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Journal articles on the topic 'Accumulator recharge'

Author: Grafiati
Published: 4 May 2024

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1

Grigoryev, A. V., A. Yu Vasil’Yev, and S. M. Malyshev. "CALCULATION OF SHORT-CIRCUIT CURRENTS IN MARINE ELECTRIC POWER SYSTEMS WITH DIRECT CURRENT POWER DISTRIBUTION." Vestnik Gosudarstvennogo universiteta morskogo i rechnogo flota imeni admirala S. O. Makarova 14, no. 2 (2022): 296–305. http://dx.doi.org/10.21821/2309-5180-2022-14-2-296-305.

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A method for calculating shock short-circuit currents in marine electric power systems with direct current distribution of electricity is presented in the paper. These systems are widely used in shipbuilding. The calculation of short-circuit currents in such systems has a number of features related to the operating modes of these networks. In the systems with direct current electricity distribution, the generation and consumption of electricity is carried out on alternating current, while the distribution is carried out on direct current. The current standards for calculating short-circuit cur
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2

Zamora, Hector A., Christopher J. Eastoe, Jennifer C. McIntosh, and Karl W. Flessa. "Groundwater Origin and Dynamics on the Eastern Flank of the Colorado River Delta, Mexico." Hydrology 8, no. 2 (2021): 80. http://dx.doi.org/10.3390/hydrology8020080.

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Isotope data and major ion chemistry were used to identify aquifer recharge mechanisms and geochemical evolution of groundwaters along the US–Mexico border. Local recharge originates as precipitation and occurs during winter through preferential infiltration pathways along the base of the Gila Range. This groundwater is dominated by Na–Cl of meteoric origin and is highly concentrated due to the dissolution of soluble salts accumulated in the near-surface. The hydrochemical evolution of waters in the irrigated floodplain is controlled by Ca–Mg–Cl/Na–Cl-type Colorado River water. However, salini
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Kuncoro, C. Bambang Dwi, Min-Feng Sung, Cornelia Adristi, Arvanida Feizal Permana, and Yean-Der Kuan. "Prospective Powering Strategy Development for Intelligent-Tire Sensor Power Charger Application." Electronics 10, no. 12 (2021): 1424. http://dx.doi.org/10.3390/electronics10121424.

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Tire sensors embedded in a vehicle tire are stand-alone autonomous devices. A tire sensor reserve power strategy is crucial due to sensor energy sources limitations for long operational periods. This paper presents an innovative tire sensor powering strategy for the intelligent-tire system. The powering strategy offers a green concept, maintenance-free, and low-cost method in order to extend the tire sensor lifetime for long operating periods. The proposed strategy adopts wireless power transfer (WPT) technology to transfer power to an electrical load mounted on the rotational system without a
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4

Karlović, Igor, Tamara Marković, and Tatjana Vujnović. "Groundwater Recharge Assessment Using Multi Component Analysis: Case Study at the NW Edge of the Varaždin Alluvial Aquifer, Croatia." Water 14, no. 1 (2021): 42. http://dx.doi.org/10.3390/w14010042.

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Exploring the interaction between precipitation, surface water, and groundwater has been a key subject of many studies dealing with water quality management. The Varaždin aquifer is an example of an area where high nitrate content in groundwater raised public concern, so it is important to understand the aquifer recharge for proper management and preservation of groundwater quality. The NW part of the Varaždin aquifer has been selected for study area, as precipitation, Drava River, accumulation lake, and groundwater interact in this area. In this study, groundwater and surface water levels, wa
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5

Holland, K. L., S. D. Tyerman, L. J. Mensforth, and G. R. Walker. "Tree water sources over shallow, saline groundwater in the lower River Murray, south-eastern Australia: implications for groundwater recharge mechanisms." Australian Journal of Botany 54, no. 2 (2006): 193. http://dx.doi.org/10.1071/bt05019.

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The decline of riparian vegetation in the lower River Murray, south-eastern Australia, is associated with a reduction in flooding frequency, extent and duration, and increased salt accumulation. The plant water sources of healthy Eucalyptus largiflorens trees growing over highly saline (>40 dS m–1) groundwater were investigated during summer when water deficit is greatest. The study found low-salinity soil water overlying highly saline groundwater at most sites. This deep soil water, rather than the saline groundwater, was identified as the plant water source at most sites. Stable isotopes
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6

Vanderzalm, J. L., P. J. Dillon, G. J. Hancock, et al. "Using elemental profiles in the sediment of a lake used to supply drinking water to understand the impacts of urban stormwater recharge." Marine and Freshwater Research 64, no. 6 (2013): 493. http://dx.doi.org/10.1071/mf12215.

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The regional city of Mount Gambier, South Australia, recharges stormwater directly into the underlying unconfined, karstic Gambier Limestone aquifer. This aquifer provides the majority of recharge to Blue Lake, a groundwater-fed volcanic crater lake, used for Mount Gambier’s drinking water supply. However, concern remains regarding the risk posed by contaminants within stormwater, in particular when stormwater recharge may ultimately contribute to a source of drinking-water supply. The present research examined the role of the annual calcite precipitation in the lake, in protecting the quality
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7

Zhang, Zichen, Lihua Wu, Jun Feng, et al. "Characteristics of Runoff Components in the Mingyong Glacier Basin, Meili Snow Mountains." Water 16, no. 7 (2024): 937. http://dx.doi.org/10.3390/w16070937.

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As an important hydrological ecosystem component, the glacier basin has great significance for climate and environment, and it is also linked to regional water sustainability. In this paper, the sampling and isotope analysis of glacial ice, ice-melt water, river water (river midstream and river downstream), groundwater (spring), and precipitation were carried out in a hydrological year of the Mingyong Glacier basin, which is located at the Meili Snow Mountains, Southeastern Tibetan Plateau. At the same time, the hydrograph separation of the recharge sources of the lower mountain pass is studie
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8

Zhang, Zhe, Yanping Li, Michael Barlage, et al. "Modeling groundwater responses to climate change in the Prairie Pothole Region." Hydrology and Earth System Sciences 24, no. 2 (2020): 655–72. http://dx.doi.org/10.5194/hess-24-655-2020.

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Abstract. Shallow groundwater in the Prairie Pothole Region (PPR) is predominantly recharged by snowmelt in the spring and supplies water for evapotranspiration through the summer and fall. This two-way exchange is underrepresented in current land surface models. Furthermore, the impacts of climate change on the groundwater recharge rates are uncertain. In this paper, we use a coupled land–groundwater model to investigate the hydrological cycle of shallow groundwater in the PPR and study its response to climate change at the end of the 21st century. The results show that the model does a reaso
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9

Legchenko, A., C. Vincent, J. M. Baltassat, et al. "Monitoring water accumulation in a glacier using magnetic resonance imaging." Cryosphere Discussions 7, no. 3 (2013): 2119–51. http://dx.doi.org/10.5194/tcd-7-2119-2013.

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Abstract. Tête Rousse is a small polythermal glacier located in the Mont Blanc area (French Alps) at an altitude of 3100 to 3300 m. Recent accumulation of melt water in the glacier was assumed to occur, but such accumulation had yet to be confirmed. Using Surface Nuclear Magnetic Resonance imaging (3-D-SNMR), we showed that the temperate part of the Tête Rousse glacier contains two separate water-filled caverns (central and upper caverns). In 2009, the central cavern contained about 55 000 m3 of water. Since 2010, the cavern is drained every year. Using 3-D-SNMR, we monitored the changes cause
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10

Lasisi, M. O., K. F. Omotayo, and Y. M. Adeosun. "APPLICATION OF GEOGRAPHIC INFORMATION SYSTEM AND REMOTE SENSING IN GROUNWATER RECHARGE POTENTIAL OF ADO-EKITI, NIGERIA." International Journal of Agriculture, Environment and Bioresearch 07, no. 03 (2022): 215–26. http://dx.doi.org/10.35410/ijaeb.2022.5737.

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The increasing demand for freshwater has been on the increase as a result of geometric population growth, erratic climate change and urbanization has necessitated more attention and reliance on groundwater resources most especially in Ado-Ekiti, Nigeria. This necessitates the urgent need for judicious management of available groundwater resources to meet the freshwater requirements in the studied area. Geographical Information System (GIS) and Remote Sensing (RS) techniques were used to map out the groundwater recharge potential of the studied area. Google Earth and Land Satellite (LANDSAT) 7
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11

Legchenko, A., C. Vincent, J. M. Baltassat, et al. "Monitoring water accumulation in a glacier using magnetic resonance imaging." Cryosphere 8, no. 1 (2014): 155–66. http://dx.doi.org/10.5194/tc-8-155-2014.

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Abstract. Tête Rousse is a small polythermal glacier located in the Mont Blanc area (French Alps) at an altitude of 3100 to 3300 m. In 1892, an outburst flood from this glacier released about 200 000 m3 of water mixed with ice, causing much damage. A new accumulation of melt water in the glacier was not excluded. The uncertainty related to such glacier conditions initiated an extensive geophysical study for evaluating the hazard. Using three-dimensional surface nuclear magnetic resonance imaging (3-D-SNMR), we showed that the temperate part of the Tête Rousse glacier contains two separate wate
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12

Buselli, G., and D. R. Williamson. "Modeling of broadband airborne electromagnetic responses from saline environments." GEOPHYSICS 61, no. 6 (1996): 1624–32. http://dx.doi.org/10.1190/1.1444081.

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The removal of vegetation for the development of nonirrigated agriculture and the associated increase in groundwater recharge and discharge has caused significant areas of salinization of surface soil and water resources in Australia. At least three types of salt profiles are known to indicate the relative magnitude of recharge. These profiles may be differentiated by their resistivity structure. Since a broadband airborne electromagnetic (AEM) method offers the possibility of readily obtaining resistivity soundings, modeling was carried out to investigate the ability of a broadband AEM system
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13

Meagher, RC, AJ Salvado, and DG Wright. "An analysis of the multilineage production of human hematopoietic progenitors in long-term bone marrow culture: evidence that reactive oxygen intermediates derived from mature phagocytic cells have a role in limiting progenitor cell self-renewal." Blood 72, no. 1 (1988): 273–81. http://dx.doi.org/10.1182/blood.v72.1.273.273.

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Abstract To better understand the limited hematopoietic life span of human marrow “Dexter” cultures, we developed a miniaturized, two-stage culture system with which in vitro production of hematopoietic progenitors could be reproducibly detected and quantified. Light- density, gradient-separated human marrow cells were inoculated into Leighton slide tubes, and adherent (“stromal”) cell layers were allowed to develop on the removable coverslips within these tubes during an initial 4 weeks of culture. Once stromal cell layers were established, cultures were irradiated (800 cGy) to eliminate all
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14

Meagher, RC, AJ Salvado, and DG Wright. "An analysis of the multilineage production of human hematopoietic progenitors in long-term bone marrow culture: evidence that reactive oxygen intermediates derived from mature phagocytic cells have a role in limiting progenitor cell self-renewal." Blood 72, no. 1 (1988): 273–81. http://dx.doi.org/10.1182/blood.v72.1.273.bloodjournal721273.

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To better understand the limited hematopoietic life span of human marrow “Dexter” cultures, we developed a miniaturized, two-stage culture system with which in vitro production of hematopoietic progenitors could be reproducibly detected and quantified. Light- density, gradient-separated human marrow cells were inoculated into Leighton slide tubes, and adherent (“stromal”) cell layers were allowed to develop on the removable coverslips within these tubes during an initial 4 weeks of culture. Once stromal cell layers were established, cultures were irradiated (800 cGy) to eliminate all residual
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15

Narantsogt, Nasanbayar, and Ulf Mohrlok. "Evaluation of MAR Methods for Semi-Arid, Cold Regions." Water 11, no. 12 (2019): 2548. http://dx.doi.org/10.3390/w11122548.

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Mongolia is a semi-arid, highly continental region with highly variable precipitation and river discharge. The groundwater aquifer located near Ulaanbaatar, the capital city of Mongolia, is the only one source for city water supply consumption, and it is important to ensure that groundwater is available now and in the future. The main watercourse near the capital city is the Tuul River, fed by precipitation in the Khentii Mountains. The semi-arid and cold environment shows high variability in precipitation and river discharge. However, due to absence of precipitation in winter and spring, the
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16

Puida, V. "DEVICE FOR CONTROLLING PARAMETERS OF ACCUMULATOR BATTERIES AND THE CORRESPONDING DIRECT CURRENT NETWORK." Computer systems and network 5, no. 1 (2023): 89–95. http://dx.doi.org/10.23939/csn2023.01.089.

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Mobile devices for information, control and telemetry systems are powered by mobile generators through AC to DC converters, by batteries or, if possible, directly by solar panels. Solar panels typically work in a system that involves the usage of batteries to keep the systems running when the solar panels are not working or not providing enough power. The batteries can be recharged from the panels themselves if the solar panels have sufficient power or from an external direct current source. Also, for some mobile devices, power systems are used only with batteries, which are recharged from gen
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17

Sherif, Mohsen, Ahmed Sefelnasr, Muhammad Al Rashed, et al. "A Review of Managed Aquifer Recharge Potential in the Middle East and North Africa Region with Examples from the Kingdom of Saudi Arabia and the United Arab Emirates." Water 15, no. 4 (2023): 742. http://dx.doi.org/10.3390/w15040742.

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Groundwater extraction in most Middle East and North Africa (MENA) countries far exceeds its renewability, which ranges from 6% to 100%. Freshwater resources to support food production are very limited in this region. Future climate predictions include more consistent and longer wet periods with increasing surplus rainfall, which will enhance flood and flash flood occurrences in the MENA. Demand management of groundwater resources and managed aquifer recharge (MAR, also called groundwater replenishment, water banking, and artificial recharge, is the purposeful recharge of water to aquifers for
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18

Ke, Tingting, Longcang Shu, and Xunhong Chen. "Modeling the groundwater recharge in karst aquifers by using a reservoir model." Water Science and Technology 68, no. 2 (2013): 406–12. http://dx.doi.org/10.2166/wst.2013.266.

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The estimation of the groundwater recharge in a karstic system becomes an important challenge due to the great hydrodynamic variability in both time and space. This paper proposes a two reservoir conceptual model to simulate inflow into both the conduit system and the fissure network system based on the analysis of the spring hydrograph. The structure of the model and the governing equations are proposed on the basis of the physical considerations, with the assumption that flow at the outlet of the reservoirs obeys a linear threshold function. The model is applied on the Houzhai karstic underg
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19

Sanford, P., X. Wang, K. D. Greathead, J. H. Gladman, and J. Speijers. "Impact of Tasmanian blue gum belts and kikuyu-based pasture on sheep production and groundwater recharge in south-western Western Australia." Australian Journal of Experimental Agriculture 43, no. 8 (2003): 755. http://dx.doi.org/10.1071/ea02226.

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The effect of Tasmanian blue gum (Eucalyptus globulus) belts and kikuyu (Pennisetum clandestinum) grass on livestock production and groundwater recharge was studied in the high rainfall zone (>600 mm/year) of south-western Western Australia from 1998 to 2001. The objective was to identify optimum combinations of tree belts and pasture for sustainable livestock production and the prevention of secondary salinisation. Treatments were annual pasture, in competition with trees at different orientations (east, west and south), kikuyu pasture in competition with trees at one orientation (west), c
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20

Ketchum, Neil J., Joseph J. Donovan, and William H. Avery. "Recharge characteristics of a phreatic aquifer as determined by storage accumulation." Hydrogeology Journal 8, no. 6 (2000): 579–93. http://dx.doi.org/10.1007/s100400000088.

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21

Nigate, Fenta, Marc Van Camp, Alemu Yenehun, Ashebir Sewale Belay, and Kristine Walraevens. "Recharge–Discharge Relations of Groundwater in Volcanic Terrain of Semi-Humid Tropical Highlands of Ethiopia: The Case of Infranz Springs, in the Upper Blue Nile." Water 12, no. 3 (2020): 853. http://dx.doi.org/10.3390/w12030853.

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The major springs in the Infranz catchment are a significant source of water for Bahir Dar City and nearby villages, while sustaining the Infranz River and the downstream wetlands. The aim of the research was to understand the hydrogeological conditions of these high-discharge springs and the recharge–discharge relations in the Infranz catchment. The Infranz catchment is covered by highly pervious and young quaternary volcanic rocks, consisting of blocky, fractured, and strongly vesicular scoriaceous basalt. At the surface, these rocks crop out as lineaments forming ridges, delimiting closed d
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22

Brkić, Željka, Mladen Kuhta, Tamara Hunjak, and Ozren Larva. "Regional Isotopic Signatures of Groundwater in Croatia." Water 12, no. 7 (2020): 1983. http://dx.doi.org/10.3390/w12071983.

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Tracer methods are useful for investigating groundwater travel times and recharge rates and analysing impacts on groundwater quality. The most frequently used tracers are stable isotopes and tritium. Stable isotopes of oxygen (δ18O) and hydrogen (δ2H) are mainly used as indicators of the recharge condition. Tritium (3H) is used to estimate an approximate mean groundwater age. This paper presents the results of an analysis of stable isotope data and tritium activity in Croatian groundwater samples that were collected between 1997 and 2014 at approximately 100 sites. The composition of the stabl
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23

Sefelnasr, Ahmed, Abdel Azim Ebraheem, Muhammad Abrar Faiz, et al. "Enhancement of Groundwater Recharge from Wadi Al Bih Dam, UAE." Water 14, no. 21 (2022): 3448. http://dx.doi.org/10.3390/w14213448.

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Groundwater and harvested rainwater represent the only conventional freshwater resources in the United Arab Emirates (UAE). Groundwater resources in Wadi Al Bih, UAE, are sustainable due to the low exploitation rate for domestic and agricultural purposes. Thus, the groundwater depletion in this area is far less than in other parts of the country. The Wadi Al Bih area is very important for achieving water security in UAE. Therefore, the possible measures of increasing groundwater recharge (e.g., managed aquifer recharge (MAR) methods) are investigated in this paper. The available water resource
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24

Putri, Tsamaroh Nidaa, and Priyo Sasmoko. "ALAT PEMANTAU PENGOSONGAN AKUMULATOR 12V/ 5Ah BERBASIS ARDUIONO UNO." Gema Teknologi 18, no. 4 (2016): 10. http://dx.doi.org/10.14710/gt.v18i4.21910.

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Tsamaroh Nidaa Putri, Priyo Sasmoko explains that accumulator is a combination of several pieces of cells used for altering the chemical energy into electricity energy used in motor vehicles. Accumulators are used continuously will shrink and drop so it needs to be recharged. To know the state of the battery voltage drop experienced the need for a measurement to determine the ability of the accumulator. Design manufacture accumulator discharge monitoring tool consists of a voltage divider circuit to know the big accumulator voltage in percentage form. Used also an ACS712 current sensor to dete
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25

Pavlovskii, Igor, Masaki Hayashi, and Daniel Itenfisu. "Midwinter melts in the Canadian prairies: energy balance and hydrological effects." Hydrology and Earth System Sciences 23, no. 4 (2019): 1867–83. http://dx.doi.org/10.5194/hess-23-1867-2019.

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Abstract. Snowpack accumulation and depletion are important elements of the hydrological cycle in the Canadian prairies. The surface runoff generated during snowmelt is transformed into streamflow or fills numerous depressions driving the focussed recharge of groundwater in this dry setting. The snowpack in the prairies can undergo several cycles of accumulation and depletion in a winter. The timing of the melt affects the mechanisms of snowpack depletion and their hydrological implications. The effects of midwinter melts were investigated at four instrumented sites in the Canadian prairies. U
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26

Dawes, W., R. Ali, S. Varma, I. Emelyanova, G. Hodgson, and D. McFarlane. "Modelling the effects of climate and land cover change on groundwater recharge in south-west Western Australia." Hydrology and Earth System Sciences Discussions 9, no. 5 (2012): 6063–99. http://dx.doi.org/10.5194/hessd-9-6063-2012.

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Abstract. The groundwater resource contained within the sandy aquifers of the Swan Coastal Plain, south west Western Australia, provides approximately 60% of the drinking water for the metropolitan population of Perth. Rainfall decline over the past three decades coupled with increasing water demand from a growing population has resulted in falling dam storage and groundwater levels. Projected future changes in climate across south-west Western Australia consistently show a decline in annual rainfall of between 5 and 15%. There is expected to be a continuing reduction of diffuse recharge acros
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27

Grinevskiy, Sergey O., Sergey P. Pozdniakov, and Ekaterina A. Dedulina. "Regional-Scale Model Analysis of Climate Changes Impact on the Water Budget of the Critical Zone and Groundwater Recharge in the European Part of Russia." Water 13, no. 4 (2021): 428. http://dx.doi.org/10.3390/w13040428.

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Groundwater recharge by precipitation is the main source of groundwater resources, which are widely used in the European part of Russia (ER). The main goal of the presented studies is to analyze the effect of observed climate changes on the processes of groundwater recharge. For this purpose analysis of long-term meteorological data as well as water budget and groundwater recharge simulation were used. First, meteorological data of 22 weather stations, located from south (Lat 46°) to north (Lat 66°) of ER for historical (1965–1988) and modern (1989–2018) periods were compared to investigate th
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28

Reinecke, Robert, Hannes Müller Schmied, Tim Trautmann, et al. "Uncertainty of simulated groundwater recharge at different global warming levels: a global-scale multi-model ensemble study." Hydrology and Earth System Sciences 25, no. 2 (2021): 787–810. http://dx.doi.org/10.5194/hess-25-787-2021.

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Abstract. Billions of people rely on groundwater as being an accessible source of drinking water and for irrigation, especially in times of drought. Its importance will likely increase with a changing climate. It is still unclear, however, how climate change will impact groundwater systems globally and, thus, the availability of this vital resource. Groundwater recharge is an important indicator for groundwater availability, but it is a water flux that is difficult to estimate as uncertainties in the water balance accumulate, leading to possibly large errors in particular in dry regions. This
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29

Karlović, Igor, Tamara Marković, Tatjana Vujnović, and Ozren Larva. "Development of a Hydrogeological Conceptual Model of the Varaždin Alluvial Aquifer." Hydrology 8, no. 1 (2021): 19. http://dx.doi.org/10.3390/hydrology8010019.

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The Varaždin aquifer represents the main source of water for public supply, agricultural, and industrial purposes in the Varaždin County in NW Croatia. In the last decades, this area has experienced contamination of groundwater with nitrates. This study describes the conceptualization of the Varaždin aquifer for the purpose of developing numerical model of groundwater flow and nitrate transport. Within the study, three important elements are defined: aquifer geometry, recharge from precipitation, and other boundary conditions. 3D aquifer model revealed that Varaždin aquifer consist of three la
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Maliva, Robert G. "Groundwater banking: opportunities and management challenges." Water Policy 16, no. 1 (2013): 144–56. http://dx.doi.org/10.2166/wp.2013.025.

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Groundwater banking is the use of aquifers to store water to balance seasonal or longer-term variations in supply and demand. The large storage capacity provided by aquifers can be a valuable tool for conjunctive use of surface water and groundwater as well as other elements of integrated water resources management. Successful groundwater banking requires favorable hydrogeological conditions to efficiently recharge, store, and abstract large volumes of water. Additionally, groundwater banking is also highly dependent upon water management and operational policies to ensure that stored water is
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31

Standing, J., R. Ghail, and D. Coyne. "Gas generation and accumulation by aquifer drawdown and recharge in the London Basin." Quarterly Journal of Engineering Geology and Hydrogeology 46, no. 3 (2013): 293–302. http://dx.doi.org/10.1144/qjegh2013-030.

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32

Bai, Tao, Wen-Ping Tsai, Yen-Ming Chiang, et al. "Modeling and Investigating the Mechanisms of Groundwater Level Variation in the Jhuoshui River Basin of Central Taiwan." Water 11, no. 8 (2019): 1554. http://dx.doi.org/10.3390/w11081554.

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Due to nonuniform rainfall distribution in Taiwan, groundwater is an important water source in certain areas that lack water storage facilities during periods of drought. Therefore, groundwater recharge is an important issue for sustainable water resources management. The mountainous areas and the alluvial fan areas of the Jhuoshui River basin in Central Taiwan are considered abundant groundwater recharge regions. This study aims to investigate the interactive mechanisms between surface water and groundwater through statistical techniques and estimate groundwater level variations by a combinat
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33

Rybnikova, L. S., N. L. Frolova, M. G. Morozov, A. V. Komin, and P. A. Rybnikov. "Assessment of the Republic of Kalmykia artificial groundwater resources recharge at the expense of the surface runoff accumulation." IOP Conference Series: Earth and Environmental Science 979, no. 1 (2022): 012177. http://dx.doi.org/10.1088/1755-1315/979/1/012177.

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Abstract Territory of the Republic of Kalmykia located in the northwestern part of Caspian Region relates to arid areas because of the very poorly developed hydrographic network. Annual amount of precipitation varies from 210 to 340 mm; evaporation from the water surface is 1000–1100 mm. The issue of water resources provision is critical for Kalmukia. In the conditions of Kalmykia groundwater plays an important role as it is the main and often the only source of domestic/drinking water supply. However, the groundwater use is limited due to their low natural quality. One of the ways of increasi
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34

Megahed, Hanaa A., Abd El-Hay A. Farrag, Amira A. Mohamed, Paola D’Antonio, Antonio Scopa, and Mohamed A. E. AbdelRahman. "Groundwater Recharge Potentiality Mapping in Wadi Qena, Eastern Desert Basins of Egypt for Sustainable Agriculture Base Using Geomatics Approaches." Hydrology 10, no. 12 (2023): 237. http://dx.doi.org/10.3390/hydrology10120237.

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In arid and hyper-arid areas, groundwater is a precious and rare resource. The need for water supply has grown over the past few decades as a result of population growth, urbanization, and agricultural endeavors. This research aims to locate groundwater recharge potential zones (GWPZs) using multi-criteria evaluation (MCE) in the Wadi Qena Basin, Eastern Desert of Egypt, which represents one of the most promising valleys on which the government depends for land reclamations and developments. These approaches have been used to integrate and delineate the locations of high groundwater recharge a
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35

Gunn, John, and Chris Bradley. "Characterising Rhythmic and Episodic Pulsing Behaviour in the Castleton Karst, Derbyshire (UK), Using High Resolution in-Cave Monitoring." Water 15, no. 12 (2023): 2301. http://dx.doi.org/10.3390/w15122301.

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The discharge from most karst springs exhibits a consistent and reasonably predictable response to recharge but a few exhibit short-term (‘rhythmic’) changes in flow that are commonly attributed to the geometry of feeder conduits and the action of siphons. This paper investigates water flow in a karst system that exhibits rhythmic and episodic changes in discharge due to variations in flow from two phreatic conduits (Main Rising (MR) and Whirlpool Rising (WR)) that pass through Speedwell Cavern en route to the springs. Water tracing experiments indicate that the conduits receive both allogenic
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36

Duppa M.T, Ir Hakim. "SURFACE FLOW REDUCTION AT APUDDLE AREA BY POROUS RECHARGE." INTERNATIONAL JOURNAL OF MANAGEMENT & INFORMATION TECHNOLOGY 11, no. 3 (2016): 2910–15. http://dx.doi.org/10.24297/ijmit.v11i3.5119.

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Waterlogging occurs when rain is rain water that gathered  accumulation  exceeded the rainage capacity of the river and it is  causedndue to the absence of absorption infiltration into the soil this the study aimed to assess the basic characteristics of the land area of inundation, (material volcanic rocks, and chunk) and infiltration capacity this research method is the study of soil mechanics laboratory experiments using soil samples from 2 nundation areas, areas not graceful and the samples of porous material and chunks of mountain rock (sand, cement, bricks) the result sh
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37

Bogena, H., R. Kunkel, C. Montzka, and F. Wendland. "Uncertainties in the simulation of groundwater recharge at different scales." Advances in Geosciences 5 (December 16, 2005): 25–30. http://dx.doi.org/10.5194/adgeo-5-25-2005.

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Abstract. Digital spatial data always imply some kind of uncertainty. The source of this uncertainty can be found in their compilation as well as the conceptual design that causes a more or less exact abstraction of the real world, depending on the scale under consideration. Within the framework of hydrological modelling, in which numerous data sets from diverse sources of uneven quality are combined, the various uncertainties are accumulated. In this study, the GROWA model is taken as an example to examine the effects of different types of uncertainties on the calculated groundwater recharge.
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38

Wang, Changshu, Jingwei Wu, Wenzhi Zeng, Yan Zhu, and Jiesheng Huang. "Five-Year Experimental Study on Effectiveness and Sustainability of a Dry Drainage System for Controlling Soil Salinity." Water 11, no. 1 (2019): 111. http://dx.doi.org/10.3390/w11010111.

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The dry drainage system (DDS) is an alternative technique for controlling salinization. To quantify its role in soil salinity control, a five-year field observation from 2007 to 2011 was completed in a 2900 ha experimental plot in Yonglian Experimental Station, Hetao Irrigation District, China. Results showed that the groundwater table depth in the fallow areas quickly responded to the lateral recharge from the surrounding croplands during irrigation events. The groundwater electrical conductivity (GEC) of fallow areas increased from 5 mS·cm−1 to 15 mS·cm−1, whereas the GEC below croplands pro
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39

Del Toro-Guerrero, Francisco, Enrique Vivoni, Thomas Kretzschmar, Stephen Bullock Runquist, and Rogelio Vázquez-González. "Variations in Soil Water Content, Infiltration and Potential Recharge at Three Sites in a Mediterranean Mountainous Region of Baja California, Mexico." Water 10, no. 12 (2018): 1844. http://dx.doi.org/10.3390/w10121844.

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In this research, we examined temporal variations in soil water content (θ), infiltration patterns, and potential recharge at three sites with different mountain block positions in a semiarid Mediterranean climate in Baja California, Mexico: two located on opposing aspects (south- (SFS) and north-facing slopes (NFS)) and one located in a flat valley. At each site, we measured daily θ between 0.1 and 1 m depths from May 2014 to September 2016 in four hydrological seasons: wet season (winter), dry season (summer) and two transition seasons. The temporal evolution of θ and soil water storage (SWS
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40

KUMAR, SATYENDRA, R. RAJU, PARVENDER SHEORAN, et al. "Techno-economic evaluation of recharge structure as localized drainage option for sustainable crop production in sodic agro-ecosystems." Indian Journal of Agricultural Sciences 90, no. 1 (2020): 212–19. http://dx.doi.org/10.56093/ijas.v90i1.98683.

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The low infiltration capacity of sodic soils and alkaline irrigation water are the main limiting factors in sustaining crop production under salt affected agro-ecosystems. The extreme rains aggravate the chances of crop failure further, due to water stagnation for prolonged period under sodic lands. Frequency of such extreme rainfall events is likely to increase in near future due to changing climatic scenario. ICAR-Central Soil Salinity Research Institute, Karnal, designed, developed and installed the cavity type individual farmers' based recharge structure at four locations in low lying area
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41

MEENA, S. C., K. K. SHARMA, H. SWAMI, B. S. RANA, LEKHA LEKHA, and V. D. LOHOT. "Survey record of lac insect Kerria lacca and its host plants in western plains of India." Indian Journal of Agricultural Sciences 90, no. 1 (2020): 220–25. http://dx.doi.org/10.56093/ijas.v90i1.98684.

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The low infiltration capacity of sodic soils and alkaline irrigation water are the main limiting factors in sustaining crop production under salt affected agro-ecosystems. The extreme rains aggravate the chances of crop failure further, due to water stagnation for prolonged period under sodic lands. Frequency of such extreme rainfall events is likely to increase in near future due to changing climatic scenario. ICAR-Central Soil Salinity Research Institute, Karnal, designed, developed and installed the cavity type individual farmer’s based recharge structure at four locations in low lying area
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42

French, Helen K., Mona C. Hansen, Kamilla G. Moe, and Julie Stene. "Modelling Plume Development with Annual Pulses of Contaminants Released from an Airport Runway to a Layered Aquifer, Evaluation of an In Situ Monitoring System." Water 15, no. 5 (2023): 985. http://dx.doi.org/10.3390/w15050985.

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In cold climates, the use of de-icing chemicals in the winter can lead to groundwater contamination, especially when used in large quantities, such as at airports. Oslo Airport, Gardermoen, is situated on Norway’s largest rain-fed aquifer. Potassium formate is used to remove ice from runways and propylene glycol from airplanes; the organic parts are degradable. Most of the wells to monitor the spread of de-icing chemicals in the underlying aquifer have well screens near the groundwater level, while the runways and the source of de-icing chemicals are near the groundwater divides, where vertica
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43

Barker, Simon J., Colin J. N. Wilson, Daniel J. Morgan, and Julie V. Rowland. "Rapid priming, accumulation, and recharge of magma driving recent eruptions at a hyperactive caldera volcano." Geology 44, no. 4 (2016): 323–26. http://dx.doi.org/10.1130/g37382.1.

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44

Mladenov, Natalie, Philippa Huntsman-Mapila, Piotr Wolski, Wellington R. L. Masamba, and Diane M. McKnight. "Dissolved organic matter accumulation, reactivity, and redox state in ground water of a recharge wetland." Wetlands 28, no. 3 (2008): 747–59. http://dx.doi.org/10.1672/07-140.1.

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45

Chen, Jing, Mingming Luo, Li Wan, Jing Wang, Yiqun Gan, and Hong Zhou. "Accumulation, conversion and storage of solute from sinkholes to karst spring under concentrated recharge conditions." Journal of Hydrology 620 (May 2023): 129396. http://dx.doi.org/10.1016/j.jhydrol.2023.129396.

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46

Zevgolis, Ioannis E., Alexandros I. Theocharis, Alexandros V. Deliveris, and Nikolaos C. Koukouzas. "Numerical Analysis of Groundwater Effects on the Stability of an Abandoned Shallow Underground Coal Mine." Sustainability 15, no. 1 (2022): 529. http://dx.doi.org/10.3390/su15010529.

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This work systematically quantifies groundwater’s effect on the roof stability of underground openings in shallow coal mines and indirectly assesses the potential for sinkhole formation. A specific stratigraphy was analyzed where the opening instability can lead to sinkhole formation, given the geological conditions, the overburden stratigraphy, and the depth of the openings. The groundwater recharge was investigated as an individual rainfall infiltration (short-term) and as groundwater dynamics (long-term), representing the accumulation of infiltrated rainwater with time. In the latter case,
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47

Nightingale, Harry I. "ACCUMULATION OF AS, NI, CU, AND PB IN RETENTION AND RECHARGE BASINS SOILS FROM URBAN RUNOFF." Journal of the American Water Resources Association 23, no. 4 (1987): 663–72. http://dx.doi.org/10.1111/j.1752-1688.1987.tb00840.x.

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48

Kuipers, P. J., M. C. Ryan, and B. J. Zebarth. "Estimating nitrate loading from an intensively managed agricultural field to a shallow unconfined aquifer." Water Quality Research Journal 49, no. 1 (2013): 10–22. http://dx.doi.org/10.2166/wqrjc.2013.136.

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Nitrate loading from an intensively managed commercial red raspberry field to groundwater in the Abbotsford-Sumas Aquifer, British Columbia was estimated over a 1 yr period and compared with the nitrogen surplus calculated using a simple nitrogen budget. Nitrate loading was estimated as the product of recharge (estimated from climate data as total precipitation minus potential evapotranspiration (PET)) and monthly nitrate concentration measured at the water table. Most nitrate loading occurred when nitrate, accumulated in the root zone over the growing season, was leached following heavy autum
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49

El Mrabet, Elyasse, Lhoussaine El Mezouary, and Bouabid El Mansouri. "A study of water infiltration basin and clogging using column experiments." E3S Web of Conferences 314 (2021): 04005. http://dx.doi.org/10.1051/e3sconf/202131404005.

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The clogging of infiltration basins is the main problem affecting the proper functioning of groundwater artificial recharge systems. In this study, several parameters have been varied to understand their impacts on water infiltration. The experimental results show that the effect of initial humidity is significant for less porous material such as silty soil (Hamri) and sand. The air bubbles are also an important factor to take into consideration since when trapped within porous structures, it forms a barrier for the displacement of water infiltration. The accumulation of suspended particles in
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50

Guggenmos, M. R., C. J. Daughney, B. M. Jackson, and U. Morgenstern. "Regional-scale identification of groundwater-surface water interaction using hydrochemistry and multivariate statistical methods, Wairarapa Valley, New Zealand." Hydrology and Earth System Sciences 15, no. 11 (2011): 3383–98. http://dx.doi.org/10.5194/hess-15-3383-2011.

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Abstract. Identifying areas of interaction between groundwater and surface water is crucial for effective environmental management, because this interaction is known to influence water quantity and quality. This paper applies hydrochemistry and multivariate statistics to identify locations and mechanisms of groundwater-surface water interaction in the pastorally dominated Wairarapa Valley, New Zealand. Hierarchical Cluster Analysis (HCA) and Principal Components Analysis (PCA) were conducted using site-specific median values of Ca, Mg, Na, K, HCO3, Cl, SO4 and electrical conductivity from 22 s
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