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Dissertations / Theses on the topic 'Downstream changes'

Author: Grafiati

Published: 9 March 2023

Last updated: 31 July 2025

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1

Beck, Julia S. (Julia Samantha). "Downstream changes in river morphology as a result of dam developments." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/52243.

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Thesis (MEng)--University of Stellenbosch, 2001.<br>ENGLISH ABSTRACT: A dam can have a significant impact on the downstream river morphology by altering both the flow regime and the sediment load. The effect of a dam is dependent on factors such as the storage capacity relative to the mean annual runoff (MAR), the operation of the reservoir and the sediment yield of the catchment. Changes in the river morphology include the degradation and coarsening of the riverbed, generally closer to the dam, and aggradation further downstream where the sediment delivered by tributaries cannot be car

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2

Chouikhi, S. M. "Mass transfer downstream of abrupt changes of duct diameter in two-phase flow." Thesis, University of Exeter, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.354027.

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3

Hamiton, Jorene Lynn. "Hydrologic and morphologic changes of the West Branch Delaware River, New York, downstream of the Cannonsville Dam." Diss., Online access via UMI:, 2007.

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4

Pamidiboina, Venu [Verfasser], and Rudolf Maria [Akademischer Betreuer] Huber. "Molecular changes in EGFR downstream signalling and intracellular calcium changes associated with the cisplatin-resistant phenotype of lung cancer cells / Venu Pamidiboina ; Betreuer: Rudolf Maria Huber." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2020. http://d-nb.info/1216417822/34.

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5

LIMONCELLI, MARTA. "Short-term erosion pattern in the Alps-Apennines belt constrained by downstream changes of zircons morphology and U-PB ages from the Po drainage modern sands." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2012. http://hdl.handle.net/10281/29393.

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Downstream changes of the geochronological signature in the Po drainage allow to assess the relative sediment contributions shed from the orogenic source areas, in order to constrain the short-term (102-104 y) erosion pattern in the Alps-Apennines orogenic couple. In this perspective, we collected modern sands in selected tributaries draining the major tectonic units exposed in the orogen, as well as along the Po River trunk and in different sites of the Po Delta. Zircon concentrates were separated according to specific quantitative procedures coupled with grain-size and grain-density analyse

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6

Gregorio, Michael Anthony. "Geomorphic Effects of the Hocking River Channelization at Athens, Ohio, on the Downstream Planform." Ohio University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1213210389.

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7

Rowe, William Jason. "AN INVESTIGATION INTO THE UNINTENDED CONSEQUENCES OF DOWNSTREAM CHANNEL ALLOWANCES." UKnowledge, 2010. http://uknowledge.uky.edu/gradschool_diss/9.

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Downstream channel allowances involve the practice of selling firms making payments to customers in exchange for distribution of a product. Such transactions occur most frequently in a business-to-business exchange. Although various forms of channel allowances have been investigated over the past three decades, the literature is lacking in guidance regarding whether or not, and to what extent, the salesperson should control these payments. Relying on the theoretical underpinnings of cognitive evaluation theory, this dissertation takes the initial step in understanding the effects of customer p

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8

Winterhalt, Lesley Marie. "Physical habitat below a hydropeaking dam : examining progressive downstream change." Thesis, University of British Columbia, 2015. http://hdl.handle.net/2429/54407.

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This study examines the short-term physical habitat conditions at four sites on the Kananaskis River, Alberta, where a hydropeaking dam was installed in 1955. This dam imposes both the approximate pre-dam minimum flow, and the pre-dam flood (from a small flood year) on a daily basis. The purpose of this study was to examine the extent of daily changes in physical habitat conditions that organisms in the stream would have to endure, and the extent to which these fluctuations might be reduced downstream due to distance from the dam and unregulated tributary influence. Physical habitat conditions

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9

Couperthwaite, John S. "Downstream change in channel hydraulics along the River Severn, UK." Thesis, University of Birmingham, 1997. http://etheses.bham.ac.uk//id/eprint/702/.

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An understanding of the longstream distribution of hydraulic processes is important for evaluating the mechanisms which control the catchment-scale variation of channel stability, sediment transport and siltation, flood generation and aquatic habitats. However, little attention has been given to quantifying the detailed spatial and temporal variability of channel hydraulic parameters, despite considerable attention to reach-scale processes. This study uses a combined field and modelling approach to define the distributions of channel hydraulic parameters between the source and the near-tidal l

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10

Iyer, Gopalkrishnan R. "The role pf contracts, informal agreements and coalitions in assuring downstream coordination /." This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-06062008-172149/.

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11

Grove, James Robin. "Downstream change in the processes of riverbank erosion along the River Swale, UK." Thesis, University of Birmingham, 2001. http://etheses.bham.ac.uk//id/eprint/4429/.

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This study was designed to test the hypothesis that riverbank erosion processes altered with increasing distance from a river source. The River Swale, northern England, was monitored at nine sites throughout its 109-km length, from December 1995 – March 1998. Erosion pins, bank-edge surveying, and Photo-Electronic Erosion Pins (PEEPs) were used to determine rates and timings of erosion. The rates were compared against a range of environmental variables based on temperature, river stage, and precipitation at 14-day intervals for erosion pins and 15-minute intervals for PEEPs. This allowed proce

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12

Deshmukh, Chandrashekhar. "Greenhouse gas emissions (CH4, CO2 and N2O) from a newly flooded hydroelectric reservoir in subtropical South Asia : The case of Nam Theun 2 Reservoir, Lao PDR." Phd thesis, Université Paul Sabatier - Toulouse III, 2013. http://tel.archives-ouvertes.fr/tel-00862380.

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L'augmentation de l'intérêt concernant la part des réservoirs hydroélectrique dans l'augmentation de la concentration atmosphérique des Gaz à Effet de Serre (GES) a amené à mesurer les émissions nettes d'un réservoir hydroélectrique, Nam Theun 2 (NT2) dans la région subtropicale de la République Démocratique Populaire du Laos, Asie. Ce travail est la première évaluation de l'empreinte carbone des GES (c'est à dire : les émissions après ennoiement moins les émissions avant ennoiement) en relation avec la création d'un réservoir hydroélectrique. C'est le résultat d'une étude à grande échelle qui

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13

Iyer, Gopalkrishnan R. "The role of contracts, informal agreements and coalitions in assuring downstream coordination." Diss., Virginia Tech, 1993. http://hdl.handle.net/10919/38523.

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The importance of coordination between independent organizations in a vertical distribution system is stressed in most discussions of marketing channels and inter-organizational relations. The nature and structure of the vertical relation affording effective coordination between autonomous firms or units has been a matter of research interest as well as managerial concern. This thesis attempts to develop and empirically validate a model for understanding the institutional mechanisms for coordination between firms vertically related to each other. An emerging notion in organizational theory an

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14

Price, Regan R. "Clic Modulates Filopodia Formation Downstream of Cdc42 and its Effectors in Drosophila Hemocytes." Ohio University Honors Tutorial College / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ouhonors1338571019.

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15

OCK, Giyoung. "PARTICULATE ORGANIC MATTER DYNAMICS IN THE DOWNSTREAM OF DAM RESERVOIRS: ROLES OF CHANNEL GEOMORPHOLOGY AND RESPONSES OF BENTHOS COMMUNITIES." 京都大学 (Kyoto University), 2010. http://hdl.handle.net/2433/120804.

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16

Ayadi, Abdessalem. "Vers une organisation globale durable de l’approvisionnement des ménages : bilans économiques et environnementaux de différentes chaînes de distribution classiques et émergentes depuis l’entrepôt du fournisseur jusqu’au domicile du ménage." Thesis, Lyon 2, 2014. http://www.theses.fr/2014LYO22010/document.

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La logistique urbaine, et celle du dernier kilomètre notamment, est un sujet de préoccupation majeure pour les villes d’aujourd’hui. Pour répondre à cette préoccupation, nous avons établi dans le chapitre introductif un historique de la problématique de la logistique urbaine pour mieux comprendre son développement au fil des années, permettant ainsi de déduire qu’il est fondamental d’étudier la globalité de la chaîne de distribution dans ce travail de thèse pour mieux résoudre la problématique de la logistique urbaine. En revanche, nous étions confrontés à un sujet redoutable par sa complexité

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17

Chung-EnHung and 洪崇恩. "Downstream Morphologic Changes Due To Reservoir Desilting." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/89232677208761970228.

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碩士<br>國立成功大學<br>水利及海洋工程學系<br>103<br>Part of the Circum-Pacific Seismic Zone, Taiwan has been frequently struck by earthquakes that lead to soft soil. As extreme rainfall caused by climate change is increasing, a large volume of sediment from upstream flows into reservoirs in every rainy season followed by severe deposition which affects the useful life of reservoirs. To keep reservoirs sustainable, methods are carried out in many reservoirs for desilting. After desilting, a large volume of sediment flows from reservoirs to downstream that changes the downstream morphology and influences ecol

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18

Yeoh, Jiann Wei. "Drug-induced changes to lateral hypothalamic circuits and downstream projection targets." Thesis, 2015. http://hdl.handle.net/1959.13/1309854.

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Research Doctorate - Doctor of Philosophy (PhD)<br>The lateral hypothalamus (LH) contains a large number of neuropeptide transmitter-expressing neurons that act to co-ordinate consummatory and reward-seeking behaviours. My thesis focuses on two classes of these neuropeptides; orexins, of which I generally classified as ‘pro’ reward-seeking and cocaine and amphetamine reward transcript (CART) peptides, commonly considered to be ‘anti’ reward-seeking. For example, in the context of drug addiction, activation of the orexin system generally promotes the reinstatement of cocaine-seeking behaviour,

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19

Sackett, Judy, and Maureen Sullivan. "Downstream from Team: Riding the Rapids of Reorganization." 2006. http://hdl.handle.net/10150/222275.

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Conference proceeding from the Living the Future 6 Conference, April 5-8, 2006, University of Arizona Libraries, Tucson, AZ.<br>From the mid-1990s through 2004, the University of Kentucky Libraries were organized in a team-based organizational structure. The team structure was implemented in concert with the opening of the new main library, and its focus was on service centers that featured rotating leadership and management by consensus. Over the course of six or seven years, the model thrived in some units and created difficulty in others. Find out about the process of reorganizing a libra

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20

Chiu, Shiao-Yen, and 邱曉燕. "The Formation and Changes of Local Society at the Downstream of Xihu River." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/85646252056871286386.

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碩士<br>國立交通大學<br>客家文化學院客家社會與文化學程<br>101<br>This research is based on the phenomenon of the concentrated temples and the overlapped religious sphere around the Dianzai Street in Xihu County, Miaoli. By discussing the symbols of religion and the interactions of powers, the study observes the cultural aspects and connections of the local society. Constructed from bottom to top, the symbolic stratum of the local religion is used to explain the progress and development of the four outer villages in Xihu County. On the other hand, the once regionalized Xihu County which resulted from the union of the

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21

Hsu, Yung-Ching, and 許詠晴. "The Effects of Slit Dam Removal Processes upon Upstream and Downstream Channel Bed Form Changes Experiments." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/w8xc39.

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22

CHIANG, PEI-YU, and 江珮鈺. "The Impact of Land Use Changes on the Mid-Downstream of River Pollution Index in Fengshan River Basin." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/927vv6.

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碩士<br>國立臺中教育大學<br>科學教育與應用學系環境教育及管理碩士班<br>107<br>In response to the needs of human life, land use patterns are constantly changing, and while changing land use, it will also change the geography, hydrology, and ecology in the environment. In order to understand whether the change of land use pattern has any impact on river pollution, this study uses the SPOT satellite images of the Fengshan River Basin in Hsinchu County in 2003, 2013 and 2017 to use the most approximate method of supervised classification for land use type. To classify and analyze the changes in important water quality paramete

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23

韓孟學. "Experimental Study on Influence of Different Inflow Angles on Flow Field and Bed Changes Upstream and Downstream of Weir." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/3w98h6.

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碩士<br>國立交通大學<br>土木工程系所<br>106<br>Due to Taiwan’s rivers being steep with rapid flood flow, dams and weirs are usually built for the purpose of water resources supply and river stabilization. There are many types of damage to the dams or weirs, and the damage on the spillway surface is the most common type. The damage comes from the collision of coarse sediments on the spillway surface, which will erode the internal structure and finally endanger the safety of the weir/dam. When the weir is built on a meandering river, the incoming flow will be not perpendicular to the weir axis and thus result

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24

Kuan-HsienLan and 藍冠顯. "To investigate the downstream signaling change induced by the IL-6 glycoforms." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/bq43n2.

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25

Thayer, James Benjamin. "Downstream Variability of Fluvial Form, Process, and Character in a Small Deglaciated Watershed, Southern Ontario." Thesis, 2012. http://hdl.handle.net/1807/33568.

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Many deglaciated watersheds possess complex longitudinal profiles and spatially variable sediment sources derived from the last glaciation. Accordingly, downstream patterns in fluvial forms and characteristics of the channel and floodplain may diverge from conventional ‘graded’ watershed models where channel slope decreases downstream. Within a small, deglaciated watershed, five distinct fluvial forms were identified and it was found that the watershed is organized in a spatially variable, but generally inverted arrangement with stable, low-energy forms dominating the upper watershed and more

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26

Olah, Michelle Elizabeth. "The Activation of Novel Calcium-dependent Pathways Downstream of N-methyl-D-aspartate Receptors." Thesis, 2009. http://hdl.handle.net/1807/24324.

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Calcium (Ca2+) influx through N-methyl-D-asparate receptors (NMDARs) is widely held to be the requisite step initiating delayed neuronal death following ischemic stroke. However, blocking NMDARs fails to prevent the accumulation of intracellular Ca2+ ([Ca2+]i) and subsequent neurotoxicity. This suggests that alternate, as yet uncharacterized Ca2+-influx pathways exist in neurons. Transient receptor melastatin 2 (TRPM2) is a Ca2+-permeable member of the transient receptor potential melastatin family of cation channels whose activation by reactive oxygen/nitrogen species (ROS/RNS) and ADP-rib

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27

Mao, De Yu. "Chloride Intracellular Channel (CLIC) proteins function to modulate Rac1 and RhoA downstream of endothelial G-protein coupled receptors signaling." Thesis, 2019. https://doi.org/10.7916/d8-eyrq-5w43.

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Chloride intracellular channel proteins have homology to ion channels and omega class of glutathione-S-transferases but channel activity is not well established, suggesting roles in other signaling pathways. Among the six CLICs, CLIC1 and CLIC4 are expressed in endothelial cells (EC) and act to promote EC proliferation, capillary-like networks, and lumen formation. We and others determined that Sphingosine-1-phosphate (S1P) signaling promotes transient CLIC4 membrane localization. We report that CLIC1 and CLIC4 have distinct roles in endothelial S1P signaling. In knockdown studies, CLIC1 and C

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28

Taha, T., A. O. A. Lateef, and Jaan H. Pu. "Laminar and turbulent analytical dam break wave modelling on dry-downstream open channel flow." 2018. http://hdl.handle.net/10454/16598.

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Yes<br>A dam break wave caused by the discontinuity in depth and velocity of a flow is resulted from instantaneous release a body of water from a channel and classified naturally as a rapidly varied unsteady flow. Due to its nature, it is hard to be accurately represented by analytical models. The aim of this study is to establish the modelling differences and complexity echelons between analytically simulated explicit laminar and turbulent dry bed dam break wave free surface profiles. An in-depth solution to the free surface profile has been provided and evaluated by representing the reported

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29

CHEN, ALEX, and 陳宥叡. "A Study on Change of Upstream and Downstream River Bed of Flood Detention Dam been Reconstructed from the Check Dam." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/36415212735306666183.

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碩士<br>國立中興大學<br>水土保持學系<br>87<br>In Taiwan, check dam is one of the major structural measures for upstream channel improvement. However, the original river bio-system, especially, on the fish habitat, is seriously affected when the step-form stream channel is created after check dams were filled. With higher attention on natural environment protection, searching for alternatives of Check Dam becomes one of important research topics in this field and re-constructing traditional check dam into Detention Dam is one of the feasible techniques. Check Dam no.3 and no.4 of Gaul-Shane Cree

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30

Heitmuller, Franklin Thomas. "Downstream trends of alluvial sediment composition and channel adjustment in the Llano River watershed, Central Texas, USA : the roles of a highly variable flow regime and a complex lithology." 2009. http://hdl.handle.net/2152/6900.

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This study investigates the downstream controls of alluvial sediment composition and river channel adjustment in the Llano River watershed, Central Texas, USA. The Llano River watershed is characterized by a highly variable, flood-prone flow regime and a complex lithology of Cretaceous carbonate rock, Paleozoic sedimentary rock, and Precambrian igneous and metamorphic rock. Sedimentary variables for this study include particle size, sorting, carbonate content, and magnetic susceptibility. Channel adjustment includes the planform dimension and cross-sectional dimensions of bankfull- and macro-c

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