Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 43 for “"Underground Water"”.
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ΣΥΜΒΟΛΗ ΣΤΗΝ ΥΔΡΟΓΕΩΛΟΓΙΚΗ ΔΙΕΡΕΥΝΗΣΗ ΤΟΥ ΑΣΒΕΣΤΟΛΙΘΙΚΟΥ ΥΔΡΟΦΟΡΟΥ ΣΥΣΤΗΜΑΤΟΣ ΤΩΝ ΠΗΓΩΝ ΑΓΥΙΑΣ ΔΥΤ. ΚΡΗΤΗΣ
… AQUIFER IS ONLY ABOUT 4 METRES. THE MOVEMENT OF UNDERGROUND WATER TOWARDS THE AYIA SOURCES IS VERY SIMILAR TO THAT OF THE WATER TOWARDS A PUMPED WELL IN A POROUS MEDIUM, ACCORDING TOTHE JACOB MODEL. IT WAS FOUND THAT THIS MODEL ALSO DESCRIBED THE MOVEMENT OF WATER TO THE PUMPED BORES UPSTREAM OF …
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ΤΕΧΝΙΚΟΓΕΩΛΟΓΙΚΗ ΕΡΕΥΝΑ ΕΥΡΥΤΕΡΗΣ ΠΕΡΙΟΧΗΣ ΑΤΑΛΑΝΤΗΣ
… ENVIRONMENT (PARTICULARLY ON THE POLLUTION OF UNDERGROUND WATER) AND THE GEOTECHNICAL CONDITIONS, NECESSARY FOR THE CONSTRUCTION (COMPILATION) OF THE GEOTECHNICAL MAP, OF THE WIDER AREA OF ATALANTI (CENTRAL GREECE). THIS MAP IS COMPILED ON THE NEW CONCEPT OF INTERDEPENDENCE AND COMPLETION OF …
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The geology of China
… Coal fields. B. Oil fields. C. Ore deposits. D. Underground water. E. Miscellaneous Economic products.
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Ceramic filter manufacturing in Northern Ghana : water storage and quality control
In 2009, Pure Home Water (PHW), a Ghana based non-profit organization working to provide affordable and safe drinking water to people in the Northern Region of Ghana, began the construction of a ceramic pot filter (CPF) factory near the city of Tamale. By 2011, the factory had the molds, supplies, …
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Farm-Scale Water Storage in Morocco: Low-Carbon Design with Parametric FEA Optimization
Morocco faces increasing water scarcity with an anticipated decline in rainfall. Rising temperatures have resulted in drier and denser soil, causing water to be trapped on the surface and evaporate. One solution is to shift water management from large-scale to farm-scale. Underground water …
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Mapeamento geoambiental do campo de dunas Pirangi-Potengi com ênfase a San Vale e Lagoinha Natal/RN: um instrumento de apoio ao planejamento ambiental
… susceptibility, a map of vulnerability to the underground water contamination and a map of use and occupation of the ground. Of the carried through analysis, the area in study reveals sufficiently degraded, remaining only few green areas and dunares, as well as, the vulnerable presence of areas …
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Acoustic data communication system for in-pipe wireless sensor networks
… and power units of a WSN for monitoring underground water pipelines. Regarding the communication unit, it is proposed to use the pipeline as an acoustic waveguide for the transmission of appropriately modulated acoustic waves that encapsulate the digital data, since radio frequency …
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Electrochemical techniques for detection of Tnt and other explosives using disposable screen-printed carbon electrodes
… explosives have been found in the soil and water from many government military bases due to improper storage, weapons testing and production. Run-off from contaminated soil and water can enter underground water and potentially contaminate drinking water for near-by communities. With the …
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Hidrogeología del sistema kárstico de La Fuentona de Muriel (Soria)
… it presents a hydraulic connection only in high waters with several aquifers of minor entity. The circulation is headed by the synclinal axis, from East to West, up to La Fuentona. The speed of the underground water, obtained by means of tests with tracers, changes between 500 m/day and 3.000 …
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Investigating strategies to improve superior sustainable performance in the Namibian mining industry
… in commodity prices, mine flooding due to underground water, geotechnical risks, depleted ore reserves, declined ore grade, and mineralogical changes. The strategies to improve superior sustainable performance were established by applying a SWOT/TOWS analysis model and by creating an …
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The Impacts of Climate Change on Food Security and Community Base Adaptation options: The Case of Magu District in Mwanza, Tanzania
… development. Further research should focus on water harvesting technologies, regulation of rivers flows and use of the underground water for irrigation works so as to achieve sustainable food production and livelihood security.
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Rooftop Rainwater Harvesting: A Sustainable Solution to Water Shortage Problem in Makabe, Dar Es Salaam, Tanzania
… for greater and more efficient access to clean water. Also the findings show that there was no any DAWASCO service in the area and the cost for adding new infrastructure is very high. Not only that the available water sources are insufficient but also the underground water exploration and …
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Tree-Inspired Water Harvesting
… we were motivated to develop novel devices for water harvesting inspired by natural trees, and to understand their collection efficiency and working principles. We accomplished that with scale-model and large-scale fog harps, floating leaves, and synthetic trees. Fluids mechanics, physics, and …
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Hydrological aspects of brown trout management in the Selwyn River system, Canterbury, New Zealand
… to man's impact through land use change and water use. Results show that the four attributes of brown trout streamflow requirements; cover, food-producing zones, spawning-incubation areas, and temperature and oxygen needs, are all closely related to the hydrology and geomorphology of rivers. …
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Ecology and biogeochemistry of fluvial microphytobenthic communities on soft sediments
Freshwater ecosystems are the link between the terrestrial and the marine biomes. Terrestrially-derived nutrients travel through, and are transformed within these ecosystems, outflowing eventually to the sea. A major player in small rivers are microphytobenthic (MPB) communities - groups of algae, …
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A support vector machine embedded weed identification system
… problems such as pollution in the soil and underground water, and the emergence of the herbicide-resistant weed species. A potential solution to reduce the use of herbicides while maintaining adequate weed control lies in the combined use of chemical and mechanical weeding, in which weeds …
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Investigation of municipal solid waste management: a case study of Vhembe District Municipality, South Africa
… was not lined and it has led to contamination of underground water by leachate, whereas Thulamela, Collins Chabane and Makhado Local Municipalities are using lined landfill sites to avoid contamination of underground water. The available vehicles within the municipalities are not enough to meet …
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Η ΑΡΧΙΤΕΚΤΟΝΙΚΗ ΤΗΣ ΕΡΗΜΟΥ ΤΟΥ ΙΡΑΝ
… THE MAIN METHODS ARE: ABYARI-YE KOYZE-YI (WATERRING BY BARRIED PITCHER),AB-BAND (TRANSITIONAL DOMS), CHAH (WELLS), AND THE KARIZ (QANAT GHANAT) SYSTEMWHICH HAS A HISTORY OF MORE THAN 25OO YEARS AND IT'S THE MOST IMPORTANT METHODFOR IRRIGATION OF THE AGRICULTURAL AND URBAN REGIONS OF THE …
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Determining the water footprint of tomato and butternut production towards enhanced water security at Nwanedi irrigation scheme
Declining underground water, unpredictable rainfall patterns and high temperatures pose a threat to future food and water security. Water security is also threatened by the growing demand for water in the agriculture sector to meet food needs. Knowing the water footprint and total water consumed by …
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