The OH radical is a key part of our atmospheric inventory, with ignorance of amount creating wider error bars than necessary in various prognostications. Should be on our dashboard, quantified. Here's a start! (preprint)

'Technical Note: Constraining the hydroxyl (OH) radical in the tropics with satellite observations of its drivers: First steps toward assessing the feasibility of a global observation strategy'

https://acp.copernicus.org/preprints/acp-2022-763/

#AtmosphericChemistry
#AtmosphericInstrumentation