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词条 Ticha Reservoir
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  1. References

{{Infobox lake
| name = Ticha Reservoir
| image = Ticha 15.jpg
| caption =
| image_bathymetry =
| caption_bathymetry =
| location = Varbitsa Municipality, Shumen Province, Bulgaria
| coords = {{coord|43|2|37|N|26|45|4|E|type:waterbody_region:BG|display=inline,title}}
| type = reservoir
| inflow = Golyama Kamchia
| outflow = Golyama Kamchia
| catchment =
| basin_countries = Bulgaria
| length ={{convert|14|km|abbr=on}} (plus second arm)
| width = {{convert|1|km|abbr=on}}
| area = {{convert|1870|ha|abbr=on}}
| depth =
| max-depth = {{convert|40|m|abbr=on}} (from differences in level)
| volume = {{convert|311.800|hm3|acre.ft|abbr=on}}
| residence_time =
| shore =
| elevation = {{convert|185|m|abbr=on}}
| islands =
| cities =
}}Ticha Reservoir ({{lang-bg|язовир Тича}}, yazovir Ticha) is a reservoir in Varbitsa Municipality, Shumen Province, northeastern Bulgaria, located to the north and northeast of the town of Varbitsa. It is one of the largest lakes of Bulgaria. The Ticha Dam is located in the northeastern part of the reservoir, in the southeastern part of Kotel Mountain.[1]

The reservoir lies along the Golyama Kamchia River, one of the two rivers that merge to form the Kamchia.[2] Before entering the reservoir, the river gathers waters from the hilly Gerlovo region.[3] The name of the reservoir is derived from the medieval name of the Kamchia: the Ticha.[2][4]

According to some measurements, it is the third-largest reservoir in Bulgaria.[5] By design, the Ticha Reservoir is used mainly for irrigation;[6] the total area which the reservoir can irrigate is {{convert|32918|ha|km2}}.[7] The Ticha Reservoir's total volume amounts to {{convert|311800000|m3|ft3|abbr=on}}.[8] The construction of the reservoir meant that two villages, Vinitsa and Staroselka, were depopulated and flooded; their commons now lie within the reservoir.[3]

The dam overflowed in July 2005 and July 2010, threatening the surrounding villages and land. Due to this, the water level of the reservoir is closely monitored and dykes have been built.[5] Unlike the 2005 flood, which caused significant damage in the village of Byal Bryag, the 2010 overflow did not lead to floods in the neighbouring populated places.[9]

In February 2010, the tap water in Shumen, which comes from the Ticha Reservoir, was declared unsuitable for drinking as a result of the presence of E. coli strains.[10]

References

{{Commons category|Ticha Dam}}
1. ^{{cite web|url=http://birdsinbulgaria.org/ovm.php?l=en&pageNum_Ovm_All=0&totalRows_Ovm_All=113&id=29|title=Important Bird Areas: Kotlenska Mountain|publisher=Birds in Bulgaria|accessdate=19 January 201}}
2. ^{{cite book |title=Българска енциклопедия А-Я |publisher=БАН, Труд, Сирма |language=Bulgarian |year=2002 |chapter=КАМЧИЯ (в древността: Панисус, през средновековието: Тича) |isbn=954-8104-08-3 }}
3. ^{{cite web|url=http://www.shumen.dag.bg/struct/lang/1/type/L/id/191/unit_single|title=ДЛС Преслав|publisher=Регионална дирекция по горите Шумен|language=Bulgarian|accessdate=19 January 2011}}
4. ^{{cite web|url=http://www.bluelink.net/water/chmr/kamchia/obshti_hidrl_danni.htm|title=Камчия: Общи хидроложки данни|publisher=BlueLink|accessdate=19 January 2011|deadurl=yes|archiveurl=https://web.archive.org/web/20081005165453/http://www.bluelink.net/water/chmr/kamchia/obshti_hidrl_danni.htm|archivedate=5 October 2008|df=dmy-all}}
5. ^{{cite web|url=http://www.btv.bg/news/bulgaria/bedstvia-avarii/story/1706966408-Yazovir_%E2%80%9ETicha_preliva.html|title=Язовир "Тича" прелива|date=2010-07-11|publisher=bTV|language=Bulgarian|accessdate=19 January 2011}}
6. ^{{cite book|last1=Knight|first1=C. Gregory|last2=Raev|first2=Ivan|last3=Staneva|first3=Marieta P.|title=Drought in Bulgaria: a contemporary analog for climate change|url=https://books.google.com/books?id=9dh8LKIKAGYC&pg=PA103&dq=ticha+reservoir&hl=en&ei=Pcg2TY7PAsuF5AbuwcmdAw&sa=X&oi=book_result&ct=result&resnum=1&ved=0CCMQ6AEwAA#v=onepage&q=ticha%20reservoir&f=false|year=2004|publisher=Ashgate Publishing|isbn=978-0-7546-4215-2|page=103}}
7. ^{{cite web|url=http://www.bluelink.net/water/chmr/kamchia/napoiavane.htm|title=Напояване|publisher=BlueLink|language=Bulgarian|accessdate=19 January 2011}}
8. ^{{cite web|url=http://www.irrigationsystems.bg/Shumen.html|title=НАПОИТЕЛНИ СИСТЕМИ ЕАД — клон Шумен|publisher=НАПОИТЕЛНИ СИСТЕМИ ЕАД|language=Bulgarian|accessdate=19 January 2011}}
9. ^{{cite news|title=Язовир "Тича" прелива, няма опасност за населението|url=http://www.dnevnik.bg/bulgaria/2010/07/12/931518_iazovir_ticha_preliva_niama_opasnost_za_naselenieto/|date=2010-07-12|work=Дневник|publisher=Икономедиа|language=Bulgarian|accessdate=19 January 2011}}
10. ^{{cite news|url=http://www.dnevnik.bg/bulgaria/2010/02/19/861454_vodata_v_shumen_e_negodna_za_piene/|title=Водата в Шумен е негодна за пиене|work=Дневник|publisher=Икономедиа|language=Bulgarian|accessdate=19 January 2011}}
{{Use dmy dates|date=January 2012}}{{Varbitsa}}

2 : Reservoirs in Bulgaria|Landforms of Shumen Province

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