Upload
davis
View
62
Download
0
Embed Size (px)
DESCRIPTION
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 - PowerPoint PPT Presentation
Citation preview
smos user workshop
20 October 2010 | KlimaCampus Hamburg | Germany
SMOS Data Distribution
smos user workshop
20 October 2010 | KlimaCampus Hamburg | Germany
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
smos user workshop
20 October 2010 | KlimaCampus Hamburg | Germany
“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)
smos user workshop
20 October 2010 | KlimaCampus Hamburg | Germany
Information• Cal/Val best practices• Sensor specifications
Data• Satellite data• Ground measurements
Campaign support• Campaign specific pages• Forum
„calvalportal.ceos.org“
CalValPortal (2)
smos user workshop
20 October 2010 | KlimaCampus Hamburg | Germany
• 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
smos user workshop
20 October 2010 | KlimaCampus Hamburg | Germany
SMOS-DD Data Flow
ESAC (Spain)
LTA ESRIN (Italy)Fallback
FTP-push
FTP-pushSMOS-DDBC (Geesthacht)
FTP-get
PIs
smos user workshop
20 October 2010 | KlimaCampus Hamburg | Germany
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
smos user workshop
20 October 2010 | KlimaCampus Hamburg | Germany
• 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
smos user workshop
20 October 2010 | KlimaCampus Hamburg | Germany
• 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