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In 50 lakes in south-eastern Norway hydrogen-ion concentration (pH) and
total hardness ("dH) were measured in surface water in the 1950's and then
once again 10 years later. Significant acidificatio...
Parametrization of Contaminant Transport through an Anisotropic Unconfined Aquifer
Parametrization Contaminant Transport Anisotropic Unconfined Aquifer
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2009/10/28
A duo two-dimensional deterministic model of contaminant transport through
a homogeneous and anisotropic unconfined aquifer is developed. This model
is then utilized to evaluate the effects of such ...
Penetration and Distribution of Tritiated Water in Soils of a Lysimeter
Penetration Distribution of Tritiated Water Lysimeter
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2009/10/28
A lysimeter experiment was carried out to determine the penetration and
distribution of a water pulse applied on the soil surface as a tritium labelled
simulated precipitation (30-60 mm). Three plot...
Groundwater Discharge through Springs with Well-Defined Outlets A Case Study from Jeløya–Moss,S. Norway
Groundwater Discharge Well-Defined Outlets Jelø ya–Moss
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2009/10/28
From the area of JeLya - Moss, southern Norway, five springs draining
fissured-rock aquifers, and one artesian well draining confined water from a
sand and gravel aquifer were studied during the yea...
The Application of Radioactive Tracers for Determination of Bed-Load Transport in Alluvial Rivers
Radioactive Tracers Bed-Load Transport Alluvial Rivers
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2009/10/28
Radioactive isotopes have been applied for determining the transport rate of
bed load in an alluvial river on the basis of: centroid velocity of the tracer
particles, size and material-transporting ...
Acid Groundwater
Acid Groundwater concentrations of aluminum
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2009/10/28
Studies of the groundwater flow and quality around the lakes Bredvatten and
Lysevatten have shown, that the increased concentrations of aluminum in acid
lake water is caused by acid groundwater, and...
Aluminium in Groundwater Possible Solution Equilibria
Aluminium Groundwater Solution Equilibria
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2009/10/28
Recent investigations in the west coast region of Sweden has revealed the
occurrence of groundwaters with a pH of around 4 and, further, alarmingly
high concentrations of soluble aluminium. The reas...
Seasonal Fluctuations of Physical and Chemical Parameters of a Weir Basin in a Regulated West Norwegian River
Seasonal Fluctuations Physical Chemical Parameters Weir Basin
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2009/10/28
Both before (1967-69) and after (1976-78) the regulation of the river Ekso in
western Norway, physical and chemical analyses were made of the river water.
After the regulation water samples for chem...
The environmental isotope oxygen-18 was used as a tracer to separate stream
discharge into flows originating from groundwater and fresh meltwater. Two,
mainly forested, watersheds (areas 6.6 and 4.0...
Relationships between Precipitation Chemistry,Hydrology,and Runoff Acidity
Relationships Precipitation Chemistry Hydrology Runoff Acidity
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2009/10/28
High precipitation amounts of strongly varying ionic composition make the
western parts of southern Norway well-suited for studies of certain relationships
between precipitation chemistry, hydrology...
Meltwater Hydrology and Hydrochemistry in Snow- and Ice-Covered Mountain Catchments
Meltwater Hydrology Hydrochemistry Snow- and Ice-Covered Mountain Catchments
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2009/10/28
Electrical conductivity, a surrogate measure of total dissolved solids content,
and discharge of meltwaters draining from two adjacent contrasting watersheds
in the Rocky Mountains, Canada, were rec...
Isotope Input into Runoff Systems from Melting Snow Covers
Isotope Input Runoff Systems Melting Snow Covers
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2009/10/28
Stable environmental isotope techniques contribute to reasonable separations
of the direct runoff component in snowmelt hydrographs. For the separation
procedure, the actual isotope input from snow ...
Environmental Isotope Studies of an Alpine Snowpack
Environmental Isotope Studies Alpine Snowpack
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2009/10/28
At the experimental plot of Weissfluhjoch in Switzerland, 2,540 m a d . ,
tritium, deuterium and oxygen-18 have been used to study exchange processes
during the build-up and ablation of the snow cov...
Infiltration Rates of Rainwaters in Sri Lanka Measured by Using Tritium Tracer
Infiltration Rates Rainwaters Sri Lanka Tritium Tracer
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2009/10/28
Tritium tracer, injected below the surface soil, is used to follow the movement
of soil moisture in the unsaturated zone at several geo-hydrologically different
sites in Sri Lanka. Depth profiles of...
Runoff Chemistry at a Mini-Catchment Watered with Unpolluted Precipitation
Runoff Chemistry Mini-Catchment Unpolluted Precipitation
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2009/10/28
600 mm of artificial, "unpolluted" precipitation with a chemical composition
of assumed preindustrial quality ((HC] = 9 peql-I. ISO,] = 11 peql-') was
sprayed on a "mini-catchment" (98 m2) over a pe...