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SMOS Data Distribution

SMOS Data Distribution. Support SMOS Commissioning Phase Task within CalValPortal Project Supply one-stop access point for SMOS Cal/Val teams Distribute recent acquisitions Short-term archive (online) Long-term archive (offline). Frame. “The CEOS is providing information and data for

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SMOS Data Distribution

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  1. SMOS Data Distribution

  2. Support SMOS Commissioning Phase Task within CalValPortal Project Supply one-stop access point for SMOS Cal/Val teams Distribute recent acquisitions Short-term archive (online) Long-term archive (offline) Frame

  3. “The CEOS is providing information and data for calibration(Cal) and Validation (Val) of Earth Observation (EO) data through this portal.” Web Portal providing Information Data Tools Campaign support CalValPortal (1)

  4. Information Cal/Val best practices Sensor specifications Data Satellite data Ground measurements Campaign support Campaign specific pages Forum „calvalportal.ceos.org“ CalValPortal (2)

  5. Receive all SMOS acquisitions from ESAC Distribute data to PIs according to requests EE subset over sites (L1c and L2) Pole–to-Pole files if requested Auxiliary files Notify PIs by Email Log up- and download traffic Mid-term rolling archive (online) Long term archive (offline) SMOS-DD Purpose

  6. SMOS-DD Data Flow FTP-push FTP-get ESAC (Spain) SMOS-DD BC (Geesthacht) FTP-push LTA ESRIN (Italy) Fallback PIs

  7. Expected traffic Upload of up to 60 GB/day from ESA Download of up to 100 GB/day by users Failsafe system Dual server installation Automatic mirroring SMOS-DD Constraints

  8. Start of SMOS-DD test phase April 2009 Official start of SMOS-DD in March 2010 System runs operational Availability > 99.99 % since April 2009 Serves ~ 70 PI‘s Registered for ~ 130 Test-Sites SMOS-DD Current State

  9. Data uploaded by ESA ~ 500.000 Files, volume of 7.8 TB, ~ 3 TB available online Data downloaded by Users: Subsets over sites and pole-to-pole files ~ 2.300.000 files made available to users Actual download volumes July 2010: 59.362 files, 2.0 TB August 2010: 92.625 files, 2.9 TB September 2010: 115.136 files, 3.2 TB SMOS-DD Total Traffic

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