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Validation Protocol

Updates June 2006 Jo Høkedal and Kai Sørensen

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Changes and updates

Change record

Issue Date Description Change pages

1.0 15/01/06 Validation protocol applicable to GlobCOLOUR validation – v1

Initial version

1.1 27/02/06 Includes comments received from ESA and from IOCCG.

Identified by change bars

2.0 30/06/06 New figure 3.3 FerryboxSection 5 : updated (sec 5.1)

Section 6 : newNew version

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Chapter 3.5. Additional datasets

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Updated Fig 3.3

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Chapter 5 Specifics for validation of PPSUpdate 5.1 Absolute Valdation of the

PPS

• More in situ data in 2002 than 2003 (NOMAD and NILU database).

• Change of Validation month?– Org: March 2003, June 2003, Sept 2003, Dec. 2003– New: July 2002, Oct 2002, Jan 2003, April 2003.

• Any impact on the planned validation?

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Available in situ data (DDS)

• NOMAD: DDS01 (Hawaii), DD04 (Sargasso Sea), DDS05( Caribian Sea), DD06 (California), DD07 (Gulf of Maine), DD08 (New Jersey), DD09 (Benguela), DD13 (Antartic)

• NILU: DDS03 (Adriatic Sea), DDS18 (Skagerrak) (not in Document), DDS10 (Helgoland) (Should be available?)

• Other: DDS02 (Ligurian Sea), DDS11 (English Channel).

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Chap. 6. Specifics for validation of FPS

• Ten years of daily-, weekly- and monthly-binned level 3 merged data products, generated using the best merging algorithm.

• The time series will cover the period 1997 (only SeaWiFS available) – 2006 (SeaWiFS, MODIS, MERIS, Parasol data available)

• FPS will include both level 2 binned input products and level 3 merged products as daily, weekly and monthly averaged products mapped on a common 4.64km grid.

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Chap. 6. Specifics for validation of FPS

Open Ocean

• chlorophyll-a,

• diffuse attenuation coefficient,

• and, depending on the selected merging algorithm, possibly – normalised water-leaving radiances (nLw), – CDOM absorption at 443 nm in Case 1 water– Particle backscattering at 443 nm

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Chap. 6. Specifics for validation of FPS

Coastal waters

• Same as for open ocean Case 1, plus :• Particle backscattering or total suspended

matter (TSM), • CDOM absorption produced through Case 1

algorithm, • Possibly YSBPA-MERIS type Case 2 product

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Chap. 6. Specifics for validation of FPS

Validation phases

• Absolute validation against in situ data sets

• Assessment of temporal variability

• Comparison with other ongoing project, i.e., REASon.