Snow temperature key in cyclic vs transient canopy-radiation_balance

[Sundar Niroula]

Hi all,

I noticed a likely inconsistency between the ATS 1.6 cyclic and transient templates in the canopy-radiation_balance block. In the cyclic template, snow temperature key is set to snow-temperature, while in the transient template it is set to surface-temperature. It looks like snow-temperature is likely the correct choice for both. I may be missing some intended reason for the transient template using surface-temperature, so I wanted to check with you. 

Here are the links for reference: 
https://github.com/environmental-modeling-workflows/watershed-workflow/blob/dcdf66508cbb4342e8df1394bdc057460c08d33c/examples/Coweeta/input_data/cyclic_steadystate-template.xml#L389

https://github.com/environmental-modeling-workflows/watershed-workflow/blob/dcdf66508cbb4342e8df1394bdc057460c08d33c/examples/Coweeta/input_data/transient-template.xml#L396

Thank you,
Sundar 

[Coon, Ethan]

Thanks for pointing this out — I believe it is fixed in version 2.0 and master, but I will confirm.

The correct entry is surface-temperature, not snow temperature.

I wrote a long email about this on the mailing list a while ago:

https://groups.google.com/g/ats-users/c/21LVEagtEYM/m/KTy8t2U9CwAJ

Please read this for the context of why surface is correct!

Ethan

Sent from Ethan Coon’s phone.

---

From: ats-...@googlegroups.com <ats-...@googlegroups.com> on behalf of Sundar Niroula <nirs...@gmail.com>
Sent: Thursday, April 9, 2026 1:09:11 PM
To: Amanzi-ATS Users <ats-...@googlegroups.com>
Subject: [EXTERNAL] Snow temperature key in cyclic vs transient canopy-radiation_balance

 

Hi all, I noticed a likely inconsistency between the ATS 1. 6 cyclic and transient templates in the canopy-radiation_balance block. In the cyclic template, snow temperature key is set to snow-temperature, while in the transient template it is

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[Sundar Niroula]

Thanks, Ethan. 

Sundar