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Meeting Dates Location Title Author. 2 of 12 Dates Meeting Info Presentation info NASA Aquarius Mission Timeline May SPURS-2 Workshop EOPM OSST Seattle.

Published byShanon French Modified over 9 years ago

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Presentation on theme: "Meeting Dates Location Title Author. 2 of 12 Dates Meeting Info Presentation info NASA Aquarius Mission Timeline May SPURS-2 Workshop EOPM OSST Seattle."— Presentation transcript:

1 Meeting Dates Location Title Author

2 2 of 12 Dates Meeting Info Presentation info NASA Aquarius Mission Timeline May SPURS-2 Workshop EOPM OSST Seattle Initial SPURS- 2 Cruise Window

3 3 of 12 Dates Meeting Info Presentation info 2-year mean of Aquarius SSS

4 4 of 12 Dates Meeting Info Presentation info 2-year mean of Aquarius SSS

5 5 of 12 Dates Meeting Info Presentation info Animation of monthly maps

6 6 of 12 Dates Meeting Info Presentation info Monthly maps – 2 year average

7 7 of 12 Dates Meeting Info Presentation info Monthly maps with rain – first year

8 8 of 12 Dates Meeting Info Presentation info Monthly maps with rain – second year

9 9 of 12 Dates Meeting Info Presentation info Salinity/rain anomalies – first year

10 10 of 12 Dates Meeting Info Presentation info Salinity/rain anomalies – second year

11 11 of 12 Dates Meeting Info Presentation info 12 month EOF from 2-year averaged Aquarius SSS

12 12 of 12 Dates Meeting Info Presentation info 24 month EOF of Aquarius SSS Consider shifting site westward to ~130°W to catch the EOF1 center of action and EOF2 saddle point

13 13 of 12 Dates Meeting Info Presentation info Mean March (dry season) Current

14 14 of 12 Dates Meeting Info Presentation info Mean October (wet season) Current

15 15 of 12 Dates Meeting Info Presentation info TIWs affect ocean, climate, biogeochemistry Aquarius reveals TIWs salinity structure for the 1 st time from space). Brings new understanding to TIWs. Lee, Lagerloef, Gierach, Yueh, Dohan (2012, June GRL) SSS from Aquarius (color shading), SST (contours in a), surface currents (arrows in b) on Dec. 11, 2011 (7-day maps) PSU Aquarius Captures Pacific TIWs Reynolds ¼-deg OI OSCAR

16 16 of 12 Dates Meeting Info Presentation info The black contours are 100 mm/month isolines. H.Kao &G.Lagerloef, JGR-Oceans in prep, 2013 October 2012 monthly averages Above: Aquarius SSS gradients reveal prolific frontal structures that are not evident in Argo OI maps. Dark contour is 34.6 isohaline. Below: Differences between the maps above show (left) that satellite SSS are biased low relative to Argo in high rain regions, and (right) frontal patterns unresolved by Argo. Fronts

17 17 of 12 Dates Meeting Info Presentation info Salinity gradient maps psu/km – 2 year average

18 18 of 12 Dates Meeting Info Presentation info Salinity gradient maps psu/km – first year

19 19 of 12 Dates Meeting Info Presentation info Salinity gradient maps psu/km – second year

20 20 of 12 Dates Meeting Info Presentation info Summary Proposed SPURS-2 site is in zonal band of strongest seasonal SSS variability EOFs show peak SSS amplitude at ~130W; ~ 0.5 psu amplitude. Coincides with null point in quadrature phase EOF2 Seasonal cycle is lightly asymmetrical over the year; max SSS in March, min SSS in October Interannual variations; SSS under the ITCZ in Year 2 (Sep12- Aug13) was significantly less than in Year 1 (Sep11-Aug12). Proposed site is in the climatological shear zone between NECC and NEC Fronts varied seasonally and interannually; strongest during the wet season.

21 21 of 12 Dates Meeting Info Presentation info

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