Techa
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| Techa | |
|---|---|
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| Native name | Template:Native name checker |
| Location | |
| Country | Russia |
| Physical characteristics | |
| Mouth | Iset |
• coordinates | Lua error: callParserFunction: function "#coordinates" was not found. |
• elevation | Template:Infobox river/calcunit |
| Length | Template:Infobox river/calcunit |
Basin size | Template:Infobox river/calcunit |
| • minimum | Template:Infobox river/calcunit |
| • average | Template:Infobox river/calcunit |
| • maximum | Template:Infobox river/calcunit |
| Basin features | |
| Progression | Iset→ Template:RTobol |
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The Techa (Template:Langx, Script error: No such module "IPA".) is an eastward river on the eastern flank of the southern Ural Mountains noted for its nuclear contamination. It is 243 kilometres (151 mi) long, and its basin covers 7,600 square kilometres (2,900 mi2).[1] It begins by the once-secret nuclear processing town of Ozyorsk about 80 kilometres (50 mi) northwest of Chelyabinsk and flows east then northeast to the small town of Dalmatovo to flow into the mid-part of the Iset, a tributary of the Tobol. Its basin is close to and north of the Miass, longer than these rivers apart from the Tobol.
Water pollution
From 1949 to 1956 the Mayak complex[2] dumped an estimated 76 million cubic metres (2.7×109 cu ft) of radioactive waste water into the Techa River,[3] a cumulative dispersal of 2.75 MCi (102 PBq) of radioactivity.[4]
As many as forty villages, with a combined population of about 28,000 residents, lined the river at the time.[5] For 24 of them, the Techa was a major source of water; 23 of them were eventually evacuated.[6] In the past 45 years, about half a million people in the region have been irradiated in one or more of the incidents,[5][7] exposing them to as much as 20 times the radiation suffered by the Chernobyl disaster victims.[3]
The Tobol is a sub-tributary of the Ob, being linked by the final part of the Irtysh; all three flow generally north.
See also
- Pollution of Lake Karachay
- List of most-polluted rivers
- Water pollution
- Plutopia
- Ozyorsk, Chelyabinsk Oblast
- Semipalatinsk Test Site
References
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- ^ Template:GVR
- ^ Techa River Script error: No such module "webarchive".
- ^ a b CHELYABINSK "The Most Contaminated Spot on the Planet" – a documentary film by Slawomir Grunberg – Log In Productions – distributed by LogTV LTD
- ^ Page Module:Citation/CS1/styles.css has no content.Pike, John. "Chelyabinsk-65 / Ozersk Combine 817 / Production Association Mayak". GlobalSecurity.org. Retrieved 29 September 2010.
- ^ a b Page Module:Citation/CS1/styles.css has no content."Radioactive Contamination of the Techa River and its Effects". Archived from the original on 15 March 2005. Retrieved 6 March 2008.
- ^ Page Module:Citation/CS1/styles.css has no content.Clay, Rebecca (April 2001). "Cold War, Hot Nukes: Legacy of an Era". Environmental Health Perspectives. 109 (4). National Institute of Environmental Health Sciences: a162–a169. doi:10.1289/ehp.109-a162. PMC 1240291. PMID 11335195. Archived from the original on 2 June 2010. Retrieved 29 September 2010.
- ^ Page Module:Citation/CS1/styles.css has no content.Zaitchik, Alexander (8 October 2007). "Inside the Zone". The Exile. Archived from the original on 2 December 2022. Retrieved 29 September 2010.
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