Carbon Facts Flashcards
(101 cards)
what is a petagram
1 petagram aka 1 gigatonne = 1 trillion kilograms or 1 billion tonnes
how long does it take carbon to enter and leave rocks and sediments in the geological cycle
100,000years
how old are some of the fossil fuels we use today
up to 300 million
how many tonnes of carbon are stored in the UKs fossil fuels
143 billion tonnes
how long does it take for carbon to move between rocks, soil, ocean and atmosphere
100-200 million years
how much CO2 was emitted each day by the icelandic volcanic eruption in 2010
150,000 - 300,000 tonnes
what % did the icelandic eruption contribute to global emissions of GHGs in 2010
0.3%
how many active surface volcanos are there
70
how much energy does carbon provide worldwide
30%
how much CO2 was released by degassing in 1992
100 million tonnes
how much carbon do volcanoes emit annually
0.15 - 0.26 Gt (300 million tonnes)
how much carbon do humans emit annually
35Gt
In the oceans today, what % of carbon- containing rock is from shell building (calcifying) organisms (corals) and plankton ``
80%
How much CO2 does phytoplankton sequester each year to the deep ocean
2 billion tonnes
how many carbon compounds have been discovered
10 million
how much of carbon makes up the earths atmosphere
0.03%
how much of the total active pool of carbon is stored in the ocean
95%
how much larger is the ocean as a carbon store than the atmosphere
50 times larger
how much of the carbon in the oceans is stored in undersea algae, plants and coral
93% the remainder is in dissolved form
what are the UK current emissions of CO2
530 million tonnes of CO2
what percentage of carbon dioxide makes up the earths atmosphere
0.04%
what have CO2 concentration risen to and from over the past decade?
from 25% to 39%
how much CO2 does each person generate each year
2.3 tonnes of CO2 a year
how is the majority of carbon stored in oceans
dissolved inorganic carbon