A21C-0148
Extending the long-term EOS record of NO2 and SO2 with SNPP OMPS Nadir Mapper

Tuesday, 15 December 2015
Poster Hall (Moscone South)
Kai Yang, University of Maryland College Park, College Park, MD, United States
Abstract:
SNPP/OMPS-NM has been the only operational UV satellite instrument providing contiguous daily global coverage at low- to mid-latitudes since early 2012. While it is designed primarily for monitoring total ozone, SNPP/OMPS-NM also provides high-quality measurements of additional trace gases, such as NO2 and SO2 in the troposphere. In this presentation, we describe the standard trace-gas products that are being produced from SNPP/OMPS at NASA Ozone SIPS, and the algorithms and techniques that we have developed to achieve and ensure high product quality. We show results to demonstrate that OMPS-NM is providing sensitive measurements of air pollutants over the globe, with sensitivities similar to those achieved with Aura/OMI. The NO2 and SO2 data from SNPP/OMPS have sufficient quality to continue and extend NASA’s long-term EOS NO2 and SO2 data records, and can be used to monitor daily air pollution and identify anthropogenic sources of NO2 and SO2.