Contemporary Sea Level

Question 1

The current levels of sea level stabilised around 3000 years ago

Since the start of the industrial revolution in the nineteenth century global sea level has risen by about

Answer 1

235mm

Question 2

The current levels of sea level stabilised around 3000 years ago

Since the start of the industrial revolution in the nineteenth century global sea level has risen by about 235mm

This is enough to ……

Answer 2

overcome some coastal defences and create coastal flooding through storm surges in some areas

Question 3

as the earth warms

Answer 3

will be increase eustatic sea level change and thermal expansion in ocean basins

Question 4

The IPCC predicts that sea levels by 2100 will be between ………. higher than they are now

Answer 4

0.26 - 0.77m

Question 5

The IPCC predicts that sea levels by 2100 will be between 0.26 - 0.77m higher than they are now

this could

Answer 5

This could inundate many coastal cities and settlements

It could also salinise aquifers in low lying regions and increase coastal erosion

Question 6

More than ……….billion people live on high-risk coasts

………..% of the world’s cities are coastal

Answer 6

1bn

75