| Records |
| Author |
Christofi, C.; Bruggeman, A.; Külls, C.; Constantinou, C. |
Title  |
Hydrochemical evolution of groundwater in gabbro of the Troodos Fractured Aquifer. A comprehensive approach |
Type |
Journal Article |
| Year |
2020 |
Publication |
Applied Geochemistry |
Abbreviated Journal |
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| Volume |
114 |
Issue |
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Pages |
104524 |
| Keywords |
geochemistry |
| Abstract |
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| Publisher |
Pergamon |
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| Language |
English |
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| Call Number |
THL @ christoph.kuells @ Christofi2020hydrochemical |
Serial |
13 |
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| Author |
Külls, C.; Haering, M.; Leistert, H.; Oster, H. |
| Title |
Hydrological, physical and chemical constraints for groundwater age dating with CFC and SF6 |
Type |
Conference Article |
| Year |
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Publication |
G-DAT 2008-Leipzig |
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Pages |
29 |
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no |
| Call Number |
THL @ christoph.kuells @ Kuells2008hydrological |
Serial |
57 |
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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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| Author |
Döll, P.; Krol, M.; Fuhr, D.; Gaiser, T.; Herfort, J.; Höynck, S.; Jaeger, A.; Külls, C.; Mendiondo, E.M.; Printz, A.; others |
| Title |
Integrated scenarios of regional development in Ceará and Piauí |
Type |
Book Chapter |
| Year |
2003 |
Publication |
Global Change and Regional Impacts |
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Issue |
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Pages |
19-41 |
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Springer, Berlin, Heidelberg |
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no |
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THL @ christoph.kuells @ Doll2003integrated |
Serial |
39 |
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| Author |
Külls, C.; Nunes, A.; Köbel-Batista, M.; Branquinho, C.; Bianconi, N.; Costantini, E. |
| Title |
Integrated use of soil physical and water isotope methods for ecohydrological characterization of desertified areas |
Type |
Conference Article |
| Year |
2014 |
Publication |
EGU Geophysical Abstracts |
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Issue |
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Pages |
15430 |
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no |
| Call Number |
THL @ christoph.kuells @ Kuells2014integrated |
Serial |
46 |
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| Author |
Klaus, J.; Külls, C. |
| Title |
Integrating residence time data in mixing cell modeling-Application to the Lower Kuiseb Dune area |
Type |
Conference Article |
| Year |
2009 |
Publication |
EGU Geophysical Abstracts |
Abbreviated Journal |
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Issue |
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Pages |
11026 |
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no |
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THL @ christoph.kuells @ Klaus2009integrating |
Serial |
54 |
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| Author |
Mahindawansha, A.; Külls, C.; Kraft, P.; Breuer, L. |
| Title |
Investigating unproductive water losses from irrigated agricultural crops in the humid tropics through analyses of stable isotopes of water |
Type |
Journal Article |
| Year |
2020 |
Publication |
Hydrology and Earth System Sciences |
Abbreviated Journal |
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| Volume |
24 |
Issue |
7 |
Pages |
3627-3642 |
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| Publisher |
Copernicus GmbH |
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Approved |
yes |
| Call Number |
THL @ christoph.kuells @ Mahindawansha2020investigating |
Serial |
14 |
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| Author |
Voerkelius, S.; Külls, C.; Santiago, M.M.F.; Frischkorn, H.; dos Santos Semrau, L.A.; Heinrichs, G.; Gil, M.M.L. |
| Title |
Investigations on water management and water quality in Picos/PI and Tauá/CE |
Type |
Book Chapter |
| Year |
2003 |
Publication |
Global change and regional impacts |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
173-184 |
| Keywords |
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| Abstract |
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Thesis |
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| Publisher |
Springer, Berlin, Heidelberg |
Place of Publication |
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no |
| Call Number |
THL @ christoph.kuells @ Voerkelius2003investigations |
Serial |
40 |
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| Author |
Christofi, C.; Bruggeman, A.; Külls, C.; Constantinou, C. |
| Title |
Isotope hydrology and hydrogeochemical modeling of Troodos Fractured Aquifer, Cyprus: The development of hydrogeological descriptions of observed water types |
Type |
Journal Article |
| Year |
2020 |
Publication |
Applied Geochemistry |
Abbreviated Journal |
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| Volume |
123 |
Issue |
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Pages |
104780 |
| Keywords |
Isotope hydrology, Hydrogeochemical modelling, Hydrochemistry, Kargiotis, Troodos |
| Abstract |
The origin of groundwater recharge and subsequent flow paths are often difficult to establish in fractured, multi-lithological, and highly compartmentalized aquifers such as the Troodos Fractured Aquifer (TFA). As the conjunctive use of stable isotopes and hydrogeochemical data provides additional information, we established a monitoring network for stable isotopes in precipitation in Cyprus. The local meteoric water line, altitude effect and seasonal variation of stable isotopes in precipitation are derived from monitoring data. Stable isotopes and hydrogeochemical data are combined to model water-rock interactions and groundwater evolution along a complete ophiolite sequence. As a result a generic hydrogeologic description for the observed water types is developed. Isotope hydrology was applied in conjunction with hydrogeochemical modelling in Kargiotis Watershed, a major north-south transect of the TFA. PHREEQC was used for hydrogeochemical modelling to establish generic descriptions for observed water types. Mean precipitation-weighted values from 16 monitoring stations were used to calculate the Local Meteoric Water Line (LMWL), which was found to be equal to δ2H = (6.58 ± 0.13)*δ18O + (12.64 ± 0.91). A general decrease of 1.22‰ for δ2H and 0.20‰ for δ18O in precipitation was calculated per 100 m altitude. A generic groundwater evolution path was established: 1. Na/MgClHCO3, 2. MgHCO3, 3. Ca/MgHCO3, 4. Ca/MgNaHCO3, 4a. MgNa/CaHCO3/Cl, 5. NaMg/CaHCO3/Cl, 6. NaHCO3, 7. Na/MgHCO3SO4, 8. NaSO4Cl/HCO3. Hydrogeologic descriptions, consisting of groundwater origin, flow path and possible active water-rock processes, have been realised for the observed water types. The first two water types occur in serpentine and ultramafic-gabbro springs. Type 3 waters represent early stages of recharge and/or short flow paths, in gabbro whereas types 4 and 5 are typical for further percolating waters in gabbro and diabase. Water types 6 and 7 occur both in diabase and in the basal group and represent the regional flow. Water type 8 is the end member of regional, upwelling groundwater in the basal group. The presented descriptions and methods have practical applications in groundwater exploration, characterization, and protection. The methodology can be applied in other complex aquifer systems. |
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english |
Summary Language |
english |
Original Title |
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| ISSN |
0883-2927 |
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| Area |
Cyprus |
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| Notes |
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Approved |
no |
| Call Number |
THL @ christoph.kuells @ Christofi2020104780 |
Serial |
76 |
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| Author |
Rehm-Berbenni, C.; Druta A.; Åberg, G.; Neguer J.; Külls, C.; Patrizi, G.; Pacha, T.; Kienzle, P.; Bugini, R.; Fiore, M.G. |
| Title |
Isotope Technologies Applied to the Analysis of Ancient Roman Mortars |
Type |
Book Whole |
| Year |
2005 |
Publication |
European Commission |
Abbreviated Journal |
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Issue |
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Pages |
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| Abstract |
Results of the CRAFT Project EVK4 CT-2001-30004 |
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no |
| Call Number |
THL @ christoph.kuells @ |
Serial |
73 |
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