%0 Journal Article %1 Merryfield2005a %A Merryfield, W. J. %A Boer, G. J. %D 2005 %J JOURNAL OF CLIMATE %K CELL; CENTRAL CHANGE DECADAL EL-NINO; EQUATORIAL GENERAL-CIRCULATION MAXIMUM MODEL; PACIFIC; SIMULATION; STRESS; SUBTROPICAL THERMOCLINE TRITIUM TROPICAL VARIABILITY; WATER; WIND %N 5 %P 666--683 %T Variability of upper Pacific Ocean overturning in a coupled climate model %V 18 %X Variability of subtropical cell (STC) overturning in the upper Pacific Ocean is examined in a coupled climate model in light of large observed changes in STC transport. In a 1000-yr control run, modeled STC variations are smaller than observed, but correlate in a similar way with low-frequency ENSO-like variability. In model runs that include anthropogenically forced climate change, STC pycnocline transports decrease progressively under the influence of global warming, attaining reductions of 8% by 2000 and 46% by 2100. Although the former reduction is insufficient to fully account for the apparent observed decline in STC transport over recent decades, it does suggest that global warming may have contributed to the observed changes. Analysis of coupled model results shows that STC transports play a significant role in modulating tropical Pacific Ocean heat content, and that such changes are dominated by anomalous currents advecting mean temperature, rather than by advection of temperature anomalies by mean currents.

@article{Merryfield2005a, abstract = {Variability of subtropical cell (STC) overturning in the upper Pacific Ocean is examined in a coupled climate model in light of large observed changes in STC transport. In a 1000-yr control run, modeled STC variations are smaller than observed, but correlate in a similar way with low-frequency ENSO-like variability. In model runs that include anthropogenically forced climate change, STC pycnocline transports decrease progressively under the influence of global warming, attaining reductions of 8% by 2000 and 46% by 2100. Although the former reduction is insufficient to fully account for the apparent observed decline in STC transport over recent decades, it does suggest that global warming may have contributed to the observed changes. Analysis of coupled model results shows that STC transports play a significant role in modulating tropical Pacific Ocean heat content, and that such changes are dominated by anomalous currents advecting mean temperature, rather than by advection of temperature anomalies by mean currents.}, added-at = {2009-11-03T20:21:25.000+0100}, author = {Merryfield, W. J. and Boer, G. J.}, biburl = {https://www.bibsonomy.org/bibtex/25f99ffa9cff83bc6d168d90f64073930/svance}, citedreferences = {BOER GJ, 2000, CLIM DYNAM, V16, P405 ; BOER GJ, 2000, CLIM DYNAM, V16, P427 ; FLATO GM, 1992, J PHYS OCEANOGR, V22, P626 ; FLATO GM, 2000, CLIM DYNAM, V16, P451 ; FLATO GM, 2001, GEOPHYS RES LETT, V28, P195 ; FUKUMORI I, 2004, J PHYS OCEANOGR, V34, P582 ; GANACHAUD A, 2000, Nature, V408, P453 ; GENT PR, 1990, J PHYS OCEANOGR, V20, P150 ; GIESE BS, 2002, GEOPHYS RES LETT, V29 ; GU DF, 1997, Science, V275, P805 ; HAUTALA SL, 1998, J GEOPHYS RES-OCEANS, V103, P13055 ; HAZELEGER W, 2001, J GEOPHYS RES-OCEANS, V106, P8971 ; HOSODA S, 2001, J GEOPHYS RES-OCEANS, V106, P19671 ; HOUGHTON JT, 1996, CLIMATE CHANGE 1995 ; HUANG BY, 1999, J GEOPHYS RES-OCEANS, V104, P11065 ; JOHNSON GC, 1999, J PHYS OCEANOGR, V29, P3073 ; JOHNSON GC, 2001, GEOPHYS RES LETT, V28, P1771 ; KAPLAN A, 1998, J GEOPHYS RES-OCEANS, V103, P18567 ; KLEEMAN R, 1999, GEOPHYS RES LETT, V26, P1743 ; KLINGER BA, 2002, J PHYS OCEANOGR, V32, P1507 ; LADD C, 2000, J PHYS OCEANOGR, V30, P868 ; LEE T, 2003, J CLIMATE, V16, P4022 ; LIU ZG, 1994, J PHYS OCEANOGR, V24, P2606 ; LIU ZY, 1994, J PHYS OCEANOGR, V24, P1153 ; LIU ZY, 1995, J PHYS OCEANOGR, V25, P449 ; LIU ZY, 1998, J PHYS OCEANOGR, V28, P1527 ; LU P, 1995, J PHYS OCEANOGR, V25, P3076 ; MCCREARY JP, 1994, J PHYS OCEANOGR, V24, P466 ; MCFARLANE NA, 1992, J CLIMATE, V5, P1013 ; MCPHADEN MJ, 1988, J PHYS OCEANOGR, V18, P1454 ; MCPHADEN MJ, 2002, Nature, V415, P603 ; MITCHELL JFB, 1995, Nature, V376, P501 ; NONAKA M, 2002, GEOPHYS RES LETT, V29 ; PACANOWSKI RC, 1993, 2 GFDL OC GROUP ; ROTHSTEIN LM, 1998, J PHYS OCEANOGR, V28, P322 ; SCHNEIDER N, 1999, J PHYS OCEANOGR, V29, P1056 ; SOLOMON A, 2003, J CLIMATE, V16, P383 ; SPRINGER SR, 1990, J GEOPHYS RES-OCEANS, V95, P22089 ; STAMMER D, 2003, J GEOPHYS RES-OCEANS, V108 ; SUN DZ, 1998, GEOPHYS RES LETT, V25, P2659 ; WALLACE JM, 1998, J GEOPHYS RES-OCEANS, V103, P14241 ; WITTENBERG AT, 2004, J CLIMATE, V17, P2526 ; WONG APS, 2003, J PHYS OCEANOGR, V33, P1493 ; YANG H, 2004, J PHYS OCEANOGR, V24, P174 ; YU B, 2002, CLIM DYNAM, V19, P539 ; ZHANG Y, 1997, J CLIMATE, V10, P1004}, interhash = {93dfc05ea33db7649dfa1a635cada365}, intrahash = {5f99ffa9cff83bc6d168d90f64073930}, journal = {JOURNAL OF CLIMATE}, keywords = {CELL; CENTRAL CHANGE DECADAL EL-NINO; EQUATORIAL GENERAL-CIRCULATION MAXIMUM MODEL; PACIFIC; SIMULATION; STRESS; SUBTROPICAL THERMOCLINE TRITIUM TROPICAL VARIABILITY; WATER; WIND}, number = 5, owner = {svance}, pages = {666--683}, timestamp = {2009-11-03T20:22:04.000+0100}, title = {Variability of upper Pacific Ocean overturning in a coupled climate model}, volume = 18, year = 2005 }