| Records |
| Author |
Pavelic, P.; Srisuk, K.; Saraphirom, P.; Nadee, S.; Pholkern, K.; Chusanathas, S.; Munyou, S.; Tangsutthinon, T.; Intarasut, T.; Smakhtin, V. |
| Title |
Balancing-out floods and droughts: Opportunities to utilize floodwater harvesting and groundwater storage for agricultural development in Thailand |
Type |
Journal Article |
Year  |
2012 |
Publication |
Journal of Hydrology |
Abbreviated Journal |
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| Volume |
470-471 |
Issue |
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Pages |
55-64 |
| Keywords |
Water scarcity, Flooding, Drought, Managed aquifer recharge, Floodwater harvesting, Chao Phraya River Basin |
| Abstract |
Summary Thailand’s naturally high seasonal endowment of water resources brings with it the regularly experienced problems associated with floods during the wet season and droughts during the dry season. Downstream-focused engineering solutions that address flooding are vital, but do not necessarily capture the potential for basin-scale improvements to water security, food production and livelihood enhancement. Managed aquifer recharge, typically applied to annual harvesting of wet season flows in dry climates, can also be applied to capture, store and recover episodic extreme flood events in humid environments. In the Chao Phraya River Basin it is estimated that surplus flows recorded downstream above a critical threshold could be harvested and recharged within the shallow alluvial aquifers in a distributed manner upstream of flood prone areas without significantly impacting existing large-medium storages or the Gulf and deltaic ecosystems. Capturing peak flows approximately 1year in four by dedicating around 200km2 of land to groundwater recharge would reduce the magnitude of flooding and socio-economic impacts and generate around USD 250M/year in export earnings for smallholder rainfed farmers through dry season cash cropping without unduly compromising the demands of existing water users. It is proposed that farmers in upstream riparian zones be co-opted as flood harvesters and thus contribute to improved floodwater management through simple water management technologies that enable agricultural lands to be put to higher productive use. Local-scale site suitability and technical performance assessments along with revised governance structures would be required. It is expected that such an approach would also be applicable to other coastal-discharging basins in Thailand and potentially throughout the Asia region. |
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0022-1694 |
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no |
| Call Number |
THL @ christoph.kuells @ Pavelic201255 |
Serial |
246 |
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| Author |
Kamash, Z. |
| Title |
Irrigation technology, society and environment in the Roman Near East |
Type |
Journal Article |
| Year |
2012 |
Publication |
Journal of Arid Environments |
Abbreviated Journal |
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| Volume |
86 |
Issue |
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Pages |
65-74 |
| Keywords |
Army, Urbanism, Qanats, Dams, Field systems, Irrigation channels |
| Abstract |
This paper uses a multi-faceted approach to understand the use and distribution of different irrigation technologies in the Roman Near East (63 BC – AD 636), looking at the ways in which social and environmental factors affected the implementation of those irrigation technologies. It is argued that no single factor can fully explain how irrigation technologies were used across time and space in this region. Instead, choices in irrigation technology seem to have been governed by a complex nexus of both social and environmental factors. |
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0140-1963 |
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| Notes |
Ancient Agriculture in the Middle East |
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no |
| Call Number |
THL @ christoph.kuells @ Kamash201265 |
Serial |
259 |
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| Author |
Külls, C.H.; Eichinger, F.; Fader, H.J.; Leistert, H.; Lorenz, G.; Szakacs, E. |
| Title |
New Environmental Analytical Techniques to Monitor Carbon Sequestration |
Type |
Conference Article |
| Year |
2011 |
Publication |
1st EAGE Sustainable Earth Sciences (SES) Conference and Exhibition |
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Pages |
268 |
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European Association of Geoscientists & Engineers |
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no |
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THL @ christoph.kuells @ Kuells2011new |
Serial |
47 |
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| Author |
Frey, S.; Külls, C.; Schlosser, C. |
| Title |
New Hydrological Age-Dating techniques using cosmogenic radionuclides Beryllium-7 and Sodium-22 |
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Conference Article |
| Year |
2011 |
Publication |
Proc. IAEA Conf. Monacco |
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no |
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THL @ christoph.kuells @ Frey2011new |
Serial |
48 |
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| Author |
Külls, C. |
| Title |
Rekonstruktion hydrologischer Extreme in der Namibwüste |
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Journal Article |
| Year |
2011 |
Publication |
Berichte der naturforschenden Gesellschaft zu Freiburg im Breisgau |
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Issue |
101 |
Pages |
69-81 |
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no |
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THL @ christoph.kuells @ |
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71 |
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| Author |
Brook, G.A.; Railsback, L.B.; Marais, E. |
| Title |
Reassessment of carbonate ages by dating both carbonate and organic material from an Etosha Pan (Namibia) stromatolite: Evidence of humid phases during the last 20ka |
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Journal Article |
| Year |
2011 |
Publication |
Quaternary International |
Abbreviated Journal |
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| Volume |
229 |
Issue |
1 |
Pages |
24-37 |
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| Abstract |
Previous research on lacustrine stromatolites from Etosha Pan in Namibia obtained ages on carbonate close to or beyond the limits of radiocarbon dating. These ages suggested that the basin was likely not subject to extensive flooding during the last ca. 40ka. This study shows that AMS radiocarbon ages for the carbonate of a stromatolite from Poacher’s Point are 15–21ka older than ages for organic material in the stromatolite structure. Calibrated ages range from 30 to 40ka for carbonate and 3–19ka for the organic residue. The new ages, together with petrographic and isotopic data for the stromatolite, have provided important new information on past flooding of Etosha Pan including evidence of prolonged lacustrine conditions during the Holocene Climatic Optimum. |
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1040-6182 |
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no |
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THL @ christoph.kuells @ brook_reassessment_2011 |
Serial |
110 |
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| Author |
Klimkova, S.; Cernik, M.; Lacinova, L.; Filip, J.; Jancik, D.; Zboril, R. |
| Title |
Zero-valent iron nanoparticles in treatment of acid mine water from in situ uranium leaching |
Type |
Journal Article |
| Year |
2011 |
Publication |
Chemosphere |
Abbreviated Journal |
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| Volume |
82 |
Issue |
8 |
Pages |
1178-1184 |
| Keywords |
Acid mine water, Contaminant removal, Surface stabilizing shell, Water treatment, Zero-valent iron nanoparticles |
| Abstract |
Acid mine water from in situ chemical leaching of uranium (Straz pod Ralskem, Czech Republic) was treated in laboratory scale experiments by zero-valent iron nanoparticles (nZVI). For the first time, nZVI were applied for the treatment of the real acid water system containing the miscellaneous mixture of pollutants, where the various removal mechanisms occur simultaneously. Toxicity of the treated saline acid water is caused by major contaminants represented by aluminum and sulphates in a high concentration, as well as by microcontaminants like As, Be, Cd, Cr, Cu, Ni, U, V, and Zn. Laboratory batch experiments proved a significant decrease in concentrations of all the monitored pollutants due to an increase in pH and a decrease in oxidation–reduction potential related to an application of nZVI. The assumed mechanisms of contaminants removal include precipitation of cations in a lower oxidation state, precipitation caused by a simple pH increase and co-precipitation with the formed iron oxyhydroxides. The possibility to control the reaction kinetics through the nature of the surface stabilizing shell (polymer vs. FeO nanolayer) is discussed as an important practical aspect. |
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0045-6535 |
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no |
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THL @ christoph.kuells @ klimkova_zero-valent_2011 |
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196 |
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| Author |
Hu, K.; Wang, Q.; Tao, G.; Wang, A.; Ding, D. |
| Title |
Experimental Study on Restoration of Polluted Groundwater from in Situ Leaching Uranium Mining with Sulfate Reducing Bacteria and ZVI-SRB |
Type |
Journal Article |
| Year |
2011 |
Publication |
Procedia Earth and Planetary Science |
Abbreviated Journal |
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| Volume |
2 |
Issue |
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Pages |
150-155 |
| Keywords |
In situ leaching of uranium, nitrate radical, sulfate radical, Sulfate-Reducing Bacteria (SRB), Zero Valent Iron (ZVI) |
| Abstract |
In the case of in situ leaching of uranium, the primitive geochemical environment for groundwater is changed since leachant is injected into the water beaving uranium deposit. This increases the concentration of uranium and results in the groundwater contamination.Microbial reduction technology by Sulfate reducing bacteria and Zero Valent Iron were employed to treat uranium wastewater. The experiments were conducted to evaluate the influence of anion (sulfate and nitrate) on dealing with uranium wastewater. Experimental results show that the utilization of both SRB system and ZVI – SRB system to process uranium wastewater is affected by sulfate ion and nitrate ion. As the concentration of sulfate radical is lower than 4000mg/L, sulfate-reducing bacteria has no influence on precipitated uranium. However, as the concentration of sulfate is more than 6,000mg/L, uranium removal rate decreases significantly, from 80% to 14.1%. When adding sulfate radical on ZVI – SRB system to process uranium wastewater, its uranium removal rate is higher than SRB system. Low concentration of nitrate contributes to reduction metabolism of SRB. High concentration of nitrate inhibits the growth and metabolism of SRB and affects the treatment efficiency of uranium wastewater. When the concentration of nitrate reaches 1500mg/L, uranium removal rate is less than 0.1%. Nevertheless, as the concentration of nitrate is lower than 1000mg/L, uranium removal rate could reach more than 75%. As existence of nitrate radical, uranium removal rate of SRB by adding ZVI is higher than that without adding. |
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1878-5220 |
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no |
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THL @ christoph.kuells @ hu_experimental_2011 |
Serial |
202 |
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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 |
Abbreviated Journal |
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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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| Author |
Davila, P.; Külls, C. |
| Title |
Reliability of current CFC data for age dating of water |
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Conference Article |
| Year |
2010 |
Publication |
EGU Geophysical Abstracts |
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536 |
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THL @ christoph.kuells @ Davila2010reliability |
Serial |
49 |
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