Relevant bibliographies by topics / Channel morphology

Contents

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

Academic literature on the topic 'Channel morphology'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Channel morphology"

1

Wohl, Ellen E., and David M. Merritt. "Bedrock channel morphology." Geological Society of America Bulletin 113, no. 9 (September 2001): 1205–12. http://dx.doi.org/10.1130/0016-7606(2001)113<1205:bcm>2.0.co;2.

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Wu, Weiming, Lu Wang, Xudong Ma, Ruihua Nie, and Xingnian Liu. "Flow Characteristics and Bed Morphology in a Compound Channel between Two Single Channels." Water 12, no. 12 (December 16, 2020): 3544. http://dx.doi.org/10.3390/w12123544.

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In mountainous areas, a river can widen from a single channel to a compound channel under the influence of geological conditions or human impacts, bringing about challenges in terms of flood control and channel regulation. This paper reports the results of tests conducted in a 26 m long flume with a uniform sediment bed (grain size = 0.5 mm), investigating the flow characteristics and bed morphology in a compound channel between two single channels. The stage‒discharge relationship in the compound channel and the longitudinal and cross-sectional bed profile in the compound channel between two single channels are presented and analyzed. The experimental results indicate that the flow characteristics and bed morphology in a compound channel between two single channels are significantly different from those in a normal compound channel. Based on the experimental data and observations, the mechanisms of flow and sediment transport in the compound channel between two single channels are illuminated.
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Jeong, Won-Jeong, Ji-Ho Yoo, Tae-Hong Kim, Myung-Don Kim, Hyun-Kyu Chung, Seok-Hee Bae, and Jeong-Ki Pack. "MIMO Channel Modeling Using Concept of Path Morphology." Journal of Korean Institute of Electromagnetic Engineering and Science 21, no. 2 (February 28, 2010): 179–87. http://dx.doi.org/10.5515/kjkiees.2010.21.2.179.

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Gaurav, K., F. Métivier, O. Devauchelle, R. Sinha, H. Chauvet, M. Houssais, and H. Bouquerel. "Morphology of the Kosi megafan channels." Earth Surface Dynamics Discussions 2, no. 2 (October 1, 2014): 1023–46. http://dx.doi.org/10.5194/esurfd-2-1023-2014.

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Abstract. We study the morphology of streams flowing on the alluvial megafan of the Kosi River in north Bihar, India. All streams develop on a uniform sandy sediment and under a similar climate, allowing for statistically significant comparisons. Our data set includes both channels from the braid of the Kosi River and channels from isolated single-thread rivers. Using an Acoustic Doppler Current Profiler, we measure the width, depth and water discharge of the channels. Their average slope is also acquired with a kinematic GPS. These morphological characteristics are strongly correlated with the discharge. However, rescaling the data according to the threshold channel theory removes most of this dependency. The rescaled data suggest that the threads of the Kosi River braid are morphologically similar to isolated channels.
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Sjogren, D. B., and R. B. Rains. "Glaciofluvial erosional morphology and sediments of the Coronation–Spondin Scabland, east-central Alberta." Canadian Journal of Earth Sciences 32, no. 5 (May 1, 1995): 565–78. http://dx.doi.org/10.1139/e95-048.

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Spatially discontinuous meltwater channel networks on the Canadian Prairies are usually interpreted as having formed subaerially in front of the retreating Laurentide ice sheet. Evidence in the Coronation–Spondin scabland, east-central Alberta, supports an alternative formation by progressive channelization of a subglacial sheetflow of water. The scabland is an integrated channel network with varying degrees of anabranching, the channels having highly variable sizes, shapes, and orientations. Enhanced scour at some channel confluences reflects contemporaneous channel utilization. Channels also display convex-up, concave-up, and undulatory along-channel profiles, with some junctions at the same elevations. Longitudinal grooves in large-scale channels are associated with numerous boulder deposits. Residual hills, demarcated by channels, display composite and streamlined forms. Superimposed on residuals are erosional transverse bedforms, longitudinal grooves, and undulating surfaces that indicate submergence for all but the last phase of channelization. Glaciofluvial deposits are found as pendant bars on the distal end of some large, flat-topped residuals, or as mantles superimposed on some residuals. The scabland is interpreted to have formed as a waning, subglacial sheetflood diverted around hummocky terrain to the southwest. A rapidly subsiding ice roof, and instability in the flow, eventually concentrated meltwater into discrete channels. Abrupt cessation of flow left discontinuous gravel–boulder deposits, and ice sheet loading formed small-scale glaciotectonic features as the ice recoupled to its bed. Subsequent deglaciation barely modified the scabland, leaving it straddling part of the modern topographic divide between the Battle and Red Deer river basins.
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Zhang, Ge, Bo Liu, Aiguo Xu, Yiming Shan, and Yingjun Li. "Morphology Effect of Surface Structures on Microchannel Flow Using Lattice Boltzmann Method." Geofluids 2019 (February 26, 2019): 1–14. http://dx.doi.org/10.1155/2019/3475872.

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Microchannel flow shows a fascinating background on a lot of engineering problems. In order to shed a light on the effect of the surface morphology of microchannels on fluid flow, differently shaped and arranged artificial elements constitute channels with different morphology and numerical simulation based on lattice Boltzmann method is conducted. The impact of micro effect is also stressed by comparing the results considering and not considering it in the same channel model. Analysis of flow details shows the difference of the morphology effect on fluid flow, which differs by the shape and density of the elements’ array. The permeability of channels shows a specific relationship with the density of artificial elements, and differences are found between varied shapes and the existence of micro effects. Further research is carried based on more complex channels with arrays of fractal-character artificial elements. As elements in the channel can be divided into main summits and subsummits, their different roles of the effect on the fluid flow is investigated. The result shows that the permeability will not change if main summits are kept in channels while all subsummits are removed to make a distinct simplification of the morphology. This discovery is furtherly ensured numerically by a test on a channel created with the profile of a rough rock surface. The finding for morphology effect on fluid flow can supply a reference for the prediction of the permeability of complex channels or fractures.
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Payenberg, T. H. D., and S. C. Lang. "RESERVOIR GEOMETRY OF FLUVIAL DISTRIBUTARY CHANNELS—IMPLICATIONS FOR NORTHWEST SHELF, AUSTRALIA, DELTAIC SUCCESSIONS." APPEA Journal 43, no. 1 (2003): 325. http://dx.doi.org/10.1071/aj02017.

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The exploration and development of stratigraphically trapped hydrocarbons requires detailed knowledge of the morphologies and reservoir characteristics of the stratigraphic body. Fluvial distributary channels are important exploration targets because they are typically isolated reservoirs, laterally and vertically sealed by delta plain and abandoned channel mudstone, and thus form excellent stratigraphic traps. The morphology and reservoir characteristics of fluvial distributary channels have been confused with fluvial channels in the past. Knowing the characteristics of fluvial distributary channels and their difference from fluvial channels is the key to the successful exploration and development of distributary channel reservoirs.Fluvial distributary channels, formed by mixed-load systems, are commonly rectilinear channel segments found only on the delta plain between the head of passes and the depositional mouthbars. While fluvial channel reservoirs are mainly sandstone deposits of meander pointbars or braided sheets, fluvial distributary channel reservoirs are typically elongated sandy channel sidebars attached to morphologically rectilinear channel walls. The sidebars form by both lateral and downstream accretion resulting from flow in a confined, but lowsinuosity thalweg, which may be filled with organic mud following channel abandonment. On 3D seismic data the morphology of a fluvial distributary channel is often slightly sinuous and can easily be mistaken for part of a meander channel belt.Fluvial distributary channels are usually thinner and shallower compared to their updip fluvial channel belts. Width-thickness ratios for fluvial distributary channel reservoirs are on average 50:1 (range 15:1 to 100:1), while meandering fluvial channel reservoirs have widththickness ratios typically >100:1, and braided river reservoirs show ratios of 500:1 or higher. Examples from the Mahakam Delta are used to illustrate these issues. Implications for exploration and development of deltaic deposits on the North West Shelf of Australia are discussed.
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Chang, Howard H. "River morphology and river channel changes." Transactions of Tianjin University 14, no. 4 (August 2008): 254–62. http://dx.doi.org/10.1007/s12209-008-0045-3.

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Best, James L. "The morphology of river channel confluences." Progress in Physical Geography: Earth and Environment 10, no. 2 (June 1986): 157–74. http://dx.doi.org/10.1177/030913338601000201.

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Heng, John E., David Zurakowski, Christian K. Vorwerk, Cynthia L. Grosskreutz, and Evan B. Dreyer. "Cation channel control of neurite morphology." Developmental Brain Research 113, no. 1-2 (March 1999): 67–73. http://dx.doi.org/10.1016/s0165-3806(98)00191-6.

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Dissertations / Theses on the topic "Channel morphology"

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McBride, Maeve. "Riparian Reforestation and Channel Morphology:." ScholarWorks @ UVM, 2007. http://scholarworks.uvm.edu/graddis/151.

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A three part investigation into the effects of riparian reforestation on small streams demonstrated the timing, nature, and processes of morphologic change. First, measurements of two small streams in northeastern Vermont collected in 1966 and 2004 – 2005 documented considerable change in channel width following a period of passive reforestation. Channel widths of several tributaries to Sleepers River were measured in 1966 when the area had more non-forested riparian vegetation than today. A longitudinal survey in 2004 of two of these tributaries, followed by detailed measurements at specific reaches in 2005, provided information on channel size, large woody debris (LWD), and riparian vegetation. Reforested reaches have widened and incised markedly since 1966. Reaches with the oldest forest were widest for a given drainage area, and the non-forested reaches were substantially narrower. A conceptual model was developed that describes a multi-phase process of incision, widening, and recovery following riparian reforestation of non-forested areas. Second, a fixed-bed hydraulic model of one of the streams was developed to evaluate the impact of forested riparian vegetation on near-bank turbulence during overbank flows. Flume experiments with kinematic similitude and a 1:5 scale represented half a channel and its floodplain, mimicking the size of a non-forested reach. Two types of vegetation were simulated: non-forested, with synthetic grass carpet; and forested, where wooden dowels were added. Three-dimensional velocities were measured with an acoustic Doppler velocimeter. Velocities, turbulent kinetic energy (TKE), and Reynolds shear stress showed significant differences between forested and non-forested runs. Forested runs exhibited a narrow band of high TKE in the near-bank region that was roughly two times greater than in non-forested runs. Hydraulic characteristics of forested runs appear to create an environment with higher erosion potential, thereby indicating a possible driving mechanism for channel widening in reforesting stream reaches. Third, Light Detection and Ranging (LiDAR) data from Chittenden County were analyzed to develop a method capable of classifying riparian buffers into broad classes according to forest type and age. The geospatial characteristics of the LiDAR data in forested areas were explored using semivariogram analysis, and LiDAR-based metrics were derived in a geographic information system (GIS) to quantify vegetation height and variance. The LiDAR-based metrics were then used in two discriminant analysis procedures that distinguished: 1) forest type as deciduous or coniferous; and 2) forest age in four age classes. With the resulting linear discriminant functions, a GIS-based classification method was developed. The classification method was highly successful at determining forest type but only moderately successful at determining forest age.
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Niemann, Jeffrey D. (Jeffrey Dean). "Channel network growth and river basin morphology." Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/43290.

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Turowski, Jens Martin. "Controls on bedrock channel morphology : experimental and theoretical investigations and comparison with natural channels." Thesis, University of Cambridge, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.613289.

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Miller, Hennessy Felicia, and Hennessy Felicia Miller. "Assessment of Ephemeral Channel Cross-Section Morphology Following Pipeline Construction in Southern Arizona." Thesis, The University of Arizona, 2017. http://hdl.handle.net/10150/624133.

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Morphologic change of ephemeral stream cross-sections is a natural component of fluvial geomorphology but disruptions to natural erosion and deposition by anthropogenic disturbances has the potential for cascading impacts down the channel corridor. The proximal impact of a natural gas pipeline construction on ephemeral stream cross-section geometry in southern Arizona was evaluated from July 2014 (pre-construction) to July 2016 (two years post construction). Cross-sections at three locations (upstream the pipeline Right-Of-Way (ROW)), through the middle of the ROW, and downstream of the ROW) were measured using Light Detection And Ranging (LIDAR) and field methods for 16 ephemeral streams. Results of both the LIDAR and field measurements indicated insignificant difference in cross-sectional area change between upstream, across, and downstream-ROW cross-sections [(F 2,64) = 0.341, p = 0.73; (F2,18)= 0.980, p = 0.395]. Sediment generated during pipeline construction appeared to have moved beyond the physical confines of the study site, which limited the assessment of larger-scale geomorphic impacts. Furthermore, the 2014-2016 study period experienced only small (high-recurrence frequency) precipitation events, indicating the absence of large flows capable of significant morphologic change. To further explain differences in cross-section area change between LIDAR datasets, a linear regression model was used to assess the predictive value of nine variables: year of measurement, drainage area, drainage density, basin slope, upstream-, across-, downstream-ROW cross-section locations, percent bare soil in basin, percent mesquite in basin, total precipitation, and number of storms with average precipitation above 25 mm/hour. Though the amount of bare soil in the basin and the second study period (February 2015-July 2016) at least partially explained the changes in cross-section area, the model was not a strong predictor of morphologic change during the 2014-2016 study period. The majority of the variability in cross-sectional area change in the study basins remained unexplained.
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Adams, Beverley Joanne. "A geomorphological interpretation of saltmarsh channel network morphology and function." Thesis, University College London (University of London), 2001. http://discovery.ucl.ac.uk/1317552/.

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Although tidal channel networks are a near-ubiquitous feature of saltmarsh environments developed on the marine sedimentary shores of Britain, only limited progress has been made towards achieving a scientific understanding of their morphological characteristics and the physical functions that they perform. Based on data acquired from a combination of high resolution aerial photography and field survey, a range of descriptive indices and morphometric measures are used to characterise planimetric, longitudinal and cross-sectional adjustment in saltmarsh channel networks from 29 localities around England and Wales. In accordance with the extensive methodological approach employed during this exploratory phase of the study, regularities and distinguishing features of the selected formations are interpreted in terms of broad-scale environmental controls, which represent the relative intensity of erosional versus resistive forces. While statistical analyses suggest that creek morphology reflects a multiplicity of influences, the strongest bivariate associations, between tidal prism and cross-sectional geometry, are consistent with the finding of earlier process studies that creek morphology is principally adapted to perform a conveyance function. Theoretically-based mathematical models are employed to more fully elucidate relations of causality between creek morphology and function. This intensive investigation utilises Brancaster Marsh, Norfolk as an illustrative case study. The availability of airborne laser altimetry (lidar) for this site facilitates the evaluation of alternative models of channel function. Optimality models of angular geometry are implemented at a network-scale, and cross-sectional adjustments are modelled with reference to the concept of stability shear stress. While of interest from a geomorphological perspective, the insights offered into creek morphology and function are also relevant to the field of coastal engineering. Here, they provide an empirical basis for post-project appraisal, and may lead to theoretical guidelines for the design of tidal channel networks, as an integral component of saltmarsh restoration and flood defence realignment schemes.
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Kozarek, Jessica Lindberg. "Channel Morphology and Riparian Vegetation Influences on Fluvial Aquatic Habitat." Diss., Virginia Tech, 2011. http://hdl.handle.net/10919/77172.

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As public awareness of river degradation has grown in recent years, the number of stream restoration activities has increased dramatically. Anthropogenic influences at a range of spatial scales from watershed landuse to riparian vegetation management to local channel morphology can have hierarchical relationships to local (meso- and macro-) in-stream habitat characteristics. This research examined these influences first by examining the influence of complex channel morphology on meso-scale brook trout (Salvelinus fontinalis) habitat in Shenandoah National Park, VA, and then by examining the combined influence of watershed urbanization and riparian vegetation (100-200 m reaches) on stream temperature. Moving beyond one-dimensional (1D) averaged representations of fish habitat, this research explored the distribution of two-dimensional (2D) flow complexity metrics at the meso-habitat scale as explanatory variables for brook trout habitat preferences and as potential metrics to evaluate habitat restoration design. Spatial hydraulic complexity metrics, including area-weighted circulation and kinetic energy gradients, were calculated based on 2D depth averaged modeled velocity distributions in two 100-m reaches on the Staunton River. While there were no statistically significant correlations between kinetic energy gradients or area-weighted circulation and fish density, fish density was positively correlated to the percent of the channel dominated by protruding boulders. The structural complexity of areas with protruding boulders create complex flow patterns suggesting that flow complexity plays an important role in available brook trout habitat preferences at the local scale, although the 2D depth averaged model may not have adequately represented this complexity. The 2D distribution of flow characteristics was then investigated further to quantify areas of flow refugia (low velocity shelters) and the relationship between these areas, traditional measures of habitat quality, and fish biomass. Flow complexity in the vicinity of flow obstructions (in this case, boulders) was investigated further using patch classification and landscape ecology metrics. The relative influence of riparian vegetation on stream temperature (another important habitat characteristic) in urban and nonurban watersheds was investigated in 27 paired forested and nonforested reaches in PA, MD, and DE. Riparian vegetation and watershed-scale urbanization both influence stream temperature, which can have profound impacts on in-stream ecosystems. Generally, increased urbanization and removal of riparian forest influenced maximum stream temperatures resulting in higher maximum summer stream temperatures (up to 1.8°C); however, the influence of riparian forests (at at 100-200 m reach scale) decreased with increasing urbanization. Extreme maximum summer temperatures, which are a concern for aquatic biota, increased in both frequency and duration in urban nonforested reaches relative to forested reaches indicating that the addition of a forested 100-200 m long buffer partially mitigated these temperature extremes even in urban watersheds. Overall, changes to channel morphology and riparian vegetation had measurable local effects on stream habitat (temperature and hydraulic complexity) yet the implications of restoration efforts at the local scale on ecosystem services at a larger (km +) scale requires further study.
Ph. D.
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Gunton, Alan Kenneth. "Beach evolution and environmental forcing factors : Jersey, Channel Islands." Thesis, Lancaster University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.337364.

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Badelt, Brad. "Change in channel morphology due to urbanization in Morningside Creek, Ontario." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ47305.pdf.

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Beaumont, Ryan M. "Developing DNS Tools to Study Channel Flow Over Realistic Plaque Morphology." Fogler Library, University of Maine, 2007. http://www.library.umaine.edu/theses/pdf/BeaumontRM2007.pdf.

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Ranganath, Sheila Casaba. "Recovery of Channel Morphology and Benthic Macroinvertebrate Assemblages after Livestock Exclusion." Thesis, Virginia Tech, 2007. http://hdl.handle.net/10919/33455.

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Measurements in paired stream reaches with and without livestock access in southwestern Virginia suggest that livestock exclusion practices installed on short, isolated stream reaches result in improved geomorphic and riparian vegetation condition, but do not significantly improve the benthic macroinvertebrate assemblage. Detailed longitudinal and cross-sectional surveys, pebble counts, and rapid geomorphic assessments were conducted on contiguous, paired stream reaches (5 pairs) with and without active livestock access across a range of time since livestock exclusion was implemented. In addition, bank characteristics were quantified by measuring groundcover biomass, shrub crown volume, tree density and diameter, soil bulk density, and particle-size analysis. Benthic macroinvertebrates were collected with a D-frame dip net and quantified using the Virginia Stream Condition Index (SCI), and other benthic macroinvertebrate metrics. We determined that: 1) small lengths of livestock exclusion can significantly increase channel depth and decrease the width to depth ratio, and increase groundcover vegetation growth, but do not significantly alter benthic macroinvertebrate assemblages; and, 2) qualitative geomorphic assessment results showed trends over time since exclusion (0 to greater than 50 years), but not in any of the other parameters evaluated. These observations suggest that a more targeted and holistic approach that addresses watershed-wide impacts must be implemented to restore aquatic habitat. (Key Words: CREP, stream channel morphology, livestock exclusion, agriculture, benthic macroinvertebrates, riparian buffers.)
Master of Science
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Books on the topic "Channel morphology"

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Grande, Terry. Morphology and development of the postcranial skeleton in the channel catfish Ictalurus punctatus (Ostariophysi: Siluriformes). [Chicago, Ill.]: Field Museum of Natural History, 2002.

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Estep, Margaret A. Transport of bedload sediment and channel morphology of a southeast Alaska stream. [Portland, Or.]: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1985.

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McCaffrey, William F. Channel morphology of Cottonwood Creek near Cottonwood, California, from 1940 to 1985. Sacramento, Calif: Dept. of the Interior, U.S. Geological Survey, 1988.

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Estep, Margaret A. Transport of bedload sediment and channel morphology of a southeast Alaska stream. [Portland, Or.]: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1985.

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Estep, Margaret A. Transport of bedload sediment and channel morphology of a southeast Alaska stream. [Portland, Or.]: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1985.

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Toriman, Mohd Ekhwan bin. The effect of urbanisation on the stream channel morphology of Chorlton Brook, Manchester. Manchester: University of Manchester, 1996.

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Chase, Katherine J. Channel-morphology data for the Tongue River and selected tributaries, southeastern Montana, 2001-02. Reston, Va: U.S. Geological Survey, 2004.

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G, Roberts R. Stream channel morphology: Major fluvial disturbances in logged watersheds on the Queen Charlotte Islands. Victoria, B.C: BC Ministry of Forests and Lands, 1988.

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Hogan, Daniel Lewis. Channel morphology of unlogged, logged, and debris torrented streams in the Queen Charlotte Islands. Victoria, B.C: Ministry of Forests and Lands, 1987.

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Lawlor, Sean M. Determination of channel-morphology characteristics, bankfull discharge, and various design-peak discharges in western Montana. Reston, Va: U.S. Geological Survey, 2004.

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Book chapters on the topic "Channel morphology"

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Mangelsdorf, Joachim, Karl Scheurmann, and Fritz-Heinz Weiß. "Channel Geometry." In River Morphology, 92–140. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-83777-7_5.

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Mueller, Xavier M. "Laser Channel Morphology." In Lasers for Ischemic Heart Disease, 77–95. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56798-8_10.

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Kondolf, G. Mathias, Remi Loire, Hervé Piégay, and Jean-Réné Malavoi. "Dams and channel morphology." In Environmental Flow Assessment, 143–61. Chichester, UK: John Wiley & Sons, Ltd, 2019. http://dx.doi.org/10.1002/9781119217374.ch8.

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Buffington, John M. "Changes in Channel Morphology Over Human Time Scales." In Gravel-Bed Rivers, 433–63. Chichester, UK: John Wiley & Sons, Ltd, 2012. http://dx.doi.org/10.1002/9781119952497.ch32.

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Laberg, J. S., and T. O. Vorren. "Morphology of the Lofoten Basin Channel." In European Margin Sediment Dynamics, 99–101. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-55846-7_15.

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Masson, D. G., N. H. Kenyon, J. V. Gardner, and M. E. Field. "Monterey Fan: channel and overbank morphology." In Atlas of Deep Water Environments, 74–79. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-1234-5_13.

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Church, Michael. "Channel Stability: Morphodynamics and the Morphology of Rivers." In Rivers – Physical, Fluvial and Environmental Processes, 281–321. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-17719-9_12.

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Wohl, Ellen E. "Bedrock channel morphology in relation to erosional processes." In Rivers Over Rock: Fluvial Processes in Bedrock Channels, 133–51. Washington, D. C.: American Geophysical Union, 1998. http://dx.doi.org/10.1029/gm107p0133.

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Miyahara, Hirofumi, and Keisaku Ogi. "Solidification Interface Morphology in Narrow Channel during Unidirectional Solidification." In Materials Science Forum, 2703–8. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-960-1.2703.

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Kuznetsova, Alexandra, José A. Almeida, and Paulo Legoinha. "Stochastic Simulation of the Morphology of Fluvial Sand Channel Reservoirs." In Lecture Notes in Earth System Sciences, 639–42. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-32408-6_139.

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Conference papers on the topic "Channel morphology"

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Vadnjal, Aleksander, and Ivan Catton. "Optimization of Micro Channel Morphology." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-15923.

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An increasing demand for a higher heat flux removal capability within a smaller volume for high power electronics led us to focus on micro channels in contrast to the classical heat fin design. A micro channel can have various shapes to enhance heat transfer, but the shape that will lead to a higher heat flux removal with a moderate pumping power needs to be determined. The standard micro-channel terminology is usually used for channels with a simple cross section, e.g. square, round, triangle, etc., but here the micro channel cross section is going to be expanded to describe more complicated and interconnected micro scale channel cross sections. The micro channel geometries explored are pin fins (in-line and staggered), parallel plates and sintered porous micro channels (see Fig.1). The problem solved here is a conjugate problem involving two heat transfer mechanisms; 1) porous media effective conductivity and 2) internal convective heat transfer coefficient. Volume averaging theory (VAT) is used to rigorously cast the point wise conservation of energy, momentum and mass equations into a form that represents the thermal and hydraulic properties of the micro channel (porous media) morphology. Using the resulting VAT based field equations, optimization of a micro channel heated from one side is used to determine the optimum micro channel morphology. A small square of 1 cm 2 is chosen as an example and the thermal resistance, 0C/W, and pressure drop are shown as a function of Reynolds number.
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Won-Jeong Jeong, Ji-Ho Yoo, Tae-Hong Kim, Myung-Don Kim, Hyun Kyu Chung, Seok-Hee Bae, and Jeong-Ki Pack. "MIMO channel modeling using path morphology." In 2010 IEEE International Symposium Antennas and Propagation and CNC-USNC/URSI Radio Science Meeting. IEEE, 2010. http://dx.doi.org/10.1109/aps.2010.5561720.

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Skoglund, Rannveig, and Max Koller. "FLUVIAL CHANNEL MORPHOLOGY IN WESTERN NORWAY AND RESILIENCE TO CHANGE." In GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-296510.

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Магрицкий, Д., D. Magrickiy, К. Можаева, and K. Mozhaeva. "THE FEATURES OF MODERN CHANGES OF MORPHOLOGY AND WATER REGIME OF CHANNELS IN SULAK AND TEREK RIVER DELTAS." In Sea Coasts – Evolution ecology, economy. Academus Publishing, 2018. http://dx.doi.org/10.31519/conferencearticle_5b5ce3d0c4b352.39136673.

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On the basis of available hydrological data and results of expedition sounding works the detailed analysis of long-term changes of water levels in the main channels of Terek and Sulak river deltas, vertical and planned deformations of channels, parameters of channels and a river stream is made. The contribution to change of water levels in channels of the water discharges, channel processes, mouth lengthening and sea level fluctuations is quantitatively estimated. Differentiation of delta channels on character and factors of channel processes and changes of water levels is executed. Reliable tools (in the form of empirical dependences) for calculation of water levels on hydrological posts in the Terek and Sulak river deltas on the main factors are created. Received for results allow to optimize water economic actions in deltas of Terek and Sulak, to deepen our knowledge of mouth processes, especially at considerable change of factors of these processes.
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Kalyanapu, A., D. Judi, S. Burian, B. Hodge, A. Berscheid, and T. McPherson. "Channel Morphology Tool (CMT): A GIS-Based Automated Extraction Model for Channel Geometry." In World Environmental and Water Resources Congress 2007. Reston, VA: American Society of Civil Engineers, 2007. http://dx.doi.org/10.1061/40927(243)96.

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Bösch, L., E. Battisacco, M. Franca, and A. Schleiss. "Influence of consecutive sediment replenishment on channel bed morphology." In The International Conference On Fluvial Hydraulics (River Flow 2016). Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742: CRC Press, 2016. http://dx.doi.org/10.1201/9781315644479-182.

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Lu, Yabing, Miao Zhang, Lingsha Zheng, and Yi Shen. "Dark channel prior principle and morphology based horizon detection method." In 2017 IEEE International Instrumentation and Measurement Technology Conference (I2MTC). IEEE, 2017. http://dx.doi.org/10.1109/i2mtc.2017.7969733.

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Mansoor Delali Leh, Sreekala Gopalapillai Bajwa, Indrajeet Chaubey, and Jackson Cothren. "A remote sensing based methodology of delineating stream channel morphology." In 2008 Providence, Rhode Island, June 29 - July 2, 2008. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2008. http://dx.doi.org/10.13031/2013.25124.

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Lai, Yong G. "Channel Morphology Prediction with and without a Temporary Channel Upstream of the Elephant Butte Reservoir." In World Environmental And Water Resources Congress 2012. Reston, VA: American Society of Civil Engineers, 2012. http://dx.doi.org/10.1061/9780784412312.125.

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Chu, Peter Po-Jen, Yu-Shin Fang, and Yu-Chen Tseng. "Decoupling ion conductivity and fluid permeation through optimizing hydrophilic channel morphology." In VIII INTERNATIONAL CONFERENCE ON “TIMES OF POLYMERS AND COMPOSITES”: From Aerospace to Nanotechnology. Author(s), 2016. http://dx.doi.org/10.1063/1.4949646.

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Reports on the topic "Channel morphology"

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Hakkila, G. A. Alaska Division of Mining reference manual for channel morphology. Alaska Division of Geological & Geophysical Surveys, 1990. http://dx.doi.org/10.14509/1457.

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Knuuti, Kevin, and Dinah McComas. Assessment of Changes in Channel Morphology and Bed Elevation in Mad River, California, 1971-2000. Fort Belvoir, VA: Defense Technical Information Center, September 2003. http://dx.doi.org/10.21236/ada418489.

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Lichvar, Robert, David Cate, Corinna Photos, Lindsey Dixon, Bruce Allen, and Joel Byersdorfer. Vegetation and Channel Morphology Responses to Ordinary High Water Discharge Events in Arid West Stream Channels. Fort Belvoir, VA: Defense Technical Information Center, May 2009. http://dx.doi.org/10.21236/ada508422.

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Mayne, Casey, David May, and David Biedenharn. Empirical analysis of effects of dike systems on channel morphology and flowlines. Engineer Research and Development Center (U.S.), March 2021. http://dx.doi.org/10.21079/11681/39799.

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A phased study of the dike fields within the Vicksburg and Memphis Districts of the US Army Corps of Engineers was conducted to document the channel morphology trends since dike construction on the Lower Mississippi River (LMR). This included the development of the hydrographic survey database and methodology utilized to identify changes in channel geometry in response to dike construction. A subsequent report will provide further refinements to the approach and results of the comprehensive assessment. Recent Mississippi River Geomorphology and Potamology program efforts have employed the database developed by Mr. Steve Cobb to assess the geomorphic changes in 21 dike systems along the LMR. Previous studies using this database have indicated that the dike fields have not caused a loss of channel capacity. Furthermore, these efforts suggested that the trends in the dike fields are closely related to the long-term geomorphic trends along the LMR. Previous efforts using the Cobb database provided considerable insight into the dike effects on the LMR, but they were limited spatially and temporally. In this study, a database and protocols were developed to allow for a more robust assessment of dike field impacts and to extend the spatial and temporal extents of the analysis.
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Estep, Margaret A., and Robert L. Beschta. Transport of bedload sediment and channel morphology of a southeast Alaska stream. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1985. http://dx.doi.org/10.2737/pnw-rn-430.

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Wallerstein, N., and C. R. Thorne. Impacts of Woody Debris on Fluvial Processes and Channel Morphology in Stable and Unstable Streams. Fort Belvoir, VA: Defense Technical Information Center, June 1995. http://dx.doi.org/10.21236/ada286853.

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Wallerstein, N., and C. R. Thorne. Impacts of Woody Debris on Fluvial Processes and Channel Morphology in Stable and Unstable Streams. Fort Belvoir, VA: Defense Technical Information Center, June 1997. http://dx.doi.org/10.21236/ada286930.

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Wallerstein, N., and C. R. Thorne. Impacts of Woody Debris on Fluvial Processes and Channel Morphology in Stable and Unstable Streams. Fort Belvoir, VA: Defense Technical Information Center, May 1996. http://dx.doi.org/10.21236/ada286933.

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Cooper, Christopher, Jacob McDonald, and Eric Starkey. Wadeable stream habitat monitoring at Congaree National Park: 2018 baseline report. National Park Service, June 2021. http://dx.doi.org/10.36967/nrr-2286621.

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The Southeast Coast Network (SECN) Wadeable Stream Habitat Monitoring Protocol collects data to give park resource managers insight into the status of and trends in stream and near-channel habitat conditions (McDonald et al. 2018a). Wadeable stream monitoring is currently implemented at the five SECN inland parks with wadeable streams. These parks include Horseshoe Bend National Military Park (HOBE), Kennesaw Mountain National Battlefield Park (KEMO), Ocmulgee Mounds National Historical Park (OCMU), Chattahoochee River National Recreation Area (CHAT), and Congaree National Park (CONG). Streams at Congaree National Park chosen for monitoring were specifically targeted for management interest (e.g., upstream development and land use change, visitor use of streams as canoe trails, and potential social walking trail erosion) or to provide a context for similar-sized stream(s) within the park or network (McDonald and Starkey 2018a). The objectives of the SECN wadeable stream habitat monitoring protocol are to: Determine status of upstream watershed characteristics (basin morphology) and trends in land cover that may affect stream habitat, Determine the status of and trends in benthic and near-channel habitat in selected wadeable stream reaches (e.g., bed sediment, geomorphic channel units, and large woody debris), Determine the status of and trends in cross-sectional morphology, longitudinal gradient, and sinuosity of selected wadeable stream reaches. Between June 11 and 14, 2018, data were collected at Congaree National Park to characterize the in-stream and near-channel habitat within stream reaches on Cedar Creek (CONG001, CONG002, and CONG003) and McKenzie Creek (CONG004). These data, along with the analysis of remotely sensed geographic information system (GIS) data, are presented in this report to describe and compare the watershed-, reach-, and transect-scale characteristics of these four stream reaches to each other and to selected similar-sized stream reaches at Ocmulgee Mounds National Historical Park, Kennesaw Mountain National Battlefield Park, and Chattahoochee National Recreation Area. Surveyed stream reaches at Congaree NP were compared to those previously surveyed in other parks in order to provide regional context and aid in interpretation of results. edar Creek’s watershed (CONG001, CONG002, and CONG003) drains nearly 200 square kilometers (77.22 square miles [mi2]) of the Congaree River Valley Terrace complex and upper Coastal Plain to the north of the park (Shelley 2007a, 2007b). Cedar Creek’s watershed has low slope and is covered mainly by forests and grasslands. Cedar Creek is designated an “Outstanding Resource Water” by the state of South Carolina (S.C. Code Regs. 61–68 [2014] and S.C. Code Regs. 61–69 [2012]) from the boundary of the park downstream to Wise Lake. Cedar Creek ‘upstream’ (CONG001) is located just downstream (south) of the park’s Bannister Bridge canoe landing, which is located off Old Bluff Road and south of the confluence with Meyers Creek. Cedar Creek ‘middle’ and Cedar Creek ‘downstream’ (CONG002 and CONG003, respectively) are located downstream of Cedar Creek ‘upstream’ where Cedar Creek flows into the relatively flat backswamp of the Congaree River flood plain. Based on the geomorphic and land cover characteristics of the watershed, monitored reaches on Cedar Creek are likely to flood often and drain slowly. Flooding is more likely at Cedar Creek ‘middle’ and Cedar Creek ‘downstream’ than at Cedar Creek ‘upstream.’ This is due to the higher (relative to CONG001) connectivity between the channels of the lower reaches and their out-of-channel areas. Based on bed sediment characteristics, the heterogeneity of geomorphic channel units (GCUs) within each reach, and the abundance of large woody debris (LWD), in-stream habitat within each of the surveyed reaches on Cedar Creek (CONG001–003) was classified as ‘fair to good.’ Although, there is extensive evidence of animal activity...
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Taylor, R. B., S. L. Wittmann, M. J. Milne, and S. M. Kober. Beach morphology and coastal changes at selected sites, mainland Nova Scotia. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1985. http://dx.doi.org/10.4095/120287.

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