Records |
Author |
Chassignet, E.P.; Xu, X. |
Title |
Impact of Horizontal Resolution (1/12° to 1/50°) on Gulf Stream Separation, Penetration, and Variability |
Type |
$loc['typeJournal Article'] |
Year |
2017 |
Publication |
Journal of Physical Oceanography |
Abbreviated Journal |
J. Phys. Oceanogr. |
Volume |
47 |
Issue |
8 |
Pages |
1999-2021 |
Keywords |
Ocean; Boundary currents; Eddies; Mesoscale processes; Ocean circulation; Ocean dynamics |
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0022-3670 |
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$loc['no'] |
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COAPS @ mfield @ |
Serial |
17 |
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Author |
Xu, X.; Rhines, P.B.; Chassignet, E.P.; Schmitz Jr., W.J. |
Title |
Spreading of Denmark Strait Overflow Water in the Western Subpolar North Atlantic: Insights from Eddy-Resolving Simulations with a Passive Tracer |
Type |
$loc['typeJournal Article'] |
Year |
2015 |
Publication |
Journal of Physical Oceanography |
Abbreviated Journal |
J. Phys. Oceanogr. |
Volume |
45 |
Issue |
12 |
Pages |
2913-2932 |
Keywords |
Circulation/ Dynamics; Abyssal circulation; Boundary currents; Ocean circulation; Ocean dynamics; Potential vorticity; Topographic effects |
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0022-3670 |
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$loc['no'] |
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COAPS @ mfield @ |
Serial |
116 |
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Author |
Zhang, M.; Wu, Z.; Qiao, F. |
Title |
Deep Atlantic Ocean Warming Facilitated by the Deep Western Boundary Current and Equatorial Kelvin Waves |
Type |
$loc['typeJournal Article'] |
Year |
2018 |
Publication |
Journal of Climate |
Abbreviated Journal |
J. Climate |
Volume |
31 |
Issue |
20 |
Pages |
8541-8555 |
Keywords |
Ocean; Atlantic Ocean; Heating; Kelvin waves; Ocean circulation; Oceanic variability; EMPIRICAL MODE DECOMPOSITION; NONSTATIONARY TIME-SERIES; NORTH-ATLANTIC; CLIMATE-CHANGE; HEAT-CONTENT; HIATUS; VARIABILITY; CIRCULATION; TEMPERATURE; PACIFIC |
Abstract |
Increased heat storage in deep oceans has been proposed to account for the slowdown of global surface warming since the end of the twentieth century. How the imbalanced heat at the surface has been redistributed to deep oceans remains to be elucidated. Here, the evolution of deep Atlantic Ocean heat storage since 1950 on multidecadal or longer time scales is revealed. The anomalous heat in the deep Labrador Sea was transported southward by the shallower core of the deep western boundary current (DWBC). Upon reaching the equator around 1980, this heat transport route bifurcated into two, with one continuing southward along the DWBC and the other extending eastward along a narrow strip (about 4 degrees width) centered at the equator. In the 1990s and 2000s, meridional diffusion helped to spread warming in the tropics, making the eastward equatorial warming extension have a narrow head and wider tail. The deep Atlantic Ocean warming since 1950 had overlapping variability of approximately 60 years. The results suggest that the current basinwide Atlantic Ocean warming at depths of 1000-2000 m can be traced back to the subsurface warming in the Labrador Sea in the 1950s. An inference from these results is that the increased heat storage in the twenty-first century in the deep Atlantic Ocean is unlikely to partly account for the atmospheric radiative imbalance during the last two decades and to serve as an explanation for the current warming hiatus. |
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0894-8755 |
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$loc['no'] |
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COAPS @ user @ |
Serial |
950 |
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Author |
Sura, P.; Hannachi, A. |
Title |
Perspectives of Non-Gaussianity in Atmospheric Synoptic and Low-Frequency Variability |
Type |
$loc['typeJournal Article'] |
Year |
2015 |
Publication |
Journal of Climate |
Abbreviated Journal |
J. Climate |
Volume |
28 |
Issue |
13 |
Pages |
5091-5114 |
Keywords |
Atmospheric circulation; Nonlinear dynamics; Statistics; Climate variability |
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0894-8755 |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
114 |
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Author |
Elsner, J.B.; Strazzo, S.E.; Jagger, T.H.; LaRow, T.; Zhao, M. |
Title |
Sensitivity of Limiting Hurricane Intensity to SST in the Atlantic from Observations and GCMs |
Type |
$loc['typeJournal Article'] |
Year |
2013 |
Publication |
Journal of Climate |
Abbreviated Journal |
J. Climate |
Volume |
26 |
Issue |
16 |
Pages |
5949-5957 |
Keywords |
Hurricanes/typhoons; Sensitivity studies; Statistics; General circulation models |
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0894-8755 |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
212 |
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Author |
Zavala-Hidalgo, J. |
Title |
Seasonal circulation on the western shelf of the Gulf of Mexico using a high-resolution numerical model |
Type |
$loc['typeJournal Article'] |
Year |
2003 |
Publication |
Journal of Geophysical Research |
Abbreviated Journal |
J. Geophys. Res. |
Volume |
108 |
Issue |
C12 |
Pages |
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Keywords |
shelf circulation; western Gulf of Mexico |
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ISSN |
0148-0227 |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
467 |
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Author |
Dukhovskoy, D.S.; Myers, P.G.; Platov, G.; Timmermans, M.-L.; Curry, B.; Proshutinsky, A.; Bamber, J.L.; Chassignet, E.; Hu, X.; Lee, C.M.; Somavilla, R. |
Title |
Greenland freshwater pathways in the sub-Arctic Seas from model experiments with passive tracers |
Type |
$loc['typeJournal Article'] |
Year |
2016 |
Publication |
Journal of Geophysical Research: Oceans |
Abbreviated Journal |
J. Geophys. Res. Oceans |
Volume |
121 |
Issue |
1 |
Pages |
877-907 |
Keywords |
Greenland Ice Sheet melting; Greenland freshwater; thermohaline circulation; Nordic Seas; sub-Arctic seas; Baffin Bay; Labrador Sea |
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2169-9275 |
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$loc['no'] |
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COAPS @ mfield @ |
Serial |
35 |
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Author |
Proshutinsky, A.; Krishfield, R.; Toole, J.M.; Timmermans, M.-L.; Williams, W.; Zimmermann, S.; Yamamoto-Kawai, M.; Armitage, T.W.K.; Dukhovskoy, D.; Golubeva, E.; Manucharyan, G.E.; Platov, G.; Watanabe, E.; Kikuchi, T.; Nishino, S.; Itoh, M.; Kang, S.-H.; Cho, K.-H.; Tateyama, K.; Zhao, J. |
Title |
Analysis of the Beaufort Gyre Freshwater Content in 2003-2018 |
Type |
$loc['typeJournal Article'] |
Year |
2019 |
Publication |
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Abbreviated Journal |
J Geophys Res Oceans |
Volume |
124 |
Issue |
12 |
Pages |
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Keywords |
Arctic Ocean; Beaufort Gyre; circulation; climate change; freshwater balance; modeling |
Abstract |
Hydrographic data collected from research cruises, bottom-anchored moorings, drifting Ice-Tethered Profilers, and satellite altimetry in the Beaufort Gyre region of the Arctic Ocean document an increase of more than 6,400 km(3) of liquid freshwater content from 2003 to 2018: a 40% growth relative to the climatology of the 1970s. This fresh water accumulation is shown to result from persistent anticyclonic atmospheric wind forcing (1997-2018) accompanied by sea ice melt, a wind-forced redirection of Mackenzie River discharge from predominantly eastward to westward flow, and a contribution of low salinity waters of Pacific Ocean origin via Bering Strait. Despite significant uncertainties in the different observations, this study has demonstrated the synergistic value of having multiple diverse datasets to obtain a more comprehensive understanding of Beaufort Gyre freshwater content variability. For example, Beaufort Gyre Observational System (BGOS) surveys clearly show the interannual increase in freshwater content, but without satellite or Ice-Tethered Profiler measurements, it is not possible to resolve the seasonal cycle of freshwater content, which in fact is larger than the year-to-year variability, or the more subtle interannual variations. |
Address |
Physical Oceanography Laboratory Ocean University of China, Qingdao China |
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English |
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2169-9275 |
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Funding |
strtoupper('3').strtolower('2055432'); strtoupper('P').strtolower('MC7003849') |
Approved |
$loc['no'] |
Call Number |
COAPS @ user @ |
Serial |
1097 |
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Author |
Proshutinsky, A.; Krishfield, R.; Toole, J.M.; Timmermans, M.-L.; Williams, W.; Zimmermann, S.; Yamamoto-Kawai, M.; Armitage, T.W.K.; Dukhovskoy, D.; Golubeva, E.; Manucharyan, G.E.; Platov, G.; Watanabe, E.; Kikuchi, T.; Nishino, S.; Itoh, M.; Kang, S.-H.; Cho, K.-H.; Tateyama, K.; Zhao, J. |
Title |
Analysis of the Beaufort Gyre Freshwater Content in 2003-2018 |
Type |
$loc['typeJournal Article'] |
Year |
2019 |
Publication |
|
Abbreviated Journal |
J Geophys Res Oceans |
Volume |
124 |
Issue |
12 |
Pages |
9658-9689 |
Keywords |
Arctic Ocean; Beaufort Gyre; circulation; climate change; freshwater balance; modeling |
Abstract |
Hydrographic data collected from research cruises, bottom-anchored moorings, drifting Ice-Tethered Profilers, and satellite altimetry in the Beaufort Gyre region of the Arctic Ocean document an increase of more than 6,400 km(3) of liquid freshwater content from 2003 to 2018: a 40% growth relative to the climatology of the 1970s. This fresh water accumulation is shown to result from persistent anticyclonic atmospheric wind forcing (1997-2018) accompanied by sea ice melt, a wind-forced redirection of Mackenzie River discharge from predominantly eastward to westward flow, and a contribution of low salinity waters of Pacific Ocean origin via Bering Strait. Despite significant uncertainties in the different observations, this study has demonstrated the synergistic value of having multiple diverse datasets to obtain a more comprehensive understanding of Beaufort Gyre freshwater content variability. For example, Beaufort Gyre Observational System (BGOS) surveys clearly show the interannual increase in freshwater content, but without satellite or Ice-Tethered Profiler measurements, it is not possible to resolve the seasonal cycle of freshwater content, which in fact is larger than the year-to-year variability, or the more subtle interannual variations. |
Address |
Physical Oceanography Laboratory Ocean University of China, Qingdao China |
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English |
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2169-9275 |
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Funding |
strtoupper('3').strtolower('2055432'); strtoupper('P').strtolower('MC7003849') |
Approved |
$loc['no'] |
Call Number |
COAPS @ user @ |
Serial |
1102 |
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