ICARE Highlights



CATS L1B V3-00 and L2O V3-01 data products available
July 2019


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NASA’s Cloud-Aerosol Transport System (CATS) is a lidar remote sensing instrument on the International Space Station (ISS). During its life span of 33 months, from 25 March 2015 through 29 October 2017, CATS provided measurements of cloud and aerosol profiles similar to CALIPSO.
CATS Level-1B Version 3-00 and Level-2O Version 3-01 data are now available both in the ICARE archive and at NASA/ASDC.




2nd APOLO Conference – 4-7 November 2019, Lille, France
Advancement of POLarimetric Observations: instruments, calibration, and improved aerosol and cloud retrievals


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The 2nd conference on "Advancement of POLarimetric Observations: instruments, calibration, and improved aerosol and cloud retrievals" (APOLO) will be held November 4-7, 2019, at the University of Lille, France. Various topics will be covered, including: advances in the theory of polarimetric remote sensing, optimization of strategies of polarimetric Earth observations, improvement of polarimetric observation quality and information content, among many others.
Registration to the conference is now open.




Workshop announcement:
International Satellite Cloud Climatology Project ­– Next Generation
EUMETSAT, 28-30 October 2019 (invitation only)


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The workshop will be held to discuss priorities for the future direction of the International Satellite Cloud Climatology Project ­– Next Generation (ISCCP-NG). The Earth observing capabilities from geostationary orbit have advanced substantially over recent years. With the launch of GOES-17 in 2018, the global geostationary constellation is now comprised of sensors with 10 or more channels, viewing the earth at sub-hourly time scales and with resolutions finer than 5 km. With the launch of Meteosat Third Generation (MTG) in 2021, the global geostationary constellation will have 10 common spectral channels. There is a clear need to exploit this new Earth observing capability. The primary goal of the workshop is to define the scientific scope and the technical contents and methods needed for ISCCP-NG.
The registration deadline is September 30, 2019.




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.




5e Journée Scientifique et Prospective du Labex CaPPA – 6 mars 2019
5th Science Day and Outlook of the Labex CaPPA – March 6, 2019


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La Journée Scientifique du Labex CaPPA est organisée tous les ans à destination des laboratoires du Labex. Elle est l'occasion de discuter et échanger au sujet des avancées scientifiques des différents groupes de travail. Bilan scientifique de l'année 2018, présentation de posters et ateliers sont prévus. Toute la communauté scientifique qui travaille pour le projet est invitée à cet évènement.
L'évènement se tiendra le mercredi 6 mars, de 9h15 à 17h dans les locaux de l'IMT Lille Douai (campus Cité Scientifique).




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.




CALIPSO orbit change
September 2018


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On September 13, 2018 CALIPSO will begin lowering its orbit from 705 km to 688 km to resume formation flying with CloudSat. The sequence of maneuvers is expected to take about a week and the payload instruments will be turned off (Cloud-Aerosol Lidar with Orthogonal Polarization (CALIOP), Imaging Infrared Radiometer (IIR), and Wide Field Camera (WFC)). Normal science operations are anticipated to begin in late September with public data availability around October 10, 2018.




First announcement
2nd Workshop CGMS International Cloud Working Group
29 October-2 November 2018, Madison, Wisconsin, USA


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The 2nd Workshop of the International Cloud Working Group (ICWG) will be held in Madison, Wisconsin, USA from 29 October to 2 November 2018. The workshop aims at enhancing cloud retrieval schemes and their applicability and a better characterization of their validity. Experts working with cloud parameter retrieval schemes from passive imagers, passive microwave, and lidar and radar observations are invited to participate in the workshop and to contribute to the workshop’s cloud parameter inter-comparison and validation activities. More information on registration and submitting abstracts will follow in the second announcement.

To see the first official announcement, click here.
For details on the selected golden days, and when and how to submit your data, click here.




Release of CALIPSO V1-00 Lidar Level-3 Ice Cloud product
July 2018


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The Atmospheric Science Data Center (ASDC) at NASA Langley Research Center in collaboration with the CALIPSO mission team announces the release of a new CALIOP Level 3 Ice Cloud Product: CAL_LID_L3_Ice_Cloud-Standard-V1-00
The CALIOP Level-3 Ice Cloud monthly product reports global distributions of ice cloud extinction coefficients and ice water content histograms on a uniform spatial grid. All parameters are derived from the latest version 4 CALIOP Level-2 5 km cloud profile product. The monthly product is available beginning with data from June 13, 2006 through December 31, 2016.




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