Impacts of Climate Change (AQA A-Level Geography): Flashcards
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Duration of gradual sea level rise
Duration of gradual sea level rise
Approximately 10,000 years
Sea level rise rate 1901-1990
Sea level rise rate 1901-1990
1.4 mm per year
Sea level rise rate 1993-2015
Sea level rise rate 1993-2015
3.6 mm per year
Projected sea level rise rate by 2100
Projected sea level rise rate by 2100
15 mm per year
Two main mechanisms of sea level change
Two main mechanisms of sea level change
Increases in ocean volume & coastal subsidence
Thermal expansion effect on sea levels
Thermal expansion effect on sea levels
Warmer water expands, taking up more space, raising sea level
Coastal subsidence definition
Coastal subsidence definition
Gradual sinking/settling of ground surface
Predicted sea level rise by 2100 (range)
Predicted sea level rise by 2100 (range)
30 cm to 110 cm
SE England vulnerability reasons
SE England vulnerability reasons
Lower-lying land & experiencing subsidence
Saltwater intrusion definition
Saltwater intrusion definition
Seawater moving into freshwater supplies due to rising sea levels