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what are some sources of CO2?
respiration, decomposition, volcanic eruptinos
wildfires
as trees burn, they release large amounts of CO2, smoke. and particulates into the air
dust (sand) storms
common in low precip. areas
strong wind drive loose particles of sand into air —> increase particulate pollution
what do volcanic eruptions release
release sulfur dioxide, hydrogen chloride, carbon dioxide, ash (PM)
what are health affects of pollutants released by volcanic eruptions?
resp. problems, eye injuries, death
metabolic processes
cellular respiration —> CO2 is a by-product of reaction.
during decomposition, organic substances are broken down into smaller molecules —> release CO2
what does specialist equipment do? why are they used for volcanic eruptions?
they are used to measure the quantity and composition of gases emitted from volcanoes
difference of ground measurements and remote
ground - instrument is located on the volcano
remote - measurements are made by air using aircraft or satellites
what does the information collected from volcanic measurements tell?
tells us if levels of gases around volcanoes are safe for humans
what does a multiGAS measure?
water vapor, CO2, sulfur dioxide, and hydrogen sulfide in gas plumes
