Abstract
The first decade of monitoring program in Lake Agmon (Hula Valley, Northern Israel) is summarized. The presented part of the program include: water discharges, physico-chemical (pH, EC, Temperature) and chemical parameters (TP, TN, TDN, TDP, NO3, NH4, SO4, TDS, TSS,). It was found that Nitrogen concentrations decline from north to south and the opposite for Phosphorus. Resulting of re-suspension by wind direction of western-southern-eastern and averaged maximal velocities of 9 - 10 m/s is suggested. De-nitrification and particles sedimentation emphasize Lake Agmon as a sink for Nitrogen. Sulfate-Carbonates association and the production of precipitated Gypsum (CaSO4) highlight the sink property of Lake Agmon. Nevertheless Sulfate removal by the Lake Agmon hydrological system is significant.
Highlights
Prior to the 1950’s, the Hula Valley was mostly (6500 ha) covered by old Lake Hula (1300 ha) and swampy wetlands
Agmon is a sink for TDP, TN, TDN, NO3, NH4, SO4 and Carbonates
Lake Agmon is a newly created shallow body of water which is a component of the reclamation system of the
Summary
Prior to the 1950’s, the Hula Valley was mostly (6500 ha) covered by old Lake Hula (1300 ha) and swampy wetlands. This area was not cultivated, malaria was common and water loss existed by Evapo-Transpiration. The Jordan River contributes about 63% of the downstream Lake Kinnerets water budget, but 70% of total nutrient inputs, of which over 50% originate in the Hula Valley region, the valley and slopes on both sides (east and west). During the 1950’s, 6500 ha of natural wetland and old Lake *. (2016) Chemical, Hydrological and Climatological Properties of Lake Agmon, Hula Valley (Israel), (1994-2006). Open Journal of Modern Hydrology, 6, 8-18
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