نتایج جستجو برای: deep seawater
تعداد نتایج: 223348 فیلتر نتایج به سال:
The depth to which seawater and fresh water circulate through modern carbonate platforms may be estimated with Sr/Sr isotope ratios of dissolved Sr that is enriched through carbonate mineral dissolution and recrystallization. In 23 water samples from onshore San Salvador Island and Long Island, Bahamas, carbonate mineral dissolution and aragonite-to-calcite transformations elevate Sr concentrat...
The release into the deep ocean of an emulsion of liquid carbon dioxide-in-seawater stabilized by fine particles of pulverized limestone (CaCO3) is modeled. The emulsion is denser than seawater, hence, it will sink deeper from the injection point, increasing the sequestration period. Also, the presence of CaCO3 will partially buffer the carbonic acid that results when the emulsion eventually di...
A recent proposal to store anthropogenic carbon dioxide in the deep ocean is assessed here with regard to the impacts on deep-living fauna. The stability of the deep-sea has allowed the evolution of species ill-equipped to withstand rapid environmental changes. Low metabolic rates of most deep-sea species are correlated with low capacities for pH buffering and low concentrations of ion-transpor...
Pseudoalteromonas sp. strain XI10 was isolated from the brine-seawater interface of Erba Deep in the Red Sea, Saudi Arabia. Here, we present the draft genome sequence of strain XI10, a gammaproteobacterium that synthesizes polysaccharides for biofilm formation when grown in liquid culture.
Objective: To develop an experimental technique whereby fatigue properties of newly developed hlgher strength steels, as are critical to deep water structural concepts, can be more rapidly and efficiently evaluated, and to use the technique to determine the influence of steel composition and microstructure potential and stress ratio on crack propagation behavior of these steels in natural seawa...
The shallow-water hydrothermal system in Tutum Bay on the west side of Ambitle Island, Papua New Guinea provides us with an exceptional opportunity to study isotope systematics in a near shore setting. Compared to seawater, the hydrothermal fluids in Tutum Bay have lower values for dD, dO, dC, and Sr and higher values for H, d34S(SO4) and d 18O(SO4). The dO and dD records for vents 1 and 4 indi...
Oceanibaculum indicum type strain P24 was isolated from a polycyclic-aromatic-hydrocarbon-degrading consortium enriched from a deep-seawater sample collected from the Indian Ocean. Here we present the draft genome of strain P24(T), which contains 3,952,792 bp with a G+C content of 65.5% and contains 3,755 protein-coding genes and 45 tRNAs.
Phaeobacter sp. strain JL2886, isolated from deep seawater of the South China Sea, can catabolize d-amino acids. Here, we report the complete genome sequence of Phaeobacter sp. JL2886. It comprises ~4.06 Mbp, with a G+C content of 61.52%. A total of 3,913 protein-coding genes and 10 genes related to d-amino acid catabolism were obtained.
Spectroscopy is emerging as a technique that can expand the envelope of modern oceanographic sensors. The selectivity of spectroscopic techniques enables a single instrument to measure multiple components of the marine environment and can form the basis for versatile tools to perform in situ geochemical analysis. We have developed a deep-sea laser-induced breakdown spectrometer (ChemiCam) and s...
Thalassospira sp. strain KO164 was isolated from eastern Mediterranean seawater and sediment laboratory microcosms enriched on insoluble organosolv lignin under oxic conditions. The near-complete genome sequence presented here will facilitate analyses into this deep-ocean bacterium's ability to degrade recalcitrant organics such as lignin.
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