ScienceDave, as per usual Good stuff. CO2 levels can rise and fall attributed everything from Volcanos, decaying plant matter etc, but then I do not need to tell you that. Currently our CO2 levels have maintained around 350 to 380 ppm, a 80-100ppm rise since the inception of Industrial age which had a CO2 level around 280 to 300 ppm along with the accompanying degree or two in temperature increase. Though the Industrial age attributed to this, so did domestic animals for food population, vehicles and a major population explosion worldwide in some respects over the last 100 or so years as longevity increased almost two fold. Soooooooo, as the ocean currents carry CO2 from North to South in the salt water and releasing CO2 into the atmosphere it may make sense why our previous frozen waterways and glaciers are melting. Having just come back from a week of Human Health air monitoring for CO, CO2, NO2, Temp and Humidty along the Pacific West Coast, My Yes-205 unit and other sample equipment registered CO2 readings in Sitka of 297ppm, 307ppm in Rose Point all the way to Rivers Inlet further south registered 321ppm. Vancouver Airport South Terminal was at 353ppm at 6pm yesterday once I landed back home. Quite a spread. Granted these places were remote, but it goes to show the further north along the coast CO2 levels only raised slowly over the last century, and were more likely comparable to an industrial city when logging and canneries were in operation. It will be interesting to see what CO2 levels are in 30 years. I am hoping Vancouver will be lower or maintain in the next decade.
Truemors
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at 08:16 on September 29th, 2007
ScienceDave, as per usual Good stuff. CO2 levels can rise and fall attributed everything from Volcanos, decaying plant matter etc, but then I do not need to tell you that. Currently our CO2 levels have maintained around 350 to 380 ppm, a 80-100ppm rise since the inception of Industrial age which had a CO2 level around 280 to 300 ppm along with the accompanying degree or two in temperature increase. Though the Industrial age attributed to this, so did domestic animals for food population, vehicles and a major population explosion worldwide in some respects over the last 100 or so years as longevity increased almost two fold. Soooooooo, as the ocean currents carry CO2 from North to South in the salt water and releasing CO2 into the atmosphere it may make sense why our previous frozen waterways and glaciers are melting. Having just come back from a week of Human Health air monitoring for CO, CO2, NO2, Temp and Humidty along the Pacific West Coast, My Yes-205 unit and other sample equipment registered CO2 readings in Sitka of 297ppm, 307ppm in Rose Point all the way to Rivers Inlet further south registered 321ppm. Vancouver Airport South Terminal was at 353ppm at 6pm yesterday once I landed back home. Quite a spread. Granted these places were remote, but it goes to show the further north along the coast CO2 levels only raised slowly over the last century, and were more likely comparable to an industrial city when logging and canneries were in operation. It will be interesting to see what CO2 levels are in 30 years. I am hoping Vancouver will be lower or maintain in the next decade.