The Ambarnaya () is a river in

Siberia Siberia ( ; , ) is an extensive geographical region comprising all of North Asia, from the Ural Mountains in the west to the Pacific Ocean in the east. It has formed a part of the sovereign territory of Russia and its predecessor states ...

which flows in a northerly direction into Lake Pyasino. On leaving Lake Pyasino, the waters emerge as the river

Pyasina The Pyasina () is a river in Krasnoyarsk Krai, Russia. The river is long, and its drainage basin, basin covers . The Pyasina River originates in Lake Pyasino and flows into the Pyasino Gulf of the Kara Sea. There are more than 60,000 lakes ...

. It shares a common delta with the river Norilskaya. It is long, and has a

drainage basin A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, ...

of . The river is fed by rain and meltwater. It is shallow and its bed consists of

glacial moraine A moraine is any accumulation of unconsolidated debris ( regolith and rock), sometimes referred to as glacial till, that occurs in both currently and formerly glaciated regions, and that has been previously carried along by a glacier or ice s ...

– gravel and pebbles. It is heavily polluted by the mining industry of Norilsk, namely Nornickel, so fishing is no longer possible.

Diesel spill

In May 2020, 20,000

tonne The tonne ( or ; symbol: t) is a unit of mass equal to 1,000 kilograms. It is a non-SI unit accepted for use with SI. It is also referred to as a metric ton in the United States to distinguish it from the non-metric units of the s ...

s of

diesel fuel Diesel fuel, also called diesel oil, heavy oil (historically) or simply diesel, is any liquid fuel specifically designed for use in a diesel engine, a type of internal combustion engine in which fuel ignition takes place without a spark as a re ...

spilt into the river from a power plant. With a stretch of river seriously affected, Russia's president,

Vladimir Putin Vladimir Vladimirovich Putin (born 7 October 1952) is a Russian politician and former intelligence officer who has served as President of Russia since 2012, having previously served from 2000 to 2008. Putin also served as Prime Minister of Ru ...

, declared a state of emergency.

References

Rivers of Krasnoyarsk Krai {{Siberia-river-stub