6 Natural and Anthropogenic Lakes of River Valleys
91
Fig. 6.2 Oxbow lakes typology according to [28]: a simple, b compound, and c complex
Fig. 6.3 Oxbow lakes typology according to [28]: a open, b normal, and c closed
The criterion determining the lake’s belonging to the group was the index of
shoreline development, allowing to determine the degree of closure (or opening) of
the lake basin. The open lakes had arms exposed in the direction of river waters
supplying them and resembled the elongated letter ‘c’ in shape. Normal lakes were
typical moon-shaped meandering lakes. Closed lakes, on the other hand, were water
reservoirs with connected arms (Fig. 6.3c).
Division by ratio of bathymetric parameters
Floodplain lakes are generally characterized by their considerable length and narrow
width. The basis for the next classification of floodplain lakes in the period of
limnophase according to [19] was the index being the quotient of the length and
width of the reservoir. They separated two groups of lakes:
– channel lakes, in case of which the size of the index was higher than five. Lakes
of this type were characterized by rapid water exchange, mainly based on fluvial
supply and short retention time.
91
Fig. 6.2 Oxbow lakes typology according to [28]: a simple, b compound, and c complex
Fig. 6.3 Oxbow lakes typology according to [28]: a open, b normal, and c closed
The criterion determining the lake’s belonging to the group was the index of
shoreline development, allowing to determine the degree of closure (or opening) of
the lake basin. The open lakes had arms exposed in the direction of river waters
supplying them and resembled the elongated letter ‘c’ in shape. Normal lakes were
typical moon-shaped meandering lakes. Closed lakes, on the other hand, were water
reservoirs with connected arms (Fig. 6.3c).
Division by ratio of bathymetric parameters
Floodplain lakes are generally characterized by their considerable length and narrow
width. The basis for the next classification of floodplain lakes in the period of
limnophase according to [19] was the index being the quotient of the length and
width of the reservoir. They separated two groups of lakes:
– channel lakes, in case of which the size of the index was higher than five. Lakes
of this type were characterized by rapid water exchange, mainly based on fluvial
supply and short retention time.