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Introduction to products

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The project focuses on developing, delivering and characterizing a number of ozone ECV data products generated from European nadir, limb and occultation satellite sensors.

Three main product lines will be developed:

Total ozone from nadir UV backscatter sensors

A time-series covering the period from 1995 until present will be generated by merging total ozone measurements from the GOME, SCIAMACHY, GOME-2 and OMI instruments. All European sensors will be processed using the state-of-the-art direct-fitting algorithm developed for GOME (GDP5). 

Ozone profiles from nadir UV backscatter sensors

A merged ozone profile data set from GOME, SCIAMACHY, OMI and GOME-2 instruments will be generated for a minimum of two contiguous years. Best elements from existing retrieval codes will be combined in a single CCI algorithm applied to all sensors.

Ozone profiles from limb and occultation sensors

A merged ozone profile data set covering at least two contiguous years will be created from all limb/occultation sensors onboard of ENVISAT (GOMOS, MIPAS, SCIAMACHY) as well as from the Third Party Missions OSIRIS, SMR and ACE/FTS.

Product identifier

Source / Processing center

Time periods

    95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11
Level-2 Data Sets

TC_L2_GOME

BIRA/DLR X X X X X X X X X X X X X X X X X
TC_L2_SCIA BIRA/DLR               X X X X X X X X X X
TC_L2_GOME2 BIRA/DLR                         X X X X X
NP_L2_GOME RAL/KNMI     X                            
NP_L2_SCIA RAL/KNMI                         X X      
NP_L2_OMI KNMI                         X X      
NP_L2_GOME2 RAL/KNMI                         X X      
Level-3 Data Sets
TC_L3_MRG DLR/BIRA X X X X X X X X X X X X X X X X X
NP_L3_MRG RAL/KNMI     X                   X X      
LP_L3_SCIA IUP-Bremen               X X X X X X X X X X
LP_L3_MIPAS TBD1                         X X      
LP_L3_GOMOS FMI               X X X X X X X X X X
LP_L3_OSIRIS SASK             X X X X X X X X X X X
LP_L3_MRG EOST-3 team                         X X      
Level-4 Data Sets
NP_L4_MRG KNMI     X                   X X      

List of ozone data products to be generated within the Ozone_cci project. Data products are classified according to their level (2, 3 or 4) and type (column, nadir profile or limb profile). Time periods that will be processed in CCI phase 1 are specified.

The table present a list of the Ozone_cci data products to the extent they can be defined at this stage of the project. Since a substantial amount of algorithm development still has to be undertaken, this specification is incomplete and expected to change as the project evolves.

Product identifier convention: PRD_LV_INST_PRO where:

  • PRD is the product, i.e. ‘TC’, ‘NP’, ‘LP’ for ozone total column, ozone nadir profiles and ozone limb profiles respectively;
  • LV is the product level, i.e. ‘L2’, ‘L3’, ‘L4’;
  • INST is the instrument, for multi-sensor merged or assimilated products use “MRG” or “ASM”;
  • PRO is the processing centre.

For more details, please consult the Product Specification Document.