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Sedimentary phosphorus dynamics and the evolution of bottom-water hypoxia: A coupled benthic–pelagic model of a coastal system
Sedimentary phosphorus dynamics a coastal system
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2014/4/8
The present study examines oxygen and phosphorus dynamics at a seasonally hypoxic site in the Arkona basin
of the Baltic Sea. A coupled benthic–pelagic reactive-transport model is used to describe th...
Beyond the average: Diverse individual migration patterns in a population of mesopelagic jellyfish
Diverse individual migration patterns mesopelagic jellyfish
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2014/4/4
We examined the diel behavior among the jellyfish Periphylla periphylla in Lurefjorden, Norway in a sampling
campaign and by a . 3-month continuous acoustic study. Jellyfish distribution and behavior...
草甘膦结晶动力学研究
结晶动力学 草甘膦 溶解度 MSMPR
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2013/12/12
结晶动力学研究可以为结晶器设计、结晶过程放大和优化以及结晶过程控制提供重要的基础数据。测量了草甘膦在工业溶液中的溶解度与温度的关系;使用连续的混合悬浮、混合产品排出(mixed suspension mixed product remove, MSMPR) 理想结晶器,用外推法得到了草甘膦结晶粒度无关生长动力学模型以及粒度相关的生长动力学模型,并得到了成核速率模型。 实验表明:草甘膦的溶解度随温度...
营养盐传感器在海洋监测中的研究进展
营养盐 传感器 海洋监测
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2012/3/23
营养盐是海洋浮游植物生长所必需的物质基础。测定海水中营养盐的分布对于理解地球化学循环，预测藻华爆发等环境灾害有重要的意义。营养盐在线传感器在过去的几十年中取得了较大的进展。本文综述了营养盐传感器在海水监测中的研究进展，介绍和比较了不同营养盐传感器的检测原理、范围和检测限，并讨论了营养盐传感器的技术瓶颈和发展趋势。
Fluoride in coral aragonite related to seawater carbonate
coral, fluoride carbonate seawater temperature aragonite
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2017/8/9
In order to elucidate the controlling factors for fluoride incorporation into coral aragonite (CaCO3), we determined the ratio of fluorine to calcium (F/Ca) in coral skeletons collected from Pohnpei (...
The Mekong River plume fuels nitrogen fixation and determines phytoplankton species distribution in the South China Sea during low and high discharge season
The Mekong River plume fuels nitrogen fixation determines phytoplankton species distribution the South China Sea low and high discharge season
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2014/4/17
The influence of the Mekong River (South China Sea) on N2 fixation and phytoplankton distribution was investigated during the lowest- and highest-discharge seasons (April 2007 and September 2008, resp...
Dimethyl sulfoniopropionate and dimethyl sulfide production in response to photoinhibition in Emiliania huxleyi
Dimethyl sulfoniopropionate dimethyl sulfide production photoinhibition in Emiliania huxleyi
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2014/4/17
The response in intracellular dimethyl sulfoniopropionate (DMSP) and dissolved DMSP and dimethyl sulfide (DMS) concentrations when Emiliania huxleyi was exposed to acute (1-h) increases in photon flux...
Evidence for geochemical control of iron by humic substances in seawater
geochemical control iron by humic substances in seawater
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2014/4/17
A new method, based on the direct detection of iron-humic substance (HS) species by cathodic stripping voltammetry (CSV), is used to determine the iron binding capacity and complex stability of fulvic...
A methane bubble curtain in meromictic Sakinaw Lake, British Columbia
A methane bubble curtain meromictic Sakinaw Lake, British Columbia
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2014/4/17
Hydroacoustic surveys in meromictic Sakinaw Lake found an approximate 20-m-wide dual-column bubble curtain originating from a depth of 42–60 m all around the main basin at the interface between the ch...
A discrepancy between predictions of saturating nutrient uptake models and nitrogen-to-phosphorus stoichiometry in the surface ocean
saturating nutrient uptake models nitrogen-to-phosphorus stoichiometry the surface ocean
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2014/4/17
We derive a simple prediction about euphotic zone N : P stoichiometry from a large class of models that use saturating nutrient uptake functions to characterize N and P acquisition by phytoplankton. T...
High concentrations of mycosporine-like amino acids and colored dissolved organic matter in the sea surface microlayer off the Iberian Peninsula
High concentrations of mycosporine-like amino acids colored dissolved organic matter the sea surface microlayer off Iberian Peninsula
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2014/4/16
Mycosporine-like amino acids (MAAs), phytoplankton pigments, and inherent optical properties were analyzed in sea surface microlayer (SSM), near-surface (0–2 m), and subsurface (0–110 m) samples from ...
Potential carbon fixation via methane oxidation in well-oxygenated riverbed gravels
via methane oxidation well-oxygenated riverbed gravels
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2014/4/16
Due to a combination of local methanogenesis and high background concentrations in the groundwater, water
in the River Lambourn is 51 times supersaturated with methane (162 nmol CH4 L21
). Pore-wate...
Is a low EPA growth saturation threshold supported by the data presented inBecker and Boersma (2005)?
a low EPA growth saturation threshold the data presented in Becker Boersma
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2014/4/16
Becker and Boersma (2005) report on the effect of essential fatty acid and phosphorus limitation onDaphnia growth and reproduction. Their study reaches several novel and provocative conclusions includ...
Carbonate chemistry in the coastal zone responds more strongly to eutrophication than to ocean acidification
Carbonate chemistry in the coastal zone responds more strongly eutrophication ocean acidification
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2014/4/16
The accumulation of anthropogenic CO2in the ocean has altered carbonate chemistry in surface waters since preindustrial times and is expected to continue to do so in the coming centuries. Changes in c...
Isotope enrichment in mangrove forests separates microphytobenthos anddetritus as carbon sources for animals
Isotope enrichment mangrove ests separates microphy tobenthos anddetritus carbon sources animals
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2014/4/16
Microphytobenthos (MPB) and mangrove detritus were labeled with a carbonisotope (13C) in separate experiments to quantify their contributions to the nutrition of major faunal components within a mangr...