How should I go about adding additional ProdLoss terms to the Carbon Gases Simulation?

[JFBrewer]

Your name

Jared Brewer

Your affiliation

University of Minnesota

I've added an ethane tracer to the carbon gases simulation (see Issue #2497) and I'm now trying to unravel the differences between the ethane oxidation terms in the carbon gases simulation and the fullchem simulation. I want to trace ethane loss in a given grid cell in each mode.

To do this, I'd like to add additional loss terms to the Carbon collection of history diagnostics. Those diagnostics are currently fairly limited (I see OHconcAfterChem, ProdCOfromCH4, ProdCOfromNMVOC, and ProdCO2fromCO). I have added an LC2H6 family in carbon.kpp and I'd like to add that as a collection entitled LossC2H6allsources or something similar, but I'm not at all sure how to do this. Looking in carbon_gases_mod.F, I'm having trouble figuring out how those KPP families might be referenced.

Is this easy to do? Is there an example snippet of code in either carbon_gases_mod.F90 or elsewhere that I could use as a template to set up my own version of this diagnostic?

Thanks,
Jared

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