Ammonia and Urea-derived-N Oxidation Rates 
   from the San Pedro Time-series (SPOT) station 
  PI: Alyson Santoro (UCSB) 
  Co-PI: Douglas G. Capone (USC) 
  Version history: 
   v2 - 20 August 2020 (current) - revised data 
   v1 - 06 August 2019 - original