The Features of Morphology and Hydrological Regime of Lakes in the Yamal-Nenets Autonomous District

About the authors:

Larisa V. Pereladova, Cand. Sci. (Geogr.), Аssociate Рrofessor, Department of Physical Geography and Ecology, Tyumen State University; lora-geograf@mail.ru

Anna A. Kormiltseva, Master Degree Student, Institute of Earth Sciences, Tyumen State University; kormiltseva.an@yandex.ru

Abstract:

This paper presents the results of cartographic and archive data on morphology and regime of several lakes in the Yamal-Nenets autonomous district. The hydrological structure of the district is not studied properly because of the severe climate and marshiness in the area, which restrains reclamations of the lakes. In this research we have calculated morphometrical index for 16 lakes located in the catchment of the rivers Vyngapur, Tatlyakhayaha, Pyakpur in the interfluves of the Messoyakha and Shchuchya rivers. We have come to the conclusion that lake basin genesis, its morphometry, hydrological regime features depend on natural factors such as rock composition, flat relief, permafrost, excessive humidity, big number of rivers and wetlands. All the lakes studied in Yamal-Nenets autonomous district have been classified according to the surface area and index of lake oblongness.

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