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Sea level rise is not uniform and varies across different regions, including the UK and Ireland. While both are experiencing sea level rise due to climate change, the specific rates and impacts differ due to factors like land movement and ocean currents. In the UK, the south is experiencing higher rates of rise due to land subsidence, while Scotland is experiencing slower rates due to land uplift. In Ireland, the southwest is also experiencing higher rates due to land subsidence, while the northeast may experience slower rates.
Here's a more detailed breakdown:
UK:
Here's a more detailed breakdown:
UK:
- Overall: Mean sea level around the UK has risen by about 12-16cm since 1900.
- Regional Variations: The south of England is experiencing higher rates of rise due to land sinking, while some parts of Scotland are experiencing lower rates due to land rising.
- Projections: The UK is projected to experience further sea-level rise, with estimates ranging from 0.6 to 4.5 meters by 2300, depending on emission scenarios.
- Overall:
Satellite observations show sea levels around Ireland rising by approximately 2-3mm per year since the early 1990s.
- Regional Variations:
The southwest of Ireland is experiencing higher rates of rise due to land subsidence from the last ice age, while the northeast may experience slower rates.
- Projections:
Ireland is projected to experience sea-level rise up to one meter by 2100 due to climate change.
- Specifics:
Dublin is experiencing sea level rise of 0.23 mm per year, while Belfast has seen increases of 7.8cm by 2020, 18.6cm by 2050, and 40.3cm by 2095.
- Glacial Isostatic Adjustment:
The movement of land due to the melting of ice sheets from the last ice age significantly impacts sea level rise rates in both the UK and Ireland.
- Ocean Dynamics:
Ocean currents, wind, and other factors also play a role in redistributing sea levels.
- Land Subsidence/Uplift:
Areas experiencing land subsidence will experience higher rates of relative sea level rise, while areas experiencing uplift will experience lower rates.