Sjas
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Sjas Сясь, Säsjoki |
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| Data | ||
| Water code | RU : 01040300112102000018037 | |
| location | Novgorod Oblast , Leningrad Oblast ( Russia ) | |
| River system | Neva | |
| Drain over | Neva → Baltic Sea | |
| origin | Lake Ladoschskoje ( Valdai Heights ) 59 ° 3 ′ 41 ″ N , 33 ° 34 ′ 39 ″ E |
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| Source height | approx. 120 m | |
| muzzle | near Sjasstroi in Lake Ladoga Coordinates: 60 ° 9 ′ 10 ″ N , 32 ° 29 ′ 19 ″ E 60 ° 9 ′ 10 ″ N , 32 ° 29 ′ 19 ″ E |
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| Mouth height | 4 m | |
| Height difference | approx. 116 m | |
| Bottom slope | approx. 0.45 ‰ | |
| length | 260 km | |
| Catchment area | 7330 km² | |
| Outflow location: 27 km above the mouth |
MQ |
53 m³ / s |
| Right tributaries | Voloschba , Tikhwinka | |
| Small towns | Syasstroi | |
 River a few kilometers above Sjasstroi |
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The Sjas ( Russian Сясь , Finnish Säsjoki ) is a tributary of Lake Ladoga in northwestern Russia .
It rises in the swamps below the western slope of the Valdai Heights in Novgorod Oblast . The river continues its course through Leningrad Oblast and flows into southern Lake Ladoga about 11 kilometers east of the Volkhov River . Near its mouth, it is directly connected to the Swir , Volkhov and Neva rivers by canals running parallel to the lakeshore (Old and New Ladoga Canal ) ; at its central reaches near Tikhvin it is connected to the Tikhvin canal system via canals . This creates a navigable connection to the Volga . The river forms a closed ice cover in the winter months, and it will be navigable again from April.
Its length is 260 kilometers with a catchment area of around 7330 km², its mean water flow at the lower reaches, 27 kilometers above the mouth, amounts to 53 m³ / s.
Web links
Individual evidence
- ↑ a b Sjas in the State Water Register of the Russian Federation (Russian)
- ↑ a b c d Article Sjas in the Great Soviet Encyclopedia (BSE) , 3rd edition 1969–1978 (Russian)