Sentences with phrase «measured ozone losses»

Not exact matches

It is possible to do a small - scale test, with quite low risks, that measures key aspects of the risk of geoengineering — in this case the risk of ozone loss.»

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.

But it is also well known that just looking at fields of total ozone does not tell us much about chemical loss (total ozone is a measure of the «thickness» of the ozone layer).

But it is also well known that just looking at fields of total ozone does not tell us much about chemical loss (total ozone is a measure of the «thickness» of the ozone layer).

Markus Rex graphs shows a linear trend for the increasing PSC volume, and the left y axis the POTENTIAL OZONE LOSS (not the measured one, am I right?)

But the team also measured ubiquitous daytime concentrations of iodine and bromine oxides in the layer of the troposphere where most ozone loss occurs.