Multi-satellite/Operational Applications Splinter Summary. Chairs: G. Jacobs, C. Birkett, P. Oke March 2007 Ocean Surface Topography Science Team Meeting. Oral Presentations.
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Chairs: G. Jacobs, C. Birkett, P. Oke
Ocean Surface Topography Science Team Meeting
0 lag –analysis skill
1 week lag –little loss of skill
2 week lag – forecast beginsto deteriorate
3 week lag – forecast still better than …
no assimilationIssues in Data Assimilation
Ensemble forecasts (white), ensemble mean (black) and obs (colour)
RMS difference between ROMS subsurface temperature predictions and all XBT observations in 2001-2002 in the Tasman Sea
… forecast skill of a i4DVar system
… importance of sub-surface assimilation for forecast skill
Wilkin et al.
… results from Bluelink ReANalysis (above)
Oke et al.
… OceanMAPS undergoing operational trials
Brassington et al.
Chao et al
Using value-added products that are derived from altimetry for flexible ocean management
Alpine et al.
3D ocean info
Hobday et al.
NRT monitoring of sea-level in lakes and reserviors, www.pecad.fas.usda.gov/cropexplorer/global_reservoir
Application for agriculture, water resources, irrigation potential, long-term drought …
Birkett et al.
15 degree water off NSW in summer!
Adelaide Advertiser …
Griffin et al.
Verron et al. OSSEs for the choice of AltiKa orbit
Compare performance of assimilating model using Jason-2 + 10, 17 or 35 day AltiKa satellite
35 day AltiKa seems a good compromise for mid-latitudes
EKE differences between
4 & 2 satellites missions
(Units are in cm2/s2)
Comparison with tide gauges
… Escudier et al., Larnicol et al.
Applications to climate, tropical, etc.
… Lagerloef et al.