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  2. EOSDIS Data News: July 2017

EOSDIS Data News: July 2017

ASDC

NASA's Atmospheric Science Data Center (ASDC), in collaboration with the Multi-angle Imaging SpectroRadiometer (MISR) Science Team, released the Airborne Multi-angle Spectro Polarimetric Imager (AirMSPI) ObseRvations of Aerosols above CLouds and their intEractionS (ORACLES) Terrain and Ellipsoid data products. https://eosweb.larc.nasa.gov/project/airmspi/airmspi_table

ASDC, in collaboration with the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) mission, announces the release of the CAL_IIR_L1- Standard-V2-00 data product. Version 2.00 of the Imaging Infrared Radiometer (IIR) Level 1 product is the first major revision since the initial release in 2006. The calibration procedure has been adjusted to reduce known small seasonal calibration biases in the Northern Hemisphere, which were caused by thermal drifts synchronized with the elapsed time since the night-to-day transition. The product is available from June 13, 2006 to current. The Version 1 standard and expedited data products will continue to be generated and provided to the public. Information about this data product, including data availability, user documentation and quality statements, relevant links, sample read software, and tools for working with the data, etc. can be found at the following ASDC link: https://eosweb.larc.nasa.gov/project/calipso/calipso_table.

ASDC and NASA's Jet Propulsion Laboratory (JPL) announces the public release of Version 006 of the Airborne Multiangle SpectroPolarimetric Imager (AirMSPI) Level 1B2 data products for the ObseRvations of Aerosols above CLouds and their intEractionS (ORACLES) flight campaign. AirMSPI flies in the nose of NASA's high-altitude ER-2 aircraft. The instrument was built by JPL and the University of Arizona and is aimed primarily at remote sensing of the amounts and microphysical properties of aerosols and clouds. AirMSPI Level 1B2 products contain radiometric and polarimetric images of clouds, aerosols, and the surface of the Earth. This release of AirMPSI data contains all targets acquired during the ORACLES flight campaign, including the check-out and transit flights. ORACLES was based out of Walvis Bay, Namibia and focused on the South Atlantic Ocean off the coast of Namibia and Angola. AirMSPI was acquired from July 28 to October 6, 2016. Information about these products, details about product quality, and mechanisms to access the data can be found under AirMSPI Data and Information at ASDC's website. Please check back often as new products are continuing to be added and made available for ordering.

GES DISC

NASA's Goddard Earth Sciences Data and Information Services Center (GES DISC) ingested and published the retro-processed Gravity Recovery and Climate Experiment (GRACE) Data Assimilation for Drought Monitoring (GRACE-DA-DM) Version 2.0 data for the conterminous US. (GRACEDADM_CLSM0125US_7D.2.0). The GRACE-DA-CM Version 2.0 data product is based on the Catchment Land Surface Model (CLSM) Fortuna 2.5 version simulation that was created by the Land Information System (LIS) data assimilation framework, using the latest gridded GRACE solutions of the University of Texas at 0.5 degree resolution.

GES DISC released to the public the NO2 and SO2 Level 2 products (version 2 OMPS_NPP_NM_L2 and OMPS_NPP_NM_L3_DAILY) from the Ozone Mapping and Profiler Suite (OMPS) Nadir Mapper instrument aboard the joint NASA/NOAA Suomi National Polar-orbiting Partnership (Suomi NPP) satellite. OMPS data are available from November 13, 2011 to the present.

GHRC DAAC

NASA's Global Hydrometeorology Resource Center Distributed Active Archive Center (GHRC DAAC) has published two datasets from the Global Precipitation Measurement Ground Validation (GPM-GV) program.

  • GPM-GV Micro Rain Radar (MRR) Olympic Mountain Experiment (OLYMPEX) dataset. This dataset contains measured and derived data from MRR instruments placed in four separate locations within the study region. The MRR is a Biral/Metek 24 GHz (K-band) vertically oriented Frequency Modulated Continuous Wave (FM-CW) radar that measures signal backscatter from which Doppler spectra, radar reflectivity, Doppler velocity, drop size distribution, rain rate, liquid water content, and path integrated attenuation are derived. Data were collected from October 31, 2014 through May 22, 2016, during OLYMPEX.
  • GPM-GV United States Department of Agriculture Agricultural Research Service Soil Moisture Iowa Flood Studies (IFloodS) dataset. A total of 15 stations were deployed near the South Fork River in North Central Iowa. The soil moisture probes measure hourly instantaneous measurements of the real dielectric permittivity, soil temperature, bulk electrical conductivity, and volumetric soil moisture. This dataset also consists of precipitation amount, air temperature, relative humidity, vapor pressure, wind speed, wind direction, and solar radiation measurements. Data were collected from April 17, 2013 through June 4, 2013, during the IFloodS Field Experiment.

GHRC DAAC has published the Hurricane and Severe Storm Sentinel (HS3) Scanning High-Resolution Interferometer Sounder (S-HIS) dataset. The S-HIS instrument measures emitted thermal radiances that are used to obtain temperature and water vapor profiles of the Earth's atmosphere in clear-sky conditions. Due to the S-HIS scanning capability, the instrument provides 2 km resolution (at nadir) across a 40 km wide ground swath when flown at an altitude of 20 km aboard NASA's Global Hawk unmanned aircraft. S-HIS data were collected during the 5-week HS3 field campaign study periods in the 2012 to 2014 Atlantic hurricane seasons.

NSIDC DAAC

NASA's IceBridge Snow Radar L1B Geolocated Radar Echo Strength Profiles, Version 2 dataset now includes data for the 2014 Antarctica campaign. This dataset contains radar echograms taken from the Center for Remote Sensing of Ice Sheets (CReSIS) ultra wide-band snow radar over land and sea ice in the Arctic and Antarctic.

IceBridge Snow Radar L1B Geolocated Radar Echo Strength Profiles, Version 2 dataset now includes data for the 2014 Antarctica campaign. This dataset contains radar echograms taken from the CReSIS ultra wide-band snow radar over land and sea ice in the Arctic and Antarctic.

NASA's National Snow and Ice Data Center DAAC (NSIDC DAAC) added new data from Special Sensor Microwave Imager / Sounder (SSMIS) data from the F16 platform to the Making Earth System Data Records for Use in Research Environments (MEaSUREs) Program Calibrated Enhanced-Resolution Passive Microwave Daily EASE-Grid 2.0 Brightness Temperature Earth System Data Record (ESDR).

Version 1 of the NASA Suomi-NPP Visible Infrared Imaging Radiometer Suite (VIIRS) Snow Cover 6-Min Swath 375m (VNP10) dataset is now available at NSIDC DAAC. The VIIRS snow cover algorithm has been specifically designed to be compatible with Moderate Resolution Imaging Spectroradiometer (MODIS) Terra and Aqua Version 6 snow cover datasets, to ensure continuity between the products and facilitate a climate-data record from the three sensors.

NSIDC DAAC would like to announce a change to data access for the Making Earth System Data Records for Use in Research Environments (MEaSUREs) Annual Greenland Outlet Glacier Terminus Positions from SAR, Version 1 dataset. Data access is now solely through our primary portal at: https://n5eil01u.ecs.nsidc.org/MEASURES/NSIDC-0642.001/. File level spatial and temporal metadata have been added to aid in searching the data.

NSIDC DAAC has also made updated Soil Moisture Active Passive (SMAP) Level-4 Products. There are several changes to the Level 4 soil moisture and carbon data. SMAP observations are now assimilated in Eastern Europe, the Middle East, and East Asia due to expanded coverage of the brightness temperature scaling parameters. An improved version of the model-only Nature Run (NRv4.1) simulation is used to derive the brightness temperature scaling parameters, the model soil moisture initial conditions, and the soil moisture climatology. Level 4 carbon model now uses dynamic 8-day Fraction of Photosynthetically Active Radiation (fPAR) inputs obtained from the latest (Collection 6) Moderate Resolution Imaging Spectroradiometer (MODIS) fPAR record at 500 m resolution.

  • SMAP Level-4 soil moisture and carbon data have been updated to Version 3 and are available at NSIDC DAAC via the following product pages:
  • SMAP L4 9 km EASE-Grid Surface and Root Zone Soil Moisture Geophysical Data (SPL4SMGP), Version 3
  • SMAP L4 9 km EASE-Grid Surface and Root Zone Soil Moisture Analysis Update (SPL4SMAU), Version 3
  • SMAP L4 9 km EASE-Grid Surface and Root Zone Soil Moisture Land Model Constants (SPL4SMLM), Version 3
  • SMAP L4 Global Daily 9 km Carbon Net Ecosystem Exchange (SPL4CMDL), Version 3

NASA's IceBridge High Capability Radar Sounder (HiCARS) 1 L1B Time-Tagged Echo Strength Profiles data are now available from NASA's National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This dataset contains Antarctic radar sounder echo strength profiles from the HiCARS Version 1 instrument.

IceBridge POS/AV L1B Corrected Position and Attitude Data for 2017 Arctic are now available from NSIDC DAAC. This dataset contains georeferencing data from the Applanix 510 POS AV system flown with the Digital Mapping System (DMS) and other instruments over Greenland and Antarctica.
IceBridge DMS L0 Camera Calibration for 2017 Arctic are now available from NSIDC DAAC. This dataset contains camera calibration reports for IceBridge DMS missions flown over Antarctica and Greenland.
The Making Earth System Data Records for Use in Research Environments (MEaSUREs) Greenland Monthly Image Mosaics from Moderate Resolution Imaging Spectroradiometer (MODIS), Version 1 dataset is now available at NSIDC DAAC. This dataset, part of the MEaSUREs Program, provides monthly image mosaics of the Greenland coastline and ice sheet periphery. The image mosaics are constructed from composited MODIS imagery, acquired each month between March 2008 to September 2016.

ORNL DAAC

NASA's Oak Ridge National Laboratory DAAC (ORNL DAAC) published the Arctic-Boreal Vulnerability Experiment (ABoVE) dataset Pre-ABoVE: Vegetation and Physiographic Features of Pingos, North Slope, Alaska. This dataset provides vegetation species and vegetation plot data collected between 1983 and 1985 from 293 study plots on 41 pingos on the North Slope of Alaska.

ORNL DAAC published the ABoVE dataset Pre-ABoVE: Geobotanical and Impact Map Collection for Prudhoe Bay Oilfield, Alaska. This dataset provides a collection of maps of geoecological characteristics of areas within the Beechey Point quadrangle near Prudhoe Bay on the North slope of Alaska: a geobotanical atlas of the Prudhoe Bay region, a land cover map of the Beechey Point quadrangle, and cumulative impact maps in the Prudhoe Bay Oilfield for ten dates from 1968 to 2010.

PO.DAAC

NASA's Physical Oceanography DAAC (PO.DAAC) established a new interface to the Royal Netherlands Meteorological Institute Data Provider and successfully retrieved and ingested data for the full year of 2007 for two reprocessed datasets: Meteorological Operational satellite A (MetOp-A) Advanced Scatterometer (ASCAT) Level 2 25-km Ocean Surface Wind Vector Climate Data Record (CDR), and 12.5-km Ocean Surface Wind Vector Climate Data Record Optimized for Coastal Ocean.

SEDAC

On 7 July, NASA's Socioeconomic Data Applications Center (SEDAC) released the Global Population Count Grid Time Series Estimates dataset and the Global Population Density Grid Time Series Estimates for beta testing. These datasets provide a consistent time series of population distribution (count and density) over 3 decades (years 1970, 1980, 1990, and 2000), backcast from the year 2000. The datasets were produced as an input into another SEDAC dataset, Global Estimated Net Migration Grids by Decade: 1970-2000. See http://beta.sedac.ciesin.columbia.edu/data/set/popdynamics-global-pop-count-time-series-estimates and http://beta.sedac.ciesin.columbia.edu/data/set/popdynamics-global-pop-density-time-series-estimate

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