Trace Gas

Summarized by Plex Health
Last Updated: 07 May 2022

Overall column ozone data were acquired from the NASA Nimbus-7 SBUV instrument from 1979 via 1988, from the NOAA-11 SBUV/2 instrument from January 1989 via August 1994, and from the NOAA-9 SBUV/2 instrument beginning in September 1994. In the Arctic, overall ozone values throughout DJFM 1995/96 were greater than 12% below the 1979-96 base period indicates, and greater than 24% below worths observed in the early 1980s. Temperatures in the lower stratosphere are closely combined to ozone via dynamics and photochemistry, with very low temperature levels believed to lead to ozone exhaustion. During DJFM 1995/96 day-to-day minimum temperature levels at 50 hPa over the Northern Hemisphere polar region were below the long-lasting mean for the entire period, with record low temperature levels observed in February and March. In truth, these daily minimum temperature levels in the lower air balanced less than ordinary throughout the polar region during the majority of September-November 1996 and usually came close to record low values. Mauna Loa Observatory, located at an elevation of 3350 m on the flank of Mauna Loa volcano, is an optimal website for carbon dioxide dimensions. The typical CO2 focus increase at Mauna Loa during the 1980s and 1990s has been about 1. 4 ppm yr-1 however with substantial year-to-year irregularity in this development rate. Air tasting sites are dispersed in between 90 S and 82 N and provide air examples rep of the well-mixed boundary layer. The SO2 emitted into the air throughout the eruption led to a decrease in the UV flux in the wavelength area 290-330 nm. While the major resources of methane have been identified, their outright contributions to the global methane budget plan stay badly quantified.

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