Relevant bibliographies by topics / Deep water flow; Ocean; Seawater

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'Deep water flow; Ocean; Seawater'

Author: Grafiati
Published: 4 June 2021
Last updated: 8 February 2022

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Journal articles on the topic "Deep water flow; Ocean; Seawater"

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Uchida, Tsutomu, Ike Nagamine, Itsuka Yabe, et al. "Dissolution Process Observation of Methane Bubbles in the Deep Ocean Simulator Facility." Energies 13, no. 15 (2020): 3938. http://dx.doi.org/10.3390/en13153938.

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To investigate the temperature dependency of the methane bubble dissolution rate, buoyant single methane bubbles were held stationary in a countercurrent water flow at a pressure of 6.9 MPa and temperatures ranging from 288 K to 303 K. The 1 to 3 mm diameter bubbles were analyzed by observation through the pressure chamber viewport using a bi-telecentric CCD camera. The dissolution rate in artificial seawater was approximately two times smaller than that in pure water. Furthermore, it was observed that the methane bubble dissolution rate increased with temperature, suggesting that bubble disso
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Nihous, Gérard C. "A Preliminary Assessment of Ocean Thermal Energy Conversion Resources." Journal of Energy Resources Technology 129, no. 1 (2006): 10–17. http://dx.doi.org/10.1115/1.2424965.

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Worldwide power resources that could be extracted from Ocean Thermal Energy Conversion (OTEC) plants are estimated with a simple one-dimensional time-domain model of the thermal structure of the ocean. Recently published steady-state results are extended by partitioning the potential OTEC production region in one-degree-by-one-degree “squares” and by allowing the operational adjustment of OTEC operations. This raises the estimated maximum steady-state OTEC electrical power from about 3TW(109kW) to 5TW. The time-domain code allows a more realistic assessment of scenarios that could reflect the
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Lu, Ling, Hong Pan, Wei Fan, and Yong Cai. "A Preliminary Study on Efficiency of Air-Lift Upwelling." Advanced Materials Research 422 (December 2011): 424–29. http://dx.doi.org/10.4028/www.scientific.net/amr.422.424.

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Upwelling of deep seawater using air-lift system to the region, where sunlight reaches, can produce the ocean farm since deep seawater contains high concentration of nutrient such as nitrogen and phosphorus. The efficiency of air-lift upwelling along a 300 mm diameter vertical pipe has been studied in this paper. Using a plexiglass pipe as the upwelling-pipe, a laboratory experiment was performed in a 4.5 m deep tank to obtain the flow rate ratio of water to gas. We also performed numerical experiments using commercial CFD software FLUENT 6.3 based on conditions of experiment. Both the experim
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Anthony, K. R. N., G. Diaz-Pulido, N. Verlinden, B. Tilbrook, and A. J. Andersson. "Benthic buffers and boosters of ocean acidification on coral reefs." Biogeosciences 10, no. 7 (2013): 4897–909. http://dx.doi.org/10.5194/bg-10-4897-2013.

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Abstract. Ocean acidification is a threat to marine ecosystems globally. In shallow-water systems, however, ocean acidification can be masked by benthic carbon fluxes, depending on community composition, seawater residence time, and the magnitude and balance of net community production (NCP) and calcification (NCC). Here, we examine how six benthic groups from a coral reef environment on Heron Reef (Great Barrier Reef, Australia) contribute to changes in the seawater aragonite saturation state (Ωa). Results of flume studies using intact reef habitats (1.2 m by 0.4 m), showed a hierarchy of res
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Anthony, K. R. N., G. Diaz-Pulido, N. Verlinden, B. Tilbrook, and A. J. Andersson. "Benthic buffers and boosters of ocean acidification on coral reefs." Biogeosciences Discussions 10, no. 2 (2013): 1831–65. http://dx.doi.org/10.5194/bgd-10-1831-2013.

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Abstract. Ocean acidification is a threat to marine ecosystems globally. In shallow-water systems, however, ocean acidification can be masked by benthic carbon fluxes, depending on community composition, seawater residence time, and the magnitude and balance of net community production (pn) and calcification (gn). Here, we examine how six benthic groups from a coral reef environment on Heron Reef (Great Barrier Reef, Australia) contribute to changes in seawater aragonite saturation state (Ωa). Results of flume studies showed a hierarchy of responses across groups, depending on CO2 level, time
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Yanagawa, Katsunori, Anja Breuker, Axel Schippers, et al. "Microbial Community Stratification Controlled by the Subseafloor Fluid Flow and Geothermal Gradient at the Iheya North Hydrothermal Field in the Mid-Okinawa Trough (Integrated Ocean Drilling Program Expedition 331)." Applied and Environmental Microbiology 80, no. 19 (2014): 6126–35. http://dx.doi.org/10.1128/aem.01741-14.

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ABSTRACTThe impacts of lithologic structure and geothermal gradient on subseafloor microbial communities were investigated at a marginal site of the Iheya North hydrothermal field in the Mid-Okinawa Trough. Subsurface marine sediments composed of hemipelagic muds and volcaniclastic deposits were recovered through a depth of 151 m below the seafloor at site C0017 during Integrated Ocean Drilling Program Expedition 331. Microbial communities inferred from 16S rRNA gene clone sequencing in low-temperature hemipelagic sediments were mainly composed of members of theChloroflexiand deep-sea archaeal
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WEI, GUANG-YI, HONG-FEI LING, DA LI, et al. "Marine redox evolution in the early Cambrian Yangtze shelf margin area: evidence from trace elements, nitrogen and sulphur isotopes." Geological Magazine 154, no. 6 (2017): 1344–59. http://dx.doi.org/10.1017/s0016756817000115.

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AbstractNitrogen is an essential element for biological activity, and nitrogen isotopic compositions of geological samples record information about both marine biological processes and environmental evolution. However, only a few studies of N isotopes in the early Cambrian have been published. In this study, we analysed nitrogen isotopic compositions, as well as trace elements and sulphur isotopic compositions of cherts, black shales, carbonaceous shales and argillaceous carbonates from the Daotuo drill core in Songtao County, NE Guizhou Province, China, to reconstruct the marine redox environ
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Archer, D. "A model of the methane cycle, permafrost, and hydrology of the Siberian continental margin." Biogeosciences Discussions 11, no. 6 (2014): 7853–900. http://dx.doi.org/10.5194/bgd-11-7853-2014.

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Abstract. A two-dimensional model of a passive continental margin was adapted to the simulation of the methane cycle on Siberian continental shelf and slope, attempting to account for the impacts of glacial/interglacial cycles in sea level, alternately exposing the continental shelf to freezing conditions with deep permafrost formation during glacial times, and immersion in the ocean in interglacial times. The model is used to gauge the impact of the glacial cycles, and potential anthropogenic warming in the deep future, on the atmospheric methane emission flux, and the sensitivities of that f
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Friðleifsson, Guðmundur Ó., Wilfred A. Elders, Robert A. Zierenberg, et al. "The Iceland Deep Drilling Project 4.5 km deep well, IDDP-2, in the seawater-recharged Reykjanes geothermal field in SW Iceland has successfully reached its supercritical target." Scientific Drilling 23 (November 30, 2017): 1–12. http://dx.doi.org/10.5194/sd-23-1-2017.

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Abstract. The Iceland Deep Drilling Project research well RN-15/IDDP-2 at Reykjanes, Iceland, reached its target of supercritical conditions at a depth of 4.5 km in January 2017. After only 6 days of heating, the measured bottom hole temperature was 426 °C, and the fluid pressure was 34 MPa. The southern tip of the Reykjanes peninsula is the landward extension of the Mid-Atlantic Ridge in Iceland. Reykjanes is unique among Icelandic geothermal systems in that it is recharged by seawater, which has a critical point of 406 °C at 29.8 MPa. The geologic setting and fluid characteristics at Reykjan
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Luz, Leticia G., Thiago P. Santos, Timothy I. Eglinton, et al. "Contrasting late-glacial paleoceanographic evolution between the upper and lower continental slope of the western South Atlantic." Climate of the Past 16, no. 4 (2020): 1245–61. http://dx.doi.org/10.5194/cp-16-1245-2020.

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Abstract. The number of sedimentary records collected along the Brazilian continental margin has increased significantly in recent years, but relatively few are located in shallow waters and register paleoceanographic processes in the outer shelf–middle slope prior to 10–15 ka. For instance, the northward flow up to 23–24∘ S of cold and fresh shelf waters sourced from the Subantarctic region is an important feature of current hydrodynamics in the subtropical western South Atlantic Ocean, and yet limited information is available for the long-term changes of this system. Herein, we considered a
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Dissertations / Theses on the topic "Deep water flow; Ocean; Seawater"

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Reynolds, Ben Christopher. "Neodymium and lead isotope time series from Atlantic ferromanganese crusts." Thesis, University of Oxford, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342540.

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AlMuhanna, Khalid A. "Acoustic modeshape inversion using deep water ambient noise measurements." Fairfax, VA : George Mason University, 2008. http://hdl.handle.net/1920/3214.

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Thesis (M.S.)--George Mason University, 2008.<br>Vita: p. 69. Thesis director: Kathleen E. Wage. Submitted in partial fulfillment of the requirements for the degree of Master of Science in Electrical Engineering. Title from PDF t.p. (viewed Aug. 27, 2008). Includes bibliographical references (p. 67-68). Also issued in print.
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Un, Ka Man. "Real-time ocean optical fiber sensing of phytoplankton for studies in size distribution, concentration and biomass." HKBU Institutional Repository, 1999. http://repository.hkbu.edu.hk/etd_ra/265.

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Clesi, Vincent. "Formation de la Terre et de Mars : étude expérimentale et numérique." Thesis, Clermont-Ferrand 2, 2016. http://www.theses.fr/2016CLF22750/document.

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La formation des noyaux planétaires métalliques est un évènement majeur pour l’évolution des propriétés physico-chimiques des planètes telluriques telles que nous les connaissons aujourd’hui. En effet, l’abondance des éléments sidérophiles (i.e. qui ont des affinités chimiques avec les phases métalliques) dans les manteaux planétaires s’explique par les conditions dans lesquelles se sont séparées les phases métalliques et silicatées. Au premier rang de ces conditions se trouvent la pression, la température et la fugacité d’oxygène. La distribution des éléments dans le noyau et le manteau ne pe
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Henderson, Samuel Straker. "Tracking deep-water flow on Eirik drift over the past 160 kyr linking deep-water changes to freshwater fluxes /." 2009. http://hdl.rutgers.edu/1782.2/rucore10001600001.ETD.000051018.

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Chen, Wang-Ching, and 陳旺卿. "Study on the planning and strategy of aquaculture industry using deep seawater--A Case Study of Dannanao Deep Ocean Water Park in Yilan County." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/9k9267.

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博士<br>國立臺灣大學<br>漁業科學研究所<br>107<br>Currently the utilization of deep ocean water (DOW or deep sea water/DSW) is receiving much attention due to its high added value with large quantity, high productivity and potential for recycling energy. Deep ocean water possesses three main characteristics: low temperature, cleanliness and nutrient richness. In eastern Taiwan, the steep coastal landforms make it a great potential to develop deep ocean water industry. In order to promote DOW related industry, Yilan County government in eastern Taiwan has established DOW Park in Nan&apos;&apos;ao Township. Tak
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Zoeller, Khalhela. "Insights into the distribution and mobility of metals in the sheeted dike complex formed at fast-spreading ridges (Pito Deep, EPR)." Thesis, 2014. http://hdl.handle.net/1828/5264.

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Hydrothermal fluid circulation is an important process in the formation and evolution of ocean crust. A tectonic window located at Pit Deep (NE corner Easter Microplate) provides an ideal location to examine a 3-dimensional view of ocean crust formed at the fast-spreading East Pacific Rise. This study focuses on the base metal (Cu, Ni, Mn, Co, Zn, and Pb) content of the bulk rock and mineral components in the sheeted dike complex. There is no observable trend of metal mobility with depth, geographic location, or dominant alteration phase. Secondary mineral analyses (using LA-ICP-MS) show that
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Book chapters on the topic "Deep water flow; Ocean; Seawater"

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Edmunds, W. M. "Silent Springs: Groundwater Resources Under Threat." In Managing Water Resources, Past and Present. Oxford University Press, 2004. http://dx.doi.org/10.1093/oso/9780199267644.003.0008.

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Springs are symbolic of the sustainability of life on earth. Since the earliest times flowing springs have been held as sacred and as a subject of awe and fascination. Subterranean water is identified in the creation myths on Babylonian tablets, where waters above the earth are separated from the ‘water of the deep’. The persistence of these creation myths is still reflected in the Arabic word ain or ayun, which has the double meaning of spring and eye (Issar 1991). Springs were the eyes of the gods. Springs (or fountains) were the focal point of many events in the Bible and other religious texts, and were the subject of veneration, as in Psalm 104: 10, ‘He sendeth the springs into the valleys, which run among the hills Modern scientific understanding of the origins of spring flow dates from the seventeenth century. The earliest explanations of the hydrological cycle, often termed the reversed hydrological cycle, probably stem from biblical sources (Ecclesiastes 1: 7). The unexplained constancy of the ocean volume was accounted for by the return of seawater through the rocks, which then purified them and returned the water to the surface as freshwater rivers and springs. This interpretation of the hydrological cycle persisted through the writings of ancient Greece and Rome as in Seneca’s Quaestiones Naturales and into the Middle Ages (Tuan 1968) until correctly explained by Edmond Halley(Halley 1691). In modern society spring waters are valued highly because they still embody an element of mystery and bring us face to face with the subsurface expression of the hydrological cycle or ‘groundwater’. There is also traditional belief that spring waters represent a source of perennial pure water. The properties of pure spring water command a high market value and in a world where tap water is (often wrongly) perceived as something less pure, the bottled water image-makers seek after evidence of the purity, longevity, and healing properties of the spring, with a zeal that echoes the reverence accorded to spring waters by early philosophers. The objective of this chapter is to explore the reasons for the decline of natural springs and the fragility of groundwater resources in general.
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"Water mass and tracer analysis of the deep flow in the Atlantic Ocean." In The Oceanic Thermohaline Circulation: An Introduction. Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-48039-8_4.

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Bayly, Brian. "Disequilibrium 1: Potential Gradients and Flows." In Chemical Change in Deforming Materials. Oxford University Press, 1993. http://dx.doi.org/10.1093/oso/9780195067644.003.0008.

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As in Chapter 2, so again here the intention is to review ideas that are already familiar, rather than to introduce the unfamiliar; to build a springboard, but not yet to leap off into space. The familiar idea is of flow down a gradient—water running downhill. Parallels are electric current in a wire, salt diffusing inland from the sea, heat flowing from the fevered brow into the cool windowpane, and helium diffusing through the membrane of a helium balloon. For any of these, we can imagine a linear relation: . . . Flow rate across a unit area = (conductivity) x (driving gradient) . . . where the conductivity retains a constant value, and if the other two quantities change, they do so in a strictly proportional way. Real life is not always so simple, but this relation serves to introduce the right quantities, some suitable units and some orders of magnitude. For present purposes, the second and fourth of the examples listed are the most relevant. To make comparison easier we imagine a barrier through which salt can diffuse and through which water can percolate, but we imagine circumstances such that only one process occurs at a time. Specifically, imagine a lagoon separated from the ocean by a manmade dike of gravel and sand 4 m thick, as in Figure 3.1. If the lagoon is full of seawater but the water levels on the two sides of the dike are unequal, water will percolate through the dike, whereas if the levels are the same and the dike is saturated but the lagoon is fresh water, salt will diffuse through but there will be no bulk flow of water. (More correctly, because seawater and fresh water have different densities, and because of other complications, the condition of no net water flow would be achieved in circumstances a little different from what was just stated. For present purposes all we need is the idea that conditions exist where water does not percolate but salt does diffuse.) For flow of water driven by a pressure gradient, suitable units are shown in the upper part of Table 3.1 and for diffusion of salt driven by a concentration gradient, suitable units are shown in the lower part.
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Janani, E. Srie Vidhya, and A. Rehash Rushmi Pavitra. "Cost Effective Smart Farming With FARS-Based Underwater Wireless Sensor Networks." In Handbook of Research on Implementation and Deployment of IoT Projects in Smart Cities. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-9199-3.ch018.

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Smart farming is a key to develop sustainable agriculture, involving a wide range of information and communication technologies comprising machinery, equipment, and sensors at different levels. Seawater, which is available in huge volumes across the planet, should find its optimal way through irrigation purposes. On the other hand, underwater wireless sensor networks (UWSNs) finds its way actively in current researches where sensors are deployed for examining discrete activities such as tactical surveillance, ocean monitoring, offshore analysis, and instrument observing. All these activities are based on a radically new type of sensors deployed in ocean for data collection and communication. A lightweight Hydro probe II sensor quantifies the soil moisture and water flow level at an acknowledged wavelength. The freshwater absorption repository system (FARS) is matured based on the mechanics of UWSNs comprised of SBE 39 and pressure sensor for analyzing atmospheric pressure and temperature. This necessitates further exploration of FARS to complement smart farming. Discrete routing protocols have been designed for data collection in both compatible and divergent networks. Clustering is an effective approach to increase energy efficient data transmission, which is crucial for underwater networks. Furthermore, the chapter attempts to facilitate seawater irrigation to the farm lands through reverse osmosis (RO) process. Also, the proposed irrigation pattern exploits residual water from the RO process which is identified to be one among the suitable growing conditions for salicornia seeds and mangrove trees. Ultimately, the cost-effective technology-enabled irrigation methodology suggested offers farm-related services through mobile phones that increase flexibility across the overall smart farming framework.
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Bowers, David George, and Emyr Martyn Roberts. "4. The tide in shelf seas." In Tides: A Very Short Introduction. Oxford University Press, 2019. http://dx.doi.org/10.1093/actrade/9780198826637.003.0004.

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‘The tide in shelf seas’ describes progressive waves, standing waves, and what happens when a shelf sea is in resonance, using the example of the Gulf of St Vincent off the south Australian coast. It also considers the effect of Earth rotation and tides in shallow water, where the rare feature is double high water or double low water. The great ocean basins are bordered by shallow seas lying on the continental shelves. Shelf seas are generally less than 200 metres deep and vary in width from almost nothing to hundreds of kilometres. It is in these shallow seas and the rivers that flow into them that the most spectacular tides are found.
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Sherratt, Thomas N., and David M. Wilkinson. "Why is the Sea Blue?" In Big Questions in Ecology and Evolution. Oxford University Press, 2009. http://dx.doi.org/10.1093/oso/9780199548606.003.0012.

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One answer to this chapter’s question is straightforward and based on high-school physics. The early SCUBA divers quickly discovered that if they took underwater colour photographs, even if they were only a few metres down, their pictures had a strong blue cast to them. However, if they illuminated their subjects with a flash, then a more colourful world emerged in their pictures—especially if they were photographing the rich diversity of highly coloured fish that can be found in some parts of the tropics. The reason for the blueness is that as sunlight passes through water the colours of the spectrum are absorbed at different rates, with the long wavelengths (e.g. red) absorbed first and the higher-energy shorter wavelengths (e.g. blue) penetrating deeper into the depths. It follows that underwater available light is predominantly blue and that any light reflected from within the water body is more likely to be from the bluer end of the spectrum of visible light. So, light coming from the sea to our eyes is mainly blue because these wavelengths are least absorbed; indeed oceanographers who have studied some of the cleanest waters describe them as looking ‘violet blue’. As biologists we are interested in a more ecological answer to the question, ‘Why is the sea blue’? The physics explanation only works if seawater is reasonably clear, and it is this clarity that biologists need to explain. Consider our opening quotation, which comes from Peter Matthiessen’s book describing early attempts to film the great white shark in its natural habitat. It raises an interesting ecological question—why can a SCUBA diver or snorkeler see where they are going in the ocean? Put another way, why is the sea blue rather than green? The upper layer of the ocean with enough light for photosynthesis is called the euphotic zone (defined as extending down to the point where only 1% of photosynthetically usable light is present compared with surface light levels); this is often only a few tens of metres deep, but in extremely clear water near Easter Island in the Pacific it has recently been found to extend down to 170 m depth.
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Bianchi, Thomas S. "Estuarine Science and Biogeochemical Cycles." In Biogeochemistry of Estuaries. Oxford University Press, 2006. http://dx.doi.org/10.1093/oso/9780195160826.003.0006.

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Estuaries are commonly described as semi-enclosed bodies of water, situated at the interface between land and ocean, where seawater is measurably diluted by the inflow of freshwater (Hobbie, 2000). The term “estuary,” derived from the Latin word aestuarium, means marsh or channel (Merriam-Webster, 1979). These dynamic ecosystems have some of the highest biotic diversity and production in the world. Not only do they provide a direct resource for commercially important estuarine species of fishes and shellfish, but they also provide shelter and food resources for commercially important shelf species that spend some of their juvenile stages in estuarine marshes. For example, high fish and shellfish production in the northern Gulf of Mexico is strongly linked with discharge from the Mississippi and Atchafalaya rivers and their associated estuarine wetlands (Chesney and Baltz, 2001). Commercial fishing in this region typically brings in 769 million kg of seafood with a value of $575 million. Fisheries production and coastal nutrient enrichment, via rivers and estuaries, are positively correlated within many coastal systems around the world (Nixon et al., 1986; Caddy, 1993; Houde and Rutherford, 1993). The coupling of physics and biogeochemistry occurs at many spatial scales in estuaries (figure 1.1; Geyer et al., 2000). Estuarine circulation, river and groundwater discharge, tidal flooding, resuspension events, and exchange flow with adjacent marsh systems (Leonard and Luther, 1995) all constitute important physical variables that exert some level of control on estuarine biogeochemical cycles. There has been considerable debate about the definition of an estuary because of the divergent properties found within and among estuaries from different regions of the world. Consequently, there have been numerous attempts to develop a comprehensive and universally accepted definition. Pritchard (1967, p. 1) first defined estuaries based on salinity as “semi-enclosed coastal bodies of water that have a free connection with the open sea and within which sea water is measurably diluted with fresh water derived from land drainage.” A general schematic representation of an estuary, as defined by Pritchard (1967), and further modified by Dalrymple et al. (1992) to include more physical and geomorphological processes, is shown in figure 1.2.
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Bethke, Craig M. "Geochemical Kinetics." In Geochemical Reaction Modeling. Oxford University Press, 1996. http://dx.doi.org/10.1093/oso/9780195094756.003.0018.

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To this point we have measured reaction progress parametrically in terms of the reaction progress variable ξ, which is dimensionless. When in Chapter 11 we reacted feldspar with water, for example, we tied reaction progress to the amount of feldspar that had reacted and expressed our results along that coordinate. Studying reactions in this way is in many cases perfectly acceptable. But what if we want to know how much time it took to reach a certain point along the reaction path? Or, when modeling the reaction of granite with rainwater, how can we set the relative rates at which the various minerals in the granite dissolve? In such cases, we need to incorporate reaction rate laws from the field of geochemical kinetics. The differences between the study of thermodynamics and kinetics might be illustrated (e.g., Lasaga, 198la) by the analogy of rainfall on a mountain. On the mountaintop, the rainwater contains a considerable amount of potential energy. With time, it flows downhill, losing energy (to be precise, losing hydraulic potential, the mechanical energy content of a unit mass of water; Hubbert, 1940), until it eventually reaches the ocean, its lowest possible energy level. The thermodynamic interpretation of the process is obvious: the water seeks to minimize its energy content. But how long will it take for the rainfall to reach the ocean? The rain might enter a swift mountain stream, flow into a river, and soon reach the sea. It might infiltrate the subsurface and migrate slowly through deep aquifers until it discharges in a distant valley, thousands of years later. Or, perhaps it will find a faster route through a fracture network or flow through an open drill hole. There are many pathways, just as there are many mechanisms by which a chemical reaction can proceed. Clearly, the questions addressed by geochemical kinetics are more difficult to answer than are those posed in thermodynamics. In geochemical kinetics, the rates at which reactions proceed are given (in units such as moles/sec or moles/yr) by rate laws, as discussed in the next section. Kinetic theory can be applied to study reactions among the species in solution.
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Conference papers on the topic "Deep water flow; Ocean; Seawater"

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Haraldsen, Kristian. "Unique Long Term Simulated Service Testing of Selected Deep Water Wet Insulation Coating Systems." In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/omae2013-10630.

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The oil and gas industry is moving to deeper water developments and thermal insulation of pipelines at 2–3000 meter water depths is required. Wet thermal insulation systems are exposed directly to the seawater and large hydrostatic water pressure in combination with high fluid temperatures challenge the integrity of the insulation systems. The thermal insulation properties of the insulation system can be gradually decreased by thermal and physical strains and challenge the flow assurance if not taken into account in the design. Wet thermal insulation systems have traditionally been qualified f
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Xiang, Sherry, Peimin Cao, Jingxi He, Steve Kibbee, and Sean Bian. "Water Intake Riser Model Test and Numerical Calibration." In ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/omae2015-42248.

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A model test campaign of a large diameter water intake riser (WIR) has been planned, designed, and successfully executed in an offshore model basin. The objective of the model test is to better understand the global dynamic behavior of WIR, and thus advance its design. The scopes of the model test are to measure the response of the riser under floater motions; investigate the effect of the internal water and flow rate; and observe any vortex-induced-vibration (VIV) and axial instability due to motion and / or internal flow. The paper presents the model test results and the numerical calibratio
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Udegbunam, John Emeka, Dan Sui, Fatemeh Moeinikia, et al. "A Transient Flow Model for Predicting Pressure Buildup in Closed Annuli." In ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/omae2017-61209.

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The annuli between two casings can be closed or open to formation. After completion, the temperature of the annular fluids will be close to the formation temperature. This is because it will take some time for the well to begin to exchange heat with the produced fluids from the reservoir. If the well is located in deep water, the wellhead temperature will be equal to the bottom seawater temperature. At the start of production, warm reservoir fluids will be transported upward to the surface. This will transport heat to the upper part of the well and heat up fluids in the closed annuli. Because
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Wayne Turner, M., John G. Cleland, and John Baker. "Seawater Activated Power System (SWAPS): Energy for Deep Water Detection, ocean platforms, buoys, surface craft and submersibles." In OCEANS 2011. IEEE, 2011. http://dx.doi.org/10.23919/oceans.2011.6107018.

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Ding, Qian, Baojiang Sun, Zhiyuan Wang, et al. "Rheological Properties of Water-Based Drilling Fluids in Deep Offshore Conditions." In ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-96719.

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Abstract In deep-water drilling, the drilling fluid is affected by the alternating temperature field derived from the low temperature of the seawater and the high temperature of the formation. The complicated wellbore temperature and pressure environments make the prediction of rheological properties of the drilling fluid difficult. In this study, the rheological properties of water-based drilling fluid in full temperature and pressure range of deep-water conditions were tested from 2 to 150 °C (35.6 to 302 °F) and 0.1 to 70 MPa (14.5 to 10000psi). The experiment was carried out by the OFI130-
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Zhao, Jian, Zhimin Tan, and Terry Sheldrake. "Deep Water Carcass Development: Effects of Carcass Profile on Collapse Resistance." In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/omae2013-11321.

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The increasing application of flexible pipes in deep water requires extension of the product’s capability through higher design pressures with large diameters, while one of the most important structural capacities is collapse resistance. In addition to the introduction of new materials and manufacturing capability, the carcass structure is also expected to be optimized for maximum purpose. The carcass is an interlocked metallic construction that is used as the innermost layer to prevent for example, either totally or partially, the collapse of the internal pressure sheath due to decompression,
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Giraldo, Diego Garcia, and Ronald W. Yeung. "The Deep-Water-Horizon Spill: Flow-Rate Estimation Based on Satellite Images." In ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/omae2012-84153.

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The “Deep Water Horizon” Mobil Offshore Drilling Unit (MODU) is one of several classes of floatable drilling machines. As a consequence of the accident on April 20, 2010, the worst ecological disaster with regard to oil spills in the US history was generated in the Gulf of Mexico, causing extensive damage to marine and wildlife habitats, as well as the Gulf’s fishing and tourism industries. Since that moment, experts are trying to estimate the total amount of oil being lost into the sea. The objective of this presentation is to report a procedure developed in the first author’s thesis1 an inde
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Gotoh, Koji, Tetsuya Ueda, Koji Murakami, and Tomoaki Utsunomiya. "Wear Performance of Mooring Chain in Wet Environment With Substitute Ocean Water." In ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-95822.

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Abstract Floating wind turbine facilities installed in deep sea areas play an essential role in the promotion of green energy. One of the problems associated with the commercialization of facilities installed in the deep sea is the maintenance cost of mooring chains, because they are expensive and wear between links leads to chain breakage. Therefore, it is necessary to establish a quantitative wear evaluation method for mooring chains. An experimental facility to reproduce the wear caused by sliding between links at the scale of an actual floating wind turbine was developed to investigate the
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Hasan, A. Rashid, Rayhana N. Sohel, and Xiaowei Wang. "Estimating Zonal Flow Contributions in Deep Water Assets From Pressure and Temperature Data." In ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/omae2017-62537.

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Producing hydrocarbon from deep water assets is extremely challenging and expensive. A good estimate of rates from multiple pay zones is essential for well monitoring, surveillance, and workover decisions. Such information can be gleaned from flowing fluid pressure and temperature; deep-water wells are often well instrumented that offers such data on a continuous basis. In this study a model is presented that estimates zonal flow contributions based on energy and momentum balances. Kinetic and heat energy coming from the reservoir fluid to the production tubing is accounted for in the model. T
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Liu, Depeng, Shangmao Ai, and Liping Sun. "Dynamic Modelling of Deep-Water Riser With Slug Flow Based on ALE-ANCF." In ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/omae2020-18109.

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Abstract The internal flow in gas-liquid mixing riser often displays a flow pattern known as slug flow, in which gas and liquid are alternately distributed. Dynamic effects due to slug flow is normally most obvious in areas along the riser with high curvature, which is caused by the centrifugal load component. The global riser response to this excitation can be predicted by nonlinear time domain analysis using the load model as described for slug flow conditions. In this study, the riser with internal slug flow is modeled under the framework of Arbitrary-Lagrange-Euler (ALE) description by usi
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Reports on the topic "Deep water flow; Ocean; Seawater"

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Beck, Aaron. RiverOceanPlastic: Land-ocean transfer of plastic debris in the North Atlantic, Cruise No. AL534/2, 05 March – 26 March 2020, Malaga (Spain) – Kiel (Germany). GEOMAR Helmholtz Centre for Ocean Research Kiel, 2020. http://dx.doi.org/10.3289/cr_al534-2.

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Cruise AL534/2 is part of a multi-disciplinary research initiative as part of the JPI Oceans project HOTMIC and sought to investigate the origin, transport and fate of plastic debris from estuaries to the oceanic garbage patches. The main focus of the cruise was on the horizontal transfer of plastic debris from major European rivers into shelf regions and on the processes that mediate this transport. Stations were originally chosen to target the outflows of major European rivers along the western Europe coast between Malaga (Spain) and Kiel (Germany), although some modifications were made in r
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You might also be interested in the extended bibliographies on the topic 'Deep water flow; Ocean; Seawater' for particular source types:
Journal articles
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