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[Last updated:
February 15, 2010
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Research activities
- Direct measurement of flood water infiltration and ground water recharge
in arid lands. An international project that is simultaneously conducted in
Israel, Spain, Namibia, South Africa and the USA. Ofer Dahan, Yehouda Enzel,
Yosi Yechieli, Erik McDonald, Gerardo Benito, Mary Seely, Christoph Kuells.
| Figure 1a: (a) Flood stage, (b) water-content variation at various depths and(c) ground-water levels, measured during the first flood
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Figure 1b: Installation of a VZMS
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- Land use impact on the quantity and quality of groundwater recharge into
the Coastal Plain Aquifer, Ofer Dahan Ronit Nativ; Stefan Geyer
Figure 2a: Daily rainfall and water-content variations as monitored by the FTDR system across the entire 21-m thick vadose zone of borehole 2 at Site 1
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- Ground water and vadose zone contamination in Ramat Hasharon area. Eilon Adar; Ronit Nativ; Noam Weisbrod; Ofer Dahan; Alex Yakirevich; Zeev Ronen.
- Assessment of aquifer contamination in the Nahalat Itzhak Area - Tel Aviv. Daniel Ronen; Noam Weisbrod; Ofer Dahan.
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Figure 4a: Variations in TCE profiles in deep vadose zone (left) as measured by MLS monitoring system (right)
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- The influence of dairy farming on the groundwater quality in the coastal plain aquifer. Ofer Dahan, Shai Arnon, Zeev Ronen; Amit Gross; Alan Shlosberg; Larry Sore; Irena Pankertov.
Developments and Patents
Vadose zone monitoring system
Patents
- Flexible Probe for Measuring Moisture Content in Soil, USA, Patent # 6,956,381.
- Deep vadose zone sampling ports (PCT/IL2007/00018).
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