Academic literature on the topic 'Floodgates'

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'Floodgates.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Journal articles on the topic "Floodgates"

1

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.

Full text
Abstract:
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.
APA, Harvard, Vancouver, ISO, and other styles
2

Fan, Zhongya, Zhong Wang, Yiping Li, Wencai Wang, Chunyan Tang, and Fantang Zeng. "Water Level Fluctuation under the Impact of Lake Regulation and Ecological Implication in Huayang Lakes, China." Water 12, no. 3 (March 4, 2020): 702. http://dx.doi.org/10.3390/w12030702.

Full text
Abstract:
Water level fluctuation (WLF) in shallow lakes in the middle and lower reaches of the Yangtze River has been a concern of many researchers. This work aims to investigate the effects of climate change and regulation of floodgates and the Three Gorges Dam (TGD) on WLF and lake volume in Huayang Lakes during the past 52 years. The results revealed that precipitation is the dominant factor that leads to seasonal variation of lake levels, whereas regulation of floodgates and TGD are the key drivers of hydrology regime change in the past 20 years. Natural lake regime has higher water level when there is more precipitation and less lake volume. Floodgates and TGD regulations have changed this pattern since 2003, causing less difference in water level in spite of more precipitation and lake recession. Under the combined impacts of floodgates and TGD regulations, Huayang Lakes have experienced a prolonged outflow time since 2003 and the contribution rate caused by the floodgates and TGD regulations has increased by 19.90%. Additionally, the water level of Huayang Lakes decreased by approximately 0.3~0.5 m from September to November, but it showed no alteration from January to March in the past two decades. This indicated that floodgate regulations used for agricultural irrigation and fishery culture dominate the hydrology regime in winter and early spring. This study is beneficial for aquatic ecosystem protection in floodgate-controlled lakes under the circumstance of climate change and vigorous anthropology activities.
APA, Harvard, Vancouver, ISO, and other styles
3

Rais, Rais, and Yerry Febrian Sabanise. "Sistem Monitoring Pintu Air Bendungan Menggunakan Mikrokontroler Wemos D1 R1 Berbasis Website." Journal of Innovation Information Technology and Application (JINITA) 1, no. 01 (December 26, 2019): 51–60. http://dx.doi.org/10.35970/jinita.v1i01.85.

Full text
Abstract:
Floodgate monitoring is related to water level monitoring. Problems that occur Weir information about the water level, water runoff, level, status of floodgates and recap results that can be seen on the web in real-time are not yet available, so monitoring the floodgates is difficult, less effective and maximum. Weir officials must go back and forth from the weir to the guard post and then to the control to move the floodgates. The purpose of the design of a sluice monitoring system is based on the website. Assist officers in monitoring floodgates to make it more effective and maximal. Using Wemos D1 R1 Microcontroller, Ultrasonic Sensor HC-SR04 to read water level, DC Motor moves the floodgates. LCD displays runoff and level. Siren as a danger warning. The trial results show that the system that has been made runs well. The system is able to open the floodgates through control of the web and runs automatically. Water runoff and level can be displayed on the LCD. Weir information about water levels, water runoff, levels, sluice status, and recap results can be viewed on the web in real time.
APA, Harvard, Vancouver, ISO, and other styles
4

Scott, David C., Michael Arbeider, Jennifer Gordon, and Jonathan W. Moore. "Flood control structures in tidal creeks associated with reduction in nursery potential for native fishes and creation of hotspots for invasive species." Canadian Journal of Fisheries and Aquatic Sciences 73, no. 7 (July 2016): 1138–48. http://dx.doi.org/10.1139/cjfas-2015-0311.

Full text
Abstract:
Habitat connectivity is important for maintaining biodiversity and ecosystem processes yet globally is highly restricted by anthropogenic actions. Anthropogenic barriers are common in aquatic ecosystems; however, the effects of small-scale barriers such as floodgates have received relatively little study. Here we assess fish communities in ten tributaries over the spring–summer season of the lower Fraser River (British Columbia, Canada), five with floodgates and five reference sites without barriers, located primarily in agricultural land use areas. While the Fraser River supports the largest salmon runs in Canada, the lower Fraser river–floodplain ecosystem has numerous dikes and floodgates to protect valuable agricultural and urban developments. Floodgate presence was associated with reduced dissolved oxygen concentrations, threefold greater abundance of invasive fish species, and decreased abundances of five native fish species, including two salmon species. These findings provide evidence that floodgates decrease suitable habitat for native fishes, and become hotspots for non-native species. Given climate change, sea-level rise, and aging flood protection infrastructure, there is an opportunity to incorporate biodiversity considerations into further development or restoration of this infrastructure.
APA, Harvard, Vancouver, ISO, and other styles
5

Hussen Hajjaj, Sami Salama, Mohamed Thariq Hameed Sultan, Muhammad Hafizuddin Moktar, and Seng Hua Lee. "Utilizing the Internet of Things (IoT) to Develop a Remotely Monitored Autonomous Floodgate for Water Management and Control." Water 12, no. 2 (February 12, 2020): 502. http://dx.doi.org/10.3390/w12020502.

Full text
Abstract:
In recent years, floods have increased in frequency and intensity, causing tremendous hardship. In badly affected regions, mostly the rural areas, Weir-type floodgates are the only measure against floods. However, these manually operated gates are numerous and scattered over vast areas. This makes flood mitigation efforts very challenging, which causes severe devastation. Current solutions to automate the floodgates are expensive, black-boxed, and focused on individual gates. In this paper, we present a Centralized Flood Monitoring and Coordination System developed through the Internet of Things (IoT) and other open-source technologies. For this work, we developed a working prototype of an autonomous floodgate that opens/closes according to the level of water. We also developed the required program to allow the gate controller to publish its data through the IoT gateway to the cloud. The data was then captured and viewed on a number of IoT clients, both for individuals and groups of floodgates, in real time. The developed system proved successful as the autonomous gates were monitored remotely through the established IoT framework, with room for future development and improvement. This paper serves as a proof of concept and a preparation for real, on-site implementation of the IoT-floodgates.
APA, Harvard, Vancouver, ISO, and other styles
6

Kroon, Frederieke J., and Dean H. Ansell. "A comparison of species assemblages between drainage systems with and without floodgates: implications for coastal floodplain management." Canadian Journal of Fisheries and Aquatic Sciences 63, no. 11 (November 1, 2006): 2400–2417. http://dx.doi.org/10.1139/f06-134.

Full text
Abstract:
Coastal floodplains provide essential nursery habitat for a large number of fish and prawn species, many of which are commercially and recreationally important. Human activities in coastal floodplains, such as those associated with agriculture and (or) development, can have detrimental impacts on this nursery function. We examined the potential role of flood mitigation structures, in particular tidal floodgates, in depleting estuarine and inshore fisheries stocks in eastern Australia. We compared species assemblages (abundance and biomass) in reference and gated drainage systems in the Clarence River floodplain (New South Wales, Australia) over a 1-year period. We subsequently determined which environmental variables were associated with the observed patterns in species assemblages. Our results show that abundance, biomass, and assemblages of juvenile fishes and invertebrates differed significantly and consistently between drainage systems with and without floodgates. The major environmental variables of concern in systems with floodgates were (i) presence of a floodgate, (ii) elevated concentrations of nutrients, and (iii) abundance of aquatic weeds. We discuss our findings in light of potential strategies to improve coastal floodplain management for fisheries production purposes.
APA, Harvard, Vancouver, ISO, and other styles
7

Bhabha, Homi K., and Henry Louis Gates. "Opening the Floodgates." Poetics Today 8, no. 1 (1987): 181. http://dx.doi.org/10.2307/1773009.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Powell, Kendall. "Open the floodgates!" Nature 420, no. 6914 (November 2002): 356–58. http://dx.doi.org/10.1038/420356a.

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Rogers, David. "Waiting for the floodgates." Construction Research and Innovation 4, no. 3 (September 2013): 18–19. http://dx.doi.org/10.1080/20450249.2013.11873894.

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Kelly, James. "Editorial: Opening the floodgates?" Proceedings of the Royal Irish Academy, Section C 113, no. -1 (January 1, 2013): vii—xi. http://dx.doi.org/10.3318/priac.2013.113.12.

Full text
APA, Harvard, Vancouver, ISO, and other styles

Dissertations / Theses on the topic "Floodgates"

1

Winning, Geoffrey Bruce, and res cand@acu edu au. "Vegetation Changes in a Large Estuarine Wetland Subsequent to Construction of Floodgates: Hexham Swamp in the Lower Hunter Valley, New South Wales." Australian Catholic University. School of Arts and Sciences, 2006. http://dlibrary.acu.edu.au/digitaltheses/public/adt-acuvp107.11092006.

Full text
Abstract:
Floodgates were constructed in 1971 on the main creek draining Hexham Swamp, a large wetland on the floodplain of the lower Hunter River, New South Wales. Substantial changes in vegetation have occurred in Hexham Swamp subsequent to the construction of the floodgates. Previous areas of mangroves and saltmarsh have been reduced (180ha to 11ha, and 681ha to 58ha, respectively), and Phragmites australis has expanded (170ha to 1005ha). Much of the mangrove loss (ca. 130ha) was a result of clearing, and the remainder has gradually died off. The factors contributing to the dieback are likely to be a combination of drying of the soil, root competition and, at times, waterlogging. Field sampling as well as microcosm and reciprocal transplant experiments involving key species, Sarcocornia quinqueflora, Sporobolus virginicus, Paspalum vaginatum and Phragmites australis, suggest that a reduction in soil salinity has been an important factor in initiating successional change from saltmarsh to Phragmites reedswamp. The data also suggest that increased waterlogging has been an important factor in initiating vegetation change. This apparently paradoxical result (floodgates and associated drainage generally result in drying of wetlands) is likely to have resulted from occlusion of drainage lines (by sediment and reeds) and is, therefore, likely to be a condition that developed gradually. That is, the initial effect of the floodgates is expected to have been a drying of the swamp, followed over time by an increasing wetness. An examination of vegetation changes after removal of cattle from part of Hexham Swamp, suggests that grazing had little effect on species composition of vegetation or rate of expansion of Phragmites australis. However, grazing does affect vegetation structure (height and density), possibly favours some coloniser species (e.g. Sarcocornia quinqueflora) in particular environmental conditions, and possibly inhibits establishment of Phragmites australis.
APA, Harvard, Vancouver, ISO, and other styles
2

Arauz, Ivan Juncioni de. "Vertedor de superfície e escoamento sob comportas." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/3/3147/tde-12092005-212331/.

Full text
Abstract:
Os vertedores são estruturas hidráulicas construídas para controlar o nível d’água do reservatório, permitindo a passagem das vazões escoadas com a máxima eficiência possível sem provocar problemas à estrutura. Para atingir este objetivo, as condições de aproximação do escoamento à estrutura e a forma geométrica do perfil vertente são muito importantes. O controle da soleira por comportas provoca uma mudança significativa nas condições de escoamento sobre o perfil vertente. O posicionamento e a forma da comporta tem forte influência no comportamento do coeficiente de vazão e nas pressões sobre a soleira. A formação de vórtice é um fenômeno indesejável que pode ocorrer quando a operação da comporta é parcial, prejudicando a capacidade de vazão e provocando vibrações na estrutura. Este trabalho apresenta uma abordagem teórica sobre o assunto vertedor de superfície e escoamento sob comportas, apresentando resultados de diferentes estudos para melhor compreensão do funcionamento do vertedor.
Spillways are hydraulic structures constructed to control the water level of the reservoir, allowing the overflows with the maximum possible efficiency without provoking problems to the structure. The approach flow pattern to the structure and the geometric form of the spillway profile are basic importance. The control of the spillway by the floodgates modifies the draining conditions. The positioning and the form of the gate have strong influence in the behavior of the discharge coefficient and the pressures on the surface profile. A vortex formation is an undesirable phenomenon that it can occur when the operation of the floodgate is partial, reducing the discharge coefficient and produce vibrations in structure. This work presents a theoretical approach about flow over spillway and under of the partial opening of the floodgate, presenting results of different studies for better understanding the function of the spillway.
APA, Harvard, Vancouver, ISO, and other styles
3

Štuikytė, Simona. "Grynai ekonominių nuostolių (pure economic loss) atlyginimas: lyginamieji aspektai." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2011. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2009~D_20110709_152335-20575.

Full text
Abstract:
Šiame magistro darbe analizuojama grynai turtinių nuostolių atlyginimo problema. Grynai turtiniai nuostoliai daugumoje valstybių suvokiami kaip trečiųjų asmenų ekonominio pobūdžio nuostoliai, kurie patiriami įvykus deliktui tarp kitų asmenų. Žvelgiant lyginamuoju aspektu, valstybių teisės sistemose yra suformuotos dvi pozicijos šių nuostolių atžvilgiu: liberalioji ir griežtoji. Pirmoji pozicija, leidžianti grynai turtinių nuostolių atlyginimą, vyrauja Prancūzijoje. Tuo tarpu JAV, Anglijoje, Vokietijoje ir Austrijoje yra taikoma grynai ekonominių nuostolių atlyginimo ribojimo taisyklė. Magistro darbo autorė atlikdama lyginamąjį tyrimą, stengėsi išsiaiškinti, kokios priežastys skatina riboti grynai turinių nuostolių atlyginimą, taip pat įvertinti, kurios valstybės pozicija yra racionaliausia ir teisiškai labiausiai pagrįsta. Tiesa, pažymėtina yra tai, kad nors valstybėje vyrauja viena ar kita pozicija, tam tikrais atvejais neapsieinama be pagrindinės taisyklės išimčių. Lietuvoje šiuo klausimu kol kas dar nėra nei teismų praktikos, nei mokslinių diskusijų. Tad autorė, išanalizavusi įstatyminę bazę, pateikia išvadą, kad Lietuvai artimiausia galėtų būti Prancūzijos pozicija. Be lyginamosios valstybių teisės sistemų analizės, magistro darbe pateikiamas ir istorinis ekonominių asmens interesų apsaugos tendencijų tyrimas, siekiant išsiaiškinti, kada atsirado grynai turtinių nuostolių ribojimo taisyklė ir dėl kokių priežasčių. Taip pat paskutinėje magistro darbo dalyje lyginamuoju... [toliau žr. visą tekstą]
The thesis ‘Recovery of Pure Economic Loss: Comparative Aspects’ provides a comparative analysis of recovery possibilities of pure economic loss in six different countries, namely the USA, England, Germany, Austria, France and Lithuania, that belong to different legal families and inherit distinct tort law traditions. In most of the countries pure economic loss define economic nature loss of third parties that are experienced in the case of the tort of other persons. The objective of investigation is to evaluate legal rationality of each regulatory system and to estimate which one of them causes least practical problems. In addition, as the position of Lithuania has not yet been settled, the author of the thesis proposes possible directions of the regulation of recovery of pure economic loss by analyzing legal basis of Lithuanian laws. The research consists of three parts each of them dealing with different aspects of the problem. First of all, the concept of pure economic loss is analyzed by trying to define the archetypical features of the mentioned loss and to expose the summarized topics that are discussed in doctrine and courts. The second part of the thesis covers historical investigation of the protection of economic interests and comparative analysis of legal regulation and jurisprudence of recovery of pure economic loss in six mentioned countries. Additionally, at the end of this part the author discusses the possibilities of harmonization of the countries positions... [to full text]
APA, Harvard, Vancouver, ISO, and other styles
4

Yeh, Yu-Chuan, and 葉育全. "A study for Building Floodgates Management Model." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/28957927384925051517.

Full text
Abstract:
碩士
國立高雄第一科技大學
營建工程所
91
Floodgates, with width up to meters, are very important device for flood control. According to the records by the River Basin Management Bureau, there were 1273 bases of floodgates (2918 leaves) in Taiwan in 1998. If floodgates do not function properly, it will cause floods or other catastrophes. In the past, the government performed floodgates maintenance. From 1999, due to the trend and concept of lean government, the government started to outsource the work to the private contractors. Based on the observation, the contractors’ service plan and the government’s performance evaluation program have been made by sorely experience and mental models, which are neither scientific nor systematic. A better way of planning is needed. This research developed a mathematical model that assists floodgates maintenance planning. The model consists of two sub-systems, Time Estimating sub-system for estimating service time of different floodgates, and Routing sub-system for daily service assignment and routing. During the process of model developing, several mathematical methods were explored, including Analysis of Covariance, Back-Propagation Neural Network, Fuzzy Neural Network, Fuzzy Logic, Annealed Neural Network, Ant Algorithm, and Genetic Algorithm. Finally, the developed model can generate a maintenance plan in 30 minutes for 100 floodgates. To cope with the real world’s everyday contingency, this model can re-generate a new plan in short time, which make it more effective, efficient, and logical than the traditional mental model.
APA, Harvard, Vancouver, ISO, and other styles
5

Wang, Jia-Yu, and 王嘉瑜. "Floodgates Effectiveness on the Improvement of Drainage and Inundation in Urban Areas." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/d2dtns.

Full text
Abstract:
碩士
國立臺灣大學
生物環境系統工程學研究所
106
With the development of the social economy, the building and impervious paving in urban are dramatically increased. However, in recent years short duration rain and typhoon events frequently occur in urban area, which rainfall is more than the drainage capacity of storm sewer systems. Therefore, flooding in urban areas has been occurring more and brings damage to the public and the economy on various aspect. In order to reduce losses, the government has stipulated that the entrance and exit of the building must sets floodgates. Because the size and position of buildings’ gateways are different, we must set the specific size of floodgates for buildings’ gateways. Therefore, we use the idea which street as a short drain system, we can set floodgates at the edge of street to reduce losses. The study explores that floodgates effects on the improvement of drainage and inundation in urban areas. Therefore, the study selected two floodgates set modes, which are full set mode and partial set mode and three floodgates set heights, which are 60, 90, 120 centimeters. Two floodgates set modes and three floodgates heights combined into six kinds of floodgates set strategy. Six floodgates set strategies and return periods rainfalls are inputted into flood model to simulate. Next, annual loss, annual benefit of the strategies were calculated by flooding loss and probability of excess. Finally, we used the annual average loss, annual average benefit and benefit ratio to evaluate what kind of set strategies is the best economic feasibility of set strategy in the study area. In the study, Muzha drainage basin in Wenshan District, Taipei, is selected as the study area. In same height, the annual average benefit of partial set mode is better. In same set mode, the annual average benefit of floodgates set height 120 centimeters is better. The result of benefit-cost ratio analysis is that the partial set mode with set height 90 centimeters means the best economic feasibility of set strategy, and the full set mode with any set height is not economic feasibility.
APA, Harvard, Vancouver, ISO, and other styles
6

Hsieh, Tsung-Ta, and 謝宗達. "FAME: A Floodgate with Awareness for MetroEthernet." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/62303509224223950150.

Full text
Abstract:
碩士
國立中興大學
資訊科學與工程學系
102
Ethernet is a popular local area technology and widely used in the modern network. However, Ethernet exploits the flat MAC addresses to forward frames, which occurs scalability issues in large network topologies, such as ARP and DHCP flooding problems. Layer-3 routers are commonly exploited to solve the Ethernet scalability problems, but they are expansive and require complex manual configurations. In this paper, we propose FAME to deal with ARP and DHCP broadcast frames. Besides, FAME is backward compatible with standard Ethernet switches. The evaluation of our scheme shows that FAME switches can effectively alleviate the ARP and DHCP flooding problems in varied metro Ethernet networks.
APA, Harvard, Vancouver, ISO, and other styles
7

Huang, Chin –. Pang, and 黃錦邦. "Field Experiments on Discharge Coefficient of Floodgate." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/05924929701205957973.

Full text
Abstract:
碩士
國立中興大學
水土保持學系所
102
The discharge coefficients of automatic floodgates were estimated through experimental observations of the floodgates at His-Shih coastal embankment, Da-Jia river. During the experiments, the difference between upstream and downstream water level, flow condition, and floodgate size were considered. The results are expected to be a useful reference for the planning of floodgates in the future. The effect of floodgate size on discharge coefficient was unapparent when the difference between upstream and downstream water level was small. The discharge coefficient of small floodgate was increased with the water level difference increased. The observed discharge coefficient of large floodgate was lower than the theoretical value due to high unit weight. Such situation might induce an increase of flood risk. In addition, the change of water level outside the floodgate might lead to flow discontinuous while the water level difference between inside and outside of the floodgate was small. In order to improve the security, the floodgate should be designed with a lower discharge coefficient than the theoretical value.
APA, Harvard, Vancouver, ISO, and other styles
8

Chen, I.-An, and 陳奕安. "Genetic Algorithms for Optimization of FRP Floodgate Structures." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/68695053737037524535.

Full text
Abstract:
碩士
國立臺灣海洋大學
輪機工程系
94
Abstract For a good structural design, it is essential to reduce not only the material but the operating cost as well as to reach the required strength and the limiting conditions. The thumb rule is that the structure should be optimized to obtain the equilibrium point among the strength of the material, external loading the critical displacement criterion, to avoid the unnecessary waste of material and the processed cost. Then, the lower the structure weigh, the higher it performs. As the design parameters of the practical project are rise, the trial and error methods are not enough to reach a satisfactory result. Besides, most of the factors are dispersed parameters. A question is designed for a multi goal optimization of FRP floodgates by utilizing the gene to perform algorithms and limited element law to deal with multi goal optimization problems. The software, MATLAB and ANSYS are used. GA procedure and APDL grammar are adopted. The algorithms and functions of the optimization procedure will be performed and analyzed which will lead out the designed parameters with the genes. Final available design parameters under various constraints will be reached. Keyword:Optimization design、Genetic algorithms、FRP floodgates、Finite element method
APA, Harvard, Vancouver, ISO, and other styles
9

Peng, Chih-Hsiung, and 彭志雄. "A Study on the Maintenance Management System of Floodgate." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/26819947376288586647.

Full text
Abstract:
碩士
國立高雄第一科技大學
營建工程所
91
Under the special circumstance of climate and topography, hydraulic facilities are the most important infrastructures in Taiwan. One of the facilities is floodgate, it not only plays an important role in flood control but also relate to people’s life and property in the flood rely on the maintenance and management in peacetime, therefore, how to maintain and manage the floodgate is an imperative subject for us to study. The floodgate build by Taiwan’s central government to avoid river flood and sea surge, its management has been entrusted to the private companies gradually from 2000. Since the subject about the management of floodgate involves many other problems and now there is little relevant literature about it in Taiwan, in order to complete the management system and ensure its quality, the study of this paper will emphasize four issues that are key points about execution of the management. The four issues are: (1) the budget planning, (2) the auditing mechanism, (3) the suggestion of service policy, and (4) the execution plan policy, then further provides the strategy for improvement.
APA, Harvard, Vancouver, ISO, and other styles
10

Wan, Chih-Shang, and 萬志上. "A study on the establishment of the floodgate classification in Miaoli and Hsinchu areas." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/6p228k.

Full text
Abstract:
碩士
國立中興大學
土木工程學系所
102
Taiwan due to its subtropical climate and geographical environment, the rainfall is abundant and concentrates in summer and autumn which causes flooding in the rainy season. The social change and economic development results in demand of marginal land in recent years. To avoid the typhoons or heavy rain leading to a flood, it is necessary to build embankments, floodgate, and pumping station to reduce the flood potential. The floodgate is frequently used to avoid the outland water flowing backward during flooding periods. If the floodgate is not working properly, it is easy to cause the flooding in the lowland area and the loss of life and property. To management the floodgate, it is necessary to establish the classification of the floodgate. About 301 floodgates in the Hsinchu tidal river, Miaoli tidal river, Houlong River, Jhonggang River, Ke-ya-Chi Drainage, and Yan-gang-si Drainage are the study areas in this study. The economic and population factors near the floodgate, the surrounding conditions and the floodgate facilities were selected to evaluate the floodgates impact on the residents. A high degree of vigilance floodgates are 10 doors, moderate alert floodgates 44 doors, and low level floodgates are 247 doors. The floodgates on the moderate and high alert situations are mostly the drainage is not very good, and the sediment deposition around the floodgates are moderate to severe. In addition, the higher maintenance frequency of the floodgates and the outside water level is higher than inside water level. The damage to the base of the floodgates or the dikes may cause the leaking water during the typhoons or the heavy rainfall. According to the results in this study, improve the drainage facilities, discuss the water level difference, and the field investigations on the floodgates are proposed. The reasons for sediment deposition around the floodgate are expected to provide feasible advices and designs for preventing sediment deposition in future planning.
APA, Harvard, Vancouver, ISO, and other styles

Books on the topic "Floodgates"

1

Evans, Mary Anna. Floodgates. Scottsdale, AZ: Poisoned Pen Press, 2009.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
2

Evans, Mary Anna. Floodgates. Scottsdale, AZ: Poisoned Pen Press, 2009.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
3

Silverman, Jason M., Siobhan Dowling Long, Elizabeth A. Harper, Philippe Guillaume, Helen R. Jacobus, Jason Michael McCann, Y. S. Chen, et al., eds. Opening Heaven's Floodgates. Piscataway, NJ, USA: Gorgias Press, 2013. http://dx.doi.org/10.31826/9781463234775.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Morrison, Lynne A. Have the floodgates opened?: Workplace stress claims after the John Walker decision. Manchester: UMIST, 1998.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
5

Johnson, Kevin R. Opening the floodgates: Why America needs to rethink its borders and immigration laws. New York: New York University Press, 2007.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
6

Johnson, Kevin R. Opening the floodgates: Why America needs to rethink its borders and immigration laws. New York: New York University Press, 2007.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
7

Commission, London Food. Opening the floodgates: A report on the excessive use of water in food. [London]: London Food Commission, 1987.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
8

Johnson, Kevin R. Opening the floodgates: Why America needs to rethink its borders and immigration laws. New York: New York University Press, 2007.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
9

Johnson, Kevin R. Opening the floodgates: Why America needs to rethink its borders and immigration laws. New York: New York University Press, 2007.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
10

MacLean, Alistair. Floodgate. Garden City, N.Y: Ballantine Books, 1985.

Find full text
APA, Harvard, Vancouver, ISO, and other styles

Book chapters on the topic "Floodgates"

1

Stopes-Roe, Mary. "The Floodgates Opened." In Mathematics with Love, 220–36. New York: Palgrave Macmillan US, 2005. http://dx.doi.org/10.1007/978-0-230-55222-7_12.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Silverman, Jason M. "Noah’s Flood as Myth and Reception: An Introduction." In Opening Heaven's Floodgates, edited by Jason M. Silverman, Siobhan Dowling Long, Elizabeth A. Harper, Philippe Guillaume, Helen R. Jacobus, Jason Michael McCann, Y. S. Chen, et al., 1–30. Piscataway, NJ, USA: Gorgias Press, 2013. http://dx.doi.org/10.31826/9781463234775-004.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Harper, Elizabeth. "It’s all in the Name: Reading the Noah Cycle in the Light of its Plot Markers." In Opening Heaven's Floodgates, edited by Jason M. Silverman, Siobhan Dowling Long, Elizabeth A. Harper, Philippe Guillaume, Helen R. Jacobus, Jason Michael McCann, Y. S. Chen, et al., 31–56. Piscataway, NJ, USA: Gorgias Press, 2013. http://dx.doi.org/10.31826/9781463234775-005.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Guillaume, Philippe. "Sifting the Debris: Calendars and Chronologies of the Flood Narrative." In Opening Heaven's Floodgates, edited by Jason M. Silverman, Siobhan Dowling Long, Elizabeth A. Harper, Philippe Guillaume, Helen R. Jacobus, Jason Michael McCann, Y. S. Chen, et al., 57–84. Piscataway, NJ, USA: Gorgias Press, 2013. http://dx.doi.org/10.31826/9781463234775-006.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Jacobus, Helen R. "Flood Calendars and Birds of the Ark in the Dead Sea Scrolls (4Q252 and 4Q254a), Septuagint, and Ancient Near East Texts." In Opening Heaven's Floodgates, edited by Jason M. Silverman, Siobhan Dowling Long, Elizabeth A. Harper, Philippe Guillaume, Helen R. Jacobus, Jason Michael McCann, Y. S. Chen, et al., 85–112. Piscataway, NJ, USA: Gorgias Press, 2013. http://dx.doi.org/10.31826/9781463234775-007.

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

McCann, Jason Michael. "“Woven of Reeds”: Genesis 6:14b as Evidence for the Preservation of the Reed-Hut Urheiligtum in the Biblical Flood Narrative." In Opening Heaven's Floodgates, edited by Jason M. Silverman, Siobhan Dowling Long, Elizabeth A. Harper, Philippe Guillaume, Helen R. Jacobus, Jason Michael McCann, Y. S. Chen, et al., 113–40. Piscataway, NJ, USA: Gorgias Press, 2013. http://dx.doi.org/10.31826/9781463234775-008.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

Chen, Y. S. "Major Literary Traditions Involved in the Making of Mesopotamian Flood Traditions." In Opening Heaven's Floodgates, edited by Jason M. Silverman, Siobhan Dowling Long, Elizabeth A. Harper, Philippe Guillaume, Helen R. Jacobus, Jason Michael McCann, Y. S. Chen, et al., 141–90. Piscataway, NJ, USA: Gorgias Press, 2013. http://dx.doi.org/10.31826/9781463234775-009.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Silverman, Jason M. "It’s a Craft! It’s a Cavern! It’s a Castle! Yima’s Vara, Iranian Flood Myths, and Jewish Apocalyptic Traditions." In Opening Heaven's Floodgates, edited by Jason M. Silverman, Siobhan Dowling Long, Elizabeth A. Harper, Philippe Guillaume, Helen R. Jacobus, Jason Michael McCann, Y. S. Chen, et al., 191–230. Piscataway, NJ, USA: Gorgias Press, 2013. http://dx.doi.org/10.31826/9781463234775-010.

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Stokes, Ryan E. "Flood Stories in 1 Enoch 1–36: Diversity, Unity, and Ideology." In Opening Heaven's Floodgates, edited by Jason M. Silverman, Siobhan Dowling Long, Elizabeth A. Harper, Philippe Guillaume, Helen R. Jacobus, Jason Michael McCann, Y. S. Chen, et al., 231–48. Piscataway, NJ, USA: Gorgias Press, 2013. http://dx.doi.org/10.31826/9781463234775-011.

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Nestor, Dermot. "Somewhere Under The Rainbow: Noah’s Altar and the Archaeology of Cult in Ancient Israel." In Opening Heaven's Floodgates, edited by Jason M. Silverman, Siobhan Dowling Long, Elizabeth A. Harper, Philippe Guillaume, Helen R. Jacobus, Jason Michael McCann, Y. S. Chen, et al., 249–90. Piscataway, NJ, USA: Gorgias Press, 2013. http://dx.doi.org/10.31826/9781463234775-012.

Full text
APA, Harvard, Vancouver, ISO, and other styles

Conference papers on the topic "Floodgates"

1

Oler, Adam M., Ning Zhang, Steven R. Brandt, and Qin J. Chen. "Implementation of Finite Height Levee in CaFunwave Using an Immersed Boundary Method." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-51506.

Full text
Abstract:
Hydrodynamic simulations of storm-surge waves on coastal structures are essential for coastal areas in predicting wave and flood damages. In a large scale regional model, the coastal structures, such as networks of coastal highways, floodgates and levees, are often complex in shapes. In addition, the width of those structures are smaller in size compared to the grid sizes which in the ranges of 10s to 100s meters. Therefore, in hydrodynamic simulations, it is not possible to use body fitted mesh to conform with the shapes of those networks due to the complicated shapes, and it is very expensive to resolve these small scale structures with very fine grid resolutions. The Immersed Boundary Method (IBM) allows for overcoming these difficulties with an accurate but less expensive way. Since the structures were represented by immersed boundary (IB) points which do not have to be collocated with grid points, complicates shapes structures and the structures smaller than grid resolutions can be realized, and simple Cartesian grids can be utilized without sacrificing accuracy. In a previous study by the authors, an infinite height floodgate/levee structure has been implemented using an IBM which the IB force terms were added in both u and v equations while no IB force term in z (water-elevation) equation. In this study, the height effect was added to the previous developed model. It is worth mentioning that the background flow model is a 2-D depth-averaged shallow water flow model, and the height effect is not implemented by a 3-D mesh. Instead, it is implemented by adding the IB force to the water-elevation equation. The feedback-force type of IBM was used in this study because of its superior performance on this type of simulations compared to the counterpart direct-forcing IBM as shown in the author’s previous publication. In this study, the CaFunwave package was used as the background flow solver, and the IB implementation was written into an separate function incorporated to the package. The equations solved in CaFunwave are the fully nonlinear Boussinesq-type equations, which are capable of modeling of near-shore hydrodynamics. The original model of CaFunwave is FUNWAVE-TVD. In this paper, constant height and non-constant height floodgates/levees were implemented in the simulations. Non-constant height represents broken floodgate/levee situations that parts of the structure are collapsed. The results of one constant-height gate simulation were compared to the results of a simulation that a finite height gate that was constructed directly from the topography data for validation. The floodgate/levee height and shape effects on the flows and waves were revealed from the simulation results.
APA, Harvard, Vancouver, ISO, and other styles
2

Wang, X. M., L. Ding, X. Z. Zhang, X. P. Dou, and J. Jiao. "Simulation Study on Deposition Downstream Floodgates in Estuary." In 2016 5th International Conference on Civil, Architectural and Hydraulic Engineering (ICCAHE 2016). Paris, France: Atlantis Press, 2016. http://dx.doi.org/10.2991/iccahe-16.2016.133.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Saha, Gareeyasee, Anjana Parua, Sushmitha R, and Shilpa Bhat. "Automatic floodgates control using PLC with added focus on human safety." In 2015 International Conference on Control, Instrumentation, Communication and Computational Technologies (ICCICCT). IEEE, 2015. http://dx.doi.org/10.1109/iccicct.2015.7475315.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

HARTER, CRAIG, PATRICK MCLAUGHLIN, JOSHUA CARTER, and MATTHEW MAHONEY. "DEVELOPMENT OF A COMPLEX DYNAMICALLY COUPLED HYDRODYNAMIC AND SEDIMENTATION MODEL FOR THE BRAZOS RIVER FLOODGATES, TEXAS." In International Conference on Coastal Sediments 2019. WORLD SCIENTIFIC, 2019. http://dx.doi.org/10.1142/9789811204487_0169.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Tanaka, Shuji, Yutaka Honjoya, and Masayoshi Esashi. "AUSN solder vacuum packaging using melted solder floodgates and laser-activated non-evaporable getters for SIC diaphragm anticorrosive vacuum sensors." In 2010 IEEE 23rd International Conference on Micro Electro Mechanical Systems (MEMS). IEEE, 2010. http://dx.doi.org/10.1109/memsys.2010.5442459.

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

Huang, Yoshi Shih-Chieh, Huan-Yu Liu, Yuan-Ying Chang, Chung-Ta King, and Shau-Yin Tseng. "Floodgate." In the 4th International Workshop. New York, New York, USA: ACM Press, 2011. http://dx.doi.org/10.1145/2076501.2076503.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

Messelier-Gouze, Clarisse, Christian Bre´zillon, Andre´ Tubiana, and Gilles Rousseau. "Justification of the Use of Liquid Nitrogen to Make Ice-Plugs in Carbon-Manganese Steel Pipes for Maintenance Purposes in Nuclear Plants." In ASME 2002 Pressure Vessels and Piping Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/pvp2002-1349.

Full text
Abstract:
During maintenance operations in nuclear power plants, it is sometimes necessary to isolate temporarily sections of pipes. When no other mechanical device is available (floodgates, valves), the freeze sealing technique can be used. With a heat-exchanger surrounding a portion of the pipe and filled with liquid Nitrogen (−196°C), the water contained in the pipe is frozen, resulting in an ice-plug. During these operations, stresses of thermal origin are generated in the pipes, due to the thermal amplitude between the initial temperature of the pipes (40°C), and the coolant (−196°C). This is why it is necessary to study the resistance of the structure, in particular towards brittle fracture in case of the presence of a small defect in the material. The main purpose of this study, is to evaluate the maximum size of a defect acceptable, without leading to rupture of the structure while freezing. In order to reach this aim, a freezing test has been performed, and the measuresd temperatures on the surface of the tube have been used to conduct thermal and mechanical calculations. In places of maximum load, different defects have been postulated, and their nociviy has been calculated with RSEM simplified methods. This study takes place in the file concerning the justification of the cryogenic technique towards the French Nuclear Safety Authority. The evaluation of the maximum admissible defect is the first step of the demonstration, the second step will consist in studying the possible extensions to other configurations that can be met in a nuclear plant (materials, diameter, thickness), and to make a second ice-plug test in a Carbon-Manganese pipe where the maximum admissible defect has been machined, in order to show that it is resistant to the freezing with liquid Nitrogen.
APA, Harvard, Vancouver, ISO, and other styles
8

Park, Sangmin, Bada Kim, Taeyeon Won, and Junyoung Heo. "IoT-based floodgate control system." In RACS '19: International Conference on Research in Adaptive and Convergent Systems. New York, NY, USA: ACM, 2019. http://dx.doi.org/10.1145/3338840.3355688.

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Tokmajyan, V. H., A. Ya Margaryan, and A. M. Simonyan. "Experimental study of automatically operated floodgate model." In 3rd International Conference on Contemporary Problems in Architecture and Construction. IET, 2011. http://dx.doi.org/10.1049/cp.2011.1213.

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Ghali, Cesar, Gene Tsudik, Ersin Uzun, and Christopher A. Wood. "Closing the Floodgate with Stateless Content-Centric Networking." In 2017 26th International Conference on Computer Communication and Networks (ICCCN). IEEE, 2017. http://dx.doi.org/10.1109/icccn.2017.8038367.

Full text
APA, Harvard, Vancouver, ISO, and other styles

Reports on the topic "Floodgates"

1

Jones, Kenneth R., and Herschel A. Franks. Archaeological Monitoring of the St. Peter Street Floodgates Project, Orleans Parish, Louisiana. Fort Belvoir, VA: Defense Technical Information Center, January 1992. http://dx.doi.org/10.21236/ada250759.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

McAlpin, Tate O., Rutherford C. Berger, and Amena M. Henville. Bush Canal Floodgate Study. Fort Belvoir, VA: Defense Technical Information Center, July 2009. http://dx.doi.org/10.21236/ada538125.

Full text
APA, Harvard, Vancouver, ISO, and other styles
We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!

To the bibliography