Geog Physical Case Studies — Weak Areas

Question 1

What is the headland at the top of the holderness coast called and what is it’s lithology?

Answer 1

Flamborough head (chalk)

Question 2

What is the avg and max rates of recession on the holderness coastline?

Answer 2

Avg= 2m
Max=10m

Question 3

What percentage of sediment of held back by Aswan dam in lake nasser?

Answer 3

98%

Question 4

What is the artificial city being built by the Maldives to move the capital city 1m higher?

Answer 4

Hulhumale

Question 5

How many people in Bangladesh live in areas 1m or less above sea level?

Answer 5

20million

Question 6

What was the drop in pressure at cyclone sidr? What was the result of this?

Answer 6

Dropped to 944mb— storm surge around 6m up to 15000 deaths and destroyed 1.6mln homes

Question 7

How many people died from storm Xavier in the North Sea?

Answer 7

2 deaths
Between 3 and 6 m storm surge

Question 8

How many homes did the Thames barrier protect during storm Xavier?

Answer 8

800000

Question 9

How much has been spent on dune restoration on the Sefton coast, why?

Answer 9

£4.5 million spent, classed as an SSSI

Question 10

What was used to help people suffering from the Happisburgh managed realignment policy decision?

Answer 10

Local gov given 3 million to purchase people’s homes for up to 40% of value

Question 11

How much wave energy are mangroves capable of dissipating

Answer 11

77%

Question 12

What percentage of EQs are found in the pacific ring of fire?

Answer 12

Over 80%

Question 13

What is an example of a convergent collision EQ? (Transform boundary)

Answer 13

Nepal 2015 — 7.8mag 15km focal depth with more than 9000 fatalities

Question 14

What percentage of families in Nepal rely on subsistence farming and are living in absolute poverty?

Answer 14

40% absolute poverty
90% subsistence farming

Question 15

How much time was given for evac before the tahoku tsunami?

Answer 15

8-10 minutes

Question 16

How many hospitals collapsed from the Haiti EQ?

Answer 16

8

Question 17

How many applicants for a building codes amnesty were made in turkey in 2018?

Answer 17

100000 in 10 cities most affected

Question 18

What percentage of water is in oceans vs freshwater?

Answer 18

96.9% oceans
2% freshwater

Question 19

What are the infiltration rates of clay and sandy soils?

Answer 19

Sandy =19-25 mhm/hour
Clay = 1-4mm/hour

Question 20

What percentage of the Amazon rainforest has been deforested?

Answer 20

17%

Question 21

When was the Aral Sea at 10% of its original size and what has happened since then?

Answer 21

2007 restoration has reversed effects since 2018

Question 22

What percentage of global water usage is agriculture?

Answer 22

70%

Question 23

How many people does the Colorado river supply water to?

Answer 23

50 million

Question 24

How many people died from the 2023 Pakistan floods?

Answer 24

1700 people

Question 25

Give the data for chinas afforestation.

Answer 25

Planted 4 mln trees per year since 1990 Increased forest cover from 16 to 23% by 2015 Aim is increased forest coverage to 42% by 2050

Question 26

What percentage of the worlds wetlands have been lost in the last 300 years?

Answer 26

87%

Question 27

What did deforestation lead to a rise of in Malaysia?

Answer 27

10% rise in deforestation caused a 3.3% increase in malaria transmission

Question 28

How has cost of solar panels changed?

Answer 28

Decreased by 80% since 2010

Question 29

Give the uk energy mix.

Answer 29

16% fossil fuels 40% renewables 15% nuclear

Question 30

How much Co2 can ORCA pull from the atmosphere?

Answer 30

4000 tonnes per year

Question 31

How many trees are there in the Amazon? Vs the sahara desert?

Answer 31

400 bln Less than 2 bln

Question 32

What is the worlds largest fossil water store?

Answer 32

Nubian sandstone aquifer under the sahara desert

Question 33

What was day zero?

Answer 33

Warning of when water supply would have to be switched off Led to Cape Town reducing water consumption by 40% in 4 years Day zero never came, water conservation efforts were made

Question 34

What is pink farm in São Paulo?

Answer 34

750 meter squared vertical farm that reduces water consumption

Question 35

What is an example of decreased resilience if a rain fed wetland?

Answer 35

Great salt lake Utah 2021 meteorological drought led to lowest ever levels + 100% increase in salinity Cause death of some species (local extinction) and migration of others away from the area