Nadym River

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Catchment area of ​​Nadym

Template: Infobox River / Obsolete

The Nadym (Russian Надым ) is a 545 km long tributary of the Kara Sea in western Siberia (Russia, Asia).

Course

The Nadym entfließt in the 105 m at the Siberian ridge ( Sibirskije Uwaly ) in the northwest of the West Siberian Plain located Numtosee. The river flows through the lowlands first northeasterly, then northwesterly direction to its confluence with the Obbusen the Kara Sea, just a little east of the mouth of the Ob. Above the mouth of the river has formed together with the coming of the Great East Jarudei ( Bolshoi Jarudei ) and other tributaries an approximately 1500 km ² large delta, which is partly tidal and wind amazed subject.

The most important tributaries of the left left Chetta ( Lewaja Chetta, length 357 km ), Cheigijacha ( Longjugan ) and Jarudei, as well as from right Simijegan, Tanlowa and rights Chetta ( Prawaja Chetta ).

The origin of the Nadym lies directly on the border of the Khanty-Mansi Autonomous District; otherwise it flows through its entire length, the territory of the Yamal-Nenets Autonomous Okrug.

Hydrographic

The catchment area of ​​64,000 km ² Nadym includes, of which 5570 km ² accounts for more than 40,000 lakes, of which only five are larger than 10 km ², however. The river is in mouth close up to 400 meters wide; the flow rate is in this case 0.1 m / s

The average discharge is in estuary near 590 m³ / s, with the city Nadym, 110 kilometers above the mouth and above the Delta still 458 m³ / s at a minimum of 136 m³ / s in March and a maximum of 1682 m³ / s in June.

The Nadym freezes up between October and the end of May.

Economy and infrastructure

The Nadym is navigable to the lower 123 kilometers from the city named after him Nadym.

The catchment area is the large natural gas deposit Medweschje. The river is full of fish, for example, to Peledmaränen.

With the exception of the area around the city Nadym flowed through the territory is sparsely populated. End of the 1940s began with the construction of the Arctic Circle railway, which should cross the river in the area of ​​at that time not yet existing city Nadym. The bridge was never built in the 1950s, remained unfinished route, however, until the early 1980s prepared on the section east of Nadym for freight. It was at settlement Stary Nadym ("old Nadym ", today the few kilometers distant from the opposite bank Nadym district ) good six kilometers downstream out of the originally planned crossing of the river approach.

Along the Nadym and its tributary the left Chetta reached a coming of Beloyarsky street, the city Nadym. A planned fixed road bridge has not been built: in the summer the traffic is passed over a pontoon bridge in winter over the ice of the river.

South of the city Nadym the river is crossed by a series of pipelines leading from the North West Siberian oil and gas fields in the European part of Russia and on to Western Europe (and Urengoy Center I and II, Urengoy - Uzhgorod, Jamburg - Yelets I and II, "Progress", Jamburg - Tula I and II, Jamburg - Povolzhye ).