geo case studies (human)

Question 1

short term impacts of boscastle

Answer 1

150 vehicles swept away, 50 homes destroyed

Question 2

long term impacts

Answer 2

insurance tripled, £10 million flood defence, tourism increased

Question 3

boscastle background

Answer 3

-small village- south west coast, north of cornwall
-700 people
-90% income from tourism
-river valency and river jordan join up

Question 4

human causes of boscastle flood

Answer 4

-dam effect=narrow bridges blocked off by debris
-man-made impermeable surfaces throughout the catchment - prevents infiltration, shortens lag time

Question 5

physical causes of boscastle floods

Answer 5

-heavy rainfall (aug 16th- 5hours- 185mm)
-soil saturated
-steep sided valley

Question 6

social effects

Answer 6

-people lost jobs
-150 people rescued
-50 homes destroyed

Question 7

economic effects

Answer 7

-25 business destroyed (6-18 months reopen)
-insurance companies paid out (£20 million)
-sewage main burst (£85 million)

Question 8

soft engineering responding to Boscastle floods

Answer 8

-widen river channel
-advise land owners to carry out vegetation
-allowing trees to grow

Question 9

hard engineering responding to Boscastle floods

Answer 9

-artificially narrowing the river
-flood defence wall
-relc=ocate defence wall

Question 10

mexicos background

Answer 10

-north america, west of the pacific ocean, south of usa
-part of nafta
-1985= mexico city earthquake (7.8)

Question 11

industries in mexico

Answer 11

-primary= lemon&limes= 2billion tonnes (25% exported annually)
-secondary= tvs- 90% exported
-tertiary= tourism e.g.cancun beaches (8.5% GDP, $43.5 million daily)(800000job directly, 1.2 million indirectly)

Question 12

advantages of TNCS

Answer 12

-maquiladoras= 1 million workers
- 50% can own houses

Question 13

disadvantages of TNCS

Answer 13

-long hours for low wages
-toxic chemicals buried underground