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5. Winter weather controls net influx of atmospheric CO2 on the north-west European shelf

Author

Kitidis, Vassilis, primary, Shutler, Jamie D., additional, Ashton, Ian, additional, Warren, Mark, additional, Brown, Ian, additional, Findlay, Helen, additional, Hartman, Sue E., additional, Sanders, Richard, additional, Humphreys, Matthew, additional, Kivimäe, Caroline, additional, Greenwood, Naomi, additional, Hull, Tom, additional, Pearce, David, additional, McGrath, Triona, additional, Stewart, Brian M., additional, Walsham, Pamela, additional, McGovern, Evin, additional, Bozec, Yann, additional, Gac, Jean-Philippe, additional, van Heuven, Steven M. A. C., additional, Hoppema, Mario, additional, Schuster, Ute, additional, Johannessen, Truls, additional, Omar, Abdirahman, additional, Lauvset, Siv K., additional, Skjelvan, Ingunn, additional, Olsen, Are, additional, Steinhoff, Tobias, additional, Körtzinger, Arne, additional, Becker, Meike, additional, Lefevre, Nathalie, additional, Diverrès, Denis, additional, Gkritzalis, Thanos, additional, Cattrijsse, André, additional, Petersen, Wilhelm, additional, Voynova, Yoana G., additional, Chapron, Bertrand, additional, Grouazel, Antoine, additional, Land, Peter E., additional, Sharples, Jonathan, additional, and Nightingale, Philip D., additional

Published
2019
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6. Winter weather controls net influx of atmospheric CO2 on the northwest European shelf

Author

Kitidis, Vassilis, Shutler, Jamie D., Ashton, Ian, Warren, Mark, Brown, Ian, Findlay, Helen, Hartman, Sue E., Sanders, Richard, Humphreys, Matthew, Kivimae, Caroline, Greenwood, Naomi, Hull, Tom, Pearce, David, Mcgrath, Triona, Stewart, Brian M., Walsham, Pamela, Mcgovern, Evin, Bozec, Yann, Gac, Jean-philippe, Van Heuven, Steven M. A. C., Hoppema, Mario, Schuster, Ute, Johannessen, Truls, Omar, Abdirahman, Lauvset, Siv K., Skjelvan, Ingunn, Olsen, Are, Steinhoff, Tobias, Koertzinger, Arne, Becker, Meike, Lefevre, Nathalie, Diverres, Denis, Gkritzalis, Thanos, Cattrijsse, Andre, Petersen, Wilhelm, Voynova, Yoana G., Chapron, Bertrand, Grouazel, Antoine, Land, Peter E., Sharples, Jonathan, Nightingale, Philip D., Kitidis, Vassilis, Shutler, Jamie D., Ashton, Ian, Warren, Mark, Brown, Ian, Findlay, Helen, Hartman, Sue E., Sanders, Richard, Humphreys, Matthew, Kivimae, Caroline, Greenwood, Naomi, Hull, Tom, Pearce, David, Mcgrath, Triona, Stewart, Brian M., Walsham, Pamela, Mcgovern, Evin, Bozec, Yann, Gac, Jean-philippe, Van Heuven, Steven M. A. C., Hoppema, Mario, Schuster, Ute, Johannessen, Truls, Omar, Abdirahman, Lauvset, Siv K., Skjelvan, Ingunn, Olsen, Are, Steinhoff, Tobias, Koertzinger, Arne, Becker, Meike, Lefevre, Nathalie, Diverres, Denis, Gkritzalis, Thanos, Cattrijsse, Andre, Petersen, Wilhelm, Voynova, Yoana G., Chapron, Bertrand, Grouazel, Antoine, Land, Peter E., Sharples, Jonathan, and Nightingale, Philip D.

Abstract

Shelf seas play an important role in the global carbon cycle, absorbing atmospheric carbon dioxide (CO2) and exporting carbon (C) to the open ocean and sediments. The magnitude of these processes is poorly constrained, because observations are typically interpolated over multiple years. Here, we used 298500 observations of CO2 fugacity (fCO(2)) from a single year (2015), to estimate the net influx of atmospheric CO2 as 26.2 +/- 4.7 Tg C yr(-1) over the open NW European shelf. CO2 influx from the atmosphere was dominated by influx during winter as a consequence of high winds, despite a smaller, thermally-driven, air-sea fCO(2) gradient compared to the larger, biologically-driven summer gradient. In order to understand this climate regulation service, we constructed a carbon-budget supplemented by data from the literature, where the NW European shelf is treated as a box with carbon entering and leaving the box. This budget showed that net C-burial was a small sink of 1.3 +/- 3.1 Tg C yr(-1), while CO2 efflux from estuaries to the atmosphere, removed the majority of river C-inputs. In contrast, the input from the Baltic Sea likely contributes to net export via the continental shelf pump and advection (34.4 +/- 6.0 Tg C yr(-1)).

Published
2019
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7. Winter weather controls net influx of atmospheric CO2 on the north-west European shelf

Author

Kitidis, Vassilis, Shutler, Jamie D., Ashton, Ian, Warren, Mark, Brown, Ian, Findlay, Helen, Hartman, Sue E., Sanders, Richard, Humphreys, Matthew, Kivimäe, Caroline, Greenwood, Naomi, Hull, Tom, Pearce, David, McGrath, Triona, Stewart, Brian M., Walsham, Pamela, McGovern, Evin, Bozec, Yann, Gac, Jean-Philippe, van Heuven, Steven M. A. C., Hoppema, Mario, Schuster, Ute, Johannessen, Truls, Omar, Abdirahman, Lauvset, Siv K., Skjelvan, Ingunn, Olsen, Are, Steinhoff, Tobias, Körtzinger, Arne, Becker, Meike, Lefevre, Nathalie, Diverrès, Denis, Gkritzalis, Thanos, Cattrijsse, André, Petersen, Wilhelm, Voynova, Yoana G., Chapron, Bertrand, Grouazel, Antoine, Land, Peter E., Sharples, Jonathan, Nightingale, Philip D., Kitidis, Vassilis, Shutler, Jamie D., Ashton, Ian, Warren, Mark, Brown, Ian, Findlay, Helen, Hartman, Sue E., Sanders, Richard, Humphreys, Matthew, Kivimäe, Caroline, Greenwood, Naomi, Hull, Tom, Pearce, David, McGrath, Triona, Stewart, Brian M., Walsham, Pamela, McGovern, Evin, Bozec, Yann, Gac, Jean-Philippe, van Heuven, Steven M. A. C., Hoppema, Mario, Schuster, Ute, Johannessen, Truls, Omar, Abdirahman, Lauvset, Siv K., Skjelvan, Ingunn, Olsen, Are, Steinhoff, Tobias, Körtzinger, Arne, Becker, Meike, Lefevre, Nathalie, Diverrès, Denis, Gkritzalis, Thanos, Cattrijsse, André, Petersen, Wilhelm, Voynova, Yoana G., Chapron, Bertrand, Grouazel, Antoine, Land, Peter E., Sharples, Jonathan, and Nightingale, Philip D.

Abstract

Shelf seas play an important role in the global carbon cycle, absorbing atmospheric carbon dioxide (CO2) and exporting carbon (C) to the open ocean and sediments. The magnitude of these processes is poorly constrained, because observations are typically interpolated over multiple years. Here, we used 298500 observations of CO2 fugacity (fCO2) from a single year (2015), to estimate the net influx of atmospheric CO2 as 26.2 ± 4.7 Tg C yr−1 over the open NW European shelf. CO2 influx from the atmosphere was dominated by influx during winter as a consequence of high winds, despite a smaller, thermally-driven, air-sea fCO2 gradient compared to the larger, biologically-driven summer gradient. In order to understand this climate regulation service, we constructed a carbon-budget supplemented by data from the literature, where the NW European shelf is treated as a box with carbon entering and leaving the box. This budget showed that net C-burial was a small sink of 1.3 ± 3.1 Tg C yr−1, while CO2 efflux from estuaries to the atmosphere, removed the majority of river C-inputs. In contrast, the input from the Baltic Sea likely contributes to net export via the continental shelf pump and advection (34.4 ± 6.0 Tg C yr−1).

Published
2019

10. SUPREME SOUP STRAINERS.

Author

Stewart, Brian M.

Subjects
SUPREME Court justices (U.S.), MUSTACHES
Abstract

The article offers information on the top ten Supreme Court Justices who was having mustache which include Thurgood Marshall from 1967-1991 Melville Fuller from 1888-1910 and William Henry Moody from 1906-1910.

Published
2015

12. Winter weather controls net influx of atmospheric CO 2 on the north-west European shelf.

Author

Kitidis V, Shutler JD, Ashton I, Warren M, Brown I, Findlay H, Hartman SE, Sanders R, Humphreys M, Kivimäe C, Greenwood N, Hull T, Pearce D, McGrath T, Stewart BM, Walsham P, McGovern E, Bozec Y, Gac JP, van Heuven SMAC, Hoppema M, Schuster U, Johannessen T, Omar A, Lauvset SK, Skjelvan I, Olsen A, Steinhoff T, Körtzinger A, Becker M, Lefevre N, Diverrès D, Gkritzalis T, Cattrijsse A, Petersen W, Voynova YG, Chapron B, Grouazel A, Land PE, Sharples J, and Nightingale PD

Abstract

Shelf seas play an important role in the global carbon cycle, absorbing atmospheric carbon dioxide (CO 2 ) and exporting carbon (C) to the open ocean and sediments. The magnitude of these processes is poorly constrained, because observations are typically interpolated over multiple years. Here, we used 298500 observations of CO 2 fugacity (fCO 2 ) from a single year (2015), to estimate the net influx of atmospheric CO 2 as 26.2 ± 4.7 Tg C yr -1 over the open NW European shelf. CO 2 influx from the atmosphere was dominated by influx during winter as a consequence of high winds, despite a smaller, thermally-driven, air-sea fCO 2 gradient compared to the larger, biologically-driven summer gradient. In order to understand this climate regulation service, we constructed a carbon-budget supplemented by data from the literature, where the NW European shelf is treated as a box with carbon entering and leaving the box. This budget showed that net C-burial was a small sink of 1.3 ± 3.1 Tg C yr -1 , while CO 2 efflux from estuaries to the atmosphere, removed the majority of river C-inputs. In contrast, the input from the Baltic Sea likely contributes to net export via the continental shelf pump and advection (34.4 ± 6.0 Tg C yr -1 ).

Published
2019
Full Text
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