Pyasina
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Piassina
La Piassina (en russe : Пясина) est un fleuve long de 817 km situé dans le nord est de la Sibérie en Russie asiatique.
Géographie
Son bassin a une superficie de 182 000 km² et est couvert de plus de 60 000 lacs d'une superficie totale de 10 450 km².
La Piassina prend sa source 255 km au nord du cercle polaire arctique à l'ouest du massif de Poutorana et coule sur une courte distance vers l'ouest en direction de Norilsk. Elle continue ensuite vers le nord, épouse la frontière ouest de la péninsule de Taïmyr et se jette dans la mer de Kara (océan Arctique).
La Piassina est prise dans les glaces de fin septembre-début octobre jusqu'à juin.
La Piassina est un fleuve abondant. Il roule annuellement 84 milliards de m3 d'eau soit 2 660 m3 par seconde [1], ce qui correspond aux débits cumulés de la Loire et du Rhône français, tous deux en fin de parcours.
Voir aussi
Liens externes
Notes et références
Portail de la Russie
Portail de l’eau
Catégories : Cours d'eau du krai de Krasnoïarsk | Sibérie
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Contenu soumis à la licence CC-BY-SA. Source : Article Pyasina de Wikipédia en français (auteurs)
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