Page 1 GlobCOLOUR 1st User Consultation Meeting – December 4-6, 2006, Villefranche sur mer

Applications of the GlobCOLOUR PPS

and FPS

Sam Lavender, UoP

Inputs from the GlobCOLOUR team

Special thanks to Yaswant Pradhan,

Julien Demaria, Gilbert Barrot &

David Antoine.

Page 2 GlobCOLOUR 1st User Consultation Meeting – December 4-6, 2006, Villefranche sur mer

Overview of Presentation

• Advantages of merged data

• Primary Product Set (PPS) Diagnostic Data Sets (DDS)

• Some applications

• Conclusions

Page 3 GlobCOLOUR 1st User Consultation Meeting – December 4-6, 2006, Villefranche sur mer

Advantages of Merged Data

• Reduced impact from clouds

• A longer time series than a single sensor

• Better understanding of errors, and the inclusion of error estimates in the output products for GlobCOLOUR

Page 4 GlobCOLOUR 1st User Consultation Meeting – December 4-6, 2006, Villefranche sur mer

Advantages of Merged Data: individual sensors on a single day

Page 5 GlobCOLOUR 1st User Consultation Meeting – December 4-6, 2006, Villefranche sur mer

Advantages of Merged Data: merged data

Page 6 GlobCOLOUR 1st User Consultation Meeting – December 4-6, 2006, Villefranche sur mer

Climate Change and the need for a Long Time-series

Raitsos et al. (2005), GRL, 32

Page 7 GlobCOLOUR 1st User Consultation Meeting – December 4-6, 2006, Villefranche sur mer

PPS (and then FPS) DDS sites

Page 8 GlobCOLOUR 1st User Consultation Meeting – December 4-6, 2006, Villefranche sur mer

PPS DDS sites

Open Ocean (Rapa Nui)

Upwelling Region (Benguela)

Coastal Water (Venice Tower)

Page 9 GlobCOLOUR 1st User Consultation Meeting – December 4-6, 2006, Villefranche sur mer

BOUSSOLE site (DDS02):

Page 10 GlobCOLOUR 1st User Consultation Meeting – December 4-6, 2006, Villefranche sur mer

Analysis of Trends

Lavender et al. (Submitted)

Page 11 GlobCOLOUR 1st User Consultation Meeting – December 4-6, 2006, Villefranche sur mer

Analysis of Anomalies

Pradhan et al. (2006), DSRII, 53

Page 12 GlobCOLOUR 1st User Consultation Meeting – December 4-6, 2006, Villefranche sur mer

But GlobCOLOUR will provide more than just chlorophyll…

• Bio-geochemical variables: Chl, TSM and CDM

• Underwater light field: Kd

• Atmospheric variables: Aerosol optical depth, Cloud Fraction and PAR

• nLws are provided so the users can create their own (regional specific) products

Page 13 GlobCOLOUR 1st User Consultation Meeting – December 4-6, 2006, Villefranche sur mer

Thank youfor yourattention