[MITgcm-support] using MITgcm to simulate hydrothermal venting

[Ryan Abernathey]

Guangyu,

Yes, MITgcm is definitely appropriate for what you want to do, for all the
reasons you give (flexible configurations, non-hydrostatic capability). The
configuration you described will be computationally expensive but do-able.
The deep convection tutorial would probably be a good place to start:
http://mitgcm.org/public/r2_manual/latest/online_documents/node142.html

I don't know about nesting. One-way nesting is possible using the open
boundary package (OBCS). I don't know the status of two-way nesting. I
think people are working on it, but there is no example in the verification
experiments.

Good luck. Sounds like a cool project.

-Ryan





On Thu, Jul 23, 2015 at 12:22 PM, xuguangyu <xupeng_66 at hotmail.com> wrote:

> Dear Sir/Madam,
>
> My name is Guangu Xu, a Ph.D. student in the department of marine and
> coastal sciences at Rutgers University. I am currently preparing a proposal
> on a numerical study of the near-ridge dispersal of hydrothermal plumes at
> the Endeavour Segment on the Juan de Fuca Ridge. I am fairly new to ocean
> modeling and am writing to ask if MITgcm is the appropriate model for me to
> use. So here is a little bit more details of my proposed study.
>
> The main goal of my study is to investigate the near-ridge (up to 20 km
> off axis) dispersal of the neutrally buoyant hydrothermal plume. What
> MITgcm appeals to me is the non-hydrostatic capability that is needed to
> simulate the vertical convection caused by hydrothermal venting. Right now
> the model domain I am trying to use is a 10 by 10 km square with 50 m
> horizontal resolution. I am planning to add seafloor buoyancy sources in
> the model to mimic the venting from known hydrothermal vents. I am also
> curious to know if I can use non-hydrostatic modeling in a smaller grid
> near the vent sources with higher resolution, which is nested in a larger
> grid over which hydrostatic modeling is performed. I am thinking this
> measure, if possible, can potentially save a lot of computational time.
>
> I am interested to know if MITgcm is the appropriate model to use for my
> research purpose.
>
> I will be very grateful for your help.
>
> Best,
>
> Guangyu
>
>
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