Sentences with phrase «measuring ozone concentration»
The device would have measured ozone concentration, gases involved in ozone depletion, and aerosols such as those from the eruption of Mount Pinatubo in the Philippines.
https://www.newscientist.com/ Not exact matches
Simulations that don't include the effect of CH2Cl2 suggest that high - altitude ozone in the Antarctic will return to pre-1980 levels, the concentration measured before CFCs and other ozone - destroying chemicals were recognized as a problem, in 2065.
Earth System Threshold Measure Boundary Current Level Preindustrial Climate Change CO2 Concentration 350 ppm 387 ppm 280 ppm Biodiversity Loss Extinction Rate 10 pm > 100 pm * 0.1 - one pm Nitrogen Cycle N2 Tonnage 35 mmt ** 121 mmt 0 Phosphorous Cycle Level in Ocean 11 mmt 8.5 - 9.5 mmt — 1 mmt Ozone Layer O3 Concentration 276 DU # 283 DU 290 DU Ocean Acidification Aragonite ^ ^ Levels 2.75 2.90 3.44 Freshwater Usage Consumption 4,000 km3 ^ 2,600 km3 415 km3 Land Use Change Cropland Conversion 15 km3 11.7 km3 Low Aerosols Soot Concentration TBD TBD TBD Chemical Pollution TBD TBD TBD TBD * pm = per million ** mmt = millions of metric tons #DU = dobson unit ^ km3 = cubic kilometers ^ ^ Aragonite is a form of calcium carbonate.
NASA's upper atmosphere research satellite, for example, carries the British - made microwave limb sounder (MLS) which measures concentrations of chlorine monoxide — a chemical that plays a critical part in the destruction of ozone.
This assumes that ambient ozone concentrations measured at the monitor location are representative of population exposure (see e.g. Meng et al. 2012; US EPA 2013 for a discussion of the validity of this assumption).
These maps show the state of the ozone hole each year on the day of maximum depth — the day the lowest ozone concentrations were measured.
The final step, as yet far from completion, is to measure the actual temperature and concentration of each molecule at each point in the atmosphere — including methane, ozone, aerosols and much more.
But the team also measured ubiquitous daytime concentrations of iodine and bromine oxides in the layer of the troposphere where most ozone loss occurs.
TSIS, ERBS, and OMPS - Limb measure, respectively, the incoming solar energy, the energy reflected and emitted by Earth, and the height - dependent concentration of atmospheric ozone that modulates these energy fluxes.