![Page 1: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/1.jpg)
Sergio deRadaSergio deRada
John Kindle John Kindle (Ret)(Ret)
Igor ShulmanIgor ShulmanStephanie Anderson Stephanie Anderson
Ocean Sciences Ocean Sciences MeetingMeeting
Orlando, FLOrlando, FLMarch 5, 2008March 5, 2008
![Page 2: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/2.jpg)
Global Models
1/12-degree GLOBAL HYCOM- Mercator Grid* (~7Km)- 4500x3298- 32 Layer ρ/σ/z- Expt 60.5 (O.M. Smedstad)
1/8-degree GLOBAL NCOM- Curvilinear (~12Km)- 2048x1280- 40 Level σ/z (19/21)- glb8_2f (operational)
NCOM Regional Model
California Current System (CCS)
30-50N, 116-134W
• 1/12-degree
• 163x229
• 40 Level σ/z (19/21)
• Lat/Lon grid (~9Km)
NCOM Coastal Model
Monterey Bay (MB)
35.5-37.5N, 121.5-123.5W
• ~1-4Km Resolution
• 81x58
• 29 σ levels
• Orthogonal Curvilinear Grid
MODELSMODELS
Motivation: Global->Coastal
![Page 3: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/3.jpg)
HYCOMGLB60.5
NCOMCCS 41.2(HYCOMGLB)
NCOMMB 65.0(HYCOMGLB)
EXPERIMENTSEXPERIMENTS
NCOMMB 65.3(NCOMCCS)
NCOMGLBglb8_2f
NCOMCCS 40.1(NCOMGLB)
NCOMMB 65.2(HYCOMGLB)
NCOMMB 30.5(NCOMCCS)
![Page 4: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/4.jpg)
HYCOMGLB60.5
NCOMCCS 41.2(HYCOMGLB)
NCOMMB 66.0(HYCOMGLB)
EXPERIMENTSEXPERIMENTS
NCOMMB 65.3(NCOMCCS)
NCOMGLBglb8_2f
NCOMCCS 40.1(NCOMGLB)
NCOMMB 30.5(HYCOMGLB)
NCOMMB 65.2(NCOMCCS)
GLOBAL:
• HYCOM: Simulation restarts from climatological spin upNCOM: Simulation started from a previous experiment (10 years)
• 3-hourly 0.5-degree NOGAPS Forcing, Bulk HF Formulation
• HYCOM: NCODA AssimilationNCOM: MODAS (3D Temperature and Salinity relaxation)
![Page 5: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/5.jpg)
HYCOMGLB60.5
NCOMCCS 41.2(HYCOMGLB)
NCOMMB 66.0(HYCOMGLB)
EXPERIMENTSEXPERIMENTS
NCOMMB 65.3(NCOMCCS)
NCOMGLBglb8_2f
NCOMCCS 40.1(NCOMGLB)
NCOMMB 30.5(HYCOMGLB)
NCOMMB 65.2(NCOMCCS)
NCOMCCS:
• EXPT 41.2: 20040101-20061231 IC/BC from global HYCOM, daily OB update
• EXPT 40.1: 19981001-present, IC/BC from global NCOM, daily OB update
- 3-hourly 9-Km COAMPS Forcing, Net HF- MODAS 3D Temperature and Salinity relaxation (same as NCOMGLB)- Mellor-Yamada 2.5 (same as NCOMGLB)- Flather scheme, vertical distribution/radiative (1-point)- Coupled to COSIN Ecosystem Model (not shown)
![Page 6: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/6.jpg)
HYCOMGLB60.5
NCOMCCS 41.2(HYCOMGLB)
NCOMMB 65.0(HYCOMGLB)
EXPERIMENTSEXPERIMENTS
NCOMMB 65.3(NCOMCCS)
NCOMGLBglb8_2f
NCOMCCS 40.1(NCOMGLB)
NCOMMB 65.2(HYCOMGLB)
NCOMMB 30.5(NCOMCCS)
• 20060727-20060902 (Adaptive Sampling And Prediction)
• daily OB update from global models
• hourly OB update from regional models
![Page 7: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/7.jpg)
HYCOMGLB60.5
NCOMCCS 41.2(HYCOMGLB)
NCOMMB 65.0(HYCOMGLB)
EXPERIMENTSEXPERIMENTS
NCOMMB 65.3(NCOMCCS)
NCOMGLBglb8_2f
NCOMCCS 40.1(NCOMGLB)
NCOMMB 65.2(HYCOMGLB)
NCOMMB 30.5(NCOMCCS)
- Hourly 3-Km COAMPS Forcing, Net HF- No data assimilation (contribution of Remote vs. Local Forcing)- Tidal Forcing from OSU- Flather and Orlansky BC scheme, MY2.5 Mixing- Coupled to COSIN Ecosystem Model (not shown)
![Page 8: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/8.jpg)
Outer NestHYCOM ρ/σ/z
HYCOM TOOLS
Inner NestNCOM σ/z
NCOM TOOLS
• Generalized Methodology for mapping vertical/horizontal grids
• One Way Coupling* On the HYCOM (source grid) side:
• HYCOM tools
-layer to z
…to generate and intermediate Z grid.
( Suggested to match NCOM Z-structure)
*NCODA coupling on Z-Grid
On the NCOM (target grid) side:
• - to final σ or σ/z grid- horizontally (optional)
Intermediate Z Grid
NESTING IMPLEMENTATIONNESTING IMPLEMENTATION
![Page 9: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/9.jpg)
How does atmospheric forcing compare at mooring locations?
Consistent with the model response?
•M1 (-122.02, 36.74)
•M2 (-122.4, 36.67)
QUALITATIVE EVALUATIONSQUALITATIVE EVALUATIONS
![Page 10: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/10.jpg)
Winds and SST (observed vs. models)
Aircraft Winds and SST 10m winds at M1 and M2 moorings
Upwelling
Relaxation
Winds and SST (Observed)Winds and SST (Observed)
![Page 11: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/11.jpg)
Winds and SST (Coastal Winds and SST (Coastal Models)Models)
RELAXATION (August 14)
Aircraft GHYCOM->CCS GHYCOM GNCOM GNCOM->CCS
UPWELLING (August 10)
Aircraft GHYCOM->CCS GHYCOM GNCOM GNCOM->CCS
![Page 12: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/12.jpg)
Winds and SST (Coastal Winds and SST (Coastal Models)Models)
UPWELLING (August 10)
Pathfinder GHYCOM->CCS GHYCOM GNCOM GNCOM->CCS
SST Correlation .88 .85 .90 .76
![Page 13: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/13.jpg)
QUANTITATIVE EVALUATIONQUANTITATIVE EVALUATIONPhase Plots• SSH (qualitative)
• Capture barotropic information
• Trace signals propagating in time along the coast
• Measuring the response of the nest to the remote forcing
@ Monterey
Within all domainsInfluence of local forcing
@ San Diego
Global BoundaryGlobal->Regional assessment
![Page 14: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/14.jpg)
GLBNCOMGLBNCOM
![Page 15: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/15.jpg)
GLBNCOM->CCSNCOMGLBNCOM->CCSNCOMREGIONAL
GLOBAL
![Page 16: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/16.jpg)
GLBHYCOMGLBHYCOM
![Page 17: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/17.jpg)
GLBHYCOM->CCSNCOMGLBHYCOM->CCSNCOMREGIONAL
GLOBAL
![Page 18: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/18.jpg)
Tide gauges used to evaluate model response
•Monterey (-121.88, 36.60)
-local forcing, inner nest
•San Diego (-117.25, 32.68)
-remote forcing influence
TIDE GAUGE STATIONSTIDE GAUGE STATIONS
![Page 19: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/19.jpg)
GLBNCOM (top) | GLBHYCOM GLBNCOM (top) | GLBHYCOM (bot)(bot)
![Page 20: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/20.jpg)
GLBNCOM (top) | GLBHYCOM GLBNCOM (top) | GLBHYCOM (bot)(bot)
![Page 21: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/21.jpg)
NCOM BC (top) | HYCOM BC NCOM BC (top) | HYCOM BC (bot)(bot)
CCS with GLOBAL NCOM BC
CCS with GLOBAL HYCOM BC
![Page 22: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/22.jpg)
NCOM BC (top) | HYCOM BC NCOM BC (top) | HYCOM BC (bot)(bot)
CCS with GLOBAL HYCOM BC
CCS with GLOBAL NCOM BC
![Page 23: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/23.jpg)
NCOM IC/BC (top) | HYCOM NCOM IC/BC (top) | HYCOM IC/BC (bot)IC/BC (bot)
MBNCOM NEST?MBNCOM NEST?
CCS with GLOBAL HYCOM BC
CCS with GLOBAL NCOM BC
![Page 24: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/24.jpg)
NCOM MONTEREY BAY NESTNCOM MONTEREY BAY NEST
![Page 25: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/25.jpg)
Implementation of 1/25-degree grid (~3.5Km)
HYCOMCCS and NCOMCCS (same geometry)
• Extend to 52N (Juan de Fuca and Georgia Straits)
• Exciting results with 4Km NCOM Model
CURRENT WORKCURRENT WORK
![Page 26: Sergio deRada John Kindle (Ret) Igor Shulman Stephanie Anderson](https://reader035.vdocuments.pub/reader035/viewer/2022062803/568148a8550346895db5bb40/html5/thumbnails/26.jpg)
• HYCOM and NCOM viable as IC/BC providers
• Regional Model Nesting adds value to coastal model
• Warm bias in HYCOM has subsided
- DA, NOGAPS 0.5 Forcing
• Better than expected results seen with HYCOM OBC
- Possibly due to higher horizontal resolution
CONCLUSIONS / PLANSCONCLUSIONS / PLANS
• Global Model back to Jan 2003 (Currently Nov, 2003)
- AOSN 2003 and ASAP 2006 periods
• PAPER