The Kochechum (russian: Кочечум) is a river in
Siberia,
Russia, it flows through the
Syverma Plateau in
Krasnoyarsk Krai. It is a right and most significant tributary of the
Nizhnyaya Tunguska.
General information
The river is long, and its watershed covers .
The average
discharge
Discharge may refer to
Expel or let go
* Discharge, the act of firing a gun
* Discharge, or termination of employment, the end of an employee's duration with an employer
* Military discharge, the release of a member of the armed forces from serv ...
at the mouth is .
[Плато Путорана]
''Студенческий туристский клуб «Фортис»'' The part of its basin near the source lies on the southern slopes of
Putorana Plateau
The Putorana Plateau () or the Putorana Mountains is a mountainous area in the Russian Federation.
It is a large massif or plateau crossed by mountain ranges. The nearest large settlement is Norilsk, where foreign travel is restricted. The cit ...
. It flows to the south direction through
Syverma Plateau and joins
Nizhnyaya Tunguska near the town
Tura. The primary tributaries of the Kochechum are
Embenchime,
Tembenchi and
Turu.
The confluence of Kochechum and Nizhnyaya Tunguska corresponds to the farthest point of fairway section upstream off the
Yenisey.
Climatic conditions and water regime
The basin of the river entirely belongs to the zone of continental subarctic climate. Winter period starts in October and ends in May, during calendar winter temperatures can plummet below . Due to average temperatures below freezing in this area, its watershed belongs to the region of continuous
permafrost
Permafrost is ground that continuously remains below 0 °C (32 °F) for two or more years, located on land or under the ocean. Most common in the Northern Hemisphere, around 15% of the Northern Hemisphere or 11% of the global surface ...
with a frozen layer that varies in depth between . The permafrost effectively blocks any underground supply; all water flowing through the river comes from snow and rain. The river stays ice-bound from October to May or June every year.
As watershed area does not contain any significant lakes. The flow of the Kochechum strongly depends on the season, approaching zero in early spring and reaching its maximum in June.
Физическая география России
''Часть 2, стр.151'' The latter month corresponds to a seasonal inundation, which usually produces 75 percent of the overall annual yield of water.
References
External links
''sci-lib: Great Soviet Encyclopedia''
Rivers of Krasnoyarsk Krai
{{Russia-river-stub