News & Events for 03/2021

The new NDACC Lidar Working Group (LWG) website features a review of the NDACC lidar stations and instruments, with new links and functionality to check data availability and access them. Fine-tuning of the website content will continue over the upcoming weeks.

Updates and corrections to the GMI chemical mechanism and its input files have been used to create a new Hindcast simulation with MERRA2 meteorology. The changes compared to the previous GMI simulation are generally small and you probably won’t see any large impacts on chemical constituents.

Nitrous oxide (N2O) is the third most important greenhouse gas (GHG) after carbon dioxide (CO2) and methane (CH4). Its global warming potential is about 300 times larger than CO2 for a 100 year timescale. Surface in-situ observations show that N2O is steadily rising since the 1970's.