Data from: Tracer Exchange Across the Stratified Inner-shelf Driven by Transient Rip-Currents and Diurnal Surface Heat Fluxes
Null (o) or Control Run
Raw Output
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Technical Details | Unprocessed ROMS model output in netcdf4 file format |
TRC Run
Raw Output
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Technical Details | Unprocessed ROMS model output in netcdf4 file format |
SHF1 Run
Raw Output
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Date Collected |
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Technical Details | Unprocessed ROMS model output in netcdf4 file format |
SHF2 Run
Raw Output
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Date Collected |
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Technical Details | Unprocessed ROMS model output in netcdf4 file format |
SHF3 Run
Raw Output
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Date Collected |
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Technical Details | Unprocessed ROMS model output in netcdf4 file format |
SHF4 Run
Raw Output
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Date Collected |
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Technical Details | Unprocessed ROMS model output in netcdf4 file format |
SHF1+TRC Run
Raw Output
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Date Collected |
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Technical Details | Unprocessed ROMS model output in netcdf4 file format |
SHF2+TRC Run
Raw Output
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Date Collected |
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Technical Details | Unprocessed ROMS model output in netcdf4 file format |
SHF3+TRC Run
Raw Output
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Date Collected |
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Technical Details | Unprocessed ROMS model output in netcdf4 file format |
SHF4+TRC Run
Raw Output
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Date Collected |
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Technical Details | Unprocessed ROMS model output in netcdf4 file format |
Published Results Data
Analysis 1
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Description | Wave height (Hs), depth (h), and net surface heat flux cycle (Qnet) |
Technical Details | Matlab version 9.4.0.813654 (R2018a) |
Analysis 2
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Description | Temperature (T), and tracer dilution (D) at midday and midnight |
Technical Details | Matlab version 9.4.0.813654 (R2018a) |
Analysis 3
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Description | Avg. vertical eddy diffusivity (Kv), temperature (T), overturning streamfunction (Psi), and 24 h elapsed time tracer dilution (D) |
Technical Details | Matlab version 9.4.0.813654 (R2018a) |
Analysis 4
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Description | Integraded nearshore tracer mass (M) with contours bounding 90% (x90) & 50% (x50) of the total tracer mass |
Technical Details | Matlab version 9.4.0.813654 (R2018a) |
Analysis 5
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Description | Cross-shore exchange velocity estimates from 3 definitions |
Technical Details | Matlab version 9.4.0.813654 (R2018a) |
- Collection
- Cite This Work
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Grimes, Derek J.; Feddersen, Falk; Kumar, Nirnimesh (2020). Data from: Tracer Exchange Across the Stratified Inner-shelf Driven by Transient Rip-Currents and Diurnal Surface Heat Fluxes. In Transient Rip-Currents on the Stratified Inner-shelf. UC San Diego Library Digital Collections. https://doi.org/10.6075/J0WM1BSJ
- Description
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The exchange of tracers across the stratified inner-shelf is fundamental to coastal oceanography. In many locals, cross-shore exchange has been linked to baroclinic cross-shore temperature gradient set up through a depth dependent response to surface heat fluxes (e.g., Monismith et al., 2006). The diurnal surface heat-flux cycle induces diurnal thermally driven exchange (Monismith et al., 1990; Molina et al., 2014) and diurnally modulates inner-shelf stratification. Regions conducive for diurnal thermally driven exchange are also subjected to waves and surf-zone processes. Transient Rip-currents (TRCs) are ubiquitous in natural surf-zones and are the dominant mechanism for exchanging tracers between the surf-zone and inner-shelf (e.g., Hally-Rosendahl et al., 2014, 2015). Recently, Kumar & Feddersen (JPO I-II & GRL, 2017) found that strong vertical mixing induced by TRCs on a stratified inner-shelf generated a baroclinic cross-shore exchange flow that significantly enhanced tracer exchange across the inner-shelf (out to approx. 800 m), relative to unstratified conditions and/or without TRCs. As the TRC exchange mechanism depended critically on stratification, it is unknown whether it persists with the addition of SHF driven stratification changes or whether the subsequent SHF driven exchange dominates. This archive consists of ROMS circulation model output from a series of simulations designed to examine the exchange induced by combined SHF+TRC forcing. A series of idealized surf-zone tracer release simulations was performed to evaluate the relative importance of SHF and TRC forcing to inner-shelf cross-shore exchange. Simulations are conducted for SHF and TRC forcing both separately and combined with different model initialization times relative to the surface heat flux cycle and different tracer release times relative to model initialization, allowing for an ensemble averaging analysis approach.
- Scope And Content
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Idealized surf-zone tracer release simulations used to evaluate relative importance of SHF and TRC forcing to inner-shelf cross-shore exchange. Includes raw model output (ROMS netcdf) and processed output (Matlab binary) analyzed by Grimes et al. (2020).
- Creation Date
- 2019 to 2020
- Date Issued
- 2020
- Principal Investigator
- Co Principal Investigator
- Researcher
- Funding
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Funded under the CSIDE grant by the National Science Foundation (NSF OCE-1459389), with student funding provided through the NSF-GRFP.
This work used the Extreme Science and Engineering Discovery Environment (XSEDE) Comet at SDSC through allocation TG-OCE180014, which is supported by NSF ACI-1548562. - Topics
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- Coastal physical oceanography
- Coupled-Ocean-Atmosphere-Wave-Sediment Transport (COAWST) Modeling System
- Cross-shore tracer exchange
- Diurnal thermally driven exchange
- FunwaveC model
- Inner-shelf circulation
- Modeling
- Nearshore
- Regional Ocean Modeling System (ROMS)
- Simulating WAves in the Nearshore (SWAN)
- Surf-zone processes
Formats
View formats within this collection
- Language
- English
- Identifier
- Related Resources
- Grimes, D. J., Feddersen, F., & Kumar, N. (2020). Tracer exchange across the stratified inner‐shelf driven by transient rip‐currents and diurnal surface heat fluxes. Geophysical Research Letters, 47, e2019GL086501. https://doi.org/10.1029/2019GL086501
- Grimes et al., 2020 publication data: https://sandbox.zenodo.org/record/507447
Primary associated publication
Other resource
- License
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Creative Commons Attribution 4.0 International Public License
- Rights Holder
- UC Regents
- Copyright
-
Under copyright (US)
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- Digital Object Made Available By
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Research Data Curation Program, UC San Diego, La Jolla, 92093-0175 (https://lib.ucsd.edu/rdcp)
- Last Modified
2023-06-06