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Dissertations / Theses on the topic 'Sediment characteristics'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Suedel, Burton C. (Burton Craig). "Sediment Characteristics and Bioavailability of Sorbed Neutral Organic Compounds." Thesis, University of North Texas, 1989. https://digital.library.unt.edu/ark:/67531/metadc500652/.

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Several sediment characteristics were analyzed to determine their suitability for use as potential normalization factors for the bioavailability of neutral organic compounds sorbed to sediments. Percent organic carbon, cation exchange capacity and particle surface area were measured sediment characteristics that varied sufficiently to encompass the range in observed sediment toxicity. Laboratory sediment toxicity test data using fluoranthene suggest that there is no biologically significant correlation between sediment toxicity and sediment characteristics (organic carbon, cation exchange capa

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2

Fugate, David C. "Estuarine suspended aggregate dynamics and characteristics." W&M ScholarWorks, 2002. http://www.vims.edu/physical/projects/CHSD/publications/reports/F2002%5FPHD.pdf.

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3

Boyd, Sheree. "Benthic invertebrate assemblages and sediment characteristics." Click here to access this resource online, 2009. http://hdl.handle.net/10292/727.

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Cold seep ecosystems in the deep sea are fuelled by chemosynthetic processes based on methane emission to the sediment surface from gas hydrate disassociation, methanogenesis or thermogenic processes. While cold seep ecosystems have been studied in the last three decades worldwide, little is known about New Zealand’s cold seep habitats and associated fauna. A joint German-New Zealand cruise to the Hikurangi Margin in early 2007 enabled biological and sediment sampling to investigate the biological and sedimentological relationships and variability of seeps and their faunal diversity. Multi-dis

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4

Ravisangar, Vasuthevan. "The role of sediment chemistry in stability and resuspension characteristics of cohesive sediments." Diss., Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/20722.

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5

Chanyotha, Seree 1956. "Some river characteristics dependent on sediment transport." Thesis, The University of Arizona, 1988. http://hdl.handle.net/10150/191975.

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The characteristics and behavior of rivers depend on numerous factors which are highly variable and complex. Sediment characteritics and sediment-transport capacity of rivers are important factors that influence river characteristics. Significant amounts of ground-water inflowing to or outflowing from a river reach affect flow characteristics of that reach, which in turn alter the capability of the reach for transporting sediment and result in changed river characteristics. In addition, inflow from a tributary carrying a sediment load with the same concentration as the main stream increases th

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6

Wang, Zhanxian. "Improved representation of cross-shore sediment transport characteristics /." Licensed for access by UF students, faculty, and staff (and others in a UF library), 2004. http://wwwlib.umi.com/cr/ufl/fullcit?p3135226.

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7

Wang, Yung-Chieh (Becky). "Effects of physical properties and rheological characteristics on critical shear stress of fine sediments." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/51723.

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During high flow rates, the acceleration of flow and turbulence around bridge foundations lead to scouring, defined as the removal of bed sediments. Due to the interparticle physico-chemical forces of clay particles, erodibility and transport mechanisms for fine sediments are different from those for coarse sediments, and the capability to predict the erosion resistance of fine sediments is still in question. In this study, silt-clay soil mixtures with different kaolin contents were prepared by mixing ground silica and Georgia kaolin with tap water. Geotechnical tests were carried out to obtai

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8

Wyness, Adam James. "The influence of sediment characteristics on the abundance and distribution of E. coli in estuarine sediments." Thesis, University of St Andrews, 2017. http://hdl.handle.net/10023/10158.

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Microbiological water quality monitoring of bathing waters does not account for faecal bacteria in sediments. Intertidal deposits are a significant reservoir of faecal bacteria and this indicates there is a risk to human health through direct contact with the sediment, or through the resuspension of bacteria to the water column. This project investigated factors influencing the relative abundance of faecal indicator organisms (FIOs) in intertidal estuarine sediments. The effects of physical, biogeochemical and biological sediment characteristics, environmental variables and native microbial co

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9

Mahgoub, Abdelmagid. "Characteristics and mechanics of subaqueous debris flows /." Internet access available to MUN users only, 1998. http://collections.mun.ca/u?/theses,36691.

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10

Phillips, John Mansell. "The effective particle size characteristics of fluvial suspended sediment." Thesis, University of Exeter, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.296287.

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11

Beckers, Felix [Verfasser], and Silke [Akademischer Betreuer] Wieprecht. "Investigations on functional relationships between cohesive sediment erosion and sediment characteristics / Felix Beckers ; Betreuer: Silke Wieprecht." Stuttgart : Universitätsbibliothek der Universität Stuttgart, 2021. http://d-nb.info/1239648766/34.

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12

Otoo, James Nii Aboh. "Suspended Sediment Transport Dynamics and Sediment Yields in Relation to Watershed Characteristics, Upper Green River Basin, Kentucky." TopSCHOLAR®, 2010. http://digitalcommons.wku.edu/theses/158.

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Sediment delivery is a major problem in the Green River, Kentucky, home of 71 of the state’s 103 known mussel species and 151 fish species. The river also provides water for many of its surrounding counties. This research focuses on how suspended sediment loads, grain size, and sediment concentration during runoff events are related to watershed characteristics. The research characterized suspended sediment loads, grain size, and sediment concentration during runoff events and how they were related to watershed characteristics such as hydro-climatic regime, watershed size, geology and soils,

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13

Gabriel, Christopher L. "The physical characteristics of bottom sediment near Sur Ridge, California." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2001. http://handle.dtic.mil/100.2/ADA391676.

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Thesis (M.S. in Meteorology and Physical Oceanography) Naval Postgraduate School, March 2001.<br>Thesis advisors, H. Gary Greene, Ching-Sang Chiu, Curtis A. Collins. Includes bibliographical references (p. 165-167). Also Available online.

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14

Filostrat, John E. "Estimation of Sediment Resuspension and Deposition in Coastal Waters." ScholarWorks@UNO, 2014. http://scholarworks.uno.edu/td/1796.

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The Louisiana Gulf Coast is a dynamic system of heavy influence on the cultures that live and prosper around it. Land in this area is in jeopardy of being lost. In 2017, the Coastal Protection and Restoration agency will issue a new State Master and this thesis provides a more intricate way of numerically predicting the behaviors of associated sediments. A model for the estimation of resuspension and deposition is proposed and prepared for integration into the existing model. The silt and clay fractions of the bed sediment and the sediment inflow were modeled by the widely used hydrodynamic mo

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15

Lavallee, Katherine. "Suspended Cohesive Particle Characteristics in the Connecticut River Estuary." Thesis, Boston College, 2017. http://hdl.handle.net/2345/bc-ir:107936.

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Thesis advisor: Gail C. Kineke<br>To determine the role of cohesive suspended particle characteristics on sediment transport patterns in an energetic estuary floc size, density, and settling velocity were investigated in the Connecticut River estuary over three years spanning varying fluvial discharge regimes. Concurrent measurements of in-situ floc size, flow, bed stress, salinity and suspended-sediment concentration (SSC) were used to identify primary influences on floc size variability. Water discharge ranged from 202 to 910 m³/s between the three sampling campaigns, and the timing of major

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16

Bale, Anthony John. "The characteristics, behaviour and heterogeneous chemical reactivity of estuarine suspended particles." Thesis, University of Plymouth, 1987. http://hdl.handle.net/10026.1/1721.

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17

Kirk, Alastair James. "Relationships between sediment, moisture and soil crust characteristics in arid environments." Thesis, Durham University, 1997. http://etheses.dur.ac.uk/1051/.

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From a geomorphological point of view, and environments are characterised by complex process interactions and suites of landforms which can be sensitive to their controlling parameters. Relationships between sediment, moisture and soil crust characteristics are no exception. Field research and a programme of laboratory study were undertaken between 1993 and 1995 on the soils of the northern Badia of Jordan to advance knowledge on aspects of and zone soil dynamics, with a particular emphasis on crusting. The research focuses primarily on the effect soil crusts have upon the equilibrium of sedim

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18

Landers, Mark Newton. "Fluvial suspended sediment characteristics by high-resolution, surrogate metrics of turbidity, laser-diffraction, acoustic backscatter, and acoustic attenuation." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/43747.

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Sedimentation (erosion, transport, and deposition) is a primary and growing environmental, engineering, and agricultural issue around the world. However, collection of the data needed to develop solutions to sedimentation issues has declined by about three-fourths since 1983. Suspended-sediment surrogates have the potential to obtain sediment data using methods that are more accurate, of higher spatial and temporal resolution, and with less manually intensive, costly, and hazardous methods. The improved quality of sediment data from high-resolution surrogates may inform improved understanding

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19

Droppo, Ian Gerald. "Characteristics of suspended and bottom sediment in natural and engineered freshwater systems." Thesis, University of Exeter, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.302556.

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20

Robertson, Davina Jane. "An investigation into the petrographic and geochemical characteristics of road-deposited sediment." Thesis, Manchester Metropolitan University, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.412830.

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21

Shaw, Gregory Alan. "Rehabilitation of the Orange River Mouth Salt Marsh : seed, wind and sediment characteristics." Thesis, Nelson Mandela Metropolitan University, 2007. http://hdl.handle.net/10948/603.

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The Orange River is an important source of freshwater and like many other wetlands in semi-arid regions, supports various social (Spurgeon, 1998), economic (Spurgeon, 1998; Bornman et al., 2005) and ecological functions. The saltmarsh at the Orange River Mouth has become degraded over time following numerous anthropogenic impacts. As a result the Transboundary RAMSAR site was placed on the Montreux record emphasising the importance for rehabilitation. The potential of the marsh for natural rehabilitation was assessed through three physical factors which were considered to have the most influen

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22

Fischer, Sandra. "Sensitivity of sediment transport on river characteristics in the large, braided Brahmaputra River." Thesis, Stockholms universitet, Institutionen för naturgeografi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-118443.

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Erosional issues in the Brahmaputra River in the eastern Himalayas pose increasing pressure on the nearby societies and ecosystems. With a proceeding climate change and increasing anthropogenic disturbance, predictive models are needed to evaluate the effect on sediment transport. Especially in braided rivers, like the Brahmaputra, sediment transport processes imply high demands on numerical models. The objective is therefore to assess the sensitivity of sediment transport on changed river characteristics in the Brahmaputra River, in order to qualitatively evaluate future possible dynamics. Th

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23

Acharya, Lok P. "Chemical and Physical Characteristics of Mahoning River Sediment Before and After Fungal Bioremediation." Youngstown State University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1211558693.

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24

Acharya, Lok. "Chemical and physical characteristics of Mahoning River sediment before and after fungal bioremediation /." Connect to resource online, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1211558693.

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25

Molesky, Thomas J. "Interactions between oyster reefs and adjacent sandflats : effects on microphytobenthos and sediment characteristics /." Electronic version (Microsoft Word), 2003. http://dl.uncw.edu/etd/2003/moleskyt/tommolesky.doc.

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26

Harsanto, Puji. "Erosion Characteristics of Cohesive Sediment Bed and Bank, and Their Effects on River Morphology." 京都大学 (Kyoto University), 2012. http://hdl.handle.net/2433/160989.

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27

Ren, Qunyan. "Remote sensing of sediment characteristics from the noise field due to a moving ship." Doctoral thesis, Universite Libre de Bruxelles, 2015. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/222087.

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Qun-yan Ren received his Diploma in Electronic and Information Engineering, master degree in Underwater Acoustics Engineering both from Harbin Engineering University (HEU) in 2006 and 2009, respectively. Then he became a PhD student at the Environmental Hydroacoustics Laboratory, Ecole polytechnique de Bruxelles, Faculty of Applied Sciences, Universitie libre de Bruxelles (U.L.B.), Belgium, in co-tutelle with the National Key Laboratory of Underwater Acoustic Technology, HEU, China, under the co-supervision of Prof. Jean-Pierre Hermand and Prof. Piao Shengchun from U.L.B. and HEU, respectively

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28

Ho, Hao-Che. "Investigation of unsteady and non-uniform flow and sediment transport characteristics at culvert sites." Diss., University of Iowa, 2010. https://ir.uiowa.edu/etd/814.

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The present study is an integral part of a broader study focused on the design and implementation of self-cleaning culverts, i.e., configurations that prevent the formation of sediment deposits after culvert construction or cleaning. Sediment deposition at culverts is influenced by many factors, including the size and characteristics of material of which the channel is composed, the hydraulic characteristics generated under different hydrologic events, the culvert geometry design, channel transition design, and the vegetation around the channel. The multitude of combinations produced by this s

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29

Yilmaz, Aslican Nazli. "Hydraulic Characteristics Of Tyrolean Weirs." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612780/index.pdf.

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Tyrolean type water-intake structures are widely used on mountain rivers to provide water to hydropower stations. The main concern encountered in these kinds of structures is the amount of water diverted from the main channel and sediment carried by this flow. The diverted flow should not be less than the design discharge of the hydropower station and the amount of the sediment entering the hydraulic system should be minimum. In this study a physical model of a Tyrolean weir was constructed at the Hydromechanics Laboratory and by varying the dimensions of the various components of this system<

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30

Ankers, Claire. "An investigation of the influence of catchment characteristics and source material on suspended sediment properties." Thesis, University of Exeter, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275897.

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31

Ackerley, David Mark Roger. "The characteristics and morphodynamics of sedimentary structure in gravel-bed rivers : implications for sediment entrainment." Thesis, University of Leicester, 2018. http://hdl.handle.net/2381/43066.

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While Earth Scientists acknowledge that bed structure influences flow resistance and sediment transport, relatively little is known about the structural properties of water-worked gravel beds and how bed structure influences particle stability. To address this concern, this research first explored the structural characteristics of 11 representative patches from nine gravel bars from six humid temperate and two dryland rivers. Streambed microtopography was analysed using a suite of statistical metrics, including bed elevation moments, variograms and local inclination, slope and aspect. To inves

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32

Mebust, Christine M. "Analysis of Sedimentation Characteristics of Dredge Sediment Used in Coastal Restoration and Marsh Creation Projects." ScholarWorks@UNO, 2015. http://scholarworks.uno.edu/td/1988.

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There is a demand to reestablish a healthy coastal ecosystem by rebuilding wetlands with river diversion or dredged sediments in coastal Louisiana. Land building projects using dredged sediments from adjacent canals and river beds, can be used to protect the coastal properties and infrastructure systems from flood and storm surges. To predict the sediment’s long term behavior, math models require input parameters based on sediment engineering properties and material characteristics. Proper characterization is critical for accurate design of coastal restoration projects. The dredge material sed

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33

Smith, David A. "Effect of particle shape on grain size, hydraulic, and transport characteristics of calcareous sand." Thesis, University of Hawaii at Manoa, 2003. http://proquest.umi.com/pqdweb?index=0&did=764803691&SrchMode=1&sid=2&Fmt=2&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1233275673&clientId=23440.

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34

Niesen, Shelly Lynn Coveney Raymond Martin. "Channel geometry and sediment characteristics of the Missouri River at St. Joseph, Kansas City, and Hermann, Missouri, 1928-2002." Diss., UMK access, 2004.

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Thesis (M.S.)--Dept. of Geosciences. University of Missouri--Kansas City, 2004.<br>"A thesis in urban environmental geology." Typescript. Advisor: Raymond M. Coveney. Vita. Title from "catalog record" of the print edition Description based on contents viewed Feb. 27, 2006. Includes bibliographical references (leaves 77-80). Online version of the print edition.

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35

Brown, Morgan E. "Relationship of Sphaeroma Quoianum to Invertebrate Community and Sediment Characteristics in a Southern California Salt Marsh." Thesis, California State University, Long Beach, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10605505.

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<p> Many important wetland functions are tied to sediment dynamics, which are largely governed by infaunal invertebrate communities. These communities are sensitive to changes in sediment structure and to colonization by non-native species. In a southern California salt marsh, the non-native Australian isopod <i> Sphaeroma quoianum</i> has created dense networks of burrows within the marsh banks. Since this isopod increases erosion in other areas and changes local communities, its possible contribution to habitat loss in this already-scarce southern California ecosystem is an important questio

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36

Graham, George W. "Biomediation of turbulence and suspended sediment characteristics in marsh surface flows : the influence of Spartina anglica." Thesis, University of Plymouth, 2008. http://hdl.handle.net/10026.1/1765.

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Laboratory experimentation in a large aimular flume (radius 3 m, channel width and water depth 0.4 m) has been conducted using a geometrically and dynamically similar Spariina anglica mimic (canopy height 0.21 m, stem density 1000 stems m~^) to investigate the influence of submerged Spartina on hydrodynamics under unidirectional currents {Uh = 0.2 m s~*) and the impact upon the dynamics of suspended cohesive sediments near the bed within the canopy. The vertical distribution of canopy biomass strongly influences vertical profiles of time-averaged velocity and turbulent quantities. An inflected

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37

Ward, Landon Alan. "Effects of Sediment Characteristics on the Distribution of Fiddler Crabs (Uca spp) at Goodwin Island, Virginia." W&M ScholarWorks, 2003. https://scholarworks.wm.edu/etd/1539617815.

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38

Hobson, Paul Myron. "Rheologic and flume erosion characteristics of georgia sediments from bridge foundations." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/26660.

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Thesis (M. S.)--Civil and Environmental Engineering, Georgia Institute of Technology, 2009.<br>Committee Chair: Sturm, Terry; Committee Member: Burns, Susan; Committee Member: Webster, Donald. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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39

Marsalek, Peter Michael. "Special characteristics of an on-stream stormwater management pond, winter regime and accumulation of sediment and associated contaminants." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq22360.pdf.

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40

Afonso, Dias Manuel Seixas. "Variability of Nephrops norvegicus (L.) populations in Scottish waters in relation to the sediment characteristics of the seabed." Thesis, University of Aberdeen, 1997. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU104082.

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Previous studies in localised areas have revealed spatial variability on Nephrops norvegicus population characteristics. In order to investigate this subject in a comprehensive way, a large amount of Nephrops data (catch rates, size compositions, female maturity condition, moult condition and burrow densities) and related sediment data, from different areas and grounds all around Scotland, were assembled and analysed. The available commercial fishery statistics on Nephrops were also used for this purpose. High variability in depth and sediment size composition was found in Scotland, between an

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41

Skead, Michael Bethel. "Geological characteristics of selected disseminated sediment-hosted gold deposits in Nevada, U.S.A. : in search of an exploration model." Thesis, Rhodes University, 1995. http://hdl.handle.net/10962/d1007414.

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Sediment-hosted disseminated gold deposits in Nevada, western United States are major gold sources and contain reserves in excess of 1 500 metric tons of gold (Percival et aI., 1988). Discovery of these deposit types continues at a pace, with Placer Dome announcing a mojor discovery, Pipeline, to the south of the Gold Acres Mine, along the Battle Mountain - Eureka Trend in 1994 (The Northern Miner, 1994). Host sediments favoured for disseminated gold mineralisation are thinly bedded silty limestones , carbonate debris flows and to a lesser extent shale, chert and sandstone. The distribution of

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42

Schmidt, Martin. "Assessment of the physical, chemical and leaching characteristics of a marine sediment dredge spoil at Bing Bong, Northern Territory /." Title page, contents and abstract only, 1997. http://web4.library.adelaide.edu.au/theses/09AR/09ars353.pdf.

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43

Wai, Ho Yin. "Effects of deployment of artificial reefs on the marine benthic environment, with special reference to sediment physico-chemical characteristics /." access full-text access abstract and table of contents, 2009. http://libweb.cityu.edu.hk/cgi-bin/ezdb/thesis.pl?mphil-bch-b23750856f.pdf.

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Thesis (M.Phil.)--City University of Hong Kong, 2009.<br>"Submitted to Department of Biology and Chemistry in partial fulfillment of the requirements for the degree of Master of Philosophy." Includes bibliographical references (leaves 144-191)

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44

Anglen, Brandy Lynn. "Contrasting sulfur isotopic characteristics for sulfate and sulfide in water and sediment profiles from three lakes in Taylor Valley, Antarctica." [Bloomington, Ind.] : Indiana University, 2005. http://wwwlib.umi.com/dissertations/fullcit/3183912.

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45

Bradbrook, Samuel Dylan. "Physiological, metabolic, and genetic characteristics of sulphate-reducing bacteria from deep-sediment layers of the Cascadia Margin (ODP Leg 146)." Thesis, University of Bristol, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325799.

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46

Brosinsky, Arlena [Verfasser], Axel [Akademischer Betreuer] Bronstert, and Hermann [Akademischer Betreuer] Kaufmann. "Spectral fingerprinting : the potential of VNIR-SWIR spectral characteristics for tracing suspended sediment sources / Arlena Brosinsky ; Axel Bronstert, Hermann Kaufmann." Potsdam : Universität Potsdam, 2015. http://d-nb.info/1218399791/34.

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Kelso, Kyle W. "Natural and anthropogenic influences on flow patterns and sediment characteristics in the Dona and Roberts Bay Estuarine System, Sarasota County, Florida." [Tampa, Fla.] : University of South Florida, 2007. http://purl.fcla.edu/usf/dc/et/SFE0002126.

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48

Lieu, Kim Phuong. "Sediment diagenesis and characteristics of grains and pore geometry in sandstone reservoir rocks from a well of the North German Basin." Diss., Ludwig-Maximilians-Universität München, 2014. http://nbn-resolving.de/urn:nbn:de:bvb:19-165159.

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49

Apagu, Buba Ankidawa. "Sustainability of water abstraction by hand drilling in the floodplain of River Benue of Yola, NE Nigeria." Thesis, Brunel University, 2014. http://bura.brunel.ac.uk/handle/2438/8401.

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The aim of the research is to assess the sustainability of groundwater supply and the suitability of hand-drilling techniques for accessing groundwater for irrigation practices along the shallow alluvial floodplains of River Benue, NE Nigeria. Hand-drilling techniques are affordable means for the farmers to abstract water from these shallow aquifers. Determining the most sustainable hand-drilling techniques (taking into account the hydrology and sedimentology of the floodplain) will improve farming activities and food security in this region and the country at large. Hydrological data (obtaine

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50

Hill, Andrew C. "Assessing Linkages Among Landscape Characteristics, Stream Habitat, and Macroinvertebrate Communities in the Idaho Batholith Ecoregion." DigitalCommons@USU, 2010. https://digitalcommons.usu.edu/etd/774.

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Understanding the composition of lotic communities and the landscape processes and habitat characteristics that shape them is one of the main challenges confronting stream ecologists. In order to better understand the linkages among landscape processes, stream habitat, and biological communities and to understand how accurately our measurements represent important factors influencing biological communities, it is important to test explicit hypotheses regarding these linkages. Increasing our understanding of aquatic communities in a hierarchical context and recognizing how well our measuremen

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