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Dissertations / Theses on the topic 'Source to sinks'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Herdman, Anthony T. "Current source density analysis of current sinks in apical dendrites of CA1 pyramidal neurons." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq37548.pdf.

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2

O???Shea, Bethany Megan School of Biological Earth &amp Environmental Science UNSW. "Delineating the source, geochemical sinks and aqueous mobilisation processes of naturally occurring arsenic in a coastal sandy aquifer." Awarded by:University of New South Wales. School of Biological, Earth and Environmental Science, 2006. http://handle.unsw.edu.au/1959.4/25179.

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Elevated arsenic concentrations have been reported in a drinking water and irrigation-supply aquifer of Stuarts Point, New South Wales, Australia. Arsenic occurrence in such aquifers is potentially a major issue due to their common use for high yield domestic and irrigation water supplies. Ten multi-level piezometers were installed to depths of approximately 30 m in the sand and clay aquifer. Sediment samples were collected at specific depths during drilling and analysed for chemical and mineralogical composition, grain size characteristics, potential for arsenic release from solid phase and d

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3

Rat, Juliette. "Evolution du contenu sédimentaire détritique au cours d'un cycle orogénique." Thesis, Toulouse 3, 2019. http://www.theses.fr/2019TOU30030.

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Les sédiments reflètent l'évolution des processus de surface résultant des interactions entre tectonique et climat. Cette thèse est focalisée sur le nord de l'Ibérie, qui enregistre les différentes étapes du cycle alpin. Elle a pour but, au travers d'une étude combinée thermochronométrique basse température, de retracer l'évolution du contenu détritique du rifting, à la surrection de la chaîne jusqu'à la destruction de celle-ci. En premier lieu, une approche locale nous permet de contraindre l'évolution tectono-thermale et détritique sur les derniers 100 Ma d'un ancien bassin du système de rif

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4

Hughes, Andrew Owen Physical Environmental &amp Mathematical Sciences Australian Defence Force Academy UNSW. "An assessment of recent changes in catchment sediment sources and sinks, central Queensland, Australia." Awarded by:University of New South Wales - Australian Defence Force Academy. Physical, Environmental & Mathematical Sciences, 2009. http://handle.unsw.edu.au/1959.4/43622.

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Spatial and temporal information on catchment sediment sources and sinks can provide an improved understanding of catchment response to human-induced disturbances. This is essential for the implementation of well-targeted catchment-management decisions. This thesis investigates the nature and timing of catchment response to human activities by examining changes in sediment sources and sinks in a dry-tropical subcatchment of the Great Barrier Reef (GBR) catchment area, in northeastern Australia. Changes in catchment sediment sources, both in terms of spatial provenance and erosion type,

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5

Ben, Saad Leila. "Stratégies pour améliorer la durée de vie des réseaux de capteurs sans fil." Thesis, Lyon, École normale supérieure, 2011. http://www.theses.fr/2011ENSL0689.

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Améliorer la durée de vie est un enjeu important qui s'impose lors du déploiement des réseaux de capteurs sans fil (RCsFs). En effet, ces réseaux sont composés par des capteurs autonomes alimentés par des batteries qu'il est difficile de recharger ou remplacer. Le challenge est donc d'assurer le fonctionnement de ces réseaux pendant plusieurs années sans aucune intervention extérieure majeure.Afin de maximiser la durée de vie des RCsFs, nous avons d'abord exploré la possibilité d'introduire plusieurs puits mobiles. Nous avons proposé deux stratégies. La première détermine les positions optimal

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6

Gudasz, Cristian. "Boreal Lake Sediments as Sources and Sinks of Carbon." Doctoral thesis, Uppsala universitet, Limnologi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-150709.

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Inland waters process large amounts of organic carbon, contributing to CO2 and CH4 emissions, as well as storing organic carbon (OC) over geological timescales. Recently, it has been shown that the magnitude of these processes is of global significance. It is therefore important to understand what regulates OC cycling in inland waters and how is that affected by climate change. This thesis investigates the constraints on microbial processing of sediment OC, as a key factor of the carbon cycling in boreal lakes. Sediment bacterial metabolism was primarily controlled by temperature but also regu

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7

Schirber, Michael. "Sources, sinks and scatterers of the ultra-violet background." Columbus, Ohio Ohio State University, 2004. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1072842778.

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Thesis (Ph. D.)--Ohio State University, 2004.<br>Title from first page of PDF file. Document formatted into pages; contains xiv, 250 p.; also includes graphics (some col). Includes abstract and vita. Advisor: Terry Walker, Dept. of Physics. Includes bibliographical references (p. 227-250).

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8

Butenhoff, Christopher Lee. "Investigation of the sources and sinks of atmospheric methane." PDXScholar, 2010. https://pdxscholar.library.pdx.edu/open_access_etds/2813.

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The work presented here represents a number of independent studies that investigated various components of the CH4 budget, namely the sources and sinks. We used a chemical-tracer model and created unique long-term time series of atmospheric CH4, carbon monoxide (CO), molecular hydrogen (H2), and methylchloroform (CH3CCl3) measurements at marine background air to derive histories of atmospheric hydroxyl radical (OH) - the main chemical oxidant of CH4, biomass burning - an important source of CH4 in the tropics, and emissions of CH4 from rice paddies - one of the largest anthropogenic sources of

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9

Schirber, Michael Robert. "Sources, sinks and scatterers of the ultra-violet background." The Ohio State University, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=osu1072842778.

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10

Rosner, Hillary. "Tropical rainforests: Carbon sink or carbon source?" Diss., Connect to online resource, 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1439430.

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11

Shirsat, Shital. "Sources, transport and sinks of sulphur in the Antarctic troposphere." Thesis, University of Cambridge, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.611813.

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12

Simmons, Sarah L. "Sources, pathways and sinks of litter within riverine and marine environments." Thesis, University of South Wales, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386562.

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This research was developed as one of the first studies to investigate riverine litter problems. Baseline assessment methods were formulated to define the scope and nature of this pollution form. Assessments were carried out in three catchments; the Taff East Lyn and Avill. The Taffwas found to be atypical regarding the extent of the litter. In all catchments plastic sheeting formed the principal litter component. The study also included an examination of the factors influencing the sources, pathways and sinks riverine litter pollution. These factors were drawn together through the development

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13

Mayorga, Emilio. "Isotopic constraints on sources and cycling of riverine dissolved inorganic carbon in the Amazon Basin /." Thesis, Connect to this title online; UW restricted, 2004. http://hdl.handle.net/1773/10977.

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14

Kemball, W. D. "Source-sink interrelationships in white clover (Trifolium repens L.)." Thesis, Bangor University, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333705.

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15

Yoshida, Yasuko. "Global sources and distribution of atmospheric methyl chloride." Diss., Available online, Georgia Institute of Technology, 2006, 2006. http://etd.gatech.edu/theses/available/etd-06232006-151220/.

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Thesis (Ph. D.)--Earth and Atmospheric Sciences, Georgia Institute of Technology, 2007.<br>Robert Dickinson, Committee Member ; Athanasios Nenes, Committee Member ; David Tan, Committee Member ; Armistead Russell, Committee Member ; Yuhang Wang, Committee Chair.

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16

Koprivnjak, Jean-François. "Sources, sinks, and fluxes of dissolved organic carbon in subarctic fen catchments." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60045.

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The sources, sinks, fluxes, spatial distributions, and temporal variations of dissolved organic carbon (DOC) in subarctic fen catchments as well as the temporal patterns of DOC in streams draining subarctic fen catchments in the region of Schefferville, Quebec were investigated.<br>In June to August sampling, DOC concentrations averaged 17 mg/L in peat water, 2-16 m/L in stream water, 49-56 mg/L in canopy throughfall, 14-19 mg/L in understory throughfall, 122-187 mg/L in stemflow, 25-39 mg/L in lichen and moss mat water, and 35-42 mg/L in soil A horizon water.<br>Precipitation and canopy and u

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17

Clark, Daniel G. "Physical and biological sources and sinks of nitrate in the Canary basin." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/mq24817.pdf.

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18

Plum, Sara A. "Manipulation of sources and sinks of grasses : growth, photosynthesis and root exudation." Thesis, Bangor University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389504.

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19

Burgess, Rachel. "Sources and sinks of Câ†2-Câ†8 hydrocarbons in the atmosphere." Thesis, University of East Anglia, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.297486.

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20

Richmond, Nicole L. "THE CARBON BUDGET OF A SHALLOW, TROPICAL AQUIFER: SOURCES, SINKS, AND PROCESSES." Oxford, Ohio : Miami University, 2003. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=miami1070212062.

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Thesis (M.S.)--Miami University, Dept. of Geology, 2003.<br>Title from first page of PDF document. Document formatted into pages; contains vii, 127 p. : ill. Includes bibliographical references (p. 108-113).

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21

Bairam, Emna. "Etude des processus écophysiologiques caractérisant la distribution du carbone entre les sources et les puits au sein de la charpentière du pommier. Eléments pour un modèle fonction-structure." Thesis, Rennes, Agrocampus Ouest, 2017. http://www.theses.fr/2017NSARC129/document.

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La synthèse et le transport du carbone chez le pommier repose sur un ensemble de mécanismes complexes et imbriqués dépendants de facteurs endogènes et exogènes. Uneapproche combinant une caractérisation écophysiologique et l’utilisation d’un modèle structure-fonction de la plante (Functional-Structural Plant Model, FSPM) présente un moyenintéressant pour ce champ de recherche dans la mesure où un modèle structure-fonction permet d’intégrer la topologie et la géométrie de la plante et de ses différents organes à l’ensemble des facteurs impliqués dans l’assimilation et le transport du carbone et

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22

Freimuth, Erika Jacob. "Advancing Leaf Wax Paleohydrology: From Plant Source to Sediment Sink." University of Cincinnati / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1535381306803793.

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23

Smith, Jonathan Stanley. "Source-to-sink analysis of rift basin tectonics and sedimentation." Thesis, University of Manchester, 2014. https://www.research.manchester.ac.uk/portal/en/theses/sourcetosink-analysis-of-rift-basin-tectonics-and-sedimentation(fb54f092-9075-465c-83c0-e88346341e62).html.

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This thesis investigates the development of regional drainage patterns within intra-continental rift basins using remote sensing data, field studies and numerical models. By examining modern-day extensional settings, such as the Basin and Range, USA, and the East African Rift System (EARS), this study elucidates the controls upon regional source-to-sink systems and assesses the findings in relation to existing, conceptual tectono-stratigraphic and drainage models. Rift basins are generally well studied and facies models well established. However, there is a tendency to overlook the regional pe

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24

Stout, Justin Collin. "Identifying and quantifying sediment sources and sinks in the Root River, Southeastern Minnesota." DigitalCommons@USU, 2012. https://digitalcommons.usu.edu/etd/1304.

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Currently, our ability to predict the flux of fine sediment at the watershed scale is limited by the precision of erosion rate estimates for the many potential sources distributed throughout a landscape as well as our understanding of the connectivity of sediment pathways during transport. In absence of a robust predictive model which can be validated by measurements of sediment fluxes and use of geochemical tracers. Predicting fine sediment yield at the watershed scale requires multiple redundant lines of information. This thesis outlines the methods used, and the data sets collected in the R

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25

Dawson, Julian J. C. "The controls on concentrations and fluxes of gaseous, dissolved and particulate carbon in upland peat dominated catchments." Thesis, University of Aberdeen, 2000. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU125517.

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A programme of field sampling was undertaken to quantify total carbon fluxes (DOC, POC, HCO3, free CO2 and CH4) from peatland catchments in Glen Dye, NE Scotland and Plynlimon, Mid-Wales. This was integrated with temporal and spatial sampling to investigate controls on contrasting concentrations and fluxes and to determine carbon sources or sinks within the stream system. Microcosms containing radiolabelled ( 14C) biofilms were also used to investigate removal of DOC from streamwater. Carbon fluxes from acidic peatlands were dominated by DOC (115-215 kg C ha-1 yr-1) and POC (8.15-97.0 kg ha -1

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26

Horst, Robin. "Kohlen- und Stickstoffmetabolismus Ustilago-maydis-infizierter Maispflanzen." kostenfrei, 2010. http://d-nb.info/1001774108/34.

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27

Marstellar, Tina L. "Investigating sediment source to sink processes in a post-orogenic landscape." Thesis, Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/47549.

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In order to understand the life cycle of a mountain range, it is crucial to identify and quantify the processes that influence the rate of denudation, sediment flux through the landscape, and the resulting changes in relief over long time scales in tectonically-inactive regions. Geologic history and the quartz-rich lithologies make the southern Appalachian Mountains an ideal location for terrestrial cosmogenic nuclide (TCN) measurements aimed at studying erosion and denudation processes in an evolving post-orogenic landscape. We used in situ-produced TCN measurements of Beryllium-10 (10Be) to

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28

Ong, Ahchuan. "Diagnostic initialization generated extremely strong thermohaline sources and sinks in the South China Sea." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03Mar%5FOng.pdf.

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29

Bradshaw, Leslie C. "Sources and sinks of nitrogen in the Cape Fear River estuary, southeastern North Carolina /." Electronic version (PDF), 2005. http://dl.uncw.edu/etd/2005/bradshawl/lesliebradshaw.html.

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30

White, A. C. "Why do some plants grow faster than others? : a source-sink perspective." Thesis, University of Sheffield, 2016. http://etheses.whiterose.ac.uk/13684/.

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31

Lahiri, Ipsita. "Metabolic Engineering in Plants to Control Source/sink Relationship and Biomass Distribution." Thesis, University of North Texas, 2013. https://digital.library.unt.edu/ark:/67531/metadc283836/.

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Traditional methods like pruning and breeding have historically been used in crop production to divert photoassimilates to harvested organs, but molecular biotechnology is now poised to significantly increase yield by manipulating resource partitioning. It was hypothesized that metabolic engineering in targeted sink tissues can favor resource partitioning to increase harvest. Raffinose Family Oligosaccharides (RFOs) are naturally occurring oligosaccharides that are widespread in plants and are responsible for carbon transport, storage and protection against cold and drought stress. Transgenic

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32

Jensen, Alexa Lunt. "Evaluating Nitrogen and Carbon Differences in Standing Litter from Normal and Prematurely Senesced Bromus tectorum Plants." BYU ScholarsArchive, 2019. https://scholarsarchive.byu.edu/etd/8265.

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Bromus tectorum, an invasive winter annual, has displaced native vegetation throughout the western United States. Bromus tectorum litter influences nutrient cycling near the soil surface as well as plant establishment. Failed seed production of B. tectorum occasionally occurs in the field, with plants exhibiting weak flowering culms that turn straw-colored in spring when normal plants are green or purple in color. Because annual grasses transport most soluble carbon (C) and nitrogen (N) to reproductive organs, seed production failure results in significantly different fates for these nutrients

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33

Karlsson, Emma. "Compositional clues to sources and sinks of terrestrial organic matter transported to the Eurasian Arctic shelf." Doctoral thesis, Stockholms universitet, Institutionen för miljövetenskap och analytisk kemi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-116876.

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The amount of organic carbon (OC) present in Siberian Arctic permafrost soils is estimated at twice the amount of carbon currently in the atmosphere. The shelf seas of the Arctic Ocean receive large amounts of this terrestrial OC from Eurasian Arctic rivers and from coastal erosion. Degradation of this land-derived material in the sea would result in the production of dissolved carbon dioxide and may then add to the atmospheric carbon dioxide reservoir. Observations from the Siberian Arctic suggest that transfer of carbon from land to the marine environment is accelerating. However, it is not

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34

McCallister, Leigh. "Organic matter cycling in the York River estuary, Virginia: An analysis of potential sources and sinks." W&M ScholarWorks, 2002. https://scholarworks.wm.edu/etd/1539616768.

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A study of the organic matter (OM) sources and biogeochemical and physicochemical sinks was undertaken in the York River estuary, Virginia. The reactivity of dissolved organic carbon (DOC) was enhanced from ∼25--68% by the combined effects of exposure to natural sunlight and bacterial decomposition. In contrast, sunlight exposure decreased the bioreactivity of DOC in the higher salinity lower York by a factor of five. The combined effects of photochemical and bacterial processing were found to modify both the bioavailability and metabolic fate of OM (e.g. respiration vs. biomass). Stable isoto

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35

Jensen, Christopher D. (Christopher David) 1974. "Terrestrial sources and sinks of atmospheric methyl bromide : three-dimensional modeling of tropospheric abundance and sensitivities." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/54436.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1999.<br>Includes bibliographical references (p. 87-92).<br>Current estimates of methyl bromide surface fluxes are inconsistent with the observed tropospheric mole fractions (9 to 10 ppt, globally averaged) and the calculated atmospheric lifetime (1.7 ± 0.2 years), with mid-range estimates of sinks exceeding sources by at least 50 Gg y-I. Given the uncertainties in process-specific surface flux estimates, we consider several distributions of terrestrial sources and sinks that satisfy the

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36

Weston, Johanna Nadia Jean. "Quantification of nitrate sources and sinks using a water quality network in Morro Bay Estuary, California." DigitalCommons@CalPoly, 2011. https://digitalcommons.calpoly.edu/theses/634.

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Using an instrumented water quality network in Morro Bay Estuary, California from 2007 to 2010 (15 min sampling frequency), this study addressed the two objectives of constructing a nitrate budget and assessing the influence of sampling frequency on water quality parameters. These two objectives led to the submission of an original report of research (Appendix A) and a note (Appendix B) to peer-reviewed journals. The first objective was to characterize the high spatial and temporal variation in physical parameters and nitrate concentrations and to construct a nitrate budget quantifying source

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37

Stephen, Amy Louise. "Carbon sources and sinks within the Oman-UAE ophiolite : implications for natural atmospheric CO2 sequestration rates." Thesis, University of Leicester, 2015. http://hdl.handle.net/2381/37249.

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Hyperalkaline (pH >11) spring waters across the Oman-UAE ophiolite have precipitated large-scale surface and subsurface freshwater carbonate deposits within and on mantle-sequence peridotites. Ten carbonate lithofacies have been identified that display a common stratigraphy across the region, with some on-going deposition. Alternating wet and arid climate periods, consistent with previous Quaternary climate data for Oman and the UAE, can be inferred from the morphologies and stratigraphy of carbonate lithofacies. Carbon and oxygen stable isotope ratios for individual lithofacies are consistent

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38

Thiemt, Elisabeth-M. "Untersuchungen zur Bedeutung der Stickstoffeffizienz für die Ertragssicherheit bei Mais." Hohenheim : Universität Hohenheim, Institut für Pflanzenzüchtung, Saatgutforschung und Populationsgenetik, 2002. http://opus-ho.uni-stuttgart.de/hop/volltexte/2003/28/pdf/Diss_ET.pdf.

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Sprague, Nicolle Marie. "Copper in the Urban Water Cycle: Sources and Sinks, Benefits and Detriments, and Corrosion in Soft Waters." Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/42724.

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In recent years, stringent world-wide regulation of copper in drinking water, wastewater discharge and sludge has prompted utilities to carefully evaluate copper sources and sinks, benefits and detriments, and mitigation. This work compiled the individual efforts of researchers and utilities to provide a basis for holistic decision-making. Mass balances suggest that between 14-61% of copper in wastewater originates from home plumbing. Dosing of pure copper sulfate "root killer" by consumers, which is of unlikely value, accounted for up to 27% of copper inputs. Removal of copper in wastewater t

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Lobo, Ana Karla Moreira. "Photosynthesis regulation by sucrose metabolism under water deficit and source-sink alterations in sugarcane." reponame:Repositório Institucional da UFC, 2016. http://www.repositorio.ufc.br/handle/riufc/21479.

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LOBO, A. K. M. Photosynthesis regulation by sucrose metabolism under water deficit and source-sink alterations in sugarcane. 2016. 118 f. Tese (Doutorado em Bioquímica)-Universidade Federal do Ceará, Fortaleza, 2016.<br>Submitted by Anderson Silva Pereira (anderson.pereiraaa@gmail.com) on 2017-01-03T20:20:30Z No. of bitstreams: 1 2016_tese_akmlobo.pdf: 4541762 bytes, checksum: e3450d87e286b1a5213eb866921b6c94 (MD5)<br>Approved for entry into archive by Jairo Viana (jairo@ufc.br) on 2017-01-09T21:32:52Z (GMT) No. of bitstreams: 1 2016_tese_akmlobo.pdf: 4541762 bytes, checksum: e3450d87e286b1

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Minnie, Liaan. "Effects of lethal management on black-backed jackal population structure and source-sink dynamics." Thesis, Nelson Mandela Metropolitan University, 2016. http://hdl.handle.net/10948/12658.

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Lethal carnivore management, aimed at reducing carnivore impacts, threatens the persistence of carnivores globally. The effects of killing carnivores will depend on their life histories and social structures. Smaller canids, like black-backed jackals (Canis mesomelas), are highly adaptable and display variable population-level responses to mortality sources, which may contribute to their success in fragmented landscapes. Jackals, the dominant predator of livestock in South Africa, are widely hunted to reduce this predation. This hunting is heterogeneous across the landscape, focussed on livest

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Garcia, Karla Patricia, and Karla Patricia Garcia. "Physiology of Flowering and Diurnal Net Photosynthetic Response in American Strawberry Cultivars under Controlled Environment." Thesis, The University of Arizona, 2016. http://hdl.handle.net/10150/621461.

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Strawberry production in the United States is almost entirely done in open-fields. Recently, interest in off-season strawberry production using controlled environment (CE) systems such as greenhouses and soilless cultivation has increased in the US. However, strawberry production in greenhouses is relatively new in North America and available information about greenhouse strawberry production is limited. Plant physiological responses to the environment must be well understood to maximize production using CE systems. In the present research, photoperiodic and photosynthetic responses of strawbe

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43

Vijayaraghavan, Iyengar Anupama. "Independent component analysis of spontaneous laminar specific current sources and sinks in area S1 of the rat brain." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=114505.

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The laminar structure of the neocortex is universal. In spite of some variation in structure and cell type, the composition of the 6 cortical laminae is conserved in virtually all neocortical areas and amongst all mammalian species. However, the function of cortical layers remains largely unknown. Here we seek to determine whether laminar-specific spontaneous current sources and sinks are distributed randomly, or whether they show repeating patterns. We further aim to investigate whether the time-course of current sources and sinks can be decomposed into separate independent components.To this

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Moon, Jinyoung. "Selective accrual and dynamics of proteinaceous compounds during pedogenesis: testing source and sink selection hypotheses." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/77030.

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The emerging evidence of preferential accumulation and long residence time of proteinaceous compounds in soil are counter to the traditional view that their structure is readily broken down through microbial activity. The shift in thinking of their residence time is, however, heavily influenced by physical and chemical protections in soil, representing an important change for understanding global biogeochemical carbon and nitrogen cycling. We investigated the accumulation patterns of proteinogenic amino acids for a long term (thousands of years) related to their sources and sinks. We found cle

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45

Parvin, Zachary. "Vortex stabilization for anti-icing stability of an inviscid point vortex pair near a boundary with sources and sinks /." Ann Arbor, Mich. : ProQuest, 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1442483.

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Thesis (M.S. in Mechanical Engineering)--S.M.U., 2007.<br>Title from PDF title page (viewed Mar. 18, 2008). Source: Masters Abstracts International, Volume: 45-05, page: 2644. Adviser: Paul Krueger. Includes bibliographical references.

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Howard, Thomas Paul. "Using a transgenic approach to study source sink interactions within the potato (Solanum tuberosum L.) plant." Thesis, University of Sheffield, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275208.

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Moorhouse, Arabella Mary Louise. "Tracing metals from sources to sinks in the Afon Clarach Catchment (Mid-Wales) using stable isotope and trace metal fingerprinting." Thesis, Aberystwyth University, 2010. http://hdl.handle.net/2160/f956e4ab-a01a-4108-a9ff-9a4a2c9a9e9c.

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The mineralisation which occurs within the Central Wales Orefield (CWO) is of historical importance, as the area was once one of the major producers of silver in the United Kingdom. In comparison to the other ore districts situated in the British Isles however, surprisingly little research has been undertaken in the CWO in recent years. This thesis redresses this issue by examining, in conjunction with Pb isotope analysis, the geochemical variation in three sulphide minerals (galena, sphalerite and chalcopyrite), collected from six mineralised lodes located in the Afon Clarach catchment; a sma

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Donker, Scott A. "Arctic ground squirrels in the Southwest Yukon Territory : evidence for habitat specific demography and source-sink dynamics." Thesis, University of British Columbia, 2010. http://hdl.handle.net/2429/28646.

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Arctic ground squirrels (Urocitellus parryii plesius) of the southwest Yukon Territory occupy three distinct habitat types: boreal forest, low elevation meadows and alpine areas. Populations in boreal forest habitat have been shown to be synchronous with the 10-year snowshoe hare (Lepus americanus) cycle in the region due to shared predators. Relatively little is known about arctic ground squirrel populations occupying low altitude meadow and alpine meadow habitat types. Since 2000, populations in the boreal forest have remained low and in some locations have been extirpated. The first objec

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Hoare, Ana Maria. "From Source to Sink: An Isotopic Perspective on the Biogeochemical Relationship between the Everglades and Florida Bay." Scholar Commons, 2011. http://scholarcommons.usf.edu/etd/3151.

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Increasing human populations and activities in coastal areas have led to high nutrient loading and estuarine ecosystem decline. Natural hydrological patterns in South Florida have been drastically altered by changes in water management and land use practices. As a result Florida Bay has experienced a series of negative ecosystem effects including hypersalinity events, degradation of water quality, and harmful algal blooms and declines in upper trophic level populations. To remediate ecosystem decline in Florida's coastal ecosystems, the Comprehensive Everglades Restoration Plan proposes to re

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Viennet, David. "Utilisation de la morphogranulométrie dans le suivi source to sink du transfert particulaire dans les bassins versants." Thesis, Normandie, 2020. http://www.theses.fr/2020NORMR016.

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De nos jours, la compréhension des transferts de particules sédimentaires (Source to Sink) est un enjeu clef des géosciences. Un des challenges dans ce domaine est la caractérisation de l’origine et des processus de transfert des particules. L’utilisation de la morphométrie (la mesure de la forme d’une particule) est une méthodologie pouvant apporter des réponses à ces questions.La morphométrie des particules est utilisée en sédimentologie pour identifier les différents stocks sédimentaires, les transferts et les mécanismes de sédimentation. Actuellement, beaucoup d’analyses morphométriques so

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