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Geographic themes
B

Oceans and coastal margins

IB Geography Syllabus

SL & HL

In this topic, you will explore the following:

Syllabus concepts to know
  • B.1 Ocean–atmosphere interactions
  • B.2 The operation of ocean currents, including their distribution, nutrient and energy transfers and the importance of oceanic conveyor belts
  • B.3 Atmosphere–oceanic interactions associated with El Niño–Southern Oscillation atmospheric and
  • B.4 (ENSO) and La Niña cycles and their climatic, environmental and economic effects ocean systems
  • B.5 Detailed examples of the geographic impacts of El Niño and La Niña
  • B.6 The formation, distribution and physical impacts of hurricanes on coastal margins, including storm surges
  • B.7 Case study of one hurricane and its impacts on coastal places and people
  • B.8 The changing role of oceans as a store and source of carbon dioxide (CO2) and the impacts of ocean acidification on coral reefs
  • B.9 Interactions between oceans and coastal places
  • B.10 Physical influences on coastal landscapes, including waves, tides, sediment supply, lithology, vegetation, subaerial processes and wave processes (littoral drift, hydraulic action and abrasion) interactions with
  • B.11 The characteristics and formation of coastal landforms of erosion and deposition, oceans including wave cut platform, cliff, stack, spit and beaches
  • B.12 Advancing and retreating coastlines, including the role of isostatic and eustatic processes, and the associated landforms (relict cliff, raised beach, fjord)
  • B.13 The role of coastal processes, wind and vegetation in sand dune development
  • B.14 Managing coastal margins
  • B.15 Coastal erosion and flooding management strategies, including cliff line stabilization and managed retreat stakeholders in
  • B.16 One coastal management case study focused on the decision-making process and perspectives of different actors
  • B.17 Conflicting land-use pressures on coastlines, including commercial land uses
  • B.18 (tourism, industry and housing) and conservation measures
  • B.19 One case study to illustrate the roles of, and outcomes for, coastal stakeholders
  • B.20 Management of coral reefs and mangrove swamps, including different stakeholder perspectives on their use and value
  • B.21 Detailed examples of both ecosystems and their issues
  • B.22 Sovereignty rights of nations in relation to territorial limits along coastal margins and exclusive economic zones (EEZs)
  • B.23 Ocean management futures
  • B.24 Causes and consequences of increasing demand for the abiotic resources of oceans, including minerals, oil and gas managing the
  • B.25 Trends in biotic resource use (fish and mammals) and the viability of alternatives to oceans as a overfishing, including aquaculture, conservation areas and quotas global commons
  • B.26 Strengths and weaknesses of initiatives to manage ocean pollution, including local and global strategies for radioactive materials, oil and plastic waste
  • B.27 The strategic value of oceans and sources of international conflict/insecurity, including the contested ownership and control of island, canals and transit choke points
  • B.28 One contemporary geopolitical case study focusing on a contested ocean area ation (Ev) and Skills (Sk) opportunities
  • B.29 How changes in one part of an ocean or coastal margin may bring spatial interactions with other parts/places [Sy] be integrated into
  • B.30 How ocean exploitation and management take place at varying scales [Sy/Ev] the study of the
  • B.31 Varying perspectives on the costs, benefits and effectiveness of management [Ev] additional
  • B.32 How ocean and atmospheric systems, and their interactions, can be represented graphically [Sk]

Study & practice B Oceans and coastal margins

Practice B in Question Bank

IB exam-style questions, with mark schemes and explanations, for all papers.

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Read Notes for B

Detailed notes written by examiners, strictly aligned with the syllabus.

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Review B Flashcards

Active recall practice for key concepts and definitions.

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A Freshwater

C Extreme environments

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