Marine Surveying Chapter 1 Quiz
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Questions and Answers

What role does local community involvement play in the restoration of coastal vegetation?

  • It increases the cost of restoration projects.
  • It helps ensure the long-term health and sustainability of the vegetation. (correct)
  • It focuses solely on economic growth in coastal areas.
  • It replaces the need for environmental agency collaboration.

    • How do tidal inlets influence coastal erosion?

  • By facilitating sediment transportation and tidal currents. (correct)
  • By completely preventing sediment movement.
  • By increasing the depth of enclosed bodies of water.
  • By creating larger barrier islands.

    • What is the primary goal of Integrated Coastal Zone Management (ICZM)?

  • To balance the social, economic, and environmental needs of coastal communities. (correct)
  • To eliminate human activities from coastal zones.
  • To maximize economic profit from coastal resources.
  • To promote urban development along coastlines.

    • What are the potential impacts of climate change on coastal areas?

    <p>Increased flooding, erosion, and biodiversity loss.</p> Signup and view all the answers

    Which method is often used to manage tidal inlets?

    <p>Dredging or jetty construction.</p> Signup and view all the answers

    Which of the following is NOT an effect of climate change on coastal ecosystems?

    <p>Rapid growth of coastal biodiversity.</p> Signup and view all the answers

    What contributes to the dynamics of tidal inlets?

    <p>Sediment transportation, wave action, and tidal currents.</p> Signup and view all the answers

    Which strategy is essential for the long-term health of restored coastal vegetation?

    <p>Regular monitoring and management of the vegetation.</p> Signup and view all the answers

    What is the primary cause of shoreline erosion?

    <p>Continuous wave action and water currents</p> Signup and view all the answers

    Which type of coastal erosion specifically affects steep coastal cliffs?

    <p>Bluff erosion</p> Signup and view all the answers

    What is a consequence of excessive erosion in coastal environments?

    <p>Increased sediment input leading to siltation</p> Signup and view all the answers

    What natural process contributes to dune erosion?

    <p>Wave action removing sand from the dune system</p> Signup and view all the answers

    Which factor is NOT associated with coastal retreat?

    <p>The steepness of coastal cliffs</p> Signup and view all the answers

    What makes headlands more susceptible to erosion than surrounding coastlines?

    <p>Exposure to wave energy from multiple directions</p> Signup and view all the answers

    Siltation and erosion interact in what way?

    <p>Erosion transports sediments that contribute to siltation</p> Signup and view all the answers

    Why is maintaining a balance between erosion and siltation important?

    <p>To prevent habitat smothering and further erosion</p> Signup and view all the answers

    What is the purpose of a renewal survey?

    <p>To adjust the insurance policy periodically</p> Signup and view all the answers

    What does a cargo survey primarily inspect?

    <p>The quantity, condition, and stowage of cargo</p> Signup and view all the answers

    Which survey is conducted to determine the weight of cargo through vessel submersion changes?

    <p>Draft survey</p> Signup and view all the answers

    What do moisture meters help identify in marine assets?

    <p>Structural anomalies like rot and decay</p> Signup and view all the answers

    Which type of survey ensures compliance with regulatory requirements and industry standards?

    <p>Cargo survey</p> Signup and view all the answers

    When is an intermediate survey conducted?

    <p>At specific intervals during renewal surveys</p> Signup and view all the answers

    Which of the following is NOT a type of marine survey mentioned?

    <p>Structural integrity survey</p> Signup and view all the answers

    What does 'stowage' refer to in the context of marine surveys?

    <p>Arranging and securing cargo for transport</p> Signup and view all the answers

    What is a consequence of transported sediments increasing nutrient levels in water bodies?

    <p>Promotion of excessive algal growth and potential harmful algal blooms</p> Signup and view all the answers

    How does siltation and coastal erosion impact local economies?

    <p>By reducing available recreational space and impacting tourism</p> Signup and view all the answers

    What is one effect of erosion on coastal infrastructure?

    <p>It can compromise the stability of roads and utilities</p> Signup and view all the answers

    What challenge does excessive sedimentation pose to navigation?

    <p>It reduces the widths of navigable waterways</p> Signup and view all the answers

    What is a major impact of increased water turbidity due to sediment presence?

    <p>A decrease in aquatic plant growth due to limited sunlight</p> Signup and view all the answers

    What occurs due to the loss of natural barriers like beaches?

    <p>Heightened vulnerability of coastal communities</p> Signup and view all the answers

    Which factor contributes to the increased insurance costs for coastal properties?

    <p>Structural damage from erosion to coastal infrastructure</p> Signup and view all the answers

    Which mineral is commonly carried by transported sediments that can affect water quality?

    <p>Nitrogen</p> Signup and view all the answers

    What is the primary consideration in the demarcation of harbour limits?

    <p>Navigational safety</p> Signup and view all the answers

    Which organization is significant in formulating regulations for the demarcation of harbour limits?

    <p>International Maritime Organization (IMO)</p> Signup and view all the answers

    What does the United Nations Convention on the Law of the Sea (UNCLOS) provide?

    <p>Legal framework for maritime activities</p> Signup and view all the answers

    Which type of laws are more specific to individual ports and harbours?

    <p>Local laws</p> Signup and view all the answers

    Which of the following is NOT considered during the demarcation process?

    <p>Historical landmarks</p> Signup and view all the answers

    What purpose do additional restrictions serve in relation to sensitive habitats within port areas?

    <p>To prevent potential negative impacts</p> Signup and view all the answers

    What aspect should be disregarded when determining harbor limits?

    <p>Economic benefits</p> Signup and view all the answers

    What type of laws address port operations and maritime safety at a national level?

    <p>National laws</p> Signup and view all the answers

    What is a primary consideration in demarcating harbour limits?

    <p>Incorporating concerns of local communities</p> Signup and view all the answers

    Why is it important to consider coastal dynamics in harbour demarcation?

    <p>To ensure boundaries reflect ever-changing coastal conditions</p> Signup and view all the answers

    Which survey method utilizes satellite-based positioning systems for demarcation?

    <p>Geodetic Survey</p> Signup and view all the answers

    What does a bathymetric survey primarily focus on?

    <p>Mapping the depth and underwater topography</p> Signup and view all the answers

    What role does technological advancement play in harbour limit demarcation?

    <p>Enhances accuracy and efficiency in navigational information</p> Signup and view all the answers

    What is a key benefit of using aerial and satellite imagery in harbours?

    <p>Providing an overview of coastal areas and environments</p> Signup and view all the answers

    Which method is essential for measuring physical features along the coast?

    <p>Land Survey</p> Signup and view all the answers

    Which aspect is NOT part of the considerations for stakeholder interests in harbour limit demarcation?

    <p>Ignoring recreational activities entirely</p> Signup and view all the answers

    Study Notes

    Course Information

    • Course Title: Marine Surveying
    • Course Code: GSV 542
    • Academic Year: 2017/243473
    • Lecturer: Dr. Amos Ugwuot
    • Institution: University of Nigeria, Enugu Campus, Faculty of Environmental Sciences, Department of Geoinformatics and Surveying

    Table of Contents (Chapter Breakdown)

    • Chapter 1: Introduction to Marine Surveying
      • Definition and scope of marine surveying
      • Importance and role of marine surveyors
      • Types of marine surveys
      • Tools and techniques in marine surveying
      • Applications of marine surveying
    • Chapter 2: Coastal Engineering
      • Introduction to coastal engineering
      • Reasons for and importance of coastal engineering
      • Coastal structures
      • Coastal processes
      • Coastal erosion
      • Coastal protection measures
      • Climate change and coastal adaptations
      • Coastal Adaptation Strategies
      • Harbour and port development
    • Chapter 3: Siltation and Erosion
      • Introduction
      • Types of coastal erosion
      • Causes of siltation and erosion in coastal environments
      • Human-induced causes of siltation and coastal erosion
      • Coastal development and its impact on siltation and coastal erosion
      • Impact of siltation and erosion on coastal ecosystems and infrastructure
      • Measurement and monitoring of siltation and coastal erosion
      • Mitigation strategies for siltation and coastal erosion
    • Chapter 4: Coastal Zone Management
      • Overview
    • Chapter 5: Demarcation of Harbour Limits
      • Legal framework
      • Considerations in demarcation
      • Methods and techniques used
    • Chapter 6: Shipping and Harbour Laws
      • Introduction
      • International conventions and treaties
    • Chapter 7: Large-Scale Surveys - Dredging, Effects of Wind and Wave, On Sea Bed, Tidal Current Measurement, Introduction, Oceanography
    • Chapter 8: Applications of Marine Surveying
      • Vessel inspection
      • Cargo surveys
      • Port and harbour assessments
      • Marine insurance
      • Offshore exploration and construction
      • Environmental impact assessment
      • Salvage and wreck removal
      • Marine research and exploration
      • Coastal and shoreline management
      • Legal and dispute resolution

    Chapter One: Introduction to Marine Surveying (Detailed)

    • Marine surveying includes inspecting ships, boats, and marine structures
    • Objective: to assess vessel safety, regulatory compliance, and provide information for transactions (purchase, insurance, claims)
    • Marine surveyors advise shipowners, buyers, insurers, and maritime authorities

    Chapter 2: Coastal Engineering (Detailed)

    • Coastal engineering applies various fields to manage and protect coastal environments
    • A multidisciplinary field dealing with erosion, flooding, and climate change
    • Objectives: coastal erosion protection, storm surge control, sustainable development, harbour and port development, ecosystem conservation
    • Coastal structures include seawalls, revetments, breakwaters, groins, and jetties

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    GSV 542 - Marine Surveying (Draft 4) PDF

    Description

    Test your knowledge on Marine Surveying with this quiz focused on Chapter 1. Explore the definition, importance, and types of marine surveys, as well as the tools and techniques used in this field. Perfect for students enrolled in GSV 542.

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