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wmo-im / BUFR4

BUFR edition 4
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New descriptor for OLCI classification and quality; BUFRCREX_CodeFlag_en_40.csv #210

Open marijanacrepulja opened 1 month ago

marijanacrepulja commented 1 month ago

Initial request

Proposal for the new BUFR descriptor to represent OLCI classification and quality. This is to support assimilation of the OLCI data in NWP models.

https://sentinels.copernicus.eu/documents/247904/4812102/S3IPF%20PDS%20004.1%20-%20i2r5%20-%20Product%20Data%20Format%20Specification%20-%20OLCI%20Level%201.pdf/0f4a2cab-171b-e240-8b7e-d4d6410db762

Amendment details

1. Add a new element in table B 0-40-081 for OLCI classification and quality F X Y ELEMENT NAME UNIT SCALE REFERENCE VALUE DATA WITH (bits)
0-40-081 OLCI Level 1 classification and quality Flag table 0 0 31
2. Add a new CODE/FLAG TABLE 0-40-081 for OLCI Level 1 classification and quality Bit No OLCI Level 1 classification and quality
1 - 17 Reserved
18 Land
19 Coastline
20 Fresh inland water
21 Tidal regions
22 Preliminary Cloud
23 Stray light risk
24 Invalid
25 Cosmetic
26 Duplicated
27 Sun glint risk
28 Dubious
29 Saturated
30 Partly saturated
All 31 Missing

3. Add to abbreviation table OLCI - Ocean and Land Colour Instrument

Comments

No response

Requestor(s)

Enter list of requestors.

Stakeholder(s)

Copernicus EU Copernicus Atmosphere Monitoring Service (CAMS)

Publication(s)

Example: Manual on Codes (WMO-No. 306), Volume I.2, BUFR, BUFRCREX_CodeFlag_en_40.csv

Expected impact of change

MEDIUM

Collaborators

No response

References

No response

Validation

No response

amilan17 commented 1 month ago

https://github.com/wmo-im/tt-tdcf/wiki/2024.10.15.tt.tdcf notes:

marijanacrepulja commented 1 week ago

olci.zip Sample BUFR file and decoded message

amilan17 commented 1 week ago

https://github.com/wmo-im/tt-tdcf/wiki/2024.11.13.tt.tdcf notes: