DSCOVR Public Release Statement V02
DSCOVR Public Release Statement V02
The Deep Space Climate Observatory (DSCOVR) is a NOAA/NASA mission located near the Earth-Sun Lagrange point (L1) where it performs its primary objective of monitoring the solar wind as well as observing the Earth from sunrise to sunset with two Earth Science sensors: the Earth Polychromatic Imaging Camera (EPIC) and the National Institute of Standards and Technology (NIST) Advanced Radiometer (NISTAR). The Earth sensors measure the broadband radiative fluxes of the entire dayside of Earth (NISTAR) as well as key spectral radiative characteristics in 10 narrowband channels (between 317 and 790 nm) at 10-20 km spatial resolution (EPIC). Information about mission and instruments is available at ASDC DSCOVR Overview Guide https://eosweb.larc.nasa.gov/project/dscovr/DSCOVR_overview_2016-06-29.pdf as well as http://www.nesdis.noaa.gov/DSCOVR/
The DSCOVR project, together with the DSCOVR Earth Sensors science team and the NASA Langley Atmospheric Science Data Center (ASDC), announce the release of both Earth sensors’ Level 1 data. The release of Level 1 EPIC data provides 10 channel spectral radiances in counts/sec units. The calibration factors that convert counts/sec into energy units (W/m2/nm/sr) are also provided. The released datasets have (L1A) instrument calibrations, flat-fielding, stray-light correction and (L1B) geolocation applied.
The release of Level 1 NISTAR data provides irradiance measures in three broadband ranges from three active cavity radiometers. The total channel measures both solar reflected and Earth thermal radiation, the shortwave channel extracts the solar reflected irradiance, and the third channel is limited to the near infrared solar reflected signal. The fourth detector is a high signal-to-noise photodiode spanning UV, Visible, and Near IR frequencies. Absolute calibration parameters are provided.
The released data is available from June 2015 through the current day via the ASDC Earthdata Search https://earthdata.nasa.gov/search?q=DSCOVR. Color imagery can be seen at http://epic.gsfc.nasa.gov. New Level 1 data will be released approximately 24-36 h after observations. Information about data formats can be found at EPIC Data Format Control Book https://eosweb.larc.nasa.gov/project/dscovr/EPIC_Data_Format_Control_Book_2016-07-01.pdf and at NISTAR Data Format Control Book https://eosweb.larc.nasa.gov/project/dscovr/NISTAR_Data_Format_Control_Book_2016-07-01.pdf.
NOAA releases data from the space weather instruments. The data, as well as space weather forecasts with a 30-45 minute lead-time is available via the Space Weather Prediction Center at http://www.swpc.noaa.gov/.
Please access additional documentation temporarily:
- EPIC Geolocation Quality - https://eosweb.larc.nasa.gov/project/dscovr/EPIC_Geolocation_quality_2016-07-11.pdf
- EPIC L0 L1A Processing V02 - https://eosweb.larc.nasa.gov/project/dscovr/DSCOVR_EPIC_L0_L1A_Processing_V02.pdf
- EPIC Calibration Factors V02 - https://eosweb.larc.nasa.gov/project/dscovr/DSCOVR_EPIC_Calibration_Factors_V02.pdf
- NISTAR Quality Report V02 - https://eosweb.larc.nasa.gov/project/dscovr/DSCOVR_NISTAR_Data_Quality_Report_V02.pdf
- NISTAR User's Guide - https://eosweb.larc.nasa.gov/project/dscovr/NISTAR_Users_Guide_09-08-15_0.pdf
- NISTAR Processing V02 - https://eosweb.larc.nasa.gov/project/dscovr/DSCOVR_NISTAR_Processing_V02.pdf
- NISTAR Data Format Control Book - https://eosweb.larc.nasa.gov/project/dscovr/EPIC_Data_Format_Control_Book_2016-07-01.pdf