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Ocean Colour Radiometry (OCR) Virtual Constellation (VC). Martha Maiden/James Yoder. Global Biosphere (Sep 1997 - Aug 2000) - average Chlorophyll concentration from SeaWiFS. International Ocean Colour Coordinating Group OCR-VC. Background/Past Accomplishments.

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ocean colour radiometry ocr virtual constellation vc

Ocean Colour Radiometry (OCR)Virtual Constellation (VC)

Martha Maiden/James Yoder

Global Biosphere (Sep 1997 - Aug 2000) - average Chlorophyll concentration from SeaWiFS

International Ocean Colour Coordinating Group OCR-VC

slide2

Background/Past Accomplishments

  • The OCR-VC will provide a long time series of calibrated ocean-colour radiances and derived products from measurements obtained from multiple satellites.
  • OCR products:Chl-a (an index of phytoplankton biomass and the fundamental basis of biological production in the oceans), CDOM, particulate organic carbon,

total suspended sediments and global primary production.

  • GCOS lists ocean colour, and chl-a concentration calculated from OCR, as an Essential Climate Variable (ECV) for climate monitoring; chl-a is linked to cycling of carbon between the ocean and atmosphere.
  • The GEO 2009-2011 Work Plan lists OCR as contributing directly to two tasks under the SBA’s of agriculture and ecosystems, and indirectly to climate and health (water quality).
  • OCR-VC first proposed at SIT-21 (Woods Hole, April 2008)
  • OCR-VC accepted at SIT-22 (Tokyo, September 2008)

IOCCG Ocean Colour Radiometry - Virtual Constellation

slide3

Ocean Colour Radiometry Missions

01

02

03

04

05

06

07

08

09

10

11

12

13

14

15

16

KOMPSAT-1/OSMI (KARI)

COMS-1/GOCI (KARI)- geostationary

Oceansat-2/OCM-2 (ISRO)

Oceansat-1/OCM (ISRO)

SENTINEL-3B

SENTINEL-3A

SENTINEL- 3A (ESA/EUMETSAT)

Envisat/MERIS (ESA)

POLDER-3 (CNES)

GCOM-C SGLI(JAXA)

ADEOS-II

MODIS-Aqua (NASA)

GOCEP(NASA)

NPP-VIIRS

MODIS-Terra (NASA)

NPOESS-VIIRS C1

SeaWiFS (NASA)

MOS (DLR)

NPOESS-C2

Planned/Pending Approval

Launched

Approved

IOCCG Ocean Colour Radiometry - Virtual Constellation

slide4

Current/Future Challenges

  • Assembling an OCR-VC Study Team
  • Co-Chairs: Two co-chairs, one from JRC (EU), the other from JAXA
  • Agency Co-Leads: NASA, NOAA, ESA, Eumetsat, JRC, CNES, JAXA,

KORDI, ISRO, INPE, CSA and possibly others.

  • Supported by IOCCG Chair (Jim Yoder) & Project Scientist (Venetia Stuart).
  • Preparation of OCR-VC Implementation Plan (by Sept `09)
  • Phase 1 (2008 to ~2012): Until the launch of ESA’s Sentinel-3
  • Phase 2 (Post-launch of Sentinel-3), including VIIRS on NPOESS, GCOM-C

and overlap with sensors still operating from Phase 1 (e.g. OCM-2).

IOCCG Ocean Colour Radiometry - Virtual Constellation

slide5

Proposed Phase 1 OCR-VC activities may include :

OCR-VC Phase 1 activities under discussion

  • Calibration/Validation (e.g. SIMBIOS-type activities, support for SeaBASS and MOBY)
  • Quality of OCR Data Stream (e.g. propose improvements to VIIRS on NPOESS, minimum design requirements)
  • Merging Data (follow-up to GlobColour, possibly merging with OCM-2 data)
  • Product Generation (e.g.1-km global product)
  • Applications (SAFARI Project, expand the ChloroGIN network)
  • New Technologies/Research and Development (bio-optical

sensors on ARGO floats, data from geostationary platforms)

  • Capacity Building (enhance IOCCG and JRC capacity building

activities in Africa, India and elsewhere).

IOCCG Ocean Colour Radiometry - Virtual Constellation

slide6
Requested Agency Commitments
  • Provide senior agency representation at OCR-VC Study Team meetings.
  • Fund and encourage participation in activities that agency leads oversee.
  • Encourage production and sharing of common data and products across

missions, especially for cal/val.

  • Provide free and easy access to satellite

data for merging/ reprocessing.

  • Encourage production of new and

improved OCR products.

IOCCG Ocean Colour Radiometry - Virtual Constellation