Corrosion and Sand Dunes Formation Quiz

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What are the factors that influence the stability of depositional features in coastal environments?

Sediment supply, wave energy, currents, and sea level changes

What is the importance of understanding the factors influencing the stability of coastal depositional features?

It helps assess the resilience of coastal depositional features

How can fluctuations in sea levels affect the stability of depositional features?

By causing erosion and destabilization

What is the impact of high wave energy and strong currents on the stability of depositional features?

<p>They erode or redistribute sediment, impacting stability</p> Signup and view all the answers

How does sediment supply from offshore sources affect the stability of depositional features?

<p>It maintains the stability of coastal landforms</p> Signup and view all the answers

What are the factors that contribute to the impact of subaerial processes on coastal landforms in certain parts of the world?

<p>Climate, geological composition, and human activities</p> Signup and view all the answers

What is an environmental challenge that can exacerbate coastal flooding in developing countries?

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

What is a governance challenge faced by developing countries in relation to coastal management?

<p>Inadequate regulations and enforcement mechanisms</p> Signup and view all the answers

What is a factor contributing to uncertainty in coastal management due to global warming?

<p>Sea-level rise projections</p> Signup and view all the answers

What is a coastal ecosystem loss that can weaken resilience to flooding events?

<p>All of the above</p> Signup and view all the answers

What is a key reason for inadequate planning and preparedness for coastal flooding incidents in developing countries?

<p>Inadequate regulations, enforcement mechanisms, and coordination among government agencies</p> Signup and view all the answers

What is a factor that contributes to sea-level rise, leading to uncertainty in coastal management?

<p>All of the above</p> Signup and view all the answers

What is the process that involves the dissolution of rock material by acidic or alkaline fluids?

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

What is the role of plants in the formation of sand dunes?

<p>To trap material and create an embrio dune</p> Signup and view all the answers

How does vegetation influence rates of coastal recession?

<p>It can both minimize and exacerbate coastal recession</p> Signup and view all the answers

What is the effect of strong winds on sand dunes?

<p>They increase the height of sand dunes</p> Signup and view all the answers

What type of plant can lead to more erosion due to the release of a type of chemical?

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

What is the role of mangroves in coastal erosion?

<p>They act as a buffer zone to minimize coastal erosion</p> Signup and view all the answers

What is a natural factor that contributes to variations in erosion rates?

<p>Natural variability in weather patterns</p> Signup and view all the answers

What is a result of the construction of coastal structures according to the text?

<p>Disruption of sediment transport</p> Signup and view all the answers

Why are areas with low-lying topography more vulnerable to erosion?

<p>Because they are exposed to increased erosion as sea levels rise</p> Signup and view all the answers

What is an example of an anthropogenic factor?

<p>Coastal development</p> Signup and view all the answers

What can lead to unintended consequences, such as accelerated erosion in adjacent areas?

<p>Erosion mitigation measures</p> Signup and view all the answers

How does coastal topography relate to the impact of storm surges?

<p>It has a direct link to the impact of storm surges</p> Signup and view all the answers

What is a major reason why Bangladesh's coastal region is susceptible to inundation?

<p>Low-lying topography</p> Signup and view all the answers

What is the name of one of the major rivers mentioned in the text?

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

Why do tropical cyclones pose a significant risk of coastal flooding and erosion in Bangladesh?

<p>They combine with high tides</p> Signup and view all the answers

Why does the high population density of Bangladesh exacerbate the vulnerability of coastal communities?

<p>It increases the potential human and economic impact</p> Signup and view all the answers

What makes the inhabitants of Bangladesh's coastal areas more vulnerable to the impacts of flooding and sea level rise?

<p>Their economic marginalization</p> Signup and view all the answers

How do the rivers of Bangladesh contribute to the vulnerability of the region?

<p>They amplify the impacts of flooding and sea level rise</p> Signup and view all the answers

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