hazards basics

Question 1

at risk zones ?

Answer 1

dwellings less than 10m above sea level

Question 2

disaster risk equation ?

Answer 2

capacity to cope

Question 3

adaptation ?

Answer 3

changing current lifestyle to survive

Question 4

mitigation ?

Answer 4

working towards reducing the impacts of climate change

Question 5

disaster hotspot ?

Answer 5

exposure to risk from two or more hazard groups

Question 6

example of a hazard hotspot ?

Answer 6

Manila- more hazardous on the east and south coasts. West coast fairly unaffected or minor risk

Question 7

countries at risk from sea level rise ?

Answer 7

Bangladesh

Maldives

Netherlands

Question 8

Factors that can increase hazard risk ? (7)

Answer 8

• income
• deforestation
• age
• population density
• healthcare
• urbanisation
• national gdp

Question 9

how do hurricanes develop ?

Answer 9

• over warm, tropical oceans (at least 27•)
• in the trade wind belt between latitudes 5• and 20• either side of the equator
• wind speeds have to be near constant between ground level and 12 km above

Question 10

Coriolis force ?

Answer 10

• the rotational force exerted on winds by the earths rotation

Question 11

a feedback mechanism ?

Answer 11

a process whereby the output of a system acts to amplify (positive) or reduce (negative) further output

eg melting of arctic permafrost= release of large quantities of trapped methane—increasing global warming

Question 12

indirect impact of climate change example ?

Answer 12

• thermal expansion of oceans=rising sea levels