Published October 1, 1977
by Springer .
Written in English
|The Physical Object|
|Number of Pages||749|
Genre/Form: Congresses Conference papers and proceedings: Additional Physical Format: Online version: Fate of fossil fuel CO₂ in the oceans. New York: Plenum Press, © For the best guess cases, which include air/seawater, CaCO 3, and silicate weathering equilibria as affected by an ocean temperature feedback, we expect that 17–33% of the fossil fuel carbon will still reside in the atmosphere 1 kyr from now, decreasing to 10–15% at 10 kyr, and 7% at by:  A model of the ocean and seafloor carbon cycle is subjected to injection of new CO 2 pulses of varying sizes to estimate the resident atmospheric fraction over the coming kyr. The model is used to separate the processes of air‐sea equilibrium, an ocean temperature feedback, CaCO 3 compensation, and silicate weathering on the residual anthropogenic pCO 2 in the atmosphere at 1, 10 Cited by: consequences of fossil fuel CO 2 release have never reached the same level of public awareness and concern as does the production of long-lived nuclear wastes, for example.  Potential sources of new CO 2 to the ocean/atmosphere carbon pools include fossil fuel carbon, changes in the size of the terrestrial biosphere including soil organic.
Abstract. The annual exchanges of carbon dioxide gas between the atmosphere and the surface ocean, and the slow but inexorable oceanic uptake of fossil fuel CO 2, are among the most important problems addressed by ocean chemists today.. There is wide agreement as to experimental procedures in this field, through the measurement of alkalinity, total CO 2, pH and pCO 2 of ocean waters, together. The fate of fossil fuel carbon dioxide released into the atmosphere depends on the exchange rates of carbon between the atmosphere and three major carbon reservoirs, namely, the oceans, shallow-water sediments, and the terrestrial biosphere. Various assumptions and models used to estimate the global carbon budget for the last 20 years are reviewed and evaluated. We can get a glimpse of what a future acid ocean might look like by traveling to volcanic vents on the ocean floor, where carbon dioxide bubbles into shallow waters. from global fossil fuel. As a result, the amount of carbon dioxide in the atmosphere is rapidly rising; it is already considerably greater than at any time in the last , years. The ocean absorbs much of the carbon dioxide that is released from burning fossil fuels. This extra carbon dioxide is lowering the ocean’s pH, through a process called ocean acidification.
ANRVEA ARI 23 March Atmospheric Lifetime of Fossil Fuel Carbon Dioxide David Archer,1 Michael Eby,2 Victor Brovkin,3 Andy Ridgwell,4 Long Cao,5 Uwe Mikolajewicz,3 Ken Caldeira,5 Katsumi Matsumoto,6 Guy Munhoven,7 Alvaro Montenegro,2 and Kathy Tokos6 1Department of Geophysical Sciences, University of Chicago, Chicago, Illinois ; email: [email protected] In this exercise, students construct a simple 'box model' of Earth's carbon cycle to determine the fate of fossil fuel-derived CO2. The models simulate the exchange of CO2 between Earth's major carbon reservoirs (i.e., the atmosphere, ocean and terrestrial biosphere) that are exchanging carbon on time scales relevant to anthropogenic activity. The idea seemed simple enough: the more carbon dioxide that people pumped into the atmosphere by burning fossil fuels, the more the oceans would absorb. The ocean would continue to soak up more and more carbon dioxide until global warming heated the ocean enough to slow down ocean circulation. Title: jc Created Date: 9/12/ PM.