university of oklahoma - school of civil engineering and environmental science adcirc workshop -...
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![Page 1: University of Oklahoma - School of Civil Engineering and Environmental Science ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 1 EC2012 Tidal Database Chris](https://reader031.vdocuments.us/reader031/viewer/2022020720/551c4dcf550346b1458b4ba6/html5/thumbnails/1.jpg)
University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 1
EC2012 Tidal Database
Chris Szpilka
Kendra Dresback, Randy Kolar and Sam Bush
ADCIRC Workshop 2013
Vicksburg, MSApril 29 - 30
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 2
Acknowledgements• Jesse Feyen, Ed Meyers, Jindong Wang (NOAA) – CO-OPS
data and VDatum grids• Kendra Dresback (OU) – code modifications, NC6B grid• Henry Neeman (OSCER) and Chris Massey (ERDC-CHL) –
computing resources• Hugh Roberts and Zach Cobell (ARCADIS) – for the CPRA
Louisiana 2012 Coastal Master Plan grid
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 3
Topics Covered• Grid improvements since ec2001
• Original ec2001 grid• Boundary for extended_ec2001• NOAA VDatum coverage• Updated bathymetry
• Tidal forcing• OTIS TPXO7.2• FES2004
• Very preliminary results with OTIS• ADCIRC modifications• 410-day simulation with harmonics for last 365 days
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 4
EC2001 Grid Coverage
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 5
Extended EC2001 Coverage
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 6
NOAA VDatum Grids• Total of 9 grids covering coast from Texas to Nova Scotia and
the region around Puerto Rico• Resolution varies from 14m to 58.3km
http://vdatum.noaa.gov/welcome.html
http://vdatum.noaa.gov/docs/publication.html
" VDatum Manual for Development and Support of NOAA's Vertical Datum Transformation Tool, VDatum." Version 1.01, June 2012.
Available at: http://vdatum.noaa.gov/docs/standardprocedures.html
• Additional features added to VDatum grids:• coastal features in Florida, Georgia and North Carolina to ensure
continuous ICW• upper reaches for Tar River in North Carolina
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 7
NOAA VDatum Grid Coverage
12
3
4
5
6
78
9
1) gulfofmaine2) gsb_v2_Cf2_Dch3_r33) delchesbays4) nc19d_final5) FL_SAB_016) g09b_finalMZ_0909057) neworleansarea8) TX_v5_MZ9) PuertoRico_vi
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 8
New EC2012 Coverage
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 9
EC2012 Global Bathy Sources• ETOPO1 (NOAA)
• 1-arc minute global relief model• Compilation of many sources• Atlantic and Gulf of MexicoAmante, C. and B. W. Eakins, ETOPO1 1 Arc-Minute Global Relief Model: Procedures, Data Sources and Analysis. NOAA
Technical Memorandum NESDIS NGDC-24, 19 pp, March 2009.
http://www.ngdc.noaa.gov/mgg/global/global.html
http://www.ngdc.noaa.gov/mgg/gdas/gd_designagrid.html
• SRTM30_PLUS V8.0 (Scripps Institution of Oceanography)• 30-arc second to 1-arc minute resolution• Compilation of many sources• CaribbeanBecker, J. J., D. T. Sandwell, W. H. F. Smith, J. Braud, B. Binder, J. Depner, D. Fabre, J. Factor, S. Ingalls, S-H. Kim, R.
Ladner, K. Marks, S. Nelson, A. Pharaoh, R. Trimmer, J. Von Rosenberg, G. Wallace, P. Weatherall., Global Bathymetry and Elevation Data at 30 Arc Seconds Resolution: SRTM30_PLUS, Marine Geodesy, 32:4, 355-371, 2009.
http://topex.ucsd.edu/WWW_html/srtm30_plus.html
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 10
EC2012 Regional Bathy Sources• NOAA: Office of Coast Survey (OCS)
• Raster navigational chartshttp://www.charts.noaa.gov/InteractiveCatalog/nrnc.shtml
ftp://ocsftp.ncd.noaa.gov/charts/geotiffs/
• NOAA: National Geophysical Data Center (NGDC)• National Ocean Service (NOS) Hydrographic Surveys
http://maps.ngdc.noaa.gov/viewers/bathymetry/
• North Carolina, Georgia, Florida• CPRA Louisiana 2012 Coastal Master Plan
• ocpr_full_v21a_chk.grd Wax Lake Pass in Louisianahttp://www.coastalmasterplan.louisiana.gov/
• Coastal Emergency Risks Assessment (CERA)
• nc6b_rivers.grd Tar Riverhttp://nc-cera.renci.org/cgi-cera-nc/cera-nc.cgi
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 11
EC2012 Bathymetry
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 12
EC2012 Resolution
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 13
Mesh Comparison
ec2001 ec2012
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 14
Mesh Comparison
Grid ec2001 extended_ec2001 ec2012# nodes 254565 257574 2062864# elements 492179 498406 3765052min size (m) 218 217 14max size (km) 33 48.5 48.5
wall clock for 410-day simulationdt (sec) 5 2 1Boomer (256) 6.5 hours 20 hours 185 hoursCopper (2048) NA NA 50 hours
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 15
Tidal Forcing• TPXO 7.2 OSU Tidal Inversion Software (OTIS)
• 13 constituents (M2, S2, N2, K2, K1, O1, P1, Q1, Mf, Mm, M4, MS4, MN4)
• 1/4˚ resolution http://volkov.oce.orst.edu/tides/global.html
• FES2004 Global Tidal Atlas• 14 constituents available but only using 10 (M2, S2, N2, K2, K1,
O1, P1, Q1, Mf, Mm)• 1/8˚ resolutionhttp://www.legos.obs-mip.fr/en/soa/ Sea Level Tide → FES global tidal model
• 20-day ramp, then extra 25 days before starting 365 days with harmonic analysis turned on, for 410 days total simulation
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 16
Preliminary Results• TPXO 7.2 OTIS
• Forced with 13 constituents (M2, S2, N2, K2, K1, O1, P1, Q1, Mf, Mm, M4, MS4, MN4)
• ADCIRC parameters• Version 51.06 (started with 50.60 and modified to write local
harmonic (fort.5*) and hotstart files• Δt=1.0 sec• NOLI terms = 1 2 0 0• tau0 = -1 (spatially varying but constant in time; it is calculated
according to depth as follows: If the depth is >=10 tau0 is set to 0.005, if the depth is < 10, tau0 is set to 0.020)
• ESL=5• NWP=0
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 17
Version 51.06 Modifications• Problem: Harmonic Global Output using Writer PE’s
• memory issue – only problem with large grids• too many constituents and stations – led to problems initializing
the arrays for the elevation and velocities• present on several computing architectures – TACC, OSCER,
ERDC
• Solution: • changed from global to local output – harmonics only• works with hotstart files• use –M option on the command line to write local files for
harmonics• adcpost required to develop the fort.5* files
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 18
NOAA CO-OPS Data Locations
AtlanticGulf of MexicoCaribbeanRemote
http://tidesandcurrents.noaa.gov/currently 404 stations
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 19
M2 Constituent
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 20
K1 Constituent
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 21
Compare to ec2001_NOS
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 22
Compare to ec2001_NOS
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 23
Ongoing Work• Further analysis of harmonic output• 410-day run with FES2004 forcing• Full incorporation of non-linear terms - NOLICA(T)
• advection_state type implementation• unstable when FF(k) FACE(k) are not 1.0 0.0
• Parameter sensitivity• spatially varying parameters using nodal attributes
• tau0• ESLM• bottom friction
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 24
Sample of Instability
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University of Oklahoma - School of Civil Engineering and Environmental Science
ADCIRC Workshop - Apr. 29 -30, 2013 - Slide 25
Discussion