O2.5.1: Run the global soil/canopy/snow model forced by ERA5 data for 10-20 years

[juliasloan25]

Purpose

O2.5.1: Run the global soil/canopy/snow model forced by ERA5 data for 10-20 years and demonstrate stability with a timestep of ~10 minutes and 12 SYPD

This works towards O2.5:

O2.5 Couple the land surface model with soil/canopy/snow to atmosphere model and update surface flux computations to enable fractional cover with land properties (e.g., snow and canopy). [Possibly move up if needed for good AMIP.]

Before we couple the "full" land model (soil+canopy+snow) with the atmosphere, we need to make sure that it can run on decadal timescales independently.

Cost/benefits/risks

• costs: developer time, HPC resources for long simulations
• benefits: longer simulations will allow more comparisons to other land models, and more scientific opportunities, in addition to preparing for coupling to atmos
• risks: need to access large quantities of ERA5 data for forcing from NCAR Derecho cluster; we have limited computing time on Derecho and want to use it for calibration, so we should be cautious of running frequent long runs on Derecho

Producers

@juliasloan25
@kmdeck

Components

• set up pipeline on Derecho
• access data, efficiently handle large quantities and long time series of data

Inputs

• existing 1-year ERA5-forced global runs
• data on NCAR Derecho cluster

Results and deliverables

• stable global full land model forced by ERA5 data for 10-20 years with timestep ~10 minutes and 12 SYPD

Reviewers

@juliasloan25 @kmdeck @Sbozzolo (PRs)
@tapios @braghiere (SDI)

Tasks

Beta Give feedback

1. Upload 40 years of ERA5 forcing data to sampo #902
   enhancement +1
   
2. Add longrun forced by ERA5 data running for 10-20 years #904
   enhancement +1
   
3. Include water flux energy term in jacobian approximation #953
   enhancement +1
   

[tapios]

Looks good. (As for the other SDI, we should update the time variables first, so that we can run for decades without running into float32 problems.)

[kmdeck]

This depends on these PRs:
#834 (adds snow to soil + canopy)
#856 (changes boundary condition and initial condition)

which hopefully will be merged in the next week :)