Relevant bibliographies by topics / Siltation

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

Academic literature on the topic 'Siltation'

Author: Grafiati
Published: 4 June 2021
Last updated: 20 February 2023

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Journal articles on the topic "Siltation"

1

Velojic, Miljan. "The natural effects of transverse structures in Gabrovacka reka torrent." Bulletin of the Faculty of Forestry, no. 85 (2002): 37–49. http://dx.doi.org/10.2298/gsf0285037v.

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The classical European system based on the construction of transverse structures is very significant in the solving of the problems of deep and lateral erosion and sediment accumulation in torrent beds. However, due to their effective height on the upstream side, the dams check and accumulate the sediment making the siltation (deposition of silt) whose slope is called the slope of siltation. This paper presents the natural effects of transverse structures (dams) in Gabrova?ka reka, which can be quantified. The paper presents the effects of bed slope on the slopes of siltation and the amounts of accumulated sediment in the siltations, because the effects of technical works are primarily evaluated by the slopes of siltation and by the amounts of accumulated sediment. The analysis of the dependence of newly formed slopes of siltation (Iz) on natural bed slopes (It) was performed by the method of modeling, as the main method, and also by regression and correlation analyses (simple correlation), as concrete study methods. Under the hypothesis that the siltations have a regular wedge, i.e. prismatic form, the accumulated sediment W [m3] in the siltations was calculated by B. Kitin (1975) formula. The study results confirm the very high correlation between the slopes of siltation and bed slope and present the amounts of the accumulated sediment in the conditions of different natural bed slopes and valley widths. This is a useful information which can improve and make more efficient the work on torrent con1rol with similar orographic, petrographic and particle size characteristics.
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Zhang, Zhuoli, Wei Gao, Ping Li, Jie Liu, Yuanqin Xu, Xia Wei, and Anlong Li. "Influencing Factors of Submarine Scouring and Siltation Changes in Offshore Area of Shandong Peninsula." Water 15, no. 3 (January 21, 2023): 435. http://dx.doi.org/10.3390/w15030435.

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This study constructs a digital elevation model of the coastal waters of the Shandong Peninsula using GIS-based interpolation methods to investigate the 15-year characteristics of seabed scouring and siltation. It utilizes depth data of the Shandong Peninsula’s offshore area between 2004 and 2006 and 2017 and 2019. The results indicated that the Shandong Peninsula’s coastal-water seabed is characterized by integral siltation and local point scouring. In addition, the northwest Shandong Peninsula is dominated by siltation, mainly distributed between 2 and 5 m isobaths, with the largest siltation area located in Laizhou Bay. The net volume of siltation is 2.13 × 108 m3, the siltation rate is 0.152 × 108 m3.a−1, and the scouring is concentrated in the estuary and the west coast of Laizhou Bay. Scouring and siltation balance generally characterize the seabed in the northern coastal waters of the Shandong Peninsula, and the degree of scouring and siltation is weak. The siltation occurs primarily near the land area, while scouring occurs as the sea deepens. In the northeast of the Shandong Peninsula, the degree of scouring and siltation is extreme, and their distribution range is small, whereas in the south, siltation is distributed in large bays and straight coastal offshore waters, and its degree is relatively weak. At the southernmost end of the study area, the scouring and siltation in Jiaozhou Bay are spatially distributed and balanced. In reality, the key factors affecting the distribution of coastal-seabed scouring and siltation are materials transported by river sediment, coastal scouring, and human activities.
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Osei, R., G. B. Abaka-Wood, G. Ofori-Sarpong, and R. K. Amankwah. "Siltation of Ore Particles in Leaching Tanks: Causative Factors and Mitigation Measures." Ghana Mining Journal 16, no. 2 (December 20, 2016): 51–57. http://dx.doi.org/10.4314/gm.v16i2.7.

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Siltation involves the accumulation of sediment over a considerable period of time and this may occur in closed systems like leaching tanks. Most mining companies in Ghana experience siltation problems during leaching of gold ore. This paper examines the potential causes and possible mitigation measures of siltation. Particle size analysis, slurry settling rate tests and agitation efficiency analysis were used in identifying causative factors of siltation whiles deflocculation test and grind analysis were conducted to ascertain mitigation measures. Results from the study indicated that, high settling velocity of particles, inefficient milling and classification, poor slurry agitation and particle flocculation were the major causative factors leading to siltation. Size analysis results revealed P67 of 106 µm instead of P80 of 106 µm, a situation which affects particle suspension by agitators leading to siltation. This study therefore suggests that increase in milling residence time and particle deflocculation are potential remediation measures for curbing siltation. Extended grinding of ball mill feed resulted in 94% passing 106 µm while settling velocity was reduced by 71% after deflocculant addition at 1000 ppm. Keywords: Siltation, Deflloculation, Settling Velocity, Grinding
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Hu, H. H., A. J. Deng, J. G. Chen, H. L. Shi, and M. Ye. "A Research Overview of the Siltation Loss Controls and Capacity Recovery Processes in China’s Reservoirs." MATEC Web of Conferences 246 (2018): 01086. http://dx.doi.org/10.1051/matecconf/201824601086.

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There are many reservoirs in China with serious siltation issues which are affecting the function and safety of the reservoirs. Recently, research studies have been carried out regarding siltation loss control and capacity recovery technology due to the decreases in suitable dam sites for establishing reservoirs, and the increasingly serious siltation losses which have been occurring in the present reservoirs. The results of these studies have been of great significance to the partial recoveries of the siltation capacities of reservoirs, improvements in the respective efficiencies of the current reservoirs, and the prolonging of the service life the reservoirs. This study presented a simple review of the previous research findings regarding the current siltation loss situations and controls, as well as the capacity recoveries which have been achieved. Also, this study proposed the urgent need for in-depth examinations to be conducted pertaining to the national investigations of the reservoir siltation status in China, as well as a review of the current mechanisms and control measures for reservoir siltation losses.
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Jiang, Cui Qing, Rui Ya Wang, Fa Xiang Chen, and Zhao Wang. "The Study of Siltation State Assessment Method of Urban Sewer Network Based on the Internet of Things." Applied Mechanics and Materials 668-669 (October 2014): 1430–33. http://dx.doi.org/10.4028/www.scientific.net/amm.668-669.1430.

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To provide siltation state information for dredging of urban sewer network, an evaluation method of siltation state based on data collected through the Internet of things is proposed. We present a data acquisition program, and use the adaptive weighted fusion algorithm as a data preprocessing method. Based on Manning formula, an assessment model of siltation state is established. The experiment proves that this assessment model of siltation state is effective for sewer network.
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Fu, Ling Fen, De An Wu, Xiao Jian She, and Jin Xian Pan. "Sediment Siltation at Boundless Pool of Double Happiness Island Zhangzhou." Advanced Materials Research 1065-1069 (December 2014): 509–12. http://dx.doi.org/10.4028/www.scientific.net/amr.1065-1069.509.

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the paper is based on numerical model to analyze the siltation of the boundless pool, which built on artificial beach of the east side of double happiness island, Zhangzhou. Using the formulas of W.D.Eysink to calculate the siltation of the pool and analyze the influence of siltation while considering the affect of reflow. The result is that the strength of silation of lowland pool is 0.043m/a, highland pool is 0.017m/a, and the total siltation is 122.73m3.
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Skryl'nikov, V. A. "Calculation of reservoir siltation." Hydrotechnical Construction 22, no. 8 (August 1988): 481–86. http://dx.doi.org/10.1007/bf01432217.

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Li, Hua, Yifeng Wang, Jingyu Zhang, Liangpeng Wan, Qiao Jiang, Hongyue Pan, Yuanyuan Hu, and Kun Wang. "Model Test Research on the Influence of Gate Blocking in Siltation Environment." Advances in Civil Engineering 2021 (March 10, 2021): 1–9. http://dx.doi.org/10.1155/2021/6674534.

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Aiming at the clogging problems encountered in the operation of deep-hole gates in high water level reservoirs and dams, this paper carried out a model test study on the influence of different materials and different siltation environments on the lifting of the gates and analyzed the rules of the effects of blockages in different siltation environments. An analysis model of the pull-out force of the gate (blocked object) considering the siltation environment was proposed in an innovative way and the similarity ratio relationship was verified. The results of the study show that (1) the size and time of the siltation and other factors have a significant influence on the pulling force of the blocked object. It increases with the increase of the siltation area. The longer the siltation goes on, the greater the pulling force will be. (2) As the similarity ratio n increases, the calculation result of the analysis model is closer to the target value n 2 and it indicates that the theoretical model is reliable. The research results of this paper can provide certain guidance for deep-hole siltation dispatch to ensure project safety.
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Zhang, Xin Zhou, Yin Yan Song, and Shao Ming Chen. "Simulation Study on Deposition Downstream Floodgates in Estuarine." Applied Mechanics and Materials 580-583 (July 2014): 2037–40. http://dx.doi.org/10.4028/www.scientific.net/amm.580-583.2037.

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Siltation in the rivers downstream of floodgates is serious in China, making the discharge capacity of rivers decrease obviously and threatening the flood control in upper rivers. Tidal wave deformation is one conclusive dynamic factor leading to siltation downstream of floodgates in estuaries. A 2-D numerical model of tide and sediment transport is established to simulate the distribution of sediment siltation downstream of the floodgate, and several conclusions are obtained in this paper which can provide some theoretical basis for the prediction and analysis of the siltation characteristics in lower reach caused by floodgates in estuaries.
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Wang, Jun, Wei Guo, and Hai Tao Xu. "Research on Sediment Problem in Dam Area of Three Gorges Project." Applied Mechanics and Materials 638-640 (September 2014): 770–73. http://dx.doi.org/10.4028/www.scientific.net/amm.638-640.770.

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The Three Gorges Project is the biggest hydraulic engineering and it brings great comprehensive benefits such as flood control, power generation, navigation, and water supply. According to the sedimentation prototype observation on the early stage of the Three Gorges Project operation, the sedimentation pattern of dam area and the upper part of power plant, as well as the channel sedimentation are analyzed after the systematic arrangement of the prototype observation, at the same time, the formation mechanism and development of siltation are studied based on river dynamics theory. The analysis shows that: the early siltation does not have important influence on the operation of the Three Gorges Project, the sedimentation of dam area occurs mainly in the wide section while little siltation in the narrow section and the siltation intensity is greater while the location is close to the dam from the view of the siltation distribution.
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Dissertations / Theses on the topic "Siltation"

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Tolouie, Esmaiel. "Reservoir sedimentation and de-siltation." Thesis, University of Birmingham, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.551025.

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An attempt has been made to review and summarize available knowledge pertaining to sedimentation and de-siltation of storage reservoirs. Additional data have been collected on Sefid - Rud Reservoir (Iran), during its normal and de-siltation operation periods. Some supplementary measures have been introduced to increase the de-siltation efficiency of flushing operations, based on field observations and experiments made during de- iltation operation of Sefid - Rud Reservoir. These measures seem to be a practical and cheap tools for conservation and rehabilitation of large - capacity reservoirs. It is hoped that the subject of resevoir sedimentation may be advanced as much as its importance warrants.
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Velasco, Victor V. "Evaluation and cost comparison of anti-siltation systems and traditional dredging methods." Springfield, Va. : Available from National Technical Information Service, 2000. http://handle.dtic.mil/100.2/ADA387800.

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White, James. "The use of sediment traps to monitor marina siltation with particular reference to Port Hamble Marina." Thesis, University of Southampton, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.277497.

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Soetanto, Budi, and soetanto@gmail com. "EVALUATION OF SEDIMENTATION PROCESSES IN A COASTAL LAKE: CAUSEWAY LAKE, THE CAPRICORN COAST CASE STUDY." Central Queensland University. Engineering, 2007. http://library-resources.cqu.edu.au./thesis/adt-QCQU/public/adt-QCQU20070622.122252.

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This thesis presents analysis of the hydrodynamic and sedimentation changes of the Causeway Lake, Queensland. It was created in 1939 when a causeway and bridge construction was built across the estuary entrance. Since the construction, significant sediment retention has occurred in the lake. The sediment study presented in this thesis was undertaken based on historical data, field data measurement and numerical modelling, supported by theoretical analysis. Based on bathymetry data for the period from 1986 and 2003, an average of 2500 m3/year of sediment has settled in the estuary. To verify the sources of sedimentation, field measurements were undertaken at selected sections at two upstream boundaries (Mulambin and Shoal Creeks), and at the downstream boundary under the bridge. Four sets of field measurements with tidal elevation up to 4.5 m (0.8 m above the bridge sill) were analysed. Results showed that sediment transport in from the sea side was about 1050 m3/year and from the catchments area was in the order of 1100 m3/year (wash load was not included). Implementation of numerical modelling using RMA required calibration using field data. The predicted sediment transport was in order of 2900 m3/year. The calibrated model was used to simulate the sedimentation pattern for the next 10 years. Four scenarios were analysed, and the resulting recommendation was to dredge out about 141,000 m3 sediment from the Mulambin Creek branch area. Other solutions were also suggested: improvement of lake management and possibility to raise the sill level (water gate).
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Camargo, André Aukar Britschgy de. "Avaliação e quantificação da contribuição de uma voçoroca para o assoreamento do Ribeirão das Cruzes, tributário da represa de Três Irmãos, SP." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/18/18139/tde-10092012-110206/.

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Devido a dificuldade em se modelar a contribuição de aporte de sedimentos provenientes de erosões lineares em uma bacia hidrográfica, muitas vezes estes são desconsiderados nos estudos hidrossedimentológicos, contudo, podem corresponder a parcela significativa do assoreamento. O presente projeto analisou como a contribuição de uma voçoroca no município de Santo Antônio do Aracanguá (SP), para o assoreamento do Ribeirão das Cruzes, tributário do reservatório da UHE Três Irmãos (Rio Tietê). O estudo foi conduzido por meio de pesquisa teórica (levantamento bibliográfico), coletas de dados na área de estudo e por meio de simulação computacional. Com auxílio de ferramentas de geoprocessamento foram quantificados o volume assoreado no tributário determinado por levantamento batimétrico (12,31 hm³) e o volume de solo erodido na voçoroca por meio de levantamento topográfico (0,22 hm³). Comparando estes resultados obtivemos a contribuição de 1,80% da erosão linear para o assoreamento do tributário nos 21,12 anos anteriores a pesquisa. No entanto, devido a estimativa do surgimento e desenvolvimento da voçoroca estar associado aos últimos 7,11 anos, a contribuição no assoreamento para este período foi de 5,17%. O estudo ainda apontou o depósito destes sedimentos nos primeiros 2 km à jusante da interface erosão-represa. Erosões lineares podem contribuir significativamente no processo de assoreamento como demonstrado no estudo de caso, sendo necessário se considerar este tipo de contribuição nos estudos de aporte de sedimento em corpos d\'água.
Due the difficulty of modeling the contribution of sediment delivery from linear erosions in a watershed, these are often overlooked in hydrosedimentological studies, however, may represent a significant portion of siltation. This project analyzes the contribution of a gully erosion in Santo Antonio do Aracanguá (SP) for the sedimentation of Ribeirão das Cruzes, a tributary of the UHE Three Brothers reservoir (Tietê River). The study was conducted from theoretical research (bibliographic research), data collection in the study area and through computer simulation. With the aid of GIS tools were quantified the silted volume in the tributary, determined by bathymetric survey (12.31 hm³) and the volume of eroded soil in the gully erosion by topography surveying (0.22 hm³). Comparing these results, we have obtained the contribution of 1.80% from linear erosion to the sedimentation in the tributary during the 21.12 years preceding the survey. However, due to estimative of the beginning and development of the gully erosion being associated with the last 7.11 years, the contribution to sedimentation in this period was 5.17%. The study also accused the deposit of sediment in the first 2 km downstream interface \"erosion-dam\". Linear erosions can contribute significantly in the process of sedimentation as shown in the study case, being necessary to consider this type of contribution in studies of sediment input into water bodies.
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Thompson, Adam. "Walleye Habitat Use, Spawning Behavior, and Egg Deposition in Sandusky Bay, Lake Erie." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1253639267.

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Colagiovanni, Alessandro. "Assessment of the resilience of coral reefs to natural and human disturbances by means of recruitment panels in Indo-Pacific." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/9767/.

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Indo-Pacific region encompasses about 75% of world's coral reefs, but hard coral cover in this region experienced a 32% region-wide decline since 1970s. This great change is primarily ascribable to natural and anthropogenic pressures, including climate change and human activities effects. Coral reef conservation requires management strategies oriented to maintain their diversity and the capacity to provide ecosystem goods and services. Coral reef resilience, i.e. the capacity to recover after disturbances, is critical to their long-term persistence. The aims of the present study were to design and to test field experiments intended to measure changes in recruitment processes, as a fundamental aspect of the coral reef resilience. Recruitment experiments, using artificial panels suspended in the water column, were carried out in two Indo-Pacific locations affected by different disturbances: a new mine in Bangka Island (Indonesia), and the increased sedimentation due to coastal dynamics in Vavvaru Island (Maldives). One (or more) putatively disturbed site(s) was selected to be tested against 3 randomly selected control sites. Panels’ arrangement simulates 2 proximities to living corals, i.e. the sources of propagules: few centimetres and 2 meters over. Panels were deployed simultaneously at each site and left submerged for about five months. Recruits were identified to the lowest possible taxonomic level and recruited assemblages were analysed in terms of percent cover. In general it was not possible to detect significant differences between the benthic assemblages recruited in disturbed and control sites. The high variability observed in recruits assemblages structure among control sites may be so large to mask the possible disturbance effects. Only few taxa showed possible effects of the disturb they undergo. The field tests have highlighted strengths and weaknesses of the proposed approach and, based on these results, some possible improvements were suggested.
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Wermuth, James A. "DETERMINING FACTORS THAT CONTRIBUTE TO NONPOINT SOURCE POLLUTION IN THE LOWER KENTUCKY WATERSHED." UKnowledge, 2007. http://uknowledge.uky.edu/gradschool_theses/440.

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The water quality in the United States has greatly improved since the implementation of the Clean Water Act (CWA) in the early 1970s. Unfortunately, the Clean Water Act only addresses one kind of water pollution, point source pollution. The major problem that is present in the degradation of todays water quality has to deal with nonpoint source pollution. Agriculture is commonly regarded as the leading contributor to nonpoint source pollution in the United States. This study uses two analytical tools to try to determine the significant factors in the transport of pollutants in the Lower Kentucky Watershed, located in central Kentucky. Spatial analysis (GIS) coupled with the statistical analysis (SAS), allowed for significant factors to be identified within a small proximity of sampling sites throughout the watershed. The results suggest that although agriculture is commonly regarded as the largest contributor to nonpoint source pollution, other factors outside of agriculture were also found to be significant, such as resident land use and rainfall. The results generated from this study suggest that land managers in communities throughout the watershed should analyze agricultural factors, as well as, factors outside of agriculture, in an effort to protect their communities water quality.
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Brito, Geanne Moreira. "Determinação do assoreamento do reservatório da PCH Cachoeirão." Universidade Federal de Viçosa, 2013. http://locus.ufv.br/handle/123456789/3813.

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Made available in DSpace on 2015-03-26T13:28:25Z (GMT). No. of bitstreams: 1 texto completo.pdf: 3312573 bytes, checksum: ed584b61ed8559e202f6757198d90e5e (MD5) Previous issue date: 2013-06-21
Companhia Energética de Minas Gerais
All reservoirs formed by dams are subject to the process of sedimentation. Sediment accumulation reduces reservoir s useful volume and causes modifications in its elevation x area x volume (EAV) curves, which must be periodically updated. In this context, this study aims to evaluate the siltation process in SHP (Small Hydropower Plant) Cachoeirão reservoir and to update its operational data. The methodology consisted of comparing the results obtained before and after the reservoir filling, using Digital Elevation Model (DEM) and the fuction TIN (Triangulated irregular network), allowing to generate the EAV curves and to identify the total volumes of sediment deposited in the reservoir and the sediment level in the water intake. From this comparison, it was determined that, during 13 years of operation, the volume of sediment deposited on Cachoeirão s lake was equal to 0.866 hm3. This value represents a reduction of 15.9% in the original storage capacity of the reservoir. The softwares Sediment and Dposit were also used to assess the siltation process in SHP Cachoeirão and their results indicated an underestimation of the deposited sediments volume, in comparison to field results. The sediments accumulated at the bottom of the reservoir presented a variable grain size distribution, ranging from sand size observed in particles deposited closer to the start of backwater, until clay size, observed in particles deposited near to the dam axis. The study also concluded that the expected useful lifetime of the reservoir should not be achieved, unless preventive measures are taken to reduce the amount of sediment that enters the reservoir.
Reservatórios formados por barragens estão sujeitos ao processo de assoreamento. O acúmulo de sedimentos reduz o volume útil do reservatório e provoca alterações em suas curvas cota x área x volume (CAV), que devem ser atualizadas periodicamente. Nesse contexto, este estudo objetivou avaliar o processo de assoreamento no reservatório da PCH Cachoeirão e atualizar os seus dados operacionais. A metodologia empregada consistiu na comparação dos resultados obtidos antes e depois do enchimento do reservatório, com a utilização de Modelo Digital de Elevação (MDE) e função TIN (Triangulated irregular network), que possibilitou gerar as CAV, e identificar volumes de sedimentos totais e níveis de sedimentos na tomada d ́água. A partir dessa comparação, determinou-se que em 13 anos de operação o volume de sedimento depositado no lago da PCH Cachoeirão foi de 0,866 hm3. Esse valor representa uma redução de 15,9% na capacidade de armazenamento original do reservatório. Os softwares Sediment e Dposit também foram utilizados para avaliar o assoreamento da PCH Cachoeirão e seus resultados indicaram uma subestimativa do volume de sedimentos depositado, em relação aos resultados observados em campo. Os sedimentos acumulados no fundo do reservatório apresentaram distribuição granulométrica variável, desde partículas na fração areia, depositadas próximas ao início do remanso, até partículas na fração argila, depositadas próximas ao eixo da barragem. O estudo permitiu concluir que a vida útil esperada para o reservatório não deverá ser alcançada se medidas preventivas, que reduzam a quantidade de sedimentos que adentra o reservatório, não forem tomadas.
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Cetinkaya, Oguz Kagan. "Management Of Reservoir Sedimentation Case Studies From Turkey." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/12607016/index.pdf.

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Siltation is becoming a big problem as the dams get older all over the world. Conservation and sustainable management of existing reservoirs is gaining more importance than constructing new dams. In this study the program RESCON, which is outcome of a World Bank sponsored project, has been used to examine sediment removal strategies (flushing, hydrosuction sediment removal, dredging and trucking) for four dams of Turkey namely Ç
ubuk I Dam, Bayindir Dam, ivriz Dam and Borç
ka Dam. Sediment measurements are made by governmental agencies in Turkey. In this study characteristics of these measurements will be presented for the future sediment related studies. Then sediment removal strategies which were used in RESCON will be introduced. Evaluation of RESCON results have been made and compared with previous studies for verification except Borç
ka Dam, since it is under construction.
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Books on the topic "Siltation"

1

Tolouie, Esmaiel. Reservoir sedimentation and de-siltation. Birmingham: University of Birmingham, 1993.

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Varshney, R. S. Impact of siltation on the useful life of large reservoirs. Roorkee, India: INCOH Secretariat, 1997.

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Desta, Lulseged Tamene. Reservoir siltation in Ethiopia: Causes, source areas, and management options. Göttingen [Germany]: Cuvillier, 2005.

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Velasco, Victor V. Evaluation and cost comparison of anti-siltation systems and traditional dredging methods. Springfield, Va: Available from National Technical Information Service, 2000.

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Wood, Paul James. Low flows and siltation in chalk streams due to drought with particular reference to the macroinvertebrate community. Birmingham: University of Birmingham, 1997.

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(Editor), Ian Jefferson, Mike Rosenbaum (Editor), and Ian Smalley (Editor), eds. Silt and Siltation. Thomas Telford Ltd, 2000.

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Ian, Jefferson, Rosenbaum Mike, and Smalley Ian J, eds. Silt and siltation: Problems and solutions. London: Thomas Telford, 2003.

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Sekitar, Malaysia Jabatan Alam, ed. Guidelines for prevention and control of soil erosion and siltation in Malaysia. Kuala Lumpur: Dept. of Environment, Ministry of Science, Technology and Environment, 1996.

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Kasnick, Betsy L. Determination of riparian planting designs & materials to minimize selected pollutants & siltation runoff. 1997.

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Schmandt, Jurgen, Aysegül Kibaroglu, Regina Buono, and Sephra Thomas, eds. Sustainability of Engineered Rivers In Arid Lands. Cambridge University Press, 2021. http://dx.doi.org/10.1017/9781108261142.

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This interdisciplinary volume examines how nine arid or semi-arid river basins with thriving irrigated agriculture are doing now and how they may change between now and mid-century. The rivers studied are the Colorado, Euphrates-Tigris, Jucar, Limarí, Murray-Darling, Nile, Rio Grande, São Francisco, and Yellow. Engineered dams and distribution networks brought large benefits to farmers and cities, but now the water systems face multiple challenges, above all climate change, reservoir siltation, and decreased water flows. Unchecked, they will see reduced food production and endanger the economic livelihood of basin populations. The authors suggest how to respond to these challenges without loss of food production, drinking water, or environmental health. The analysis of the political, hydrological, and environmental conditions within each basin gives policymakers, engineers, and researchers interested in the water/sustainability nexus a better understanding of engineered rivers in arid lands.
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Book chapters on the topic "Siltation"

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O’Connor, B. A., H. Kim, and K. D. Yum. "Modelling Siltation at Chukpyon Harbour, Korea." In Computer Modelling of Seas and Coastal Regions, 397–410. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2878-0_29.

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Jiao, Jian, Xiping Dou, Xiangyu Gao, Lei Ding, and Xinzhou Zhang. "Numerical Model Study of Navigation Channel Siltation." In Springer Water, 529–38. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-2081-5_30.

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Vanmaercke, Matthias, Nigussie Haregeweyn, Amanuel Zenebe, Jan Nyssen, and Jean Poesen. "Sediment Yield and Reservoir Siltation in Tigray." In Geo-trekking in Ethiopia’s Tropical Mountains, 345–57. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-04955-3_23.

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Sundaravadivelu, R., M. V. Ramana Murthy, S. Sakthivel, P. K. Suresh, Saranya, S. Kreesa Kumaran, and A. Satya Kiran Raju. "Dredging and Siltation Study in the Gulf of Khambhat." In Lecture Notes in Civil Engineering, 281–92. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-8506-7_23.

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Carter, Stephen, Tom Henry, Rui Zou, and Leslie Shoemaker. "Nutrient and Siltation TMDL Development for Wissahickon Creek, Pennsylvania." In TMDLs in the Urban Environment, 132–90. Reston, VA: American Society of Civil Engineers, 2010. http://dx.doi.org/10.1061/9780784410578.ch04.

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Elmouden, A., N. Alahiane, M. El Faskaoui, and Z. E. A. El Morjani. "Dams Siltation and Soil Erosion in the Souss–Massa River Basin." In The Handbook of Environmental Chemistry, 95–120. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/698_2016_70.

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Álvarez-Cobelas, M., S. Sánchez-Carrillo, S. Cirujano, and D. G. Angeler. "A Story of the Wetland Water Quality Deterioration: Salinization, Pollution, Eutrophication and Siltation." In Ecology of Threatened Semi-Arid Wetlands, 109–33. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-9181-9_5.

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Carling, P. A., and C. P. McCahon. "Natural Siltation of Brown Trout (Salmo trutta L.) Spawning Gravels During Low-Flow Conditions." In Regulated Streams, 229–44. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4684-5392-8_15.

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Zhang, Xinzhou, Jian Jiao, Xiping Dou, Xiaodong Zhao, and Weiyi Xia. "Mathematical Model Research of the Siltation Downstream Estuary Floodgate Under the Effect of Float Mud." In Springer Water, 277–99. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-2081-5_17.

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Rabeni, Charles F., and Martin A. Smale. "Effects of siltation on stream fishes and the potential mitigating role of the buffering riparian zone." In The Importance of Aquatic-Terrestrial Ecotones for Freshwater Fish, 211–19. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-017-3360-1_20.

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Conference papers on the topic "Siltation"

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Headland, John R., Robert Kirby, Han Winterwerp, Horst Nasner, Jacob Vested, Marc Sas, Koen Lamers, et al. "Minimizing Harbor Siltation (MHS)." In 11th Triennial International Conference on Ports. Reston, VA: American Society of Civil Engineers, 2007. http://dx.doi.org/10.1061/40834(238)28.

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Kong, Lingshuang, Yuanyang Wan, Fengfeng Gu, Dingman Qi, and Wei Wang. "Calculation of Typhoon-Induced Sudden Siltation Using Effective Wind Energy in Yangtze Estuary." In ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/omae2010-20986.

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The concept of effective wind energy is used in this study. The correlation among effective wind energy, wind and siltation of channel is derived. A formula is developed for calculation of channel siltation using effective wind energy. The formula is applied to calculate typhoon-induced sudden siltation in Yangtae estuary and good agreement with field measurements is obtained.
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Dong, Sheng, Chunshuo Jiao, Shanshan Tao, and Ri Zhang. "Return Volumes of Sudden Siltation Occurred in Outside Waterway of Huanghua Port." In ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/omae2017-61356.

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Strong wind often raises waves and result in the sediment siltation. The navigation of outside waterway of Huanghua Port is seriously influenced by sudden siltation induced by strong wind. Before outside waterway treatment, the return sudden siltation volumes must be determined previously. The point estimation of return values can be obtained by distribution curve fitting, meanwhile, interval estimation can provide ranges of return values under some fix confidence levels. Based on the sequences of annual maximum sudden siltation of Huanghua Port from 1979 to 2003, and by using curve fittings of lognormal distribution and maximum entropy distribution, and maximum likelihood interval estimation method, the point and interval estimations of return sudden siltation volumes are presented. The results given by the maximum entropy distribution have higher precision, so they can be applied as the reference of the treatment of sediment accumulation.
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Kong, Lingshuang, Zude Cao, and Sheng Dong. "Statistical Analysis of Channel Siltation Amount on the Silt-Sandy Beach." In ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2007. http://dx.doi.org/10.1115/omae2007-29029.

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The connection of wind and channel siltation is derived. Coefficient of the equation is ascertained using observed data. The annual maximal sudden siltation of channel of 1979∼2003 of Huanghua harbor is calculated using the derived formula and statistical analysis is carried out. The P-III type and Log-normal distributions are used to compute the return period of siltation amount.
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Garbrecht, Jürgen D., and Guenther K. H. Garbrecht. "Siltation Behind Dams in Antiquity." In Water Resources and Environment History Sessions at Environmental and Water Reources Institute Annual Meeting 2004. Reston, VA: American Society of Civil Engineers, 2004. http://dx.doi.org/10.1061/40738(140)6.

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Fernández, R., M. García, and G. Parker. "Mississippi riverbank harbor siltation study." 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/10.1201/9781315644479-195.

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Hsu, Tai-Wen, and Yu-Jie Jhu. "An Application of Integrated Coastal Models on Protection of Sediment Deposition at Taichung Harbor." In ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/omae2009-80232.

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The main objective of this paper is to study the protection of sediment siltation and shoreline evolution in Taichung harbor using two numerical models of SMC (Coastal Modeling System) and GENESIS (GENEralized model for SImulating Shoreline change System). Numerical results of wave height in the vicinity of groins were compared to validate the capability of SMC model. In addition, the transport parameters, K1 and K2 in GENESIS are calibrated. Some numerical cases were runned to simulate the nearshore hydrodynamics, the sediment transportation and siltation on the north area with siltation of Taichung harbor. In particular, a beach nourishment measure is proposed based on GENESIS simulations of shoreline change on southern eroded coast.
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Bharadwaj, R. Rishi, C. Chiranjeevi, M. Satyanarayana Gupta, and B. Subbaratnam. "Energy efficiency assessment in siltation affected hydroelectric dams." In PROCEEDINGS OF THE 14TH ASIA-PACIFIC PHYSICS CONFERENCE. AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0036327.

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Kong, Lingshuang, Zude Cao, Yanbao Li, Mingxia Zhang, and Li Ma. "Siltation Calculation for Open Channel on the Silty Beach." In ASME 2004 23rd International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2004. http://dx.doi.org/10.1115/omae2004-51197.

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The characteristics of sediment movement on a silty beach are examined. A formula for the ratio of suspended sediment divided by bed load is derived by means of theoretical analysis and flume tests. Methods for siltation calculations for open channel on the silty beach are proposed.
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Anwar, Hamza, Abubakr Muhammad, and Karsten Berns. "A framework for aerial inspection of siltation in waterways." In 2015 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS). IEEE, 2015. http://dx.doi.org/10.1109/iros.2015.7354272.

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Reports on the topic "Siltation"

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Schafer, C. T. The China Harbours Siltation Project: an example of research collaboration and technology transfer between Canada and China. Natural Resources Canada/CMSS/Information Management, 1990. http://dx.doi.org/10.4095/130924.

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Parchure, Trimbak M., Soraya Sarruff, and Ben Brown. Desktop Study for La Quinta Project; Shoaling Prediction in La Quinta Navigation Channel and Effect of a Barrier on Siltation in Extended La Quinta Channel. Fort Belvoir, VA: Defense Technical Information Center, September 2002. http://dx.doi.org/10.21236/ada407991.

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