Dutsen Hopewell

Hopewell Rocks, wanda ake kira Flowerpot Rocks ko kuma kawai Dutsen, su ne nau'in dutsen da aka sani da tarin ruwa wanda ya haifar da rushewar ruwa a cikin Hopewell Rocks Ocean Tidal Exploration Site a Hopewell Rocks Provincial Park a New Brunswick, Kanada. Suna tsayin mita 12-21 (40-70 ft) tsayi.

Suna kan bakin tekun na sama na Bay of Fundy a Hopewell Cape kusa da ƙarshen jerin wuraren shakatawa na bakin teku na Fundy da suka haɗa da Fundy National Park da Trail Fundy. Saboda matsanancin kewayon magudanar ruwa na Bay of Fundy, tushen tsarin ana rufe shi da ruwa sau biyu a rana. Yana yiwuwa a duba gyare-gyare daga matakin ƙasa a ƙananan tide .

Samfurin ya ƙunshi ja-launin ja-launin ruwan ƙasa, dutsen yashi, da ƙaramin dutsen laka daga Tsarin Carboniferous Hopewell Cape Formation, wani ɓangare na Rukunin Mabou. Girman girman ruwan da ke gudana zuwa ciki da waje na Bay of Fundy yana gyara yanayin da ke kewaye da shi. Bayan ja da baya na glaciers a yankin biyo bayan shekarun ƙanƙara na ƙarshe, ruwan saman da ke tacewa ta hanyar tsagewar dutsen ya ɓata kuma ya raba abubuwan da ke faruwa da sauran fuskar dutsen. A halin yanzu, ci gaba da ja da baya da magudanar ruwa da igiyoyin ruwa da ke da alaƙa sun lalata tushen duwatsun da sauri fiye da na saman, wanda ya haifar da sifofinsu da ba a saba gani ba. 

Fadin jiragen sama na laka a cikin kwandon a cikin Fundy suna tallafawa nau'ikan haɓakar halittu iri-iri. Sau da yawa ana ganin tsuntsaye iri-iri suna tururuwa zuwa gida suna ci a yankin. An shawarci baƙi da su zauna don cikakken zagayowar ruwa don samun cikakkiyar godiyar raƙuman ruwa da gyare-gyare. Ko da yake igiyoyin ruwa sun bambanta daga rana zuwa rana, babban igiyar ruwa na iya kaiwa  yana ba da Hopewell Rocks ɗaya daga cikin matsakaicin matsakaicin raƙuman ruwa a duniya. 

A ranar 14 ga Maris, 2016, wani ɓangare na ɗaya daga cikin Dutsen Hopewell, Dutsen Elephant, ya rushe. Jami’an dajin sun ce kimanin tan 100 zuwa 200 na dutsen ya fado kasa. Kevin Snair, mai kula da ayyukan fassara a Hopewell Rocks ya ce "Wani lokaci bayan ruwan ya fita da safiyar yau, wani muhimmin yanki na Dutsen Giwa ya huce, inda ya rufe wani sashe ko gaba dayan hanyar da muke tafiya."  Irin wannan tsari ya ruguje a Titin Fundy Trail Parkway kusa da ranar 24 ga Fabrairu, 2022. 

 Manazarta