[PDF] Top 20 Millennial changes in North Atlantic oxygen concentrations
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Millennial changes in North Atlantic oxygen concentrations
... the North At- lantic was reduced during the cold events of MIS ...during millennial cold events at the intermediate ODP Site ...depth Atlantic Overturning Circulation cell (Thornalley et ...ous ... See full document
11
Millennial changes in North Atlantic oxygen concentrations
... driving North Atlantic seawater [O 2 ] changes during Heinrich events, the picture is not ...the North Atlantic, model simulations by Menviel et ...the Atlantic. According to ... See full document
11
A seesaw in Mediterranean precipitation during the Roman Period linked to millennial-scale changes in the North Atlantic
... a millennial-scale seesaw in climatic humid- ity between Spain and Israel on one side and the Central Mediterranean and Turkey on the other, similar to precipita- tion anomalies associated with the East ... See full document
15
Decadal oxygen change in the eastern tropical North Atlantic
... the oxygen and water mass variability in the upper ...decadal changes in the strength of the lateral mixing on the oxygen variability cannot be addressed with the available ...meridional ... See full document
26
Oxygen, carbon, and nutrients in the oligotrophic eastern subtropical North Atlantic
... the same confidence as TOC since we lack reliable subsur- face TON data. An estimate is possible assuming that the deep water concentration is equal to the lowest concentra- tion measured by us and that this ... See full document
14
Oxygen utilization and downward carbon flux in an oxygen-depleted eddy in the eastern tropical North Atlantic
... Here, we present biogeochemical insights into low-oxygen ACMEs in the ETNA based on direct in situ sampling during two coordinated ship-based surveys. The main objective of this study is to reveal and quantify ... See full document
15
Particle export fluxes to the oxygen minimum zone of the eastern tropical North Atlantic
... GABA showed a local peak at 300 m, i.e., within the up- per oxycline, and may point to high bacterial activity at this depth. Leu is an essential amino acids and readily taken up by heterotrophic microorganisms. Little ... See full document
14
Dynamical Characterization of a Low Oxygen Submesoscale Coherent Vortex in the Eastern North Atlantic Ocean
... subtropical North Atlantic (Karstensen et ...low oxygen concentrations and the creation of open ocean ‘‘dead-zones’’ (Karstensen et ...low oxygen SCV observed in early 2010 with a ... See full document
17
The flow field of the upper hypoxic eastern tropical North Atlantic oxygen minimum zone
... tropical North Atlantic (Stramma et ...that oxygen-poor water east of the Cape Verde Islands is trapped in a cyclonic circulation cell, which agrees with the lowest oxygen ... See full document
15
CARINA oxygen data in the Atlantic Ocean
... the Atlantic Ocean) project, a new dataset with many previously unpublished hydrographic data from the Atlantic, Arctic and Southern Ocean was assembled and subjected to careful quality control (QC) ... See full document
14
Ocean acidification in the subpolar North Atlantic: rates and mechanisms controlling pH changes
... Author contributions. All authors contributed extensively to the work presented in this paper. Maribel I. García-Ibáñez, Aida F. Ríos, Herlé Mercier, Are Olsen and Fiz F. Pérez designed the re- search. Maribel I. ... See full document
15
On the role of circulation and mixing in the ventilation of oxygen minimum zones with a focus on the eastern tropical North Atlantic
... change. Oxygen data from shipboard repeat hydrography and moored observations show substantial interannual variabil- ity ...of oxygen changes in the ...circulation changes and/or ... See full document
24
Size-fractionated major particle composition and concentrations from the US GEOTRACES North Atlantic Zonal Transect
... (Boyd and Trull, 2007), or widely varying ballast mineral carrying coef ficients ( Wilson et al., 2012). In the mineral protection model, one would not expect a correla- tion between POC and CaCO 3 export flux at the base ... See full document
18
Calcification in the planktonic foraminifera Globigerina bulloides linked to phosphate concentrations in surface waters of the North Atlantic Ocean
... 2 concentrations in the ...the North Atlantic Ocean, are compared with in situ carbonate ion concentrations ([CO 2− 3 ]), sea-surface temperature, optimum growth conditions and nutrient ... See full document
15
Detection of low bottom water oxygen concentrations in the North Sea; implications for monitoring and assessment of ecosystem health
... low oxygen concentrations in the strati- fied North Sea and other shelf ...with oxygen sensors and future implementation of the same capability on fish tags would provide an effective way of ... See full document
17
Hidden biosphere in an oxygen-deficient Atlantic open-ocean eddy: future implications of ocean deoxygenation on primary production in the eastern tropical North Atlantic
... Here, we present the first microbial community study from a deoxygenated anticyclonic modewater eddy in the open wa- ters of the ETNA. In the eddy, we observed significantly lower bacterial diversity compared to ... See full document
16
fugacity in the subpolar North Atlantic
... a) concentrations and mixed layer depth (MLD) estimates have been collocated with the f CO sw 2 ...The changes are synchronous with changes in chl-a concentrations and MLD, both of which are ... See full document
13
Late Pliocene to early Pleistocene millennial-scale climate fluctuations and sea-level variability: A view from the tropical Pacific and the North Atlantic
... The second part of this thesis focuses on changes in equatorial Pacific surface-water structure across iNHG to elucidate whether these are related to El Niño- and La Niña-like climate dynamics. The strong ... See full document
229
Abrupt North Atlantic circulation changes in response to gradual CO2 forcing in a glacial climate state
... Glacial climate is marked by abrupt, millennial scale climate changes, known as 12.. Dansgaard-Oeschger (DO) cycles.[r] ... See full document
22
Diapycnal oxygen supply to the tropical North Atlantic oxygen minimum zone
... hKi oxygen , a profile of diapycnal oxygen flux, h8i, and a profile of di- apycnal flux divergence – we assume that K can be treated as vertically homogeneous through the used depth interval 150 to 500 m ... See full document
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