ICARE

The ICARE Thematic Center was created in 2003 by CNES, CNRS, the Nord-Pas-De-Calais Regional Council, and the University of Lille, to provide various services to support the research community in fields related to atmospheric research, such as aerosols, clouds, radiation, water cycle, and their interactions. ICARE's initial emphasis is the production and distribution of remote sensing data derived from Earth observation missions from CNES, NASA, and EUMETSAT. One of ICARE's main components is the Data and Services Center, located at the University of Lille, which develops science algorithms and production codes, building on the expertise from various partner Science Computing Facilities, and distributes products to the users community. ICARE is one of the 4 centers of AERIS, the French Data Infrastructure for Atmosphere created in 2014.

HIGHLIGHTS


Release of CALIOP V1-00 Level 1.5 product
April 2019


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The CALIPSO mission team, in collaboration with the Atmospheric Science Data Center (ASDC) at NASA Langley Research Center and AERIS/ICARE Data and Services Center, announces the release of a new CALIOP Level 1.5 Product:
CAL_LID_L15-Standard-V1-00
The CALIOP Level 1.5 data is a continuous segment of calibrated, geo-located, cloud-cleared, and spatially averaged profiles of lidar attenuated backscatter. These profiles are derived via a synthesis of the CALIOP V4.10 Level 1B profile and V4.20 Level 2 Vertical Feature Mask data products.
The product is available beginning with data from June 13, 2006 and as of this announcement, through December 31, 2018.




Order tool for geostationary data
October 2018


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A new order tool was developed by AERIS/ICARE Data and Services Center to retrieve geostationary data sets from the ICARE archive.
Click here to access the tool.
Users can combine various selection criteria (satellite(s), data set(s), geographic region, date range, time range, etc.) to place custom orders. Orders can mix different satellites and data sets. Reprojection on a standard geographic grid is offered as an option, along with geographic subsetting. The tool generates a download script based on the users selection, such that users can retrieve complex and/or massive orders offline automatically. The service is open to all registered users.
Users are invited to provide feedback and comments to contact@icare.univ-lille1.fr.




Release of CALIPSO V4.20 Lidar Level 2 products
October 2018


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The CALIPSO mission team, in collaboration with the Atmospheric Science Data Center (ASDC) at NASA Langley Research Center and AERIS/ICARE Data and Services Center, announces the release of an update to the standard Level 2 lidar data products:

  • CAL_LID_L2_01kmCLay-Standard-V4-20
  • CAL_LID_L2_333mMLay-Standard-V4-20
  • CAL_LID_L2_05kmMLay-Standard-V4-20
  • CAL_LID_L2_05kmALay-Standard-V4-20
  • CAL_LID_L2_05kmCLay-Standard-V4-20
  • CAL_LID_L2_05kmAPro-Standard-V4-20
  • CAL_LID_L2_05kmCPro-Standard-V4-20
  • CAL_LID_L2_VFM-Standard-V4-20
The V4.20 CALIOP Level 2 products contain new laser energy science data sets. These science data sets provide information for filtering out low laser energy shots, a phenomenon which has impacted CALIOP data quality in the South Atlantic Anomaly region since mid-2017. A technical advisory of this phenomenon, and the recommended courses of action for mitigating its impact on science analyses, was posted on the CALIPSO website in June of 2018. In that advisory, it was noted that the existing V4.10 CALIOP Level 2 dataset did not contain enough information to identify low laser energy shots without having to access the corresponding V4.10 CALIOP Level 1 files. In order to provide a simpler method to exclude affected level 2 data, the new V4.20 CALIOP Level 2 files now includes science data sets for both 532 nm single shot energy (directly from the Level 1 product) and the minimum 532 nm laser energy for each 80 km chunk. This avoids the necessity to download both the CALIOP Level 1 and Level 2 data products in order to exclude affected profiles. All other science data sets within the V4.20 Level 2 products are identical to those of the V4.10 Level 2 products.
The product is available beginning with data from January 1, 2017 and as of this announcement, through May 31, 2018. Remaining data will be available as it is produced, starting with most recent and working backwards through the mission.


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