| The area of low-lying swamp or marsh, as revealed through archaeology, is shown in brown. |
| A big problem is that salt water has contaminated a lot of wells in the low-lying areas when this tidal wave came in. |
| Tuvalu is one of dozens of low-lying islands threatened with rising sea levels. |
| The coastal region of the Humber estuary is low-lying and gradually eroding inland. |
| The most dramatic effect would be an increase in sea levels due to melting of the polar ice caps causing many low-lying costal areas to flood. |
| A spokeswoman warned river levels are high and with further rainfall forecast there may be some flooding on low-lying land near to rivers. |
