Increasing water supply sustainably

Study Figure 5a and Figure 5b in the Resource Booklet.

Using Figure 5a, identify the mean amount of fresh water consumption in Mexico, 2000–2015.

Suggest one reason for the trend, from 1990 to 2019, in Mexico’s total fresh water consumption.

You must use evidence from Figure 5a in your answer.

Identify the year with the largest difference in the consumption of freshwater between Mexico and Japan.

The amount of fresh water consumption in Mexico was predicted to change between 2019 and 2030.

Four lines (A, B, C and D) have been drawn on Figure 5b to show possible future predictions.

Which one of these lines is the best prediction, based upon the past trend?

Describe the past trend in the amount of fresh water consumption in Japan shown in Figure 5b.

You must use data to support your answer.

Explain one reason why the UK has water supply problems.

Define the term desalination.

You have studied water resource management in a named developing/emerging country.

Evaluate how successful this country has been in managing its water resources in a sustainable way.

Named developing/emerging country

The water footprint measures the amount of water used to produce the goods and services we use.

Complete Figure 5 by plotting the data in the table below.

Identify the country with a water footprint of 4,900 litres per person per day.

Calculate the range in the water footprint shown on Figure 5.

_........ litres per person per day

Suggest one reason for the differences in water footprint shown on Figure 5.

State two disadvantages of desalination as a way of reducing water shortages.

Explain two ways a named emerging or developing country has attempted to manage their water resources in a sustainable way.

Named emerging or developing country

Assess the reasons why individuals and organisations may have different views about the sustainable use of water resources.

Define the term water surplus.

Water consumption patterns around the world have changed over time.

Study Figure 5 in the Resource Booklet.

Identify the total water consumption (km³/year) by all sectors in 2010.

Calculate the increase in water consumption by agriculture (km³/year) between 1990 and 2020.

Name the sector with the smallest predicted change between 2020 and 2040.

State one possible reason for the trend in domestic water consumption between 1990 and 2020.

Describe one method that could be used to collect different views about the sustainable use of water resources.

Explain two reasons why some parts of the world have a limited supply of fresh water.

In this question, up to four additional marks will be awarded for your spelling, punctuation, grammar and use of specialist terminology.

Evaluate the extent to which desalination can meet the future demand for water.

(Spelling, punctuation, grammar and use of specialist terminology = 4 marks)

Water resources are being managed to deal with changes in supply and demand.

Identify the correct definition of water deficit.

Define the term sustainable management.

Explain two reasons why the global demand for water has increased.

Study Figure 5a and Figure 5b in the Resource Booklet.

State one disadvantage of desalination.

Only use evidence from Figure 5a in your answer.

Identify the percentage (%) of UK residents in Figure 5b who are against the development of desalination in the UK.

Suggest one reason for the viewpoint held by the majority of the residents who took part in the survey.

Only use evidence from Figures 5a and 5b in your answer.

Assess the following statement.

There are many different ways of developing water resources.

Identify one reason why some parts of the world have a water deficit.

State one reason why water resources require sustainable management.

Study Figure 5a in the Resource Booklet.

State one possible reason why a desalination plant was constructed at this location.

Use evidence from Figure 5a in your answer.

Explain one reason why there are different views about the development of desalination technology.

Study Figure 5b in the Resource Booklet.

Identify the percentage (%) of water used for agriculture.

A total volume of 1067 million cubic metres (m³) of water was used in the Netherlands in 2015.

Calculate the volume of water used by industry in 2015.

You must show your working in the space below.

Write your answer to one decimal place.

_........ million cubic metres (m³

Suggest one reason why water consumption for domestic purposes has the largest percentage (%) in Figure 5b.

In this question, up to four additional marks will be awarded for your spelling, punctuation, grammar and use of specialist terminology.

Assess the reasons why the global demand and supply for water resources has changed over the past 50 years.

(Spelling, punctuation, grammar and use of specialist terminology = 4 marks)

The supply and consumption of water resources need to be managed carefully.

Identify the correct meaning of the term desalination.

Study Figure 5 in the Resource Booklet.

Identify the country with the largest predicted change in water stress between 2020 and 2040.

Compare the trends for Botswana and Chile shown in Figure 5.

Use data in your answer.

Suggest one reason for the predicted trends in water stress shown in Figure 5.

State one reason why some countries use a high proportion of their water resources for agriculture.

Explain two reasons why the UK has water supply problems.

In this question, up to four additional marks will be awarded for your spelling, punctuation, grammar and use of specialist terminology.

Evaluate how two countries at different levels of development have managed their water resources.

(Spelling, punctuation, grammar and use of specialist terminology = 4 marks)

Areas around the world have challenges in managing their water resources.

Identify the meaning of the term water surplus.

State one reason why some areas have water supply problems.

Study Figure 5 in the Resource Booklet.

Water stress can be measured using the Water Exploitation Index (WEI).

Identify the decrease in the Humber area’s WEI.

Identify the area with the smallest change in WEI between summer 2002 and summer 2012.

State two possible reasons for the change in the North Eastern area’s WEI shown on Figure 5.

Explain one disadvantage of desalination.

Explain one way a named developed country has attempted to manage its water resources in a sustainable way.

Named developed country_........

In this question, up to four additional marks will be awarded for your spelling, punctuation, grammar and use of specialist terminology.

Assess the reasons why there are differences in water consumption between a developed country and either an emerging or a developing country.

(Spelling, punctuation, grammar and use of specialist terminology = 4 marks)