Tabkin Bosumtwi

250px|right|thumbnail|Tafkin  Bosomtwe 
Tabkin Bosumtwi shi ne kawai tabkin da ke Ghana. Tana cikin tsohuwar dutsen da ke da tasiri kusan kilomita 10.5 (6.5 mi) a diamita. Yana da kusan kilomita 30 (mil 19) kudu maso gabas na Kumasi babban birnin Ashanti kuma sanannen yanki ne na shakatawa. Akwai kusan kauyuka 30 kusa da bakin tafkin Bosumtwi, tare da yawan mutanen da ke cikin kusan Ashanti 70,000. Mafi mashahuri tsakanin ƙauyukan da yawancin masu yawon bude ido ke sauka shine Abono.

Ashanti suna ɗaukar Bosumtwi a matsayin tafki mai tsarki. Bisa ga al'adun gargajiya, rayukan matattu suna zuwa nan don yin ban kwana da Allahiya Asase Ya. Saboda wannan, ana ɗaukar halal ne a cikin tabkin kawai daga katako. Daga cikin nau'ikan kifayen da ke cikin tabkin akwai Hemichromis frempongi wanda yake shi ne cichlid, da kuma cichlids na kusa-kusa-karshen Tilapia busumana da T. discolor.

 Tasirin bakin dutse 
link=https://en.wikipedia.org/wiki/File:Figure_2_PX_of_PDFs.jpg|thumb|Abubuwan fasalin Planar daga ramin tasirin Bosumtwi wanda ake bayyane a karkashin na'urar hangen nesa da sikanin lantarki.
Kogin Bosumtwi tasirin rami yana da kilomita 10.5 (mi 6.5) a faɗi, ya ɗan fi girma fiye da tafkin yanzu wanda yake kusan kilomita 8 (5.0 mi) a ƙetaren, kuma an kiyasta shekarunsa sun kai miliyan 1.07 (zamanin Pleistocene). Akwai ka'idar kirkirar ra'ayi wacce ta haɗa wannan taron da gajeren lokacin Jaramillo geomagnetic juyawa.

Zurfin rafin ya kai kimanin 380 m (1,250 ft), amma, idan aka ƙidaya tare da zurfin tabkin - 750 m (2,460 ft).

Ramin ya rabu da wani ɓangare, kuma yana cikin dutsen dazuzzuka mai yawa, yana mai da wuya a yi nazari da tabbatar da asalinsa ta tasirin meteorite. Abubuwan firgitawa kamar su farfasa cones yawancin ciyayi sun mamaye su ko kuma tabkin ya rufe su. Ko yaya, hawan ƙwanƙolin tsakiyar dutse daga ƙasan tafkin kwanan nan ya samar da wadatattun abubuwa masu gigicewa don binciken kimiyya. Tektites, an yi imanin daga wannan tasirin ne, ana samun su a cikin makwabciyar ƙasar ta Ivory Coast, kuma an sami microtektites masu alaƙa da su a cikin zurfin teku a yammacin Afirka.

Wani aiki wanda ya danganci nazarin ilimin lissafi game da lissafin lambobi da suka gabata na tasirin tasirin ya tabbatar da cewa yiwuwar asalin mai tasiri shine asteroid da ke zuwa daga babban bel-bel a babban buri (> digiri 17).

 Tarihin yanayi 
Kafin tasirin asteroid, yankin ya kasance bishiyar daji mai cike da dabbobi. Bayan tasirin hakan, sakamakon ramin da aka samu ya cika da ruwa da ya kafa tafkin Bosumtwi.

Lokaci na ruwan sama kamar da bakin kwarya ya cika ramin da ruwa, wanda ya sa matakin tabkin ya haura zuwa saman wuraren da ke kasa. Irin waɗannan lokuttan ana bayyane su ne daga burbushin kifin da aka samo akan tsaunuka. Ruwa ma ya kwarara daga kwatancen ta wata tashar da ta malala. Ko yaya, akwai wasu lokutan da matakin ruwa ya yi ƙasa ƙwarai har da dazuzzuka ya shiga cikin tafkin yana ba da tabkin ƙaramin tabki kawai. Irin wannan lokacin, bisa ga labari kuma yanzu an tabbatar dashi ta bayanan paleoclimate, ya kasance har kusan shekaru 300 da suka gabata.

 Tarihin ɗan adam 
Labaran ya ce a shekara ta alif 1648 wani maharbin Ashanti mai suna Akora Bompe daga garin Asaman yana bin wata dabbar da ta ji rauni ta cikin dajin. Ba zato ba tsammani, dabbar ta ɓace a cikin ƙaramin kandami. Ya zama kamar wannan jikin ruwa yana so ya ceci ran dabba. Mafaraucin bai sami ɓarna ba, duk da cewa ya zauna kusa da ruwa kuma ya fara kama kifi. Wannan wurin ya sanya masa suna "Bosomtwe", ma'ana "allahn gori". Wannan labarin yana nuna cewa a wancan lokacin matakin tafki yayi kasa sosai. Manyan bishiyoyin da ke tsaye a bakin teku a cikin tabki suma sun tabbatar da haka, don sun fi shekaru 300 da haihuwa.

Karnukan da suka biyo baya sun ga yaƙe-yaƙe da yawa game da tabkin yayin da duka Ashanti da Akim suka yi arangama, kowanne yana da'awar yankin. Ashanti yayi nasara. Kowane ƙauye da ke yankin tafkin yana da wurin bautar kansa ko ɗan kurmi. Da zuwan Kiristanci, wasu mutane sun bar abin da suka yi imani da shi,duk da cewa da yawa suna ci gaba da neman taimakon gargajiya a cikin mummunan lokaci ko kuma kan cututtuka.

Dutse na Abrodwum ana riƙe shi don zama cibiyar ruhaniya na tafkin. Anan, idan aka sami irin wannan mummunan kamun kifi ana daukar shi mummunan yanayi, mutanen tafkin suna yanka saniya. An yi bikin wannan aikin a gaban ɗaukakarsa, sarki Ashanti, da Asantehene kansa. A cikin bikin, ana ba da cikin saniya ga dutsen kuma sauran a jefa cikin kogin. Jama'ar sun ruga cikin ruwa tare da adduna da gatari don su sami rabon naman. Wannan lamari ne mai matukar daraja. Ko yaya, kamar yadda irin wannan yanayin ya dogara da dalilai daban-daban, da ƙyar ake iya faɗi.

Akwai haramtacciyar al'ada game da taɓa ruwa da ƙarfe kuma ba a ɗauka jiragen ruwa na zamani da suka dace ba. Padua, katako na katako yana buƙatar ƙwarewar kwarewa don motsawa, ita ce hanyar halal. Sauran taboo kamar rashin wanka, wanka ko jifan abubuwa masu amfani da ruwa a cikin Tafkin da a da ana tsananin kiyaye su, sun taimaka wajen kiyaye tsabtar da lafiyar Tabkin. Abin takaici, mazauna ko baƙi ba sa lura da waɗannan maganganun saboda raunin aiwatarwa da Majalisar Gargajiya ta Abono.

Akwai damuwa a halin yanzu game da muhalli, gami da kamun kifi da kuma hanyoyin wadataccen noma. Karuwar jama'a ya karu da neman kifi. Yawan kamun kifi ya haifar da raguwar kamun kifi a hankali, wanda hakan ya tilasta dogaro ga noma. Kamar yadda da yawa daga tsaunuka suke juyewa zuwa ƙasar noma, suna fallasa farfajiyar ruwan sama mai ƙarfi, zaizayar ƙasa ta zama matsala mafi girma. Bugu da kari akwai canje-canjen ruwa. Kauyuka da yawa an nutsar da su sau da yawa wanda ke tilasta wa mutane hawa kan tudu ko wajen ƙasan. Wannan shine asalin irin waɗannan sunaye biyu kamar Pipie No.1 da Pipie No.2.

Tekun sanannen yanki ne na shakatawa tare da mutanen gida don iyo, kamun kifi da tafiye-tafiye na jirgin ruwa. Villageauyen da ke gefen tafkin Amakom yana da ƙaramin asibiti tare da likita wanda ke zaune a kan layi, wanda ake kira da Lake Bosumtwi Methodist Clinic, yana ba da sabis na gaggawa ta jirgin ruwa da motar asibiti 4x4.

 Nassoshi 

Category:Tabkuna