7.2.5

Climate Change & The Water Cycle

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Climate Change Effects Inputs and Outputs

Climate change causes changes in weather patterns. This can result in changes in precipitation and evaporation, which can have significant impacts on a region's hydrological cycle and ecosystems.

Climate Change Affects Stores and Flows

Climate change affects global water stores capacity and their ability to recharge because of changes in temperature and precipitation rates.

Snow and glaciers

Snow and glaciers

  • Climate change has lead to an increase in average global temperatures, leading to a reduction in ice-forming seasons.
  • Early 2018 saw the smallest amount of winter Arctic ice since the 1960s.
  • Sea ice is not forming to the same extent and current sea ice is breaking off into large icebergs.
Reservoirs and lakes

Reservoirs and lakes

  • Lakes and reservoirs are not being recharged as they previously were because of decreases in rainfall and higher temperatures in some areas.
  • Lake Chad and the Uzbekistan Aral Sea are drying up with devastating impacts on the ecosystem and the local residents. Chad, Cameroon, Niger and Nigeria all rely on Lake Chad as a water source.
  • Lake Chad was once the 3rd largest source of freshwater in Africa but is now 1/20th of the size it was 40 years ago.
Permafrost

Permafrost

  • We call the frozen ground found near the poles in high latitude regions permafrost (e.g. Siberia). Permafrost can hold water in the form of ice.
  • In summer, if the soil temperatures increase above freezing, permafrost can thaw and the ice within can melt. Thawing leads to percolation and through flow until water has left the ecosystem.
  • Climate change often leads to a rise in temperature in permafrost regions. So as soil temperatures increase, so will the amount of permafrost loss.
Soils

Soils

  • Different soils in different climates will be affected by global warming differently, depending on the weather extremes.
  • Climate change offers an uncertain future.
  • Generally, soil moisture levels will decrease as less water will infiltrate the soil in droughts and in periods of intense rainfall because of the high runoff rates.
Jump to other topics
1

Tectonic Processes & Hazards

1.1

Tectonic Processes & Hazards

1.1.1Tectonic Plates1.1.2Distribution of Tectonic Hazards1.1.3Theoretical Frameworks1.1.4Earthquakes1.1.5Earthquake Hazards1.1.6Volcanoes1.1.7Tsunamis1.1.8End of Topic Test - Tectonic Processes1.1.9Exam-Style Question - Earthquakes
1.2

Natural Disasters

1.2.1Introduction to Natural Disasters1.2.2Impacts of Hazards1.2.3Comparing Hazards1.2.4Development & Governance
1.3

Natural Disaster Case Studies

1.3.1Tohoku Earthquake & Tsunami1.3.2Gorkha Earthquake1.3.3Mount Merapi Eruption
1.4

Trends & Patterns

1.4.1Disaster Trends1.4.2Prediction
1.5

Disaster Modification

1.5.1Hazard Management1.5.2Modifications1.5.3End of Topic Test - Natural Disasters1.5.4Exam-Style Question - Disaster Modification
2

Option 2A: Glaciated Landscapes & Change

2.1

Glaciated Landscapes Over Time

2.1.1Timeline of Glacial Change2.1.2Natural Causes2.1.3Ice Distributions
2.2

Periglacial Landscapes

2.2.1Periglacial Processes2.2.2Periglacial Landforms
2.3

Glacial Processes

2.3.1Mass Balance2.3.2Glacial Movement
2.4

Glacial Landforms

2.4.1Landscapes2.4.2Erosional Landforms2.4.3Erosional Landforms 22.4.4Erosional Landforms 32.4.5Depositional Landforms2.4.6Fluvioglaciation
2.5

The Future of Glaciated Landscapes

2.5.1The Value of Glaciated Landscapes2.5.2The Value of Glaciated Landscapes 22.5.3Threats to Glaciated Landscapes2.5.4Managing the Threats to Glaciated Landscapes
3

Option 2B: Coastal Landscapes & Change

3.1

Coastal Landscapes

3.1.1The Wider Coastal Landscape3.1.2Geological Structure3.1.3Lithology & Vegetation
3.2

Coastal Erosion & Deposition

3.2.1Shaping Coastlines3.2.2Coastal Formations3.2.3Sediment Transportation3.2.4Subaerial Processes
3.3

Coastal Risks

3.3.1Sea Level Change3.3.2Coastal Retreat3.3.3Coastal Flooding
3.4

Managing Coastlines

3.4.1Consequences of Coastal Recession3.4.2Engineering Management Approaches3.4.3Governance Approaches
4

Globalisation

4.1

Globalisation

4.1.1Intro to Globalisation4.1.2Development of Globalisation4.1.3Economic Policy & Globalisation4.1.4Government Policy & Globalisation4.1.5International Organisations & Globalisation4.1.6Measuring Globalisation4.1.7TNCs & Globalisation4.1.8TNCs - Aramco & Anglo-Iranian Oil
4.2

Negatives of Globalisation

4.2.1'Switched Off' Places
4.3

Global Shift

4.3.1Global Shift for Developing Nations4.3.2Global Shift for Developing Nations 24.3.3Global Shift for Developed Nations4.3.4End of Topic Test - Globalisation
4.4

Migration

4.4.1Megacities4.4.2International Migration4.4.3Country Interdependence
4.5

Culture

4.5.1Global Culture4.5.2Cultural Erosion
4.6

Measuring Development

4.6.1Measuring Development
4.7

Responses to Globalisation

4.7.1Tensions Caused by Globalisation4.7.2Government Control of Globalisation4.7.3Ethical Responses to Globalisation4.7.4End of Topic Test - Migration, Culture, & Response
5

Option 4A: Regenerating Places

5.1

Types of Economies

5.1.1Economic Activity5.1.2Employment5.1.3Economic Activity - Health & Life5.1.4Economic Activity - Education & Inequality
5.2

Function of Places

5.2.1Characteristics of Places5.2.2Changes in Places5.2.3International Influences on Places5.2.4Historic Influences on Places5.2.5The Perception of Places5.2.6Lived Experience & Attachment
5.3

Regeneration

5.3.1Migration & Capital5.3.2Success & Regeneration5.3.3Tensions & Conflict in Communities5.3.4Regeneration in the UK5.3.5Local Government Policies5.3.6Regeneration Strategies5.3.7Measuring Regeneration Success
5.4

Regeneration Case Studies

5.4.1Stratford5.4.2Salford Quays5.4.3Croyde
6

Option 4B: Diverse Places

6.1

Population Structure

6.1.1The UK6.1.2Population Characteristics6.1.3Government & Change
6.2

Past & Present Connections

6.2.1International Influence on Places6.2.2Historic Influences on Places6.2.3The Perception of Places6.2.4Image & Identity
6.3

Urban & Rural Spaces

6.3.1Perceptions of Urban Places6.3.2Perceptions of Rural Places6.3.3Evaluating Living Space
6.4

Diversity

6.4.1UK Migrations6.4.2Challenges6.4.3Tensions & Conflict6.4.4Wider Outcomes of Tensions6.4.5Managing Tensions
6.5

Urban & Rural Case Studies

6.5.1Stakeholders
6.6

Case Study - Tower Hamlets

6.6.1Background6.6.2Characteristics6.6.3Issues
6.7

Case Study - Sturton-le-Steeple

6.7.1Background6.7.2Characteristics6.7.3Issues
7

The Water Cycle & Water Insecurity (A2 only)

7.1

Hydrological Processes Global to Local

7.1.1Global Hydrological Cycle7.1.2Drainage Basin Hydrological Cycle7.1.3Water Budgets7.1.4River Regimes7.1.5Storm Hydrographs
7.2

Influences on the Water Cycle

7.2.1Causes of Drought7.2.2Impacts of Drought7.2.3Causes of Flooding7.2.4Impacts of Flooding7.2.5Climate Change & The Water Cycle7.2.6Impacts of Climate Change7.2.7End of Topic Test - The Water Cycle
7.3

Water Insecurity

7.3.1Water Stress7.3.2Causes of Water Insecurity7.3.3Water Insecurity Risk7.3.4Conflict Over Water
7.4

Water Supply Management

7.4.1Hard Engineering Schemes7.4.2Sustainable Management7.4.3Water Treaties & Framework7.4.4End of Topic Test - Water Insecurity & Management
8

The Carbon Cycle & Energy Security (A2 only)

8.1

The Carbon Cycle

8.1.1Carbon Stores8.1.2Carbon Stores 28.1.3Biological Carbon8.1.4Atmospheric Carbon8.1.5Burning Fossil Fuels
8.2

Energy Consumption

8.2.1Consumption8.2.2Access to Energy8.2.3Energy Players8.2.4Supply & Demand8.2.5Pathways8.2.6End of Topic Test - Carbon & Consumption
8.3

Alternative Energy

8.3.1Unconventional Fuels8.3.2Non-Fossil Fuels8.3.3Non-Fossil Fuels 2
8.4

Growing Demand for Resources

8.4.1Deforestation8.4.2Water8.4.3Climate Change
8.5

The Future

8.5.1Future Uncertainty8.5.2Adaptation Strategies8.5.3Mitigation Strategies
9

Superpowers (A2 only)

9.1

Superpowers

9.1.1Introduction to Superpowers9.1.2Superpowers - Economic Power & Size9.1.3Superpowers - Political & Military Power9.1.4Superpowers - Culture, Demography & Resources9.1.5Geo-Strategic Location
9.2

Hard & Soft Power

9.2.1Hard & Soft Power9.2.2Emerging Powers - China Rivalry9.2.3Emerging Powers - Chinese Sources of Power9.2.4Emerging Powers - Brazil9.2.5Emerging Powers - Russia9.2.6Emerging Powers - India9.2.7Theories of Development9.2.8Power Case Studies: Chinese One Belt One Road9.2.9Power Case Studies: Pakistan Nuclear Arms9.2.10Power Case Studies: OPEC
9.3

IGOs, TNCs & Alliances

9.3.1Superpowers & IGOs9.3.2Superpowers & TNCs9.3.3Superpowers & Global Action9.3.4Superpowers & Alliances9.3.5Superpowers & the Environment
9.4

Changing Global Influence

9.4.1Recent Tensions between Powers9.4.2China in Africa & Asia9.4.3Tensions in the Middle East9.4.4Economic Problems for Superpowers9.4.5Future Pattern of Power
10

Option 8A: Health & Human Rights (A2 only)

10.1

Human Development

10.1.1Measuring Development10.1.2Factors Improving Development10.1.3Variations in Health
10.2

Role of Governments & IGOs

10.2.1Targets & Attitudes10.2.2Financial IGOs10.2.3The United Nations (UN)10.2.4The UN's MDGs & SDGs
10.3

Human Rights

10.3.1Human Rights10.3.2Differences Between Countries10.3.3Transitions to Democracy10.3.4Differences Within Countries10.3.5The Demand for Equality
10.4

Interventions

10.4.1Geopolitical Interventions10.4.2International Intervention Players10.4.3Evaluating Geopolitical Intervention10.4.4Military Interventions10.4.5Evaluating Military Interventions
10.5

Development Aid

10.5.1Forms10.5.2Successes10.5.3Criticisms10.5.4Development Aid & the Environment10.5.5Evaluating Development Aid10.5.6Economic Inequalities
11

Option 8B: Migration & Identity (A2 only)

11.1

Globalisation & Migration

11.1.1Intro to Migration11.1.2Trends in Migration11.1.3Common Migration Patterns11.1.4Causes of Migration11.1.5Restrictions on Migration
11.2

Consequences of Migration

11.2.1Intro to Culture11.2.2Social & Demographic Tensions of Migration11.2.3Political & Economic Tensions of Migration
11.3

Nation States

11.3.1Intro to Nation States11.3.2Borders11.3.3Nationalism
11.4

Responses to Global Migration

11.4.1Responses to Global Migration11.4.2Global Organisations11.4.3IGOs and World Trade11.4.4Financial IGOs11.4.5Environmental IGOs
11.5

Sovereignty & Identity

11.5.1Sovereignty & Nationalism11.5.2Complex Identities11.5.3Challenges to National Identities11.5.4Tensions within Nations11.5.5Failed States

Practice questions on Climate Change & The Water Cycle

Can you answer these? Test yourself with free interactive practice on Seneca — used by over 10 million students.

  1. 1
    Evaporation trends:Fill in the list
  2. 2
    What do we call the frozen ground near the poles?Multiple choice
  3. 3
    Which of the following are potential effects of climate change on stores and flows?True / false
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Impacts of Flooding

Impacts of Climate Change