Kammala wannan jumla: A lokacin da ruwa ya yi kasa sosai, za ka iya ganin ragowar tsohuwar gandun daji a bakin rairayin bakin teku na Mablethorpe da Sutton on Sea. An nutsar da shi ta hanyar hauhawar ruwan teku kimanin shekaru 3000 da suka gabata. Masanin farko da ya buga nazarin wannan gandun daji na karkashin ruwa <unk> da kowane gandun daji na karkashin ruwa <unk> shi ne ɗan asalin ƙasar Portugal kuma masanin kimiyyar lissafi, José Francisco Correia da Serra, wanda ya bincika shi a shekara ta 1796, lokacin da ya ziyarci yankin tare da fitaccen masanin halitta Sir Joseph Banks. Ambaliyar teku matsala ce ta lokaci-lokaci a lokacin Tsakiyar Tsakiya. Ambaliyar ruwa ta ƙarshe ita ce
Ambaliyar ruwan Arewa a watan Janairun 1953, lokacin da guguwar ruwa mai tsawon mita uku ta karya kariya ta ambaliyar ruwa.