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Operational Forecast Systems (OFS) and ADCIRC Tide Modeling Applications in support of NOAA’s VDatum. Frank Aikman III Chief, Marine Modeling & Analysis Programs Coast Survey Development Laboratory NOAA’S National Ocean Service May 5, 2011.
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Frank Aikman III
Chief, Marine Modeling & Analysis Programs
Coast Survey Development Laboratory
NOAA’S National Ocean Service
May 5, 2011
Acknowledgements to: Degui Cao, Changsheng Chen, Yi Chen, Emily Dhingra, Mary Erickson, Jesse Feyen, Yuji Funakoshi, Tom Gross, Kurt Hess, John Kelley, Maureen Kenny, Hong Lin, Lyon Lanerolle, Greg Mott, Ed Myers, Rich Patchen, Manchuan Peng, Dick Schmalz, Peter Stone, Cristina Urizar, Mark Vincent, Jindong Wang, Eugene Wei, John Wilkin, Jiangtao Xu, Zizang Yang and Aijun Zhang
SalinityNOS Marine Modeling Requirements
CBOFS (3-D) Operational 04/11
Weather Forecast Models
USGS Gages/NWS RFC’s
Basin or global ocean models
transition to a regional modeling approach.
Nested versions of the FVCOM model will be applied to cover six PORTS with a single OFS.
Graphics on CO-OPS Web Site
Model data sets on NOAA’s WOC and CO-OPS THREDDS
Model visualization via nowCOAST GIS-Based Web Mapping Portal (WMS)
Users value usefulness, accessibility, reliability
NOS Coastal Ocean Modeling Framework (COMF)
Products and archives
FORECAST MODEL GUIDANCE
(water level, water temp, currents, & salinity)
(web pages and digital pt. & gridded data)
(CORMS) 24 x 7
*Consistent with IOOS (DMAC); the Earth System Modeling Framework (ESMF); and COARDS/CF Conventions
OBJECTIVE:More efficient R&D, O&M
Consistent with IOOS (DMAC); the Earth System Modeling Framework (ESMF); and COARDS/CF Conventions
Prototype Test Bed: The Delaware Bay Model Evaluation Environment (DBMEE)
ROMS, POM, ADCIRC, FVCOM, ELCIRC, SELFE, ....
Grids, Bathymetry, Environmental conditions
SalinityNOAA/NOS Coastal Modeling Challenges
To Be Completed
July 1, 2011
Calibrated Helmert Transformations
WGS 84 (G1150)
WGS 84 (G873)
WGS 84 (G730)
WGS 84 (orig.)
(Topography of the Sea Surface)
Lower Low Water
Generation of Tidal Datum Fields
ADCIRC model is used to generate time series of the tides at each grid point.
Tidal datums are computed from the time series at each grid point.
Subject to boundary conditions: f(xi, yi) = fiobs
f = datum, amp, cos(phase) ∂f/∂n = a∂f/∂n
Tidal Constituent And Residual InterpolationTCARI-Corrected Datum Fields
TCARI Interpolation Corrected TCARI
of Datum Tide Model Interpolation of Error
San Francisco Bay
Gulf of Maine
New York/LI Sound
Florida, Southeast US
Texas, Western Louisiana