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Articoli di riviste sul tema "Water management"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 28 settembre 2024

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1

Dubey, Sudhanshu, Indrani Chakraborty e Subhrajit Banerjee. "Urban Water Governance and Management". International Journal of Science and Research (IJSR) 9, n. 7 (5 luglio 2020): 1424–28. http://dx.doi.org/10.21275/sr20721112514.

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2

Krishnan, Dr Mahalaxmi. "Water Resource Management Through Community Initiatives". Indian Journal of Applied Research 1, n. 6 (1 ottobre 2011): 10–11. http://dx.doi.org/10.15373/2249555x/mar2012/4.

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3

Parmar, Dr L. P. "Environment in Water Issue and Management." International Journal of Trend in Scientific Research and Development Volume-1, Issue-5 (31 agosto 2017): 510–13. http://dx.doi.org/10.31142/ijtsrd2319.

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4

Odedra, Dr Keshubhai R. "Management of Water for Sustainable Development". International Journal of Trend in Scientific Research and Development Volume-3, Issue-3 (30 aprile 2019): 1838–39. http://dx.doi.org/10.31142/ijtsrd23540.

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5

Biernbaum, John A., e Natasha Bos Versluys. "Water Management". HortTechnology 8, n. 4 (ottobre 1998): 504–9. http://dx.doi.org/10.21273/horttech.8.4.504.

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Abstract (sommario):

Important components of water management for transplant production include water quality, the frequency and volume of water application, and the method of application. Water quality factors of concern are alkalinity, soluble salts including sodium absorption ratio (SAR), and ions at potentially toxic concentrations including boron and fluoride. The available water in individual transplant cells is influence by container size and geometry, medium particle size, medium moisture release characteristics, and wetting agents but is primarily determined by irrigation frequency and the amount of water applied at each irrigation. Irrigation scheduling can be done using several methods but is influenced by the crop stage, the water volume applied, and the frequency of drying desired. Transplants can be watered by hose and breaker, stationary sprinklers, traveling boom sprinklers, fog nozzles, or subirrigation. The outcome of experiments testing effects of transplant size, transplant age and fertilizer rates are all influenced by water management.

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6

Carr, M. K. V., P. B. Leeds-Harrison e R. C. Carter. "Water Management". Outlook on Agriculture 19, n. 4 (dicembre 1990): 229–35. http://dx.doi.org/10.1177/003072709001900404.

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7

Harsha, J. "Water Management". Current Science 114, n. 08 (25 aprile 2018): 1588. http://dx.doi.org/10.18520/cs/v114/i08/1588-1590.

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8

Störk, Konrad. "From technical water management to integral water management". WASSERWIRTSCHAFT 113, n. 11 (novembre 2023): 57–62. http://dx.doi.org/10.1007/s35147-023-1923-2.

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9

Maple, Margit, Maia Coylar, Russell Detwiler e Timu Gallien. "MODELING COASTAL WATER TABLE FLUCTUATIONS USING PFLOTRAN". Coastal Engineering Proceedings, n. 37 (1 settembre 2023): 88. http://dx.doi.org/10.9753/icce.v37.management.88.

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Coastal aquifers are highly dynamic groundwater systems. Sea level rise will cause a rise in coastal groundwater tables resulting in increased risk of shallow or emergent groundwater (Befus et al., 2020). Marine water level fluctuations cause the beach groundwater table to oscillate over a relatively large range. Understanding these oscillations is crucial, as shallow (i.e., high) water tables may impact subsurface infrastructure, mobilize sediment, and increase liquefaction risks. Although the impacts of tides and wave setup on coastal water tables have been studied (e.g., Nielsen, 1990; Housego et al, 2021), the cumulative impacts of wave runup, partially saturated flow, complex beach topography, and dual tidal forcing for bay-backed regions have not been explored. This work numerically models beach water table fluctuations which are compared to in-situ swash and beach groundwater observations at Cardiff State Beach in Encinitas, CA.

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10

Gleick, Peter H. "Water management: Soft water paths". Nature 418, n. 6896 (luglio 2002): 373. http://dx.doi.org/10.1038/418373a.

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11

Kayaga, S., I. Smout e H. Al-Maskati. "Water demand management – shifting urban water management towards sustainability". Water Supply 7, n. 4 (1 dicembre 2007): 49–56. http://dx.doi.org/10.2166/ws.2007.095.

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Whereas the world population is increasing at a high rate, especially in urban areas, water resources have not only remained constant, but are being polluted at a high rate, which inevitably results in fresh water scarcity. Current urban water management concepts and practices cannot adequately respond to these changes. There is need for water professionals to change the way they manage water resources in urban areas if we are to ensure economic and environmental sustainability. In addition to consideration of supply-side options, we need to apply water demand management (WDM) tools both on the utility and end-user sides. This paper describes the basic concepts of WDM, provides a case study of their application in Bahrain, and briefly introduces the five-year EU-funded SWTCH Project that aims at creating a paradigm shift in urban water management practices.

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12

Mitsui, Jun, Shin-ichi Ogata, Sanae Shibata, Akira Matsumoto e Masato Yamamoto. "BEHAVIOR OF FISH REEF BLOCKS FALLING THROUGH WATER". Coastal Engineering Proceedings 1, n. 33 (28 settembre 2012): 38. http://dx.doi.org/10.9753/icce.v33.management.38.

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An accurate and economical placement method for fish reef blocks utilizing free fall in the deep sea area is presented in this paper. Falling behavior of concrete blocks in water was investigated by hydraulic model experiments and 3-D numerical computations. As a result, a new fish reef block which falls through water with highly stable behavior was developed. The distribution range of the developed block on the sea bottom was predicted by a stochastic model and it was proved to be sufficiently narrow. In addition, a quick estimation method for the placement position was developed to determine the release point of the block in actual construction. By using hydrodynamic force coefficients to evaluate the forces acting on the block, the method can estimate the falling behavior of the block in a flow field with sufficient accuracy and in a short time.

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13

Daliri, Mohammad, Andrea Margarita Lira Loarca, Giulia Cremonini, Francesco De Leo, Laura Curtrone, Anna Reboa, Marco Capello, Alessandro Stocchino e Giovanni Besio. "HYDRODYNAMIC AND WATER QUALITY MODELING OF GENOVA HARBOR". Coastal Engineering Proceedings, n. 37 (1 settembre 2023): 80. http://dx.doi.org/10.9753/icce.v37.management.80.

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A contaminant is a chemical or biological substance in a concentration that can potentially cause adverse effects on the physical, chemical, or biological properties of a water body. Contamination of surface water bodies poses serious risks to both aquatic ecosystems and human health. In this respect, hydrodynamic modeling is an essential method to study scenarios for hydroenvironmental problems, such as the impact of marine pollutants in coastal areas. In the framework of the Interreg Italy-France Maritime Cooperation Project Wastewater Management for the improvement of the harbor water quality, GEREMIA, this study numerically implements such a concept on Genova (Italy) harbor using a world-leading 3D modeling suite, Delft3D to investigate the hydrodynamics and transport process within these ports.

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14

R K Patwari, Narkhede. "Water Resource Management and Water Quality Analysis in Udgir: A Semiarid Region Perspective". International Journal of Science and Research (IJSR) 12, n. 8 (5 agosto 2023): 1498–500. http://dx.doi.org/10.21275/sr23815160611.

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15

Herrling, Gerald, Heiko Knaack, Ralf Kaiser e Hanz Dieter Niemeyer. "EVALUATION OF DESIGN WATER LEVELS AT THE EMS-DOLLARD ESTUARY CONSIDERING THE EFFECT OF A STORM SURGE BARRIER". Coastal Engineering Proceedings 1, n. 32 (31 gennaio 2011): 43. http://dx.doi.org/10.9753/icce.v32.management.43.

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In the Ems-Dollard estuary at the southern North Sea coast a revaluation of design water levels along the German dykes has become necessary, since the safety margin for sea level rise was increased by 25 cm due to a decision of the Lower Saxon Ministry for Environment and Climate Protection. The upstream part of the estuary is protected against high storm surges by a storm surge barrier. The closure of the barrier effects downstream surge water levels due to partial reflection. Deterministic-mathematical modeling is applied to evaluate design water levels and design wave run-up. Three severe storm surge events have been hindcasted by a cascade of three hierarchical models from the Continental Shelf over the German Bight into the area of interest. The models are forced by non-stationary and spatially varying data of atmospheric pressure, wind velocities and directions available of meteorological model investigations. The verification of the storm surge model with water level observations yields good agreements. With respect to legal boundary conditions, the single-value-method is applied to determine the highest expected high water level at Emden. Starting from this target water level, the wind velocities in the meteorological boundary conditions are increased with the aim to increase the surge level at the coast and to match the predetermined design water level at Emden. The responding water levels in the Ems-Dollard estuary assign the new design water levels.

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16

Ijjas, Flora. "Integral water management". Periodica Polytechnica Civil Engineering 58, n. 2 (2014): 105–12. http://dx.doi.org/10.3311/ppci.7485.

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17

Skaggs, R. W., N. R. Fausey e R. O. Evans. "Drainage water management". Journal of Soil and Water Conservation 67, n. 6 (1 novembre 2012): 167A—172A. http://dx.doi.org/10.2489/jswc.67.6.167a.

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18

K, VENUGOPAL. "Water Resources Management". International Journal on Design and Manufacturing Technologies 1, n. 1 (2007): 60–62. http://dx.doi.org/10.18000/ijodam.70011.

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19

Dake, Saurabh Ravikiran. "Storm Water Management". International Journal for Research in Applied Science and Engineering Technology 9, n. VIII (5 agosto 2021): 45–46. http://dx.doi.org/10.22214/ijraset.2021.37271.

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Over the past years, rapid growth due to urbanization and industrialization, the changes in Land over and land use patterns have resulted in permanent environmental pollution to the hydrological processes. The hydrological cycle in cities is seriously affected due to increasing impervious areas as a result of urban development which has enhanced the risk of urban flooding. The increase in the impermeable area decreases infiltration, increases the runoff and reduces the time of concentration. Hence, for a given amount of rainfall, greater flooding is generated. Understanding the scope and limitation of sustainable stormwater management techniques detailed literature review is carried out. Site suitability is based on spatial analysis of data like geomorphology, slope, recharge condition, landuse and Landover map. Then analyzing local site conditions possible techniques that could be used to manage stormwater runoff are recommended and conclusions are drawn on the same.

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20

Stephenson, D. "Water Services Management". Water Intelligence Online 5 (30 dicembre 2015): 9781780402529. http://dx.doi.org/10.2166/9781780402529.

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21

Butler, D., e F. Memon. "Water Demand Management". Water Intelligence Online 5 (30 dicembre 2015): 9781780402550. http://dx.doi.org/10.2166/9781780402550.

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22

Amery, Hussein A. "Islamic Water Management". Water International 26, n. 4 (dicembre 2001): 481–89. http://dx.doi.org/10.1080/02508060108686949.

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23

SINGH, GAJENDRA, e V. V. N. MURTY. "Agricultural Water Management". Soil Science 145, n. 2 (febbraio 1988): 153. http://dx.doi.org/10.1097/00010694-198802000-00009.

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24

Jackson, Sue, e Bradley Moggridge. "Indigenous water management". Australasian Journal of Environmental Management 26, n. 3 (3 luglio 2019): 193–96. http://dx.doi.org/10.1080/14486563.2019.1661645.

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25

Bandyopadhyay, Santanu, Mandar D. Ghanekar e Harish K. Pillai. "Process Water Management". Industrial & Engineering Chemistry Research 45, n. 15 (luglio 2006): 5287–97. http://dx.doi.org/10.1021/ie060268k.

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26

Murty, V. V. N. "Agricultural water management". Agricultural Water Management 12, n. 1-2 (ottobre 1986): 161–62. http://dx.doi.org/10.1016/0378-3774(86)90015-6.

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27

Sinnott, Colin. "Integrated water management". Utilities Policy 1, n. 5 (ottobre 1991): 441–42. http://dx.doi.org/10.1016/0957-1787(91)90026-2.

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28

Rezaee, Zabihollah. "Water resource management". Atlantic Economic Journal 27, n. 3 (settembre 1999): 343–52. http://dx.doi.org/10.1007/bf02299585.

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29

van der Molen, W. H. "Agricultural water management". Journal of Hydrology 93, n. 3-4 (settembre 1987): 379. http://dx.doi.org/10.1016/0022-1694(87)90106-5.

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30

Biswas, Asit K., e Cecilia Tortajada. "Reimagining water management". International Journal of Water Resources Development 39, n. 4 (20 giugno 2023): 549–56. http://dx.doi.org/10.1080/07900627.2023.2222989.

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31

Rauschenbach, Thomas, e Jürgen Moßgraber. "Advanced water management". at - Automatisierungstechnik 72, n. 6 (1 giugno 2024): 497–98. http://dx.doi.org/10.1515/auto-2024-0060.

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32

Banuri, Tariq. "Integrated Water Resources Management: Seeking sustainable solutions to water management". Natural Resources Forum 33, n. 1 (febbraio 2009): 1. http://dx.doi.org/10.1111/j.1477-8947.2009.01202.x.

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33

BOWERSOX, JOE. "From Water Development to Water Management". American Behavioral Scientist 44, n. 4 (dicembre 2000): 599–613. http://dx.doi.org/10.1177/00027640021956404.

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34

Caquard, Sébastien. "Water Quality Mapping for Water Management". Cartographic Perspectives, n. 32 (1 marzo 1999): 29–43. http://dx.doi.org/10.14714/cp32.626.

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This paper explores how maps can support water quality management as part of a common project between a water management organization (Service Départementale de L’eau du Conseil Général de Haute-Loire - France) and a research laboratory (Centre de Recherche sur l’Environnement et l’Aménagement - Université de Saint-Etienne - France). Visualization tools are proposed to bring together the different stakeholders in the negotiation process for water management. Two fundamental questions are examined here: (1) how do we communicate the different water quality information to the various stakeholders to improve their awareness of the environment; and (2) how could we evaluate the effectiveness of a cartographic visualization system in the process of negotiation between different stakeholders. Alternative methods are proposed here to present and evaluate water quality information in the form of maps.

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35

Czikkely, Márton, M. Itimad Ibrahim e J. Sándor Zsarnóczai. "Sustainable water management and water supply". Tájökológiai Lapok 10, n. 2 (10 dicembre 2012): 413–18. http://dx.doi.org/10.56617/tl.3809.

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In all over the world in consequence of the global warming the water use became very much increasable demanded. At present the agricultural sector remained as the biggest user for the water. At the national economic level of the developing countries, the water use for agricultural sector was 80% of all amount of the water coming from the rivers. This portion was about 65% at national economic level of the highly developed countries, in which the agricultural sector had share between 3-5% of the GDP. The other 35% were used by the industrial sector, service sectors and population water consumption. Also about 40% of the world’s food came from the irrigated 20% areas of all cultivated lands. The water use of agricultural sector was very considerable. In this case the development of the irrigation system is demanded at the international and Hungarian national levels because of its strong connection with food production. There are two kinds of irrigation systems, namely the large scale and small scale irrigation one, both of which are also public and private sectors, as well. The national governments provide the planning, financial supports, and investment activities, but in most of cases the farmers get subsidies. In private field farmers, as carrying the risk, realise economic activities including the developing irrigation system based on governmental supports. This case study analyzes the importance of large and small scale irrigation systems, because both of them are equally important based on the available capital amount and the production structure of farms.

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36

G S, Dr Mamatha, e Lakshminarayana V K. "Automatic Controller Service Package for Tank Water Management". International Journal of Innovative Research in Computer Science & Technology 7, n. 4 (luglio 2019): 113–20. http://dx.doi.org/10.21276/ijircst.2019.7.4.2.

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37

Dr. J. P. SABANNAVAR., Dr J. P. SABANNAVAR, e Dr P. L. HARALE Dr. P. L. HARALE. "The Global Water Resource Management - An Analytical View". Indian Journal of Applied Research 4, n. 4 (1 ottobre 2011): 81–84. http://dx.doi.org/10.15373/2249555x/apr2014/22.

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38

Gautam, Kshitij. "Decision Making in Waste Water Management in India". International Journal of Trend in Scientific Research and Development Volume-2, Issue-5 (31 agosto 2018): 968–72. http://dx.doi.org/10.31142/ijtsrd17009.

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39

Khumarova, Nina. "DOMINANTES OF WATER RESOURCES ADMINISTRATIVE MANAGEMENT IN UKRAINE". INTERNATIONAL JOURNAL OF NEW ECONOMICS, PUBLIC ADMINISTRATION AND LAW 2, n. 2 (1 settembre 2018): 149–58. http://dx.doi.org/10.31264/2545-093x-2018-2(2)-149-158.

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40

Fedulova, Svitlana, Volodymyr Dubnytskyi, Vitalina Komirna e Nataliia Naumenko. "Economic development management in a water-capacious economy". Problems and Perspectives in Management 17, n. 3 (23 agosto 2019): 259–70. http://dx.doi.org/10.21511/ppm.17(3).2019.21.

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The world tendencies of spatial development, namely the availability of limited resources (primarily water) and the growth of the world’s food needs focus on the resource specialization of the region. On this basis, the purpose of the article is to study the impact of the water-capacious economy on the economic development of the country and its regions. The study used the traditional and special methods, including: historical and logical method – to analyze the functioning of regional socio-economic systems under limited water resources; and system analysis methods – to evaluate the impact of the water-capacious economy on the economic development of the country and its regions. The research results have important implications for the management of the territories. The authors show that the production specialization of the regions of Ukraine on the export/import of water-capacious products is not determined by their water supply. They also suggest that stimulating the region’s water-efficient activity should lead to a minimization of the water capacity of gross regional product and the reproduction of water capital, taking into account the water security of the regions. The authors also show that the water resources of the country and its regions and the natural water potential of the territories in the current situation become significant restriction to the economic development of territories, which allows to state the need to change the approaches to the regulation of regional development based on limited water resources.

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41

Shah, Faheem Sajjad. "Water Management and Environmental Issues in Developing Countries". Indian Journal of Pure & Applied Biosciences 11, n. 4 (30 agosto 2023): 1–8. http://dx.doi.org/10.18782/2582-2845.8999.

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Water is vital to both ecosystems and human cultures. Because of numerous worldwide developments, human activities' influence on land and water has grown more obvious. These are examples of climate change, urbanization, socioeconomic development, and population increase. While it is often assumed that ensuring water security is the cornerstone of sustainable development, research into its evolution and numerous environmental elements is still in its early phases. The purpose of this research is to offer an overview of the topic. This notion attempts to give clean water to all people. It attempts to provide healthy and productive lifestyles in addition to providing enough resources to everyone on the planet. Despite technical developments in the water resource management business, the lax attitude to resolving the numerous difficulties related to water security remains a serious concern internationally. This study will examine the many components of a water authentication scheme and its evolution in emerging nations as a result of environmental changes. It also looks at the many sustainable solutions that may be employed to address these issues.

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42

Knudsen, Soeren Bjerre, Signe M. Ingvardsen, Holger Toxvig Madsen, Carlo Sorensen e Bo Brahtz Christensen. "INCREASED WATER LEVELS DUE TO MORPHODYNAMIC CHANGES; THE LIMFJORD, DENMARK". Coastal Engineering Proceedings 1, n. 33 (25 ottobre 2012): 49. http://dx.doi.org/10.9753/icce.v33.management.49.

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The Limfjord is an estuary in Denmark between The North Sea and Kattegat. The Thyboroen Channel connects the fjord with The North Sea. The water levels in the western part of the Limfjord are strongly correlated with the water level in the sea at Thyboroen. Analyses revealed a close to threefold increase in the channel cross section over the last 100 years. This has led to a detailed investigation into the effects of the channel cross section on the extreme high water levels in the Limfjord now and in the future. For Lemvig in the western part of the Limfjord the water level with a return period of 100 years would have been 1.73 m with the 1958 channel bathymetry throughout the whole period and 1.99 m with the 2005 channel bathymetry. With the extrapolated 2060-bathymetry the 100 years water level will be 2.38 m. A number of measures to counteract the consequences of this development have been evaluated.

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Horie, Takehito, Keita Furukawa e Tomonari Okada. "SPATIAL DISTRIBUTION OF HYPOXIC WATER MASS BASED ON A MONITORING CAMPAIGN OF BAY ENVIRONMENT AT TOKYO BAY, JAPAN." Coastal Engineering Proceedings 1, n. 32 (26 gennaio 2011): 51. http://dx.doi.org/10.9753/icce.v32.management.51.

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In 2008, a monitoring campaign of bay environment had been done at Tokyo Bay, Japan. This campaign has been a part of implementation of the bay renaissance plan enacted since 2005. The data was collected by 46 institutions in 568 monitoring points in around 2nd July 2008. Dissolved oxygen, salinity and temperature were monitored in sea area basically from the surface to the bottom with 1.0 m vertical spacing at the monitoring points. We analyzed spatial distribution of hypoxic water mass based on this monitoring campaign data. Following results are obtained that 1) Measurement results showed that the bottom hypoxic water mass dominated in the head of Tokyo bay, while dissolved oxygen concentration was high condition in tidal flat and in shallow water, such as the Tama River estuary, Sanbanze tidal flat area and the Ara River estuary. 2) We proposed new parameters, such as CDZ and VDZ, which showed characteristic of spatial distribution of hypoxic water. The proposed parameters could be related to the temporal and spatial development of hypoxic water. Thus, these parameters will extend the interpretation of conservative bottom dissolved oxygen (DOB) data to understand the dynamics of hypoxic water.

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Alfarra, Amani, Eric Kemp Benedict, Heinz Hötzl, Nayif Sader e Ben Sonneveld. "Modeling Water Supply and Demand for Effective Water Management Allocation in the Jordan Valley". Journal of Agricultural Science and Applications 01, n. 01 (30 marzo 2012): 1–7. http://dx.doi.org/10.14511/jasa.2012.010101.

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D, Schlütter,. "Niger, water, management Niger, Wasser, Management". GIS Business 11, n. 5 (22 ottobre 2016): 8–11. http://dx.doi.org/10.26643/gis.v11i5.5252.

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46

Bender, Christopher, Ashley Kauppila e Don Resio. "APPLICATION OF THE MODIFIED LINEAR SUPERPOSITION METHOD FOR TIDE AND STORM SURGE INTERACTION — TROPICAL AND EXTRA-TROPICAL CYCLONES". Coastal Engineering Proceedings, n. 37 (2 ottobre 2023): 148. http://dx.doi.org/10.9753/icce.v37.management.148.

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Coastal modeling efforts have applied different ways to handle the interaction of storm surge and tides. In relatively deep water, tidal superposition can be considered an approximately linear process (with the storm-generated water level added to the tide level providing a reasonable total water level). However, in shallow water with restricted access to the ocean, tide and surge superposition can be nonlinear such that simple addition of surge and tide proves inaccurate. The paper and presentation provide an extension of previous work that developed the Modified Linear Superposition (MLS) Method to analyze the interaction of the storm surge with the tide. The method is designed to produce accurate, unbiased results while at the same time not requiring excessive computer resources and time.

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47

Soltau, Felix, Sebastian Niehüser e Jürgen Jensen. "CHALLENGES IN AUTOMATION OF QUALITY CONTROL FOR TIDE GAUGE DATA". Coastal Engineering Proceedings, n. 37 (2 ottobre 2023): 169. http://dx.doi.org/10.9753/icce.v37.management.169.

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Tide gauges provide important water level data for navigation, port management, coastal protection strategies, ecological adaptation measures, or climate change assessments. For these tasks, a reliable availability and high quality of the data is crucial. However, water level data from tide gauges contain technical errors as well as anthropogenic and natural influences. For the German North Sea coast and estuaries, resulting water level anomalies are partially detected and corrected manually by qualified personnel and further considered by individual subsequent users of that data. Figure 1 shows an example of such a correction of water level anomalies around tidal low water from tide gauge data at Husum, Germany, in 2016. In general, manual quality control leads to different handlings and thus incomparable results. Consequently, a uniform and automated pre-processing is needed for tide gauge data in Germany in order to detect, correct, and classify anomalies ideally in real time. The developed pre-processing approaches will not be limited to tide gauges in Germany but can be globally transferred or be extended to river sites.

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48

Müller-Navarra, Sylvin, e Ingrid Bork. "DEVELOPMENT OF AN OPERATIONAL ELBE TIDAL ESTUARY MODEL". Coastal Engineering Proceedings 1, n. 32 (26 gennaio 2011): 48. http://dx.doi.org/10.9753/icce.v32.management.48.

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Abstract (sommario):

Due to local tidal conditions, vessels coming in from the North Sea and bound for the port of Hamburg – more than 100 km upstream – require continually updated hydrological and oceanographic forecasts. The principal objective of the research project OPTEL (Operational Elbe Tidal Estuary Model) is to provide hydrological and oceanographic forecasts about water levels, depths, currents, salinity, temperature and ice conditions for any tidally influenced place on the river Elbe. By using a numerical model, it is ensured that water levels and currents are coupled dynamically, which allows peak water levels, slack water times, and – in 3D modelling – flow profile to be modelled in a physically consistent way and with high resemblance to natural conditions. The model concept including model output statistics (MOS) and first model results are presented.

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49

Leo, Francesco De, Stefan Andreas Talke, Philip Mark Orton e Thomas Wahl. "THE EFFECT OF HARBOR DEVELOPMENTS ON HIGH-TIDE FLOODING IN MIAMI (FL)". Coastal Engineering Proceedings, n. 37 (1 settembre 2023): 30. http://dx.doi.org/10.9753/icce.v37.management.30.

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Abstract (sommario):

We develop and validate a tidal-inference based methodology that leverages estimates of historical tidal ranges to obtain historical tidal predictions and constituents. Next, the method is applied to a case study in Miami (Florida), where mean tidal range has more than doubled since 1900, from 0.32 m to 0.66 m today. Water level predictions that represent historical and modern water level variations are projected forward in time using different sea level rise (SLR) scenarios, to see how the historical increase in tidal range affects the occurrence of present-day and future high-tide flooding. To this end, we apply the method of Li et al., (2021), which implies to remove tidal oscillations from present-day water levels and replace them with constant tidal prediction, obtained with tidal constituents representing historic conditions. This creates a synthetic time series that approximates what water levels would have been, had tides not evolved. Possible future water levels are estimated for each SLR scenario for (a) a “tide-only” scenario, using tidal oscillation on top of SLR and accounting for average seasonal cycle of mean sea level (MSL); and (b) a “total water level” approach that includes SLR, non-tidal fluctuations and seasonal sea level. While the first approach neglects relevant forcing (e.g., inter-annual to decadal MSL variability, river discharge, storm surge), it enables us to isolate the contribution of tides to HTF and provides useful metrics for quantifying the effects that tides and SLR have on coastal flooding.

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50

Geldof, Govert D. "Adaptive water management: integrated water management on the edge of chaos". Water Science and Technology 32, n. 1 (1 luglio 1995): 7–13. http://dx.doi.org/10.2166/wst.1995.0004.

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Abstract (sommario):

To give form and content to integrated water management, we often apply an internal approach, based on the component parts. With this approach we encounter at least three problems: the problem of scale, the problem of level and the problem of assessment. We can solve these problems by applying an external approach to integrated water management, in addition to the internal approach. This is possible by application of the theory of complexity. It turns out that we can describe the sum of the processes within integrated water management as a complex adaptive system, a learning and evolving system. If we use this system as a model, we come to the insight that we must not try to achieve as much order as possible, but that we have to look for a good balance between order and chaos. If we find that balance, we are able to adapt water management to the ever changing surroundings. The usefulness of the approach becomes clear if we look at the discussion in urban water management about the applicability of source control and end-of-pipe techniques. The approach provides a strategy for handling uncertainties.

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