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Questions and Answers

When British and American scientists embarked on a five-year, S25m neld ______ mission to study the Thwaites glacier in West Antarctica and its ice sheet

mis

Sea levels near Antarctica and Greenland are expected to ______ as they lose weight from melting ice sheets

drop

Maps of 100-year-flood risk based on sea-level rise alone underestimate the area under threat by as much as 90% compared with maps that accounted for land that was getting lower because of ______

subsidence

What is the Thwaites glacier and why are British and American scientists studying it?

The Thwaites glacier is located in West Antarctica and British and American scientists are studying it to gain a better understanding of its ice sheet and the potential impact of its collapse on global sea levels. Signup and view all the answers

What are some regional variations in sea level rise caused by currents and how are they expected to shift in response to climate change?

Regional variations in sea level rise are caused by currents, which are expected to shift in response to climate change. For example, a weakening Gulf Stream is expected to cause sea level to rise on America's eastern seaboard even if global mean sea level did not change at all. Signup and view all the answers

What are some of the effects of land sinking due to subsidence and human activity?

The effects of land sinking due to subsidence and human activity include increased risk of flooding and erosion, loss of land and property, and displacement of populations. For example, in some areas of Jakarta, the land is sinking by up to 25 cm per year, increasing the risk of flooding and erosion. Signup and view all the answers

What is the main cause of land sinking in Jakarta?

Drained aquifers Signup and view all the answers

Which of the following is NOT a cause of regional variations in sea level rise?

Greenhouse gases Signup and view all the answers

What is the expected impact of heavier bursts of rainfall upstream on low-lying coastlines?

Compounded risks from rivers and the sea Signup and view all the answers