| Records |
| Author |
Abadi, B.; Sadeghfam, S.; Ehsanitabar, A.; Nadiri, A.A. |
| Title |
Investigating socio-economic and hydrological sustainability of ancient Qanat water systems in arid regions of central Iran |
Type |
Journal Article |
| Year |
2023 |
Publication |
Groundwater for Sustainable Development |
Abbreviated Journal |
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| Volume |
23 |
Issue |
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Pages |
100988 |
| Keywords |
Ancient irrigation, QWSs, GIS, Indigenous knowledge, Maintenance, Distribution |
| Abstract |
The Qanat water systems (QWSs), the ancient water engineering systems in Iran belonging to the very distant past, have harvested groundwater from drainages to convey it toward the surface with no use of energy. The present article highlights the socio-economic aspects of the sustainability of the QWSs and gives a satisfactory explanation of why the QWSs should be restored. In doing so, we subscribe to the view that indigenous and scientific knowledge should be incorporated. The former serves to tackle the restoration of the QWSs, the latter contributes to the distribution of water into the farmlands as efficiently as possible. Measured by (a) resilience, (b) reliability, (c) vulnerability, and (d) sustainability, the GIS technique made clear the performance of the QWSs has, therefore, the worst condition observed in terms of resiliency; the best condition observed concerning the vulnerability. Moreover, the QWSs have intermediate performance in terms of reliability. Finally, the sustainability index (SI) classifies the QWSs into different bands, which provide explicit support to take priority of the selection of the QWSs for restoration. In conclusion, a theoretical framework has been drawn to keep the QWSs sustainable. |
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2352-801x |
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no |
Call Number  |
THL @ christoph.kuells @ Abadi2023100988 |
Serial |
268 |
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| Author |
Abiye, T. |
| Title |
Synthesis on groundwater recharge in Southern Africa: A supporting tool for groundwater users |
Type |
Journal Article |
| Year |
2016 |
Publication |
Groundwater for Sustainable Development |
Abbreviated Journal |
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| Volume |
2-3 |
Issue |
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Pages |
182-189 |
| Keywords |
Arid and semi-arid areas, Groundwater recharge, Recharge estimation methods, Southern Africa |
| Abstract |
This synthesis on groundwater recharge targets the Southern African region as a result of the dependence of the community and economic sector on the groundwater resource. Several literature based recharge studies were collected and assessed in order to find out the main controls to the occurrence of recharge. The Water Table Fluctuation and Base flow separation methods have been tested in the catchment that drains crystalline basement rocks and dolostones close to the city of Johannesburg, South Africa. Based on the assessed data the Chloride Mass Balance method resulted in groundwater recharge of less than 4% of the rainfall, while it reaches 20%, when rainfall exceeds 600mm. For the classical water balance method, recharge proportion is less than 3% of rainfall as a result of very high ambient temperature in the region. Based on the Saturated Volume Fluctuation and Water Table Fluctuation methods, recharge could be less than 6% for annual rainfall of less than 600mm. Observational results further suggest that sporadic recharge from high intensity rainfall has important contribution to the groundwater recharge in the region, owing to the presence of permeable geological cover, which could not be fully captured by most of the recharge estimation methods. This study further documents an evaluation of the most reliable recharge estimation methods in the area such as the chloride mass balance, saturated volume fluctuation and water table fluctuation methods in order to successfully manage the groundwater resource. |
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2352-801x |
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no |
| Call Number |
THL @ christoph.kuells @ abiye_synthesis_2016 |
Serial |
101 |
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| Author |
Akter, A.; Tanim, A.H.; Islam, M.K. |
| Title |
Possibilities of urban flood reduction through distributed-scale rainwater harvesting |
Type |
Journal Article |
| Year |
2020 |
Publication |
Water Science and Engineering |
Abbreviated Journal |
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| Volume |
13 |
Issue |
2 |
Pages |
95-105 |
| Keywords |
Low-impact development (LID), SWMM, HEC-RAS, Remote sensing, Urban flooding, Inundation depth |
| Abstract |
Urban flooding in Chittagong City usually occurs during the monsoon season and a rainwater harvesting (RWH) system can be used as a remedial measure. This study examines the feasibility of rain barrel RWH system at a distributed scale within an urbanized area located in the northwestern part of Chittagong City that experiences flash flooding on a regular basis. For flood modeling, the storm water management model (SWMM) was employed with rain barrel low-impact development (LID) as a flood reduction measure. The Hydrologic Engineering Center’s River Analysis System (HEC-RAS) inundation model was coupled with SWMM to observe the detailed and spatial extent of flood reduction. Compared to SWMM simulated floods, the simulated inundation depth using remote sensing data and the HEC-RAS showed a reasonable match, i.e., the correlation coefficients were found to be 0.70 and 0.98, respectively. Finally, using LID, i.e., RWH, a reduction of 28.66% could be achieved for reducing flood extent. Moreover, the study showed that 10%–60% imperviousness of the subcatchment area can yield a monthly RWH potential of 0.04–0.45 m3 from a square meter of rooftop area. The model can be used for necessary decision making for flood reduction and to establish a distributed RWH system in the study area. |
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1674-2370 |
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no |
| Call Number |
THL @ christoph.kuells @ Akter202095 |
Serial |
247 |
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| Author |
Androvitsanea, A.; Fawzy, M.; Fuchs, J.; Külls, C.; Fahlbusch, H.; Heiden, J. |
| Title |
Hydrologische Bedingungen im Heraion von Samos vom 12. bis 8. Jh. v. Chr. und ihre Bedeutung für die wasserbauliche Infrastruktur |
Type |
Journal Article |
| Year |
2018 |
Publication |
Environmental Water Engineering |
Abbreviated Journal |
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| Volume |
1 |
Issue |
1 |
Pages |
1-21 |
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no |
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THL @ christoph.kuells @ Androvitsanea2018hydrologische |
Serial |
17 |
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Benites Lazaro, L.L.; Bellezoni, R.; Puppim de Oliveira, J.; Jacobi, P.R.; Giatti, L. |
| Title |
Ten Years of Research on the Water-Energy-Food Nexus: An Analysis of Topics Evolution |
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Journal Article |
| Year |
2022 |
Publication |
Frontiers in Water |
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4 |
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no |
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THL @ christoph.kuells @ article |
Serial |
86 |
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| Author |
Benito, G.; Rohde, R.; Seely, M.; Külls, C.; Dahan, O.; Enzel, Y.; Todd, S.; Botero, B.; Morin, E.; Grodek, T. |
| Title |
Management of alluvial aquifers in two southern African ephemeral rivers: implications for IWRM |
Type |
Journal Article |
| Year |
2010 |
Publication |
Water Resources Management |
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24 |
Issue |
4 |
Pages |
641-667 |
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Springer Netherlands |
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THL @ christoph.kuells @ Benito2010management |
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25 |
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Borrego-Alonso, D.; Quintana-Arnés, B.; Lozano, J.C. |
| Title |
Natural radionuclides behaviour in drinking groundwaters from Castilla y León (Spain); radiological implications |
Type |
Journal Article |
| Year |
2023 |
Publication |
Water Research |
Abbreviated Journal |
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| Volume |
245 |
Issue |
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Pages |
120616 |
| Keywords |
Drinking water, Environmental monitoring, Natural radioactivity, Public health, Radiological characterisation |
| Abstract |
Since the coming into force of the European Council Directive 51/2013 EURATOM and its transposition into the Spanish legislation, the presence of radioactive substances in drinking waters must be kept under surveillance to ensure that the health protection requirements are met. Driven by this regulatory framework, in an attempt to know the starting point from which to design surveillance plans, the groundwaters intended for human consumption of Castilla y León (Spain) have been radiologically characterised by using both low-level γ-ray and α-particle spectrometry to determine the activity concentration of the natural radionuclides needed to account for the indicative dose estimation. This extensive research has comprised the radiological characterisation of more than 400 drinking water samples from one of the European Union’s largest regions. Furthermore, the gross α and gross β activities have been analysed. Results showed a high geographical variability that can be related to the hydrogeological formations where the groundwaters come from. The uranium isotopes, 234U and 238U, are the main radionuclides present in the analysed drinking waters reaching values up to 2000 mBq/L, in the southwestern and western of Castilla y León, where U-rich minerals are part of the host rock. High 210Pb and 226,228Ra occurrences are found in the low permeability igneous and metasedimentary hydrogeological formations of Salamanca province. From a public health protection point of view, 4.4% of the total drinking water samples from intakes exceeded the Indicative Dose parametric value of 0.1 mSv, which is a not negligible number of samples, being very likely related to granitic and metamorphosed host rock under specific local conditions. This fact highlights the need for research and consideration of special surveillance of the groundwaters from these areas. |
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0043-1354 |
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no |
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THL @ christoph.kuells @ borrego-alonso_natural_2023 |
Serial |
157 |
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| Author |
Dahan, O.; Tatarsky, B.; Enzel, Y.; Külls, C.; Seely, M.; Benito, G. |
| Title |
Dynamics of flood water infiltration and ground water recharge in hyperarid desert |
Type |
Journal Article |
| Year |
2008 |
Publication |
Groundwater |
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| Volume |
46 |
Issue |
3 |
Pages |
450-461 |
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Blackwell Publishing Inc Malden, USA |
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no |
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THL @ christoph.kuells @ Dahan2008dynamics |
Serial |
27 |
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| Author |
Demuth, S.; Külls, C. |
| Title |
Probability analysis and regional aspects of droughts in southern Germany |
Type |
Journal Article |
| Year |
1997 |
Publication |
Sustainability of Water Resources under Increasing Uncertainty |
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Issue |
240 |
Pages |
97 |
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Iahs |
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THL @ christoph.kuells @ Demuth1997probability |
Serial |
35 |
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| Author |
Hdeib, R.; Aouad, M. |
| Title |
Rainwater harvesting systems: An urban flood risk mitigation measure in arid areas |
Type |
Journal Article |
| Year |
2023 |
Publication |
Water Science and Engineering |
Abbreviated Journal |
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| Volume |
16 |
Issue |
3 |
Pages |
219-225 |
| Keywords |
Rainwater harvesting, Urban floods, Flood map, Hydrodynamic model, Built environment, Arid areas |
| Abstract |
Rainwater harvesting (RWH) systems have been developed to compensate for shortage in the water supply worldwide. Such systems are not very common in arid areas, particularly in the Gulf Region, due to the scarcity of rainfall and their reduced efficiency in covering water demand and reducing water consumption rates. In spite of this, RWH systems have the potential to reduce urban flood risks, particularly in densely populated areas. This study aimed to assess the potential use of RWH systems as urban flood mitigation measures in arid areas. Their utility in the retention of stormwater runoff and the reduction of water depth and extent were evaluated. The study was conducted in a residential area in Bahrain that experienced waterlogging after heavy rainfall events. The water demand patterns of housing units were analyzed, and the daily water balance for RWH tanks was evaluated. The effect of the implementation of RWH systems on the flood volume was evaluated with a two-dimensional hydrodynamic model. Flood simulations were conducted in several rainfall scenarios with different probabilities of occurrence. The results showed significant reductions in the flood depth and flood extent, but these effects were highly dependent on the rainfall intensity of the event. RWH systems are effective flood mitigation measures, particularly in urban arid regions short of proper stormwater control infrastructure, and they enhance the resilience of the built environment to urban floods. |
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1674-2370 |
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Approved |
no |
| Call Number |
THL @ christoph.kuells @ Hdeib2023219 |
Serial |
242 |
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