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J. Mar. Sci. Eng. 2018, 6(4), 131; https://doi.org/10.3390/jmse6040131

Improvements for the Eastern North Pacific ADCIRC Tidal Database (ENPAC15)

1
School of Civil Engineering and Environmental Science, University of Oklahoma, 202 W. Boyd Room 334, Norman, OK 73019, USA
2
US Army Corps of Engineers, Eng. Research & Development Center, Coastal & Hydraulics Lab, 3909 Halls Ferry Road, Vicksburg, MS 39180, USA
*
Author to whom correspondence should be addressed.
Received: 3 October 2018 / Revised: 30 October 2018 / Accepted: 2 November 2018 / Published: 7 November 2018
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Abstract

This research details the development and validation of the updated Eastern North Pacific (ENPAC) constituent tidal database, referred to as ENPAC15. The database was last updated in 2003 and was developed using the two-dimensional, depth integrated form of the ADvanced CIRCulation coastal hydrodynamic model, ADCIRC. Regional databases, such as ENPAC15, are capable of providing higher resolution near the coast, allowing users to more accurately define tidal forcing for smaller sub-regions. This study follows the same methodology as the EC2015 updates for the eastern coast of the United States and six main areas of improvement in the modeling configurations are examined: (1) placement of the open ocean boundary; (2) higher coastal resolution; (3) updated global bathymetry; (4) updated boundary forcing using two global tidal databases; (5) updated bottom friction formulations; and (6) improved model physics by incorporating the advective terms in ADCIRC. The skill of the improved database is compared to that of its predecessor and is calculated using harmonic data from three sources. Overall, the ENPAC15 database significantly (52% globally) reduces errors in the ENPAC03 database and improves the quality of tidal constituents available for sub-regional models in the ENPAC region. View Full-Text
Keywords: tidal constituent database; ADvanced CIRCulation model (ADCIRC); Eastern North Pacific Ocean (ENPAC); coastal ocean modeling tidal constituent database; ADvanced CIRCulation model (ADCIRC); Eastern North Pacific Ocean (ENPAC); coastal ocean modeling
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Szpilka, C.; Dresback, K.; Kolar, R.; Massey, T.C. Improvements for the Eastern North Pacific ADCIRC Tidal Database (ENPAC15). J. Mar. Sci. Eng. 2018, 6, 131.

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