[PDF] Top 20 CO 2maximum in the oxygen minimum zone (OMZ)
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CO 2maximum in the oxygen minimum zone (OMZ)
... physico-chemical CO 2 accumulation and deoxygenation in the CMZ-OMZ core It is in no way surprising to find DIC maxima associated with O 2 minima in subsurface, since remineralization de- grading organic matter ... See full document
14
Ocean deoxygenation and copepods: coping with oxygen minimum zone variability
... or (4) expanded or contracted their depth range within the mixed layer and upper part of the thermocline in associa- tion with the thickness of the aerobic epipelagic zone (habitat compression concept). These ... See full document
26
Extreme N 2O accumulation in the coastal oxygen minimum zone off Peru
... apparent oxygen utilization (AOU) could be found for measurements within the upper oxycline, with a slope similar to studies in other oceanic ...sharp oxygen gradients at the shelf, N 2 O maxima occurred in ... See full document
14
Following the N 2O consumption in the oxygen minimum zone of the eastern South Pacific
... characterized by O 2 concentrations as low as 2 nM at its core (Revsbech et al., 2009), being one of the most intense and shallow in the world ocean (upper boundary as shallow as 50 m; Morales et al., 1999). Recent ... See full document
8
Remote and local drivers of oxygen and nitrate variability in the shallow oxygen minimum zone off Mauritania in June 2014
... the oxygen distribution and variabil- ity off Mauritania ...the oxygen distribution and its variability will change in the future is thus of high ...intermediate oxygen maximum is missing (Duteil et ... See full document
20
Chromophoric and fluorescent dissolved organic matter in and above the oxygen minimum zone off Peru
... A. N. Loginova 1 , S. Thomsen 1 , and A. Engel 1 1 GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany Abstract As a result of nutrient upwelling, the Peruvian coastal system is one of the most productive ... See full document
18
An eddy-stimulated hotspot for fixed nitrogen-loss from the Peru oxygen minimum zone
... Abstract. Fixed nitrogen (N) loss to biogenic N 2 in intense oceanic O 2 minimum zones (OMZ) accounts for a large frac- tion of the global N sink and is an essential control on the ocean’s N-budget. However, major ... See full document
12
Nitrous oxide production by nitrification and denitrification in the Eastern Tropical South Pacific oxygen minimum zone
... euphotic zone and the top of the ODZ [Codispoti and Christensen, 1985; Lipschultz et ...euphotic zone, nitri fiers are inhibited by light and are not competitive in NH 4 ... See full document
10
Ammonium excretion and oxygen respiration of tropical copepods and euphausiids exposed to oxygen minimum zone conditions
... 97.93 CO 2 -minus Oxygen ...without CO 2 ...plus CO 2 and four replicates plus one animal-free control at 50 % air saturation minus CO 2 ...incubator. Oxygen concentrations in ... See full document
15
Controls on redox sensitive trace metals in the Mauritanian oxygen minimum zone
... 3.6.3 Other possible causes for TM variability From the comparison above, we can conclude that the vari- ations in Fe concentrations during repeated deployments were not caused by increased remineralization or changes in ... See full document
26
Metagenomic analysis of nitrogen and methane cycling in the Arabian Sea oxygen minimum zone
... maximum score (of a self-hit) for every read (Rasko, Myers & Ravel, 2005), we calculated the ratio between a hit against our database and a hit against the NCBI-NR database (NCBI non-redundant protein sequence ... See full document
29
Giant Hydrogen Sulfide Plume In The Oxygen Minimum Zone Off Peru Supports Chemolithoautotrophy
... anoxic zone (20 m), SUP05 was also the dominant taxon with ...sulfidic zone, the dominance of the GSO-group was even higher, reaching a maximum of 17% of all DNA sequences at 50 m (Figure 4 and ... See full document
19
Particle size distribution and estimated carbon flux across the Arabian Sea oxygen minimum zone
... Figure 8. Vertical profiles of SPM (c p , black curves) and total LPM (UVP total particles abundance, red curves) with oxygen concentration background (grey colour, for units see Fig. 4). The INL and DNL can be ... See full document
17
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
15
Benthic phosphorus cycling in the Peruvian oxygen minimum zone
... Our calculations revealed that within the core OMZ par- ticulate phosphorus rain rates cannot account for measured benthic P fluxes and burial fluxes. From systematic analysis of potential P sources, we conclude that ... See full document
20
Macrofaunal colonization across the Indian margin oxygen minimum zone
... and oxygen lev- els, and explored the possible influence of phytodetritus on the type and abundance of colonizing ...with oxygen and depth, there would be a significant difference in community composition ... See full document
17
Effect of oxygen minimum zone formation on communities of marine protists
... sequenced 18S rRNA gene sequences from Saanich Inlet, Cariaco Basin and Framvaren Fjord. 612[r] ... See full document
48
Remineralization of particulate organic carbon in an ocean oxygen minimum zone
... atmospheric CO 2 lower than if the ocean was ...in oxygen minimum zones ...ocean oxygen concentrations can have direct implications for atmospheric carbon seques- ... See full document
9
Benthic Nitrogen Cycling Traversing the Peruvian Oxygen Minimum Zone
... the oxygen deficient water of upwelling regions are commonly considered as sinks for DIN associated with high benthic NO 3 – ...low oxygen waters as sinks for DIN should be revised and, furthermore, DNRA ... See full document
62
Microbial ecology of anammox bacteria in estuarine and oxygen minimum zone environments
... However, despite the importance of these organisms, there is still much which is poorly understood about them, specifically the diversity and distribution of these bacteria and their controlling environmental factors. ... See full document
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