation Satellite System (CYGNSS) Project remote provider site at the University of Michigan, have been fully ingested and are available on NASA's Physical Oceanography DAAC (PO.DAAC) website.

NASA's Socioeconomic Data and Applications Center (SEDAC) released the Global 3-Year Running Mean Ground-Level Nitrogen Dioxide (NO2) Grids from Global Ozone Monitoring Experiment-1 (GOME-1), Scanning Imaging Absorption Spectrometer for Atmospheric ChartographY (SCIAMACHY) and GOME-2 dataset in production (see http://sedac.ciesin.columbia.edu/data/set/sdei-global-3-year-running-mean-no2-gome-sciamachy-gome2). The dataset features a time series from 1996 – 2012 of surface level NO2 concentrations.

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