Assessing the potential long Export

@article{citeulike:5778461, abstract = {Plankton manipulation experiments exhibit a wide range of sensitivities of biogenic calcification to simulated anthropogenic acidification of the ocean, with the "lab rat" of planktic calcifiers, <i>Emiliania huxleyi</i> apparently not representative of calcification generally. We assess the implications of this observational uncertainty by creating an ensemble of realizations of an Earth system model that encapsulates a comparable range of uncertainty in calcification response to ocean acidification. We predict that a substantial reduction in marine carbonate production is possible in the future, with enhanced ocean CO₂ sequestration across the model ensemble driving a 4\&ndash;13\% reduction in the year 3000 atmospheric fossil fuel CO₂ burden. Concurrent changes in ocean circulation and surface temperatures in the model contribute about one third to the increase in CO₂ uptake. We find that uncertainty in the predicted strength of CO₂-calcification feedback seems to be dominated by the assumption as to which species of calcifier contribute most to carbonate production in the open ocean.}, author = {Ridgwell, A. and Zondervan, I. and Hargreaves, J. C. and Bijma, J. and Lenton, T. M.}, citeulike-article-id = {5778461}, citeulike-linkout-0 = {http://www.biogeosciences.net/4/481/2007/}, day = {6}, journal = {Biogeosciences}, keywords = {calcium, carbon, climate, ecosystem, emic, model, ocean, plankton, projections, species, uncertainty}, month = {July}, number = {4}, pages = {481--492}, posted-at = {2009-09-12 20:13:56}, priority = {2}, publisher = {Copernicus Publications}, title = {{A}ssessing the potential long}, url = {http://www.biogeosciences.net/4/481/2007/}, volume = {4}, year = {2007} }

TY - JOUR ID - citeulike:5778461 L3 - citeulike-article-id:5778461 N2 - Plankton manipulation experiments exhibit a wide range of sensitivities of biogenic calcification to simulated anthropogenic acidification of the ocean, with the "lab rat" of planktic calcifiers, <i>Emiliania huxleyi</i> apparently not representative of calcification generally. We assess the implications of this observational uncertainty by creating an ensemble of realizations of an Earth system model that encapsulates a comparable range of uncertainty in calcification response to ocean acidification. We predict that a substantial reduction in marine carbonate production is possible in the future, with enhanced ocean CO₂ sequestration across the model ensemble driving a 4&ndash;13% reduction in the year 3000 atmospheric fossil fuel CO₂ burden. Concurrent changes in ocean circulation and surface temperatures in the model contribute about one third to the increase in CO₂ uptake. We find that uncertainty in the predicted strength of CO₂-calcification feedback seems to be dominated by the assumption as to which species of calcifier contribute most to carbonate production in the open ocean. IS - 4 JF - Biogeosciences EP - 492 TI - {A}ssessing the potential long PB - Copernicus Publications VL - 4 SP - 481 KW - calcium KW - carbon KW - climate KW - ecosystem KW - emic KW - model KW - ocean KW - plankton KW - projections KW - species KW - uncertainty AU - Ridgwell, A AU - Zondervan, I AU - Hargreaves, JC AU - Bijma, J AU - Lenton, TM PY - 2007/07/06/ UR - http://www.biogeosciences.net/4/481/2007/ ER -