Difference between revisions of "Frequently asked questions about GEOS-Chem"

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=== For new users ===
 
=== For new users ===
  
* [https://geos-chem.seas.harvard.edu/geos-welcome I am a GEOS-Chem new user.  What is expected of me?]
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* [https://geos-chem.seas.harvard.edu/welcome.html I am a GEOS-Chem new user.  What is expected of me?]
 
* [https://geos-chem.readthedocs.io/en/latest/geos-chem-shared-docs/supplemental-guides/related-docs.html Where can I find user manuals for GEOS-Chem and related software?]
 
* [https://geos-chem.readthedocs.io/en/latest/geos-chem-shared-docs/supplemental-guides/related-docs.html Where can I find user manuals for GEOS-Chem and related software?]
 
* [http://cloud.geos-chem.org Can I use GEOS-Chem on cloud-computing platforms?]
 
* [http://cloud.geos-chem.org Can I use GEOS-Chem on cloud-computing platforms?]
* [[Species in GEOS-Chem|What types of simulations can I run with GEOS-Chem?]]
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* [[Guide to GEOS-Chem simulations|What types of simulations can I run with GEOS-Chem?]]
 
* What is the [[GEOS-Chem horizontal grids|horizontal resolution]] and [[GEOS-Chem vertical grids|vertical resolution]] of GEOS-Chem?
 
* What is the [[GEOS-Chem horizontal grids|horizontal resolution]] and [[GEOS-Chem vertical grids|vertical resolution]] of GEOS-Chem?
 
* [[Overview of GMAO met data products|Which meteorological data fields can be used by GEOS-Chem?]]
 
* [[Overview of GMAO met data products|Which meteorological data fields can be used by GEOS-Chem?]]
* [[Submitting GEOS-Chem support requests|To whom can I direct GEOS-Chem-related questions?]]
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* [https://geos-chem.readthedocs.io/en/latest/help-and-reference/SUPPORT.html To whom may I direct GEOS-Chem-related questions?]
* [https://geos-chem.seas.harvard.edu/geos-steering-cmte What does the GEOS-Chem Steering Committee do?]
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* [https://geoschem.github.io/steering-cmte.html What does the GEOS-Chem Steering Committee do?]
* [https://geos-chem.seas.harvard.edu/geos-working-groups What do the GEOS-Chem Working Groups do?]
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* [https://geoschem.github.io/working-groups.html What do the GEOS-Chem Working Groups do?]
* [[GEOS-Chem Support Team|What does the GEOS-Chem Support Team do?]]
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* [https://geoschem.github.io/support-team What does the GEOS-Chem Support Team do?]
* [[Subscribing_to_the_GEOS-Chem_email_lists|I see that there are several GEOS-Chem email lists.  How can I subscribe?]]
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* [https://geoschem.github.io/email-lists I see that there are several GEOS-Chem email lists.  How can I subscribe?]
  
 
=== Science questions ===
 
=== Science questions ===

Revision as of 16:51, 23 May 2024

On this page we shall answer some commonly asked questions about GEOS-Chem.

Basic information about GEOS-Chem

For new users

Science questions

Where can I find information about ...

--Bob Yantosca (talk) 18:06, 20 September 2022 (UTC)

Technical issues

Parallelization issues

High-Performance GEOS-Chem (GCHP)

Please see the GCHP user manual at gchp.readthedocs.iofor more information.

Where can I get restart files for GEOS-Chem?

For instructions on how to obtain a set of sample restart files that you can use to spin up your own simulations, please visit this link.

Running GEOS-Chem

Please see our Running GEOS-Chem wiki page.

How long does GEOS-Chem take to run?

It depends on your particular computing environment. We have posted several timing results from GEOS-Chem 7-day time test simulations.

GEOS-Chem seems to be running too slowly. What can I do?

There are several ways to speed up a slow GEOS-Chem simulation.

If you are archiving many diagnostic quantities are a high temporal resolution (e.g. every hour), then this will increase the run time of your simulation. You can try saving out less diagnostic quantities, or archiving at a lower temporal resolution (e.g. every day).

GEOS-Chem errors

Please also see our Guide to GEOS-Chem error messages and Debug GEOS-Chem and HEMCO errors pages.

GEOS-Chem died with an error. What can I do?

Please see Understanding the different categories of errors section of our Guide to GEOS-Chem error messages.