Coastal flooding is a significant and increasing risk for some coastlines (Edexcel A-Level Geography): Flashcards
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3 economic reasons people inhabit coastal areas
3 economic reasons people inhabit coastal areas
Tourism (beaches/sea), trade (deltas/estuaries), fertile deltas for farming
3 ways mangroves reduce flood risk
3 ways mangroves reduce flood risk
Reduce wave height, roots trap sediment (raise coast), reduce storm surge
Storm surge reduction per 1km of mangrove forest
Storm surge reduction per 1km of mangrove forest
0.5m
Definition: storm surge
Definition: storm surge
Short-term sea level change from low air pressure
How low air pressure creates storm surge dome
How low air pressure creates storm surge dome
Water bulges upward; lower pressure = higher dome
Most likely sea level rise by 2100 (IPCC 2014)
Most likely sea level rise by 2100 (IPCC 2014)
55cm
Delta flooding risk increase by 2100 (IPCC 2014)
Delta flooding risk increase by 2100 (IPCC 2014)
50%
Definition: tipping point
Definition: tipping point
Sudden large-scale change within a few decades, probably irreversible
Number of tipping points identified by IPCC 2014
Number of tipping points identified by IPCC 2014
7
Year of Paris global agreement on emissions
Year of Paris global agreement on emissions
2016