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Classification of lakes and their water regime #001


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The life of the rivers of the Volkhov region is closely connected with the lakes. They give rise to such large rivers as the Msta, Lovat, Polist, and the Volkhov itself flows out of the lake. Look at the geographical map: the upper reaches of the Sudoma, Uvera and a number of small rivers of the Valdai Upland look like strings of blue beads. Some rivers flow through fairly large bodies of water. For example, Berezaika — through Lake Piros, Valdaika — through Lake Dinner, Tsna — through the Vyshnevolotsky reservoir, Emenka — through Lake Nevelskoye. The narrow, flat watersheds of the Volkhov basin make it relatively easy to transfer water stored in lakes from the catchment of one river to the catchment of another. To replenish the Msta River with water, for example, the Libya River, which flows into Lake Shlino, was connected by a canal to Lake Linen in the 19th century, and the source of the Yavoni River flowing out of Lake Linen was blocked by a dam. Since then, the waters of Lake Linen, which previously fed the Floor, have been flowing to the Vyshnevolotsky reservoir. Some lakes in the Volkhov catchment area are watershed. This is, for example, Lake Lokno (2.6 km2). The Lokonka River flowing from it belongs to the Lovati basin, but in spring, at high water, the lake also carries the Ouse River from the Sheloni basin. The way to the waters of Lake Lokno to Sheloni was blocked only after the construction of a hydroelectric dam at the source of the Uza River. Lake Podolia (1.7 km2) is a watershed for the rivers Vavali and Komarikha, Lake Limandrovo (2.6 km2) - for Velgia and Limandrovka, Lake Zamoshskoye (1.2 km2) - for Pestivka and Osiyka. Most of the lakes in the Volkhov basin owe their birth to the glacier. The deepest reservoirs with a well-defined basin, such as Lake Valdai, Lake Velye, and Lake Udomlya, probably originated in crustal faults that existed before the Glacial period. Long and narrow lakes, similar to a river flood, such as Lake Linyanoe, formed on the site of ancient streams.


Lakes with basins of indeterminate, often very intricate configurations appeared in depressions plowed by the glacier, among moraine hills and ridges, for example, lakes Mstino, Shlino. The depth of such reservoirs usually does not exceed 5-10 m. It is found among the hills of the Volkhov basin and another type of glacial lakes — kama. Kamov lakes are most often small, rounded reservoirs with steep sandy shores and very clear water, resembling the color of the sea. They appeared in those places where the huge pieces of ice left over from the glacier began to melt, but the water, having met the water-resistant layer, could not seep deep into the earth. Most of the kama lakes are located on the Valdai upland in the Msta basin, but they also occur in other places. In the private Volkhov basin, for example, there is a group of stone lakes near the Budogoshch railway station — Lake Zelenoe and others. The reservoirs lying among the vast swampy massifs in the central and southwestern part of the Volkhov basin were also mostly formed during the melting of the glacier. All options here FairPari.com voucher codes with FAQ.

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