MPIPOM-TC (Message Passing Interface Princeton Ocean Model for Tropical Cyclones)

MPIPOM-TC is based on the three-dimensional, primitive equation ocean model known as the Princeton Ocean Model. MPIPOM-TC is computationally efficient and scalable, with netCDF input and output.

Princeton Ocean Modelthree-dimensionalprimitive equation

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Contributor(s)

Initial contribute: 2019-12-28

Authorship

:  
Graduate School of Oceanography, University of Rhode Island, USA
:  
rmyablon@mail.uri.edu
:  
Graduate School of Oceanography, University of Rhode Island, USA
:  
bijuthomas@mail.uri.edu
:  
Graduate School of Oceanography, University of Rhode Island, USA
:  
iginis@mail.uri.edu
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Classification(s)

Application-focused categoriesNatural-perspectiveOcean regions

Detailed Description

English {{currentDetailLanguage}} English

Quoted from: Yablonsky, Richard M., Isaac Ginis, and Biju Thomas. "Ocean modeling with flexible initialization for improved coupled tropical cyclone-ocean model prediction." Environmental Modelling & Software 67 (2015): 26-30. https://doi.org/10.1016/j.envsoft.2015.01.003

MPIPOM-TC is an end-to-end ocean modeling system, with both research and operational applications, that includes generation of an initial ocean condition, a procedure for prescribed hurricane wind forcing, and/or two-way coupling between the ocean and a prognostic hurricane model (e.g. GFDL or HWRF). The MPIPOM-TC code is built on the parallelized sbPOM framework (Jordi and Wang, 2012), including the main driver (pom.f), problem setup (initialize.f), code advancement in time (advance.f), boundary conditions and forcing (bounds_forcing.f), basic dynamics (solver.f), parallel tasks for communications between processors (parallel_mpi.f), parallel I/O (io_pnetcdf.F), model domain size and decomposition (pom.h), and name list (pom.nml). Key differences from sbPOM, many of which are derived from POM-TC, are summarized in Table 1 and commented in the code with the authors' initials.

Table 1. Key differences between the sbPOM code and the MPIPOM-TC code.

File name Changes from sbPOM to MPIPOM-TC
pom.f Only used if uncoupled from hurricane model; if coupled, drive_ocean.f used.
initialize.f Options added for f-plane, spatial smoothing and desmoothing (Bender et al., 1993), 1-D (vertical only) dynamics on an A-grid (vs. 3-D C-grid), wave-dependent turbulence, and non-zero initial currents (geostrophic or prescribed) and/or sea surface height; alternative values for input constants.
advance.f Prescribed surface forcing only applied when uncoupled from the hurricane model; added missing MPI exchanges; omitted lateral viscosity, mode interaction, external mode, vertical velocity, horizontal advection, and horizontal diffusion for 1-D only dynamics; smoothing and desmoothing of temperature, salinity, and currents optionally applied; temperature growth eliminated; model fails if SST is unreasonably high.
bounds_forcing.f Maximum depth and the number of vertical sigma levels are not specified here; new boundary conditions added for 1-D only dynamics on an A-grid.
solver.f Missing MPI exchanges added; A-grid used for 1-D only dynamics; wave breaking energy disabled; wave-dependent turbulence optionally applied.
parallel_mpi.f None, except for two minor changes when coupled to the hurricane model.
io_pnetcdf.F I/O parameters added; print times and output directory changed; syntax fixed.
pom.h Many new parameters added (see comments in code for details).
pom.nml Ten name list parameters added to control new and enhanced capabilities.

Beyond the changes summarized in Table 1, MPIPOM-TC includes separate files to provide specific capabilities during hurricane-model-coupled and/or uncoupled simulations, including prescribed hurricane wind forcing (hurricane_wind.f) using NOAA's Tropical Cyclone Vitals Database (Trahan and Sparling, 2012) or the International Best Track Archive for Climate Stewardship (Knapp et al., 2010), spatial smoothing and desmoothing (smoothing.f), wave-dependent turbulence (calcpwave.f), and initially geostrophic currents (geovel.f). For coupled simulations only, eight additional files are required: atm_ocm.f, cmp.comm.f, make_om_grid.f, make_om_msk.f, mp_arr_pros_om.f, mpi_more.f, ocm_atm.f, and pom.comm.f. Like sbPOM, MPIPOM-TC is scalable with a wide variety of domain decompositions (Jordi and Wang, 2012).

模型元数据

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Richard Yablonsky, Biju Thomas, Isaac Ginis (2019). MPIPOM-TC (Message Passing Interface Princeton Ocean Model for Tropical Cyclones), Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/3e54b743-f45a-449e-a94f-7ea392e9c4c2
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History

Last modifier
zhangshuo
Last modify time
2021-01-11
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Contributor(s)

Initial contribute : 2019-12-28

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Authorship

:  
Graduate School of Oceanography, University of Rhode Island, USA
:  
rmyablon@mail.uri.edu
:  
Graduate School of Oceanography, University of Rhode Island, USA
:  
bijuthomas@mail.uri.edu
:  
Graduate School of Oceanography, University of Rhode Island, USA
:  
iginis@mail.uri.edu
Is authorship not correct? Feed back

History

Last modifier
zhangshuo
Last modify time
2021-01-11
Modify times

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