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Community Terrestrial Systems Model (includes the Community Land Model of CESM)
http://www.cesm.ucar.edu/models/cesm2.0/land/
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Land use time series for extensions to 2300 #944

Closed wwieder closed 4 years ago

wwieder commented 4 years ago

It looks like we're going to be able to run SSP5-3.4 overshoot and SSP5-8.5 extensions out to 2300 with CESM2. To do this we'll need

@lawrencepj1 how did you do this for the CESM1 RCP8.5 extension? How do we handle wood harvest and LULCC out to 2300? Let's discuss at the TSS meeting tomorrow.

lawrencepj1 commented 4 years ago

Hi Will

Yes that sounds good. There are LUH2 LULCC extensions 2100 - 2300 for SSP1-26, SSP5-34 and SSP5-85. It is just a matter of downloading them and then generating the CLM data. This should be pretty easy to do.

talk tomorrow Peter -- Dr Peter Lawrence Terrestrial Science Section National Center for Atmospheric Research 1850 Table Mesa Drive Boulder Colorado 80305

Work: 1-303-497-1727 Cell: 1-303-956-6932

On Wed, Mar 18, 2020 at 10:38 AM will wieder notifications@github.com wrote:

It looks like we're going to be able to run SSP5-3.4 overshoot and SSP5-8.5 extensions out to 2300 with CESM2. To do this we'll need

-

Land use time series for each scenario that will go into a

Compset for each scenario (Jim Edwards may be creating this)

@lawrencepj1 https://github.com/lawrencepj1 how did you do this for the CESM1 RCP8.5 extension? How do we handle wood harvest and LULCC out to 2300? Let's discuss at the TSS meeting tomorrow.

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wwieder commented 4 years ago

Great, Peter. Can we go ahead a start moving on generating the land use time series for SSP5-34 and SSP5-85? It seems like we'd like to get these simulations running pretty soon.

lawrencepj1 commented 4 years ago

Hi Will

Yes absolutely. Will start doing this today.

Peter -- Dr Peter Lawrence Terrestrial Science Section National Center for Atmospheric Research 1850 Table Mesa Drive Boulder Colorado 80305

Work: 1-303-497-1727 Cell: 1-303-956-6932

On Thu, Mar 19, 2020 at 10:44 AM will wieder notifications@github.com wrote:

Great, Peter. Can we go ahead a start moving on generating the land use time series for SSP5-34 and SSP5-85? It seems like we'd like to get these simulations running pretty soon.

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ekluzek commented 4 years ago

This will go on the release-clm5.0 branch and into the next CESM2.1 release. We'll need to have a compset and test in CTSM for this. And CESM will also need a compset for each.

lawrencepj1 commented 4 years ago

Thanks Erik

Yes this needs to be the same release code as the CMIP6 simulations as they will be an extension of those runs. I will produce raw files for both that version of the model and the Trendy2019 version of the model with the crop, shifting cultivation and other updates. I will let you know when they are available.

best Peter -- Dr Peter Lawrence Terrestrial Science Section National Center for Atmospheric Research 1850 Table Mesa Drive Boulder Colorado 80305

Work: 1-303-497-1727 Cell: 1-303-956-6932

On Fri, Mar 20, 2020 at 9:52 AM Erik Kluzek notifications@github.com wrote:

This will go on the release-clm5.0 branch and into the next CESM2.1 release. We'll need to have a compset and test in CTSM for this. And CESM will also need a compset for each.

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ekluzek commented 4 years ago

taxmode in both pop-dens and urbantv are setup to "extend". So we'll run over 2100 for popdens and 2100-2106 for urbantv and they'll both use the last value in the file after they get to the end of the data. ndep is monthly and set to cycle (so for I cases it will loop over the last year of data since it has a seasonal cycle). For cases with WACCM, ndep comes from CAM so it doesn't matter what ndep file is being used.

wwieder commented 4 years ago

@ekluzek is this close to being ready? It looks the the CAM tag is ready to go, so once the land is done @jedwards4b can make the final CESM tag.

ekluzek commented 4 years ago

This is on the release branch (release-clm5.0.32). We do NOT plan to bring it to master at least for now.

lawrencepj1 commented 4 years ago

Thanks Erik

Just wanted to remind you it has to be consistent with the CMIP6 CESM release tag which it will continue on from in the extension simulations. This might be obvious but it is easier to mention than to assume.

see you Peter -- Dr Peter Lawrence Terrestrial Science Section National Center for Atmospheric Research 1850 Table Mesa Drive Boulder Colorado 80305

Work: 1-303-497-1727 Cell: 1-303-956-6932

On Thu, Apr 2, 2020 at 10:36 AM Erik Kluzek notifications@github.com wrote:

This is on the release branch (release-clm5.0.32). We do NOT plan to bring it to master at least for now.

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