Thematische Bibliographien / Hydrology/Water Resources

Auswahl der wissenschaftlichen Literatur zum Thema „Hydrology/Water Resources“

Autor: Grafiati
Veröffentlicht am 27. Juli 2024
Zuletzt aktualisiert am 29. Juli 2024

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Zeitschriftenartikel zum Thema "Hydrology/Water Resources"

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Hattermann, Fred Fokko, Shaochun Huang und Hagen Koch. „Climate change impacts on hydrology and water resources“. Meteorologische Zeitschrift 24, Nr. 2 (13.04.2015): 201–11. http://dx.doi.org/10.1127/metz/2014/0575.

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Schultz, Richard C., und Kye-Han Lee. „Book Reviews: Forest Hydrology: An Introduction to Water and Forests“. Forest Science 49, Nr. 2 (01.04.2003): 336–37. http://dx.doi.org/10.1093/forestscience/49.2.336.

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Abstract In recent years, water resource issues concerning quality, quantity, and timing have been dominating natural resource management discussions around the world. Forest hydrology has historically been an important topic in forest management leading to some of the earliest forest research conducted in the United States. While there are a few textbooks on forest hydrology, there has always been a dilemma in what to include in such books. The hydrologic cycle may be briefly covered in ecology courses. However, without a significant introduction to water resources, most forestry and nonforestry students who enroll in a forest hydrology course do not have sufficient background in water resources to really understand the effect forests have on water quality, quantity and timing. A textbook for most forest hydrology courses should not only cover topics on forest impacts on water but also provide the basics of water properties, movement, and storage in the atmosphere, soil matrix, and surface water bodies. Putting both major topic areas in one manageable textbook requires trade-offs that do not dilute either subject area too much, but rather skillfully blend the two together. Mingteh Chang has done just that in writing this book.
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Dai, Chang Lei, Cheng Gang Yu, Lan Lin, Di Fang Xiao und Hui Yu Li. „Analysis of Characteristics of Hydrology and Water Resources of the Heilong (Amur) River Basin“. Advanced Materials Research 550-553 (Juli 2012): 2525–32. http://dx.doi.org/10.4028/www.scientific.net/amr.550-553.2525.

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As the most remote river in the North of China, Heilong (Amur) River have an abundant precipitation in the basin and a rich runoff. Due to the special transnational spanned geographic location, Heilong (Amur) basin 's borders, water rights, regional water resources development are a big concern. Due to lack of multinational management and information, analysis of characteristic of Heilong (Amur) watershed's hydrology and water resources are not enough. In order to serve the water resources development and water security, and to better understand the state of hydrology and water resources in Heilong River, this article make a reference to the Heilong River Hydrographic and the research of hydrologic data about Heilong River, detailed analyzed the characteristics of hydrology and water resources. For reference to scientists of geography, water conservancy and hydropower who are interested in Heilong River's hydrographic.
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Cisty, Milan, und Lubomir Celar. „Using R in Water Resources Education“. International Journal for Innovation Education and Research 3, Nr. 10 (31.10.2015): 97–116. http://dx.doi.org/10.31686/ijier.vol3.iss10.451.

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This review paper will deal with the possibilities of applying the R programming language in water resources and hydrologic applications in education and research. The objective of this paper is to present some features and packages that make R a powerful environment for analysing data from the hydrology and water resources management fields, hydrological modelling, the post processing of the results of such modelling, and other task. R is maintained by statistical programmers with the support of an increasing community of users from many different backgrounds, including hydrologists, which allows access to both well established and experimental techniques in various areas.
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Freeze, R. Allan. „Water Resources Research and interdisciplinary hydrology“. Water Resources Research 26, Nr. 9 (September 1990): 1865–67. http://dx.doi.org/10.1029/wr026i009p01865.

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Gleick, Peter H. „Climate change, hydrology, and water resources“. Reviews of Geophysics 27, Nr. 3 (1989): 329. http://dx.doi.org/10.1029/rg027i003p00329.

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Law, Frank M. „Dictionary of hydrology and water resources“. Journal of Hydrology 176, Nr. 1-4 (März 1996): 298. http://dx.doi.org/10.1016/s0022-1694(96)90038-4.

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Singh, Pushpendra Kumar, Pankaj Dey, Sharad Kumar Jain und Pradeep P. Mujumdar. „Hydrology and water resources management in ancient India“. Hydrology and Earth System Sciences 24, Nr. 10 (05.10.2020): 4691–707. http://dx.doi.org/10.5194/hess-24-4691-2020.

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Abstract. Hydrologic knowledge in India has a historical footprint extending over several millenniums through the Harappan civilization (∼3000–1500 BCE) and the Vedic Period (∼1500–500 BCE). As in other ancient civilizations across the world, the need to manage water propelled the growth of hydrologic science in ancient India. Most of the ancient hydrologic knowledge, however, has remained hidden and unfamiliar to the world at large until the recent times. In this paper, we provide some fascinating glimpses into the hydrological, hydraulic, and related engineering knowledge that existed in ancient India, as discussed in contemporary literature and revealed by the recent explorations and findings. The Vedas, particularly, the Rigveda, Yajurveda, and Atharvaveda, have many references to the water cycle and associated processes, including water quality, hydraulic machines, hydro-structures, and nature-based solutions (NBS) for water management. The Harappan civilization epitomizes the level of development of water sciences in ancient India that includes construction of sophisticated hydraulic structures, wastewater disposal systems based on centralized and decentralized concepts, and methods for wastewater treatment. The Mauryan Empire (∼322–185 BCE) is credited as the first “hydraulic civilization” and is characterized by the construction of dams with spillways, reservoirs, and channels equipped with spillways (Pynes and Ahars); they also had an understanding of water balance, development of water pricing systems, measurement of rainfall, and knowledge of the various hydrological processes. As we investigate deeper into the references to hydrologic works in ancient Indian literature including the mythology, many fascinating dimensions of the Indian scientific contributions emerge. This review presents the various facets of water management, exploring disciplines such as history, archeology, hydrology and hydraulic engineering, and culture and covering the geographical area of the entire Indian subcontinent to the east of the Indus River. The review covers the period from the Mature Harappan Phase to the Vedic Period and the Mauryan Empire.
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Day-Lewis, Frederick D., und Arpita P. Bathija. „Introduction to this special section: Hydrogeophysics“. Leading Edge 41, Nr. 8 (August 2022): 518. http://dx.doi.org/10.1190/tle41080518.1.

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Hydrogeophysics is a crossdisciplinary field integrating hydrogeology with geophysics for more efficient, cost-effective, and minimally invasive characterization and monitoring. Hydrogeophysics aims to provide basic insight to guide understanding of hydrologic processes and applied insight to support the assessment and (or) management of water resources and ecosystem services across multiple scales, as reviewed by Binley et al. (2015) . As in geophysical investigations for mineral and fossil energy resources, geophysical applications to hydrologic problems seek to characterize subsurface structure and (or) monitor time-varying conditions (i.e., saturation or concentration); this information provides constraints or calibration data for both conceptual and simulation models of flow and transport. Recent interests and technological advances have expanded the use of geophysics dramatically in many areas of hydrology, including groundwater remediation monitoring (e.g., Kessouri et al., 2022 ), groundwater/surface-water exchange (e.g., McLachlan et al., 2017 ), cold regions hydrology (e.g., Briggs et al., 2017 ), coastal hydrology (e.g., Goebel et al., 2017 ), and many others.
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TANAKA, Tomohiro, Satoshi WATANABE, Shunji KOTSUKI, Yoshiaki HAYASHI, Yasuyuki MARUYA, Yoshiya TOUGE, Dai YAMAZAKI et al. „Frontiers in Hydrology and Water Resources Research“. JOURNAL OF JAPAN SOCIETY OF HYDROLOGY AND WATER RESOURCES 31, Nr. 6 (05.11.2018): 509–40. http://dx.doi.org/10.3178/jjshwr.31.509.

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Dissertationen zum Thema "Hydrology/Water Resources"

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Ffolliott, Peter F., Leonard F. DeBano, Lori A. Strazdas, Malchus B. Jr Baker und Gerald J. Gottfried. „Hydrology and Water Resources: A Changing Emphasis?“ Arizona-Nevada Academy of Science, 1997. http://hdl.handle.net/10150/296488.

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Bayley, Timothy West, und Timothy West Bayley. „Decision Making Under Uncertainty in Water Resources“. Diss., The University of Arizona, 2016. http://hdl.handle.net/10150/621871.

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Hydrology is a field fraught with uncertainty. Uncertainty comes from both our inability to perfectly know the true nature of constant system components of hydrologic systems (e.g. hydraulic conductivity, geologic structure, etc.) and our inability to perfectly predict the behavior of variable system components (e.g. future precipitation, future streamflow, etc.). Hydrologic literature has increasingly recognized that within the bounds of uncertainty, many acceptable hydrologic models exist and differ in their predictions. Modeling applications that recognize this uncertainty have become more practical as a result of increasing computing power and improved software. Given a set of model predictions, the applied hydrologist or water resource manager is faced with an important question: in light of this uncertainty, how do I make the best decision? Many decision making criteria are valid for use in water resources, however, decision making criteria are subjective in their nature and require input from the decision maker about their values and outlook. Decision making criteria can range from optimistic to pessimistic, and can be probabilistic or non-probabilistic. This dissertation explores the importance of hydrologic uncertainty and the stance of the decision maker in selecting an appropriate decision making criterion. The dissertation comprises four manuscripts. The first manuscript presents an analysis of uncertainty arising from choice of groundwater sampling method. The study analyzes how three sampling methods compare across a range of analytes and well constructions. The second manuscript presents an analysis of the risk that a wellfield will not be able to meet water demands. A Monte-Carlo model is used to evaluate how uncertainty arising from variable groundwater recharge in an alluvial aquifer translates to total wellfield risk. The third manuscript reviews multi-model methods used to support decision making and makes an argument that non-probabilistic decision making methods deserve a larger role in hydrologic studies. A groundwater recharge example is presented that compares the performance of model selection, model averaging, probabilistic, and non-probabilistic decision making methods when used for decision making. The final manuscript presents the Discrimination Inference to Reduce Expected Cost Technique (DIRECT). DIRECT is a MATLAB® based computer code that optimizes project design under uncertainty using an expected utility decision criterion. Examples are presented for remediation system design and groundwater pumping.
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Gelt, Joe, und Marv Waterstone. „Water Resources Research Center Serves the Arizona Water Community“. Arizona-Nevada Academy of Science, 1988. http://hdl.handle.net/10150/296416.

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From the Proceedings of the 1988 Meetings of the Arizona Section - American Water Resources Association and the Hydrology Section - Arizona-Nevada Academy of Science - April 16, 1988, University of Arizona, Tucson, Arizona
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Zafirakou, Antigoni Koulouris. „Statistical analysis techniques in water resources engineering /“. Thesis, Connect to Dissertations & Theses @ Tufts University, 2000.

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Thesis (Ph. D.)--Tufts University, 2000.
Adviser: Richard M. Vogel. Submitted to the Dept. of Civil and Environmental Engineering. Includes bibliographical references (leaves 206-214). Access restricted to members of the Tufts University community. Also available via the World Wide Web;
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Nomas, Hamdan Bagi. „The water resources of Iraq : an assessment“. Thesis, Durham University, 1988. http://etheses.dur.ac.uk/1694/.

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Ffolliott, Peter F., Daniel G. Neary und Gerald J. Gottfried. „A Brief History of the Hydrology Section“. Arizona-Nevada Academy of Science, 2006. http://hdl.handle.net/10150/296616.

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Ekstedt, Karin. „Local water resource assessment in Messinia, Greece“. Thesis, Stockholms universitet, Institutionen för naturgeografi och kvartärgeologi (INK), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-93033.

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Messinia is a region in Greece renowned for its rich nature, olive agriculture and water availability. In the light of increasing anthropogenic and climatic pressure, this study assessedlocal water resources in catchments in south western parts of the region. The main objectives were to evaluate the balance between supply and demand, the sustainability of current waterconsumption, capacity of further land use intensification and to review local water management. The method was dual with both quantitative (water balance calculations and linear modeling) and qualitative (interviews and a questionnaire survey) approaches.It was confirmed that, on an annual basis, rainfall is comparatively high, there is a surplus of water leaving the catchments and aquifers are “superfluous”. The climate however, brings seasonal imbalance and notable shortages during summer that affect operation of local actors, especially with agriculture and tourism being the principal water users. Unofficial sources indicated that current consumption may not be sustainable, either because of over-exploitation or climatic changes, but further studies are required to draw reliable conclusions. Modeling showed the importance of land management, that unconsidered water consumption may impact the water balance substantially but also that, while minimizing evapotranspiration,there is capacity of intensification if water withdrawals are increased. Considering accessibility, competitive interests and sustainability however, such development is not necessarily feasible.The municipal water management appeared to be well established and, given that measures are taken concerning for example stakeholder integration and regulation of private and agricultural consumption, there is capacity of handling increasing water stress. Finally, stressing the crucial role of freshwater availability, the study highlighted the importance of further hydrological research and thus the need for improved data quality, particularly regarding river discharge.
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Adeloye, A. J. „Value of river flow data for water resources and water quality assessment“. Thesis, University of Newcastle Upon Tyne, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.378277.

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Bajabaa, Saleh A. S. „Water resources of wadi systems of southern Saudi Arabia“. Thesis, University of St Andrews, 1996. http://hdl.handle.net/10023/15212.

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This study is a water resources assessment of two wadi systems in the southern Arabian Shield using seismic refraction, electrical resistivity (VES) and borehole geophysical techniques, pumping tests and ground water quality data and an examination of artificial recharge. Wadi Baysh (flowing southwest to the Red Sea) and Wadi Habawnah (flowing east to the Rub Al Khali) have similar catchment areas (approximately 10000 km2) and are underlain by igneous and metamorphic rocks but contrast in their hydrological cycles. The mean annual rainfall of Wadi Baysh is 350 mm while Wadi Habawnah receives 150 mm. The mean annual water discharges of Wadi Baysh and Wadi Habawnah are 75 and 10 mcm respectively. Hydrochemical classification, evolution of groundwater and its suitability for agricultural and domestic usage were studied in both wadis. In the upper and middle parts of both wadis the solute concentrations reach 1200 mg/l whereas in the lower parts solute concentrations range between 2000 and 3500 mg/l. Both wadis show high average values of transmissivity and storativity determined from pumping tests and grain size analysis. The geophysical surveys confirmed that the unconfined aquifer thickness is less than 42 m in both wadis. The seismic velocities of the aquifers range between 536 and 1817 ms-1 while the resistivities range between 23 and 125 ohm-m in both wadis. The igneous and metamorphic bedrock resistivity range between 3400 and 10260 ohm-m. The sediment has a high potential for water supply in the middle and lower parts of both wadis. The transverse resistance of the saturated part of the aquifers is used for correlation with the hydraulic transmissivity in which a computed empirical function may be applicable to similar aquifers in other Arabian Shield wadis. This study introduces a plan for the surface and subsurface storage that should help to manage the perennial yield and minimise the mining yield. The analysis reveals that building small reservoirs in both wadis is economically justifiable.
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Evans, Lauren G. „Minimizing the Effects of Cement Slurry Bleed-Water on Water Quality Samples“. Arizona-Nevada Academy of Science, 1987. http://hdl.handle.net/10150/296377.

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From the Proceedings of the 1987 Meetings of the Arizona Section - American Water Resources Association, Hydrology Section - Arizona-Nevada Academy of Science and the Arizona Hydrological Society - April 18, 1987, Northern Arizona University, Flagstaff, Arizona
Some groundwater monitor wells produce water quality samples with anomalously high pH measurements. In some of these wells it is obvious that these water quality samples are affected by the bleed-water from the cement used to seal the annuli. To gain an understanding as to why cement bleed -water occurs and how it can be controlled, literature from both the cement and petroleum industries are reviewed. Cement is a very alkaline material. When too much water is used to prepare the slurry, alkaline bleed -water can drain through or along the cement sheath surrounding the casing. This results in an increase in the pH measurements of groundwater samples. This bleed-water can separate from the cement in-three ways: it can move into the formation during cementing, it can accumulate within the cement forming pockets and channels behind the casing, and it can remain within the interconnected capillaries that exist throughout the cement sheath. The drainage of alkaline bleed -water from the cement can be greatly reduced by controlling the amount of water used in the preparation of the slurry. The amount of water added can be monitored during well construction by measuring the slurry density. By implementing this quality control procedure during well construction along with specifying the correct amount of mix-water for the slurry, the elevated pH levels in groundwater samples should be greatly reduced if not completely eliminated.
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Bücher zum Thema "Hydrology/Water Resources"

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Geological Survey (U.S.). Water Resources Division. Colorado District, Hrsg. Water resources. [Denver, CO]: U.S. Geological Survey, Colorado District, 1995.

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Petersen, Margaret S. Water resources: Hydraulics and hydrology. Alexandria, Va: US Army Corps of Engineers, 1998.

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Patra, K. C. Hydrology and water resources engineering. Boca Raton, Fla: CRC Press, 2001.

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United States. Army. Corps of Engineers, Hrsg. Water resources: Hydraulics and hydrology. Alexandria, Va: US Army Corps of Engineers, 1998.

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Harrison, Alfred S. Water resources: Hydraulics and hydrology. Alexandria, Va: US Army Corps of Engineers, 1998.

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Snyder, Franklin F. Water resources: Hydraulics and hydrology. Alexandria, Va: US Army Corps of Engineers, 1997.

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Mays, Larry W. Water resources engineering. 2. Aufl. Tempe, Ariz: John Wiley, 2010.

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Gültekin, Günay, Johnson A. I. 1919-, International Association of Hydrological Sciences. und United Nations Development Programme, Hrsg. Karst water resources. [Wallingford, Oxon]: International Association of Hydrological Sciences, 1986.

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Gültekin, Günay, Johnson A. I. 1919- und United Nations Development Programme, Hrsg. Karst water resources. Washington, D.C: IAHS, 1986.

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Vandike, James E. Surface water resources of Missouri. Rolla, Mo. (P.O. Box 250, Rolla 65402-0250): Missouri Dept. of Natural Resources, Division of Geology and Land Survey, 1995.

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Buchteile zum Thema "Hydrology/Water Resources"

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Datta, B., und V. P. Singh. „Hydrology“. In The Brahmaputra Basin Water Resources, 139–95. Dordrecht: Springer Netherlands, 2004. http://dx.doi.org/10.1007/978-94-017-0540-0_8.

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Salas, Jose D., Rao S. Govindaraju, Michael Anderson, Mazdak Arabi, Félix Francés, Wilson Suarez, Waldo S. Lavado-Casimiro und Timothy R. Green. „Introduction to Hydrology“. In Modern Water Resources Engineering, 1–126. Totowa, NJ: Humana Press, 2013. http://dx.doi.org/10.1007/978-1-62703-595-8_1.

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Wang, Jing’ai, Shunlin Liang und Peijun Shi. „Hydrology and Water Resources“. In World Regional Geography Book Series, 103–20. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-04158-7_5.

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Delleur, J. W. „Introduction to Urban Hydrology and Stormwater Management“. In Water Resources Monograph, 1–34. Washington, D. C.: American Geophysical Union, 2013. http://dx.doi.org/10.1029/wm007p0001.

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Kaczmarek, Zdzislaw, Nigel W. Arnell und Leszek Starkel. „Climate, Hydrology, and Water Resources“. In Water Resources Management in the Face of Climatic/Hydrologic Uncertainties, 3–29. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-0207-7_1.

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Albaji, Mohammad. „Water resources science“. In Introduction to Water Engineering, Hydrology, and Irrigation, 91–114. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003293507-7.

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Sharma, M. L. „Impact of Agriculture on Nutrient Contamination of Water Resources“. In Water-Quality Hydrology, 57–79. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-011-0393-0_5.

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Davie, Tim, und Nevil Wyndham Quinn. „Water Resources in a Changing World“. In Fundamentals of Hydrology, 233–56. Third Edition. | New York : Routledge, 2019. | Series: Routledge Fundamentals of Physical Geography series | Previous edition: 2008.: Routledge, 2019. http://dx.doi.org/10.4324/9780203933664-11.

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Davie, Tim, und Nevil Wyndham Quinn. „Water Resources in a Changing World“. In Fundamentals of Hydrology, 233–56. Third Edition. | New York : Routledge, 2019. | Series: Routledge Fundamentals of Physical Geography series | Previous edition: 2008.: Routledge, 2019. http://dx.doi.org/10.4324/9780203798942-11.

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Engman, E. T., und R. J. Gurney. „Water resources management and monitoring“. In Remote Sensing in Hydrology, 193–210. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-009-0407-1_10.

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Konferenzberichte zum Thema "Hydrology/Water Resources"

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Syrrakou, Christina, Jennifer Fitch, Thomas Elliasen, William Ahearn und George Pinder. „Porous Pavement Hydrology“. In World Environmental and Water Resources Congress 2010. Reston, VA: American Society of Civil Engineers, 2010. http://dx.doi.org/10.1061/41114(371)109.

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MacBroom, James G., und Elsa Loehmann. „Stream Restoration Design Hydrology“. In World Environmental and Water Resources Congress 2008. Reston, VA: American Society of Civil Engineers, 2008. http://dx.doi.org/10.1061/40976(316)340.

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Demissie, Misganaw, und H. Vernon Knapp. „Hydrology and Hydraulics of the Illinois River“. In Joint Conference on Water Resource Engineering and Water Resources Planning and Management 2000. Reston, VA: American Society of Civil Engineers, 2000. http://dx.doi.org/10.1061/40517(2000)102.

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Rogers, Jerry R., und Melinda Luna. „Utilizing Websites for Hydrology Assignments“. In World Environmental and Water Resources Congress 2013. Reston, VA: American Society of Civil Engineers, 2013. http://dx.doi.org/10.1061/9780784412947.131.

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Singh, Vijay P. „Kinematic Wave Modeling in Hydrology“. In World Water and Environmental Resources Congress 2003. Reston, VA: American Society of Civil Engineers, 2003. http://dx.doi.org/10.1061/40685(2003)165.

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Croley, II, Thomas E. „Weighted Parametric Operational Hydrology Forecasting“. In World Water and Environmental Resources Congress 2003. Reston, VA: American Society of Civil Engineers, 2003. http://dx.doi.org/10.1061/40685(2003)380.

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Barber, Michael E., Richelle M. Allen-King und C. Kent Keller. „Discovering Hydrology: Developing Interdisciplinary Labs at All Levels“. In Joint Conference on Water Resource Engineering and Water Resources Planning and Management 2000. Reston, VA: American Society of Civil Engineers, 2000. http://dx.doi.org/10.1061/40517(2000)110.

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Parrett, Charles, und Robert D. Jarrett. „Flood Hydrology for Dry Creek, Lake County, Northwestern Montana“. In Joint Conference on Water Resource Engineering and Water Resources Planning and Management 2000. Reston, VA: American Society of Civil Engineers, 2000. http://dx.doi.org/10.1061/40517(2000)52.

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Delleur, Jacques W. „Ven Te Chow and Deterministic Hydrology“. In World Environmental and Water Resources Congress 2014. Reston, VA: American Society of Civil Engineers, 2014. http://dx.doi.org/10.1061/9780784413548.076.

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Abtew, Wossenu, R. Scott Huebner und Chandra Pathak. „Hydrology and Hydraulics of South Florida“. In World Environmental and Water Resources Congress 2007. Reston, VA: American Society of Civil Engineers, 2007. http://dx.doi.org/10.1061/40927(243)598.

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Berichte der Organisationen zum Thema "Hydrology/Water Resources"

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Vano, Julie, Tanya Petach, Jeffrey Deems, Mark S. Raleigh, James Arnott, Elise Osenga und Joseph Hamman. A Collaborative, In Situ Mountain Hydrology NASA Test Bed. Aspen Global Change Institute, 2024. http://dx.doi.org/10.69925/vcbq9771.

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Beginning primarily as snowmelt from the Rocky Mountains, the Colorado River supplies water to over 40 million people in seven U.S. states and Mexico. As demand for water grows and climate-driven drought threatens supply, there is an urgent need to advance decision-relevant hydrologic research in this region, which serves as an example for similarly positioned mountain headwaters around the world. Within this report we share the design for a collaborative process for testing innovative approaches to doing research—a test bed for short—that leverages existing research efforts and articulates strategies for accelerating the science resource managers are seeking to address this need. We designed this test bed by 1) engaging researchers and those who forecast, operate, and manage resources and 2) by employing collaborative science expertise and network analysis. Our activities involved investigations into areas of untapped potential (including 15 events on a listening tour), the research landscape, and the user needs landscape, which we drew upon to design our proposed test bed. This test bed is built from a suite of recommendations (listed below) based on those explorations. The proposed test bed supports an approach to conducting mountain hydrology research that complements NASA science goals and that is centered on collaborations and strategic monitoring, modeling, and data science enhanced by local partners to:  Accelerate understanding of mountain water cycles and improve forecasts in a rapidly changing world;  Use long-term monitoring to calibrate, validate, complement, and enhance satellite data and land surface models; and  Cultivate learning and community building among scientists, within and across institutions, and in collaboration with research users. In general, we focus on systematic ways to build on what already exists (vs. creating something entirely new). Through our work in designing the test bed, we utilize network analysis, user needs synthesis, and collaboration management (bringing people together in ways that support collaborative science)—tools that will also help to further refine and sustain the effort. This report develops a suite of broadly applicable recommendations for future work (summarized below), as well as action items more specific to the NASA Terrestrial Hydrology program.
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Sparrow, Kent, Joseph Gutenson, Mark Wahl und Kayla Cotterman. Evaluation of climatic and hydroclimatic resources to support the US Army Corps of Engineers Regulatory Program. Engineer Research and Development Center (U.S.), September 2022. http://dx.doi.org/10.21079/11681/45484.

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Short-term climatic and hydrologic interactions, or hydroclimatology, are an important consideration when delineating the geographic extent of aquatic resources and assessing whether an aquatic resource is a jurisdictional water of the United States (WOTUS) and is therefore subject to the Clean Water Act (CWA). The now vacated 2020 Navigable Waters Protection Rule (NWPR) required the evaluation of precipitation and other hydroclimatic conditions to assess the jurisdictional status of an aquatic resource based on normal hydroclimatic conditions. Short-term hydroclimatic conditions, such as antecedent precipitation, evapotranspiration, wetland delineation, and streamflow duration assessments, provide information on an aquatic resource’s geo-graphic extent, hydrologic characteristics, and hydrologic connectivity with other aquatic resources. Here, researchers from the US Army Corps of Engineers, Engineer Research and Development Center (ERDC) evaluate tools and data available to practitioners for assessing short-term hydroclimatic conditions. The work highlights specific meteorological phenomena that are important to consider when assessing short-term hydroclimatic conditions that affect the geographic extent and hydrologic characteristics of an aquatic resource. The findings suggest that practitioners need access to data and tools that more holistically consider the impact of short-term antecedent hydroclimatology on the entire hydrologic cycle, rather than tools based solely on precipitation.
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Raymond, Kara, Laura Palacios, Cheryl McIntyre und Evan Gwilliam. Status of climate and water resources at Saguaro National Park: Water year 2019. Herausgegeben von Alice Wondrak Biel. National Park Service, Dezember 2021. http://dx.doi.org/10.36967/nrr-2288717.

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Climate and hydrology are major drivers of ecosystems. They dramatically shape ecosystem structure and function, particularly in arid and semi-arid ecosystems. Understanding changes in climate, groundwater, and water quality and quantity is central to assessing the condition of park biota and key cultural resources. The Sonoran Desert Network collects data on climate, groundwater, and surface water at 11 National Park Service units in south-ern Arizona and New Mexico. This report provides an integrated look at climate, groundwater, and springs conditions at Saguaro National Park (NP) during water year 2019 (October 2018–September 2019). Annual rainfall in the Rincon Mountain District was 27.36" (69.49 cm) at the Mica Mountain RAWS station and 12.89" (32.74 cm) at the Desert Research Learning Center Davis station. February was the wettest month, accounting for nearly one-quarter of the annual rainfall at both stations. Each station recorded extreme precipitation events (>1") on three days. Mean monthly maximum and minimum air temperatures were 25.6°F (-3.6°C) and 78.1°F (25.6°C), respectively, at the Mica Mountain station, and 37.7°F (3.2°C) and 102.3°F (39.1°C), respectively, at the Desert Research Learning Center station. Overall temperatures in WY2019 were cooler than the mean for the entire record. The reconnaissance drought index for the Mica Mountain station indicated wetter conditions than average in WY2019. Both of the park’s NOAA COOP stations (one in each district) had large data gaps, partially due to the 35-day federal government shutdown in December and January. For this reason, climate conditions for the Tucson Mountain District are not reported. The mean groundwater level at well WSW-1 in WY2019 was higher than the mean for WY2018. The water level has generally been increasing since 2005, reflecting the continued aquifer recovery since the Central Avra Valley Storage and Recovery Project came online, recharging Central Arizona Project water. Water levels at the Red Hills well generally de-clined starting in fall WY2019, continuing through spring. Monsoon storms led to rapid water level increases. Peak water level occurred on September 18. The Madrona Pack Base well water level in WY2019 remained above 10 feet (3.05 m) below measuring point (bmp) in the fall and winter, followed by a steep decline starting in May and continuing until the end of September, when the water level rebounded following a three-day rain event. The high-est water level was recorded on February 15. Median water levels in the wells in the middle reach of Rincon Creek in WY2019 were higher than the medians for WY2018 (+0.18–0.68 ft/0.05–0.21 m), but still generally lower than 6.6 feet (2 m) bgs, the mean depth-to-water required to sustain juvenile cottonwood and willow trees. RC-7 was dry in June–September, and RC-4 was dry in only September. RC-5, RC-6 and Well 633106 did not go dry, and varied approximately 3–4 feet (1 m). Eleven springs were monitored in the Rincon Mountain District in WY2019. Most springs had relatively few indications of anthropogenic or natural disturbance. Anthropogenic disturbance included spring boxes or other modifications to flow. Examples of natural disturbance included game trails and scat. In addition, several sites exhibited slight disturbance from fires (e.g., burned woody debris and adjacent fire-scarred trees) and evidence of high-flow events. Crews observed 1–7 taxa of facultative/obligate wetland plants and 0–3 invasive non-native species at each spring. Across the springs, crews observed four non-native plant species: rose natal grass (Melinis repens), Kentucky bluegrass (Poa pratensis), crimson fountaingrass (Cenchrus setaceus), and red brome (Bromus rubens). Baseline data on water quality and chemistry were collected at all springs. It is likely that that all springs had surface water for at least some part of WY2019. However, temperature sensors to estimate surface water persistence failed...
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Budzich, Jeffrey. PR-685-184506-R05 Fluvial Geomorphology Equations and Mechanics. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), April 2020. http://dx.doi.org/10.55274/r0011666.

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Channel hydrology, hydraulics, and sediment composition are key variables to calculating vertical and horizontal channel movement. A variety of methods are available for estimating channel bed scour, bank erosion, and channel migration with fewer available to predict avulsion potential. These methods vary in complexity from simplified empirical and theoretical equations to complex multi-dimensional models that may be used to understand potential hydrotechnical threats to pipelines and other structures. Furthermore, there are a variety of publicly available resources of relevant information to enhance pipeline operators' development and implementation of an effective water crossing program. The public resources include the United States Geological Survey, the National Weather Service within the National Oceanic and Atmospheric Administration, Federal Emergency Management Administration, United States Department of Agriculture, Natural Resource Conservation Service, and the Government of Canada.
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Raymond, Kara, Laura Palacios und Evan Gwilliam. Status of climate and water resources at Big Bend National Park: Water year 2019. Herausgegeben von Tani Hubbard. National Park Service, September 2022. http://dx.doi.org/10.36967/2294267.

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Climate and hydrology are major drivers of ecosystem structure and function, particularly in arid and semi-arid ecosystems. Understanding changes in climate, groundwater, streamflow, and water quality is central to assessing the condition of park resources. This report combines data collected on climate, groundwater, and springs at Big Bend National Park (NP) to provide an integrated look at climate and water conditions during water year (WY) 2019 (October 2018–September 2019). However, this report does not address the Rio Grande or its tributaries. Annual precipitation was higher than normal (1981–2010) for Big Bend NP at four of the five National Oceanic and Atmospheric Administration Cooperative Observer Program weather stations: 111% of normal for Chisos Basin, 122% of normal for Panther Junction, 155% of normal for Persimmon Gap, and 124% of normal for Rio Grande Village. Castolon had 88% of normal annual precipitation. All five stations had higher than normal rainfall in October and December, while rainfall totals were substantially below normal at all stations in November, February, and March. Monthly precipitation totals for April through September were more variable from station to station. Mean monthly maximum air temperatures were below normal in the fall months, with Panther Junction as much as 7.5°F below normal in October. Monthly temperatures from January through July were more variable. Temperatures in August and September were warmer than normal at every station, up to +9.4°F at Rio Grande Village and +8.7°F at Chisos Basin in July. The reconnaissance drought index values indicate generally wetter conditions (based on precipitation and evaporative demand) at Chisos Basin since WY2016 and at Panther Junction and Persimmon Gap since WY2015, except for WY2017. This report presents the manual and automatic groundwater monitoring results at nine wells. Five wells had their highest water level in or just before WY2019: Panther Junction #10 peaked at 99.94 ft below ground surface (bgs) in September 2018, Contractor’s Well peaked at 31.43 ft bgs in November 2018, T-3 peaked at 65.39 ft bgs in December 2018, K-Bar #6 Observation Well peaked at 77.78 ft bgs in February 2019, and K-Bar #7 Observation Well peaked at 43.18 ft bgs in February 2019. This was likely in response to above normal rainfall in the later summer and fall 2018. The other monitoring wells did not directly track within-season precipitation. The last measurement at Gallery Well in WY2019 was 18.60 ft bgs. Gallery Well is located 120 feet from the river and closely tracked the Rio Grande stage, generally increasing in late summer or early fall following higher flow events. Water levels in Gambusia Well were consistently very shallow, though the manual well measurement collected in April was 4.25 ft bgs—relatively high for the monitoring record—and occurred outside the normal peak period of later summer and early fall. The last manual measurement taken at TH-10 in WY2019 was 34.80 ft bgs, only 0.45 ft higher than the earliest measurement in 1967, consistent with the lack of directional change in groundwater at this location, and apparently decoupled from within-season precipitation patterns. The last water level reading in WY2019 at Oak Springs #1 was 59.91 ft bgs, indicating an overall decrease of 26.08 ft since the well was dug in 1989. The Southwest Network Collaboration (SWNC) collects data on sentinel springs annually in the late winter and early spring following the network springs monitoring protocol. In WY2019, 18 sentinel site springs were visited at Big Bend NP (February 21, 2019–March 09, 2019). Most springs had relatively few indications of natural and anthropogenic disturbances. Natural disturbances included recent flooding, drying, and wildlife use. Anthropogenic disturbances included flow modifications (e.g., springboxes), hiking trails, and contemporary human use. Crews observed one to seven facultative/obligate wetland plant...
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Raymond, Kara, Laura Palacios, Cheryl McIntyre und Evan Gwilliam. Status of climate and water resources at Chiricahua National Monument, Coronado National Memorial, and Fort Bowie National Historic Site: Water year 2019. National Park Service, Mai 2022. http://dx.doi.org/10.36967/nrr-2293370.

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Climate and hydrology are major drivers of ecosystems. They dramatically shape ecosystem structure and function, particularly in arid and semi-arid ecosystems. Understanding changes in climate, groundwater, and water quality and quantity is central to assessing the condition of park biota and key cultural resources. The Sonoran Desert Network collects data on climate, groundwater, and surface water at 11 National Park Service units in southern Arizona and New Mexico. This report provides an integrated look at climate, groundwater, and springs conditions at Chiricahua National Monument (NM), Coronado National Memorial (NMem), and Fort Bowie National Historic Site (NHS) during water year (WY) 2019 (October 2018–September 2019). Overall annual precipitation at Chiricahua NM and Coronado NMem in WY2019 was approximately the same as the normals for 1981–2010. (The weather station at Fort Bowie NHS had missing values on 275 days, so data were not presented for that park.) Fall and winter rains were greater than normal. The monsoon season was generally weaker than normal, but storm events related to Hurricane Lorena led to increased late-season rain in September. Mean monthly maximum temperatures were generally cooler than normal at Chiricahua, whereas mean monthly minimum temperatures were warmer than normal. Temperatures at Coronado were more variable relative to normal. The reconnaissance drought index (RDI) indicated that Chiricahua NM was slightly wetter than normal. (The WY2019 RDI could not be calculated for Coronado NMem due to missing data.) The five-year moving mean of annual precipitation showed both park units were experiencing a minor multi-year precipitation deficit relative to the 39-year average. Mean groundwater levels in WY2019 increased at Fort Bowie NHS, and at two of three wells monitored at Chiricahua NM, compared to WY2018. Levels in the third well at Chiricahua slightly decreased. By contrast, water levels declined in five of six wells at Coronado NMem over the same period, with the sixth well showing a slight increase over WY2018. Over the monitoring record (2007–present), groundwater levels at Chiricahua have been fairly stable, with seasonal variability likely caused by transpiration losses and recharge from runoff events in Bonita Creek. At Fort Bowie’s WSW-2, mean groundwater level was also relatively stable from 2004 to 2019, excluding temporary drops due to routine pumping. At Coronado, four of the six wells demonstrated increases (+0.30 to 11.65 ft) in water level compared to the earliest available measurements. Only WSW-2 and Baumkirchner #3 have shown net declines (-17.31 and -3.80 feet, respectively) at that park. Springs were monitored at nine sites in WY2019 (four sites at Chiricahua NM; three at Coronado NMem, and two at Fort Bowie NHS). Most springs had relatively few indications of anthropogenic or natural disturbance. Anthropogenic disturbance included modifications to flow, such as dams, berms, or spring boxes. Examples of natural disturbance included game trails, scat, or evidence of flooding. Crews observed 0–6 facultative/obligate wetland plant taxa and 0–3 invasive non-native species at each spring. Across the springs, crews observed six non-native plant species: common mullein (Verbascum thapsus), spiny sowthistle (Sonchus asper), common sowthistle (Sonchus oleraceus), Lehmann lovegrass (Eragrostis lehmanniana), rabbitsfoot grass (Polypogon monspeliensis), and red brome (Bromus rubens). Baseline data on water quality and water chemistry were collected at all nine sites. It is likely that that all nine springs had surface water for at least some part of WY2019, though temperature sensors failed at two sites. The seven sites with continuous sensor data had water present for most of the year. Discharge was measured at eight sites and ranged from < 1 L/minute to 16.5 L/minute.
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Neipert, Elizabeth, Todd Steissberg und Charles Theiling. Spatial screening for environmental pool management opportunities. Engineer Research and Development Center (U.S.), Oktober 2023. http://dx.doi.org/10.21079/11681/47719.

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US Army Corps of Engineers (USACE) reservoir projects significantly alter river ecosystem structure and function. Each project adheres to a defined set of operating rules to achieve primary objectives, which typically include flood risk management, hydropower, or navigation along with ancillary objectives for drinking water/irrigation, recreation, and natural resources management. Environmental flows (E-Flows) planning under the Sustainable Rivers Program has demonstrated new opportunities for environmental pool management (EPM; Theiling et al. 2021a, 2021b) that have no negative impact on other reservoir functions. In some locations, water level drivers can be managed to improve ecological outcomes, like wetlands, waterbirds, reptiles, and water quality, by altering the magnitude, timing, frequency, and duration of pool level changes that affect riparian and shoreline plant communities. Reservoirs with large delta areas may provide particularly important wetland or riparian habitat management along avian migratory pathways or in wildlife conservation regions (Johnson 2002). These large deltas can be identified and characterized using available satellite imagery, which along with water level habitat drivers available in hydrology databases, can be used to identify USACE reservoirs with good potential for EPM. A spatial analysis of USACE reservoirs capable to support EPM can be developed utilizing estimates of water occurrence, transition, and seasonality as well as surface elevation data derived from satellite imagery to assess geomorphology drivers. USACE water management records can be used to assess wetland drivers. Nationwide screening will be broken down into ecoregions to establish the anticipated geographic range of variation for wetland and riparian habitat drivers. Southwestern US reservoirs, for example, will have much different hydrology and fauna than Midwest and Eastern US reservoirs.
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Mayfield, Colin. Higher Education in the Water Sector: A Global Overview. United Nations University Institute for Water, Environment and Health, Mai 2019. http://dx.doi.org/10.53328/guxy9244.

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Higher education related to water is a critical component of capacity development necessary to support countries’ progress towards Sustainable Development Goals (SDGs) overall, and towards the SDG6 water and sanitation goal in particular. Although the precise number is unknown, there are at least 28,000 higher education institutions in the world. The actual number is likely higher and constantly changing. Water education programmes are very diverse and complex and can include components of engineering, biology, chemistry, physics, hydrology, hydrogeology, ecology, geography, earth sciences, public health, sociology, law, and political sciences, to mention a few areas. In addition, various levels of qualifications are offered, ranging from certificate, diploma, baccalaureate, to the master’s and doctorate (or equivalent) levels. The percentage of universities offering programmes in ‘water’ ranges from 40% in the USA and Europe to 1% in subSaharan Africa. There are no specific data sets available for the extent or quality of teaching ‘water’ in universities. Consequently, insights on this have to be drawn or inferred from data sources on overall research and teaching excellence such as Scopus, the Shanghai Academic Ranking of World Universities, the Times Higher Education, the Ranking Web of Universities, the Our World in Data website and the UN Statistics Division data. Using a combination of measures of research excellence in water resources and related topics, and overall rankings of university teaching excellence, universities with representation in both categories were identified. Very few universities are represented in both categories. Countries that have at least three universities in the list of the top 50 include USA, Australia, China, UK, Netherlands and Canada. There are universities that have excellent reputations for both teaching excellence and for excellent and diverse research activities in water-related topics. They are mainly in the USA, Europe, Australia and China. Other universities scored well on research in water resources but did not in teaching excellence. The approach proposed in this report has potential to guide the development of comprehensive programmes in water. No specific comparative data on the quality of teaching in water-related topics has been identified. This report further shows the variety of pathways which most water education programmes are associated with or built in – through science, technology and engineering post-secondary and professional education systems. The multitude of possible institutions and pathways to acquire a qualification in water means that a better ‘roadmap’ is needed to chart the programmes. A global database with details on programme curricula, qualifications offered, duration, prerequisites, cost, transfer opportunities and other programme parameters would be ideal for this purpose, showing country-level, regional and global search capabilities. Cooperation between institutions in preparing or presenting water programmes is currently rather limited. Regional consortia of institutions may facilitate cooperation. A similar process could be used for technical and vocational education and training, although a more local approach would be better since conditions, regulations and technologies vary between relatively small areas. Finally, this report examines various factors affecting the future availability of water professionals. This includes the availability of suitable education and training programmes, choices that students make to pursue different areas of study, employment prospects, increasing gender equity, costs of education, and students’ and graduates’ mobility, especially between developing and developed countries. This report aims to inform and open a conversation with educators and administrators in higher education especially those engaged in water education or preparing to enter that field. It will also benefit students intending to enter the water resources field, professionals seeking an overview of educational activities for continuing education on water and government officials and politicians responsible for educational activities
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Moreda, Fekadu, Benjamin Lord, Mauro Nalesso, Pedro Coli Valdes Daussa und Juliana Corrales. Hydro-BID: New Functionalities (Reservoir, Sediment and Groundwater Simulation Modules). Inter-American Development Bank, November 2016. http://dx.doi.org/10.18235/0009312.

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The Inter-American Development Bank (IDB) provides financial and technicalsupport for infrastructure projects in water and sanitation, irrigation, flood control, transport, and energy, and for development projects in agriculture, urban systems, and natural resources. Many of these projects depend upon water resources and may be affected negatively by climate change and other developments that alter water availability, such as population growth and shifts in land use associated with urbanization, industrial growth, and agricultural practices. Assessing the potential for future changes in water availability is an important step toward ensuring that infrastructure and other development projects meet their operational, financial, and economic goals. It is also important to examine the implications of such projects for the future allocation of available water among competing users and uses to mitigate potential conflict and to ensure such projects are consistent with long-term regional development plans and preservation of essential ecosystem services. As part of its commitment to help member countries adapt to climate change, the IDB is sponsoring work to develop and apply the Regional Water Resources Simulation Model for Latin America and the Caribbean, an integrated suite of watershed modeling tools known as Hydro-BID. Hydro-BID is a highly scalable modeling system that includes hydrology and climate analysis modules to estimate the availability of surface water (stream flows) at the regional, basin, and sub-basin scales. The system includes modules for incorporating the effects of groundwater and reservoirs on surface water flows and for estimating sediment loading. Data produced by Hydro-BID are useful for water balance analysis, water allocation decisions, and economic analysis and decision support tools to help decision-makers make informed choices among alternative designs for infrastructure projects and alternative policies for water resources management. IDB sponsored the development of Hydro-BID and provides the software and basic training free of charge to authorized users; see hydrobidlac.org. The system was developed by RTI International as an adaptation of RTI's proprietary WaterFALL® modeling software, based on over 30 years of experience developing and using the U.S. National Hydrography Dataset (NHDPlus) in support to the U.S. Geological Survey and the U.S. Environmental Protection Agency. In Phase I of this effort, RTI prepared a working version of Hydro-BID that includes: (1) the Analytical Hydrography Dataset for Latin America and the Caribbean (LAC AHD), a digital representation of 229,300 catchments in Central America, South America, and the Caribbean with their corresponding topography, river, and stream segments; (2) a geographic information system (GIS)-based navigation tool to browse AHD catchments and streams with the capability of navigating upstream and downstream; (3) a user interface for specifying the area and period to be modeled and the period and location for which water availability will be simulated; (4) a climate data interface to obtain rainfall and temperature inputs for the area and period of interest; (5) a rainfall-runoff model based on the Generalized Watershed Loading Factor (GWLF) formulation; and (6) a routing scheme for quantifying time of travel and cumulative flow estimates across downstream catchments. Hydro-BID generates output in the form of daily time series of flow estimates for the selected location and period. The output can be summarized as a monthly time series at the user's discretion. In Phase II of this effort, RTI has prepared an updated version of Hydro-BID that includes (1) improvements to the user interface; (2) a module to simulate the effect of reservoirs on downstream flows; (3) a module to link Hydro-BID and groundwater models developed with MODFLOW and incorporate water exchanges between groundwater and surface water compartments into the simulation of sur
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Baker, Justin S., George Van Houtven, Yongxia Cai, Fekadu Moreda, Chris Wade, Candise Henry, Jennifer Hoponick Redmon und A. J. Kondash. A Hydro-Economic Methodology for the Food-Energy-Water Nexus: Valuation and Optimization of Water Resources. RTI Press, Mai 2021. http://dx.doi.org/10.3768/rtipress.2021.mr.0044.2105.

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Growing global water stress caused by the combined effects of growing populations, increasing economic development, and climate change elevates the importance of managing and allocating water resources in ways that are economically efficient and that account for interdependencies between food production, energy generation, and water networks—often referred to as the “food-energy-water (FEW) nexus.” To support these objectives, this report outlines a replicable hydro-economic methodology for assessing the value of water resources in alternative uses across the FEW nexus–including for agriculture, energy production, and human consumption—and maximizing the benefits of these resources through optimization analysis. The report’s goal is to define the core elements of an integrated systems-based modeling approach that is generalizable, flexible, and geographically portable for a range of FEW nexus applications. The report includes a detailed conceptual framework for assessing the economic value of water across the FEW nexus and a modeling framework that explicitly represents the connections and feedbacks between hydrologic systems (e.g., river and stream networks) and economic systems (e.g., food and energy production). The modeling components are described with examples from existing studies and applications. The report concludes with a discussion of current limitations and potential extensions of the hydro-economic methodology.
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