The NDACC Steering Committee held its annual meeting 4-6 November 2020. Originally scheduled to take place at the NOAA Center for Weather and Climate Prediction (NCWCP) in College Park, MD, the meeting was changed to a virtual format because of ongoing COVID-19 restrictions. The agenda was compressed into three short sessions, but attendees still were able to discuss a wide variety of topics, including station and data submission status, implementation of Digital Object Identifiers (DOIs), changes to the NDACC Data Protocol, the addition of Data Versioning options, new relationships with
NDACC News and Events - 2020
Total columns of the trace gases nitric acid (HNO3) and hydrogen chloride (HCl) are sensitive to variations in the lower stratospheric age of air (AoA), a quantity that describes transport timescales in the stratosphere. We analyzed HNO3 and HCl columns from 9 NDACC FTIR sites spanning 77oS to 79oN and detected changes in the extratropical stratospheric transport circulation from 1994 to 2018.
The Cooperating Network Agreement between NDACC and the Pandonia Global Network (PGN) was finalized on 24 June 2020.
As a result of this agreement, Barry Lefer (NASA Headquarters) and Angelika Dehn (also the ESA-ESRIN Representative) have been named PGN Co-Representatives to the NDACC Steering Committee.
There have been a number of changes to the NDACC Steering Committee, based on actions taken during the October 2019 NDACC Steering Committee meeting, as well as recent events. Those changes are detailed below. We welcome the newest members of the Steering Committee; we congratulate the recently re-elected members, and we thank the departing members for their years of service and contributions to NDACC!