Tafkin Abbe, wanda aka fi sani da Tafkin Abhe Bad, tafkin gishiri ne, yana kwance a kan iyakar Habasha da Djibouti. Yana daya daga cikin jerin manyan tabkuna guda shida masu hadewa, wadanda suka hada da (daga arewa zuwa kudu) tabkunan Gargori, Laitali, Gummare, Bario da Afambo. Kogin Awash yana gudana a cikin tafkin da babu lambatu. Tafkin Abbe shine tsakiyar Yankin Cutar Afar.[1] Tabkin Abbe yana ɗayan wuraren da ba za a iya samunsu a duniya ba. Ruwan kansa an san shi da flamingos. Yanayin shimfidar wuri ne na musamman.

BayaniGyara

 
Chimneys kusa da Tafkin Abbe

Tafkin Abbe shine makoma ta ƙarshe ta ruwan Kogin Awash. Ya ta'allaka ne a Afar Triple Junction, wurin taro na tsakiya na ɓawon ɓaɓɓake na Earthasa, wanda ke bayyana fasalin ɓacin rai na Afar. Anan ɓawon ɓawo guda uku kowane ɗayan yana janyewa daga wannan mahimmin yanki, ko da yake ba duka yake da sauri ɗaya ba.[2]

A gefen arewa maso yamma Dutsen Dama Ali (1069 m) ya hau, dutsen da ke daddawa, yayin da gefen kudu maso yamma da kuma kudu ya fadada manyan gishiri, kilomita 10 a fadi. Baya ga Awash, masu arzikin tafkin Abbe sun hada wadis biyu, Oleldere da Abuna Merekes, waɗanda ke shiga tafkin daga yamma da kudu, suna ratsa ɗakunan gishirin. Ko da yake wurin bude ruwan tafkin a yanzu ya kai hekta 34,000 (kwatankwacin sq mi1,30), fari da kwanan nan da kuma fitar da ruwa daga Kogin Awash don ban ruwa ya sa matakin ruwan tafkin ya fadi. Zuwa shekarar 1984, yankin tabkin ya ragu zuwa kashi biyu bisa uku na yadda yake a shekarar 1940. A wannan lokacin kimanin kadada 11,500 (kadada 28,000) na gishirin gishiri sun yi kudu maso yamma na tafkin.[3] Tafkin Abbe tabki ne na tsabtace jiki; ruwan da ke dauke da gishirin ma'adinai suna gudana a ciki amma babu fitowar ruwa, kuma tsarkakakken ruwa yana danshi daga saman.[4] An kuma san shi da suna "tafkin kara kuzari", matakin ruwa yana canzawa sosai sakamakon amsar kananan canjin yanayi.[5]

 
Hoton Tauraron Dan Adam na Lake Abbe

Al’umar Afar sun kafa matsuguni kusa da gabar tafkin. Tabkin Abbe sananne ne saboda bakin hayakin dutse, wanda yake kaiwa mita 50 (kafa 160) kuma daga shi tururi yake fitowa.[6] Waɗannan baƙin hayaƙi na carbonate suna haɗuwa ne ta hanyar haɗuwa da ruwan tafki da kuma zurfin ruwa.[7][8] Hakanan za'a iya samun Flamingos akan ruwan.[9]

GalleryGyara

YanayiGyara

Yankin Tafkin Abbe yana ba sararin samaniya shekara da shekara busasshiyar iska. Tana da ƙasa da milimita 172 (inci 7) yana nufin ruwan sama na shekara-shekara da matsakaicin yanayin zafi tsakanin 30 da 40 °C (86 da 104 °F). Yanayin zafi a cikin watanni mafi sanyi tsakanin 21 zuwa 30 °C (70 da 86 °F) a kan matsakaita.

Climate data for Lake Abbe, Djibouti
Watan Janairu Fabrairu Maris Afrilu Mayu Yuni Yuli Ogusta Satumba Oktoba Nuwamba Disamba Shekara
Average high °C (°F) 30.4
(86.7)
30.8
(87.4)
32.9
(91.2)
35.0
(95.0)
38.0
(100.4)
40.4
(104.7)
39.9
(103.8)
38.6
(101.5)
37.5
(99.5)
35.0
(95.0)
32.3
(90.1)
30.8
(87.4)
35.1
(95.2)
Average low °C (°F) 20.1
(68.2)
21.8
(71.2)
23.2
(73.8)
25.0
(77.0)
27.2
(81.0)
29.3
(84.7)
27.4
(81.3)
27.0
(80.6)
28.0
(82.4)
24.3
(75.7)
21.7
(71.1)
20.4
(68.7)
24.6
(76.3)
Average precipitation mm (inches) 5
(0.2)
9
(0.4)
14
(0.6)
19
(0.7)
7
(0.3)
3
(0.1)
32
(1.3)
45
(1.8)
20
(0.8)
9
(0.4)
6
(0.2)
3
(0.1)
172
(6.9)
Source: Climate-Data.org, altitude: 251m[10]

ManazartaGyara

  1. Robert Mepham, R. H. Hughes, and J. S. Hughes, A directory of African wetlands, (Cambridge: IUCN, UNEP and WCMC, 1992), p. 166
  2. Beyene, Alebachew & Abdelsalam, Mohamed G. (2005). "Tectonics of the Afar Depression: A review and synthesis". Journal of African Earth Sciences. 41 (1–2): 41–59. doi:10.1016/j.jafrearsci.2005.03.003.
  3. Hughes, R.H. (1992). A Directory of African Wetlands. IUCN. pp. 443–447. ISBN 978-2-88032-949-5.
  4. Hammer, U. T. (1986). Saline Lake Ecosystems of the World. Springer. p. 15. ISBN 90-6193-535-0.
  5. Michael Schagerl (2016). Soda Lakes of East Africa. Springer. p. 8. ISBN 978-3-319-28622-8.
  6. Michael Schagerl (2016). Soda Lakes of East Africa. Springer. p. 32. ISBN 978-3-319-28622-8.
  7. Dekov, V.M.; Egueh, N.M.; Kamenov, G.D.; Bayon, G.; Lalonde, S.V.; Schmidt, M.; Liebetrau, V.; Munnik, F.; Fouquet, Y.; Tanimizu, M.; Awaleh, M.O.; Guirreh, I.; Le Gall, B. (2014-11-10). "Hydrothermal carbonate chimneys from a continental rift (Afar Rift): Mineralogy, geochemistry, and mode of formation" (PDF). Chemical Geology (in Turanci). 387: 87–100. doi:10.1016/j.chemgeo.2014.08.019. ISSN 0009-2541.
  8. Awaleh, Mohamed Osman; Hoch, Farhan Bouraleh; Boschetti, Tiziano; Soubaneh, Youssouf Djibril; Egueh, Nima Moussa; Elmi, Sikie Abdillahi; Mohamed, Jalludin; Khaireh, Mohamed Abdi (2015). "The geothermal resources of the Republic of Djibouti — II: Geochemical study of the Lake Abhe geothermal field". Journal of Geochemical Exploration. 159: 129–147. doi:10.1016/j.gexplo.2015.08.011.
  9. Nyla Jo Jones Hubbard (2011). Doctors Without Borders in Ethiopia: Among the Afar. Algora Publishing. p. 122. ISBN 978-0-87586-853-0.
  10. "Climate: Lake Abbe - Climate graph, Temperature graph, Climate table". Climate-Data.org. Retrieved 25 September 2016.

Hanyoyin haɗin wajeGyara

  • (in French) Photos of Lake Abbe
  • ILEC database entry for Lake Abbe
  • Recent trip to Lake Abbe with photos (English)
  • Photographs of the limestone chimneys of Lake Abbe, February 2015