GSC Sentinel-2 PDGS OCD - Emits - ESA

Product-
Type
On-Line
retention
Off-line
retention
Data-storage strategy
GSC Sentinel-2 PDGS OCD
Issue 1 Revision 2 (draft) - 25.07.2010
GMES-GSEG-EOPG-TN-09-0008
page 103 of 350
S2HKTM 1 week Missionlifetime
and
Data is available on-line at the station for 1 week then
circulated for long-term archival
S2MSI0 3 months
beyond
Data is available on-line at the station for 1 week whilst
circulated for 3 months medium-term archiving in parallel to
long-term archiving. The 3-months on-line archive allows for
swift reprocessing in particular during commissioning.
S2MSI1A 1 month N/A Products are maintained on-line for 1 month.
S2MSI1B 1 month Missionlifetime
and
beyond
S2MSI1C
1 month
global
1 year
global
cloud-free
1 year over
Europe
Missionlifetime
and
beyond
Products are maintained on-line for 1 month then
accessible from the long-term storage.
All products with a detected cloudiness below a given
threshold (e.g. 80%) are maintained on-line for 1 year.
Over Europe, all products are maintained regardless of
cloud cover. All data is kept on-line for at least one month.
When not on-line, all products can be retrieved off-line from
the long-term archive.
Table 4-7 Product retrieval baseline strategy per product-type
This concept is illustrated on Figure 4-12.
Figure 4-12 Data Access latency versus data retention in archives
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