Duk wani mai hawan ruwa ya taɓa jin labarin babbar igiyar ruwa a duniya. Labari ne game da raƙuman ruwa na Nazaré. Ana ɗaukar su a matsayin nau'ikan katuwar igiyar ruwa waɗanda suka karya tarihin Guinness na duniya don girman. Beastly raƙuman ruwa cewa kowane mai ba da fata yana mafarki wani lokaci. Koyaya, me yasa waɗannan manyan raƙuman ruwa ke faruwa?
A cikin wannan labarin zamu gaya muku menene raƙuman ruwa na Nazaré kuma me yasa suke faruwa.
Menene raƙuman ruwan Nazaré
Nazaré gari ne mai ƙanƙan gaske amma kyakkyawa inda yawancin masunta ke zaune. Ana samunsa a ciki yankin Fotigal kusan kilomita 100 arewa da Lisbon. Ba har sai shekaru da yawa da suka gabata mutane da yawa ba su sani ba. Koyaya, a yau wannan wurin sananne ne tun da akwai wuraren da manyan raƙuman ruwa ke ɓata. Kuma shine cewa waɗannan raƙuman ruwa suna da karfin fasa gaban hasken fitilarsa kuma suna da girma babba.
Ba wai kawai sananne ne ga masu surfe ba, amma ga kowane irin matafiya da masu yawon bude ido a wajen wannan wasan. Kuma wannan shine mafi girman raƙuman ruwa da aka taɓa hawa kuma ana ɗaukarsu tsaunukan ruwa na gaskiya. Akwai mutane da yawa waɗanda suke mamakin abin da ya sa ya faru a cikin irin wannan taguwar ruwa a wannan wuri. Zamuyi bayanin wannan ta hanya mai sauki.
Dole ne ku sani cewa raƙuman ruwa da yawa suna samuwa ta zurfin bambance-bambancen da ke akwai a cikin ilimin halittun ruwa. Mun sani cewa igiyar ruwa da bambancin yanayin zafi ko gishirin ruwa suna motsa ruwan teku. Sabili da haka, kamar yadda akwai manyan bambance-bambance a cikin zurfin tsakanin raƙuman nahiyoyi da kankara, akwai kwararar ruwa da ke haifar da manyan raƙuman ruwa.
Ana ɗaukar Kogin Nazaré a matsayin mafi tsananin kwazazzabo a kan dukkan tekun Turai kuma ɗayan mafi zurfin duniya. Su tsawo ya kai kimanin kilomita 230 da zurfin mita 5.000. Lokacin da guguwar iska mai karfi ta faru daga WNW da gabar Nazaré, wani al'amari mai ban sha'awa yana faruwa wanda ya haɗa da dalilai da yawa: babbar motar, yanayin ƙasa da yanayin bakin teku. A sakamakon haka, sun zama manyan raƙuman ruwa a duniya.
Tsarin raƙuman ruwa na Nazaré
Lokacin da aka karkatar da raƙuman ruwa zuwa gabar wannan garin, yawanci yakan girma cikin sauri tunda akwai canje-canje guda biyu na geomorphological da ke haifar da shi. Wadannan masu canjin yanayin kasa, wadanda suke asalin dabi'ar halittun ruwa ne da kuma saurin iska, sune suke haifar da wannan nau'in katuwar igiyar ruwa. Don ƙarin bayani game da wannan, bari muyi tunanin cewa Tekun Atlantika, yana da zurfin gaske, Ba zato ba tsammani, ya haɗu da "mataki" wanda ya rage zurfin teku kusan kwatsam. Wannan canjin zurfin tekun yana haifar da kumbura don matsawa da kuma yin sama.
Bugu da kari, wani bangare da ke haifar da irin wannan taguwar ruwa mai karfin gaske shi ne, ana yin jigilar ruwa a gabar teku ta hanyar arewa zuwa kudu. Wannan yanayin ruwan da yake zuwa ta hanyar raƙuman ruwa masu shigowa shine abin da ke ba da gudummawa don ƙara haɓaka haɓakar raƙuman ruwa da suka isa bakin teku. Don sakamako mafi girma, wasan baya, wanda aka fi sani da ruwan da aka tsara daga rairayin bakin teku zuwa tekun, zai ƙara tsinkayen raƙuman lamarin da incidentan mituna kaɗan. Duk waɗannan nau'ikan masu canji da yanayi suna yin su Ruwa na Nazaré yana riƙe da Guinness World Record don mafi girman raƙuman ruwa da aka taɓa hawa sama.
Ana iya cewa ƙirƙirar wannan nau'in taguwar ruwa mai girman gaske yana da tasirin sarkar. Na farko shine bambanci a cikin zurfin ilimin halittar ruwa. Wato, akwai yankuna masu duwatsu da kuma tekun teku waɗanda suke da halaye daban-daban waɗanda ke bambanta saurin da zurfin da raƙuman ruwa suke zuwa kuma canza wannan zurfin don dawowa. Wannan bambancin a cikin zurfin shine abin da ke haifar da ƙaruwa a tsayin igiyar ruwa kuma yayin da raƙuman ruwa suka haɗu tare da rafin, ruwan yankin yana ƙaruwa. Hanyar karshe a cikin sarkar ita ce wankan wankin da ke taimakawa don ƙara haɓaka matakin da tsayin igiyar ruwa.
Yadda ake annabta raƙuman ruwa na bakin teku
Idan kai ɗan tsutsa ne wanda ke tafiya zuwa sassa daban-daban na duniya don kama manyan raƙuman ruwa, hasashen waɗannan raƙuman ruwa yana da mahimmanci. Koyaya, auna taguwar ruwa a cikin teku yana da wahalar aiki fiye da yadda yake ji. Wannan shi ne saboda gaskiyar cewa akwai bambanci a tsayin da aka yi rijista da buoys kuma cewa ba zai yiwu a rarrabe kowane motsi daban-daban ba. Duk buoys suna haɗuwa kuma raƙuman ruwa suna zuwa daga wurare daban-daban. A sakamakon haka, anyi amfani da kumburin tekun da aka bude kuma aka auna shi ta amfani da kimar kididdiga. Wannan shine, ana amfani da ma'aunai don yin matsakaita sune girman raƙuman ruwa.
Sabanin haka, samun damar hango tsayin daka a yankunan bakin teku hanya ce ta kai tsaye. Kuma gaskiyar ita ce cewa dole ne raƙuman ruwa su bi hanyar fifiko yayin da suke tunkarar babban yankin. Rabuwa tsakanin raƙuman ruwa daban shine mafi kyawun ma'anar a bakin tekun buɗe teku. Sabili da haka, a sauƙaƙe kuna iya auna girman raƙuman ruwa a cikin Nazaré kuma ku kimanta yadda nisan raƙuman zai yi nisa. Don wannan, ana amfani da samfuran lissafi waɗanda suke la'akari da wasu sigogi kamar su karfin iska ne da kuma inda ya dosa. Har ila yau, dole ne ku yi la'akari da wasu masu canji kamar yanayin raƙuman ruwa, ƙyallen ƙasa da yanayin yanayin yankin da ake magana.
Waɗannan samfuran ba za su iya yin hango ko faɗi daidai tsayin da kowane raƙuman ruwa zai mallaka ba. Yana ba da adadi ne kawai wanda ke nuni da tsayin daka wanda raƙuman ruwa galibi ke samu idan ya isa bakin teku. Kamar yadda muka ambata a baya, ana amfani da bayanan ƙididdiga waɗanda ke haɗa dukkan bayanan da aka samo ta amfani da ma'ana don fadada abin da aka sani da kararrawar Gaussian.
Ina fatan cewa tare da wannan bayanin zaku iya ƙarin koyo game da raƙuman ruwan Nazaré.