Prehistoric communities off the coast of Britain embraced rising seas – what this means for today's island nations (erthygl Saesneg)
Dyma erthygl yn Saesneg gan Sophie Ward, o'r Ysgol Gwyddorau Eigion a Robert Barnett o Brifysgol Exeter sydd yn cael ei hail gyhoeddi o'r gwreiddiol ar dudalen The Conversation ar ein tudalen Saesneg o dan drwydded Creative Commons. Mae The Conversation yn safle sy’n galluogi academyddion i ysgrifennu’n uniongyrchol er mwyn rhannu eu harbenigedd gyda’r cyhoedd. Darllenwch yr erthygl wreiddiol.
![St Michaels MNount Cornwall seen from above](/sites/default/files/styles/3x2_900w/public/2020-11/St%20Michaels%20Mount%20marazion%20Cornwall%20credit%20benjamin-elliott-sg7zgMb3OQY-unsplash.jpg?h=d026929b&itok=e-LNzaX7)
Credit:https://unsplash.com/photos/sg7zgMb3OQY @benjaminelliott
![Aerial image of sea and coastshowingsubmerged marks](/sites/default/files/styles/3x2_900w/public/2020-11/Submerged%20prehistoric%20field%20booundaries%20isles%20of%20Scilly%20copyright%20redit%20Historic%20England%20Archive.jpg?h=33b7f9e8&itok=k2-YpCwL)
Credit:© Historic England Archive
![Coastline maps showing how land submerged](/sites/default/files/styles/3x2_900w/public/2020-11/Isles%20of%20Scilly%20sea%20level%20rise.jpg?h=bcdc7895&itok=MafVdhW5)