What is Coastal Erosion
The term “coastal erosion” means the destruction and erosion of coastal zones. The regions that are close to oceans and the seas. Coastal erosion and climate change is not only impacting the main beaches and coastal areas. But also the cities and areas that are near rivers and smaller sizes of seas. This could be due to a mix of environmental change and the poor management habits of the locals. The danger of drowning has increased because the waters near the shoreline are getting deeper. Waves are becoming more intense.
Climate Change affecting Coastal areas?
The record-breaking temperatures of the sea have been recorded in recent times because of global warming due to climate changes. The growth of algae in seawater is the main reason for high temperatures in the coastline. The more intense storms translate to bigger, more powerful waves. It’s a given fact that storms and hurricanes have grown stronger and more intense and continue to get more powerful because of the impact of the changing climate on our oceans.
That means that the waves that strike the shores of our coastlines due to storm surges as well as other weather events are not going to just cause more damage to the struggling reefs , but will also contribute to more erosion of our coastline. The consequences are growing exponentially and can be devastating.
The effects of climate change will be exacerbate the issues coastal regions already confront. The current challenges facing the coastal ecosystems and infrastructure that is created by humans like erosion of the shoreline, water pollution and coastal flooding is a major issue in a variety of areas. The extra strain from coastal erosion, climate change might require new strategies for managing water, land and waste as well as ecosystems.
Sea level affects coastal erosion and climate change.
At a specific location, the changes in sea levels that are seen is influenced by rise in global sea levels as well as the sliding of land upwards or downwards. A land motion could be caused through subsidence of coastal land, water and oil removal activities, melting of ice, or tectonic motion. The phrases “local” as well as “relative” sea levels refer to the world wide shift in sea level as well as the impact of land movement.
Most likely due to these variations in land and land movement, estimates of the future’s sea level rises are different across regions. Climate change models predict sea level rise globally and accelerated during the 20th century. Models based on the expansion of thermal energy and melting of ice approximately that world wide sea levels are mostly to increase between 1 and 3 feet by close in the next century. The majority of the models don’t. Anyhow, include all the exact outputs of the ice sheets to heat up temperatures that may additional increase the sea level. However, it is not likely to rise over one inch.
Adjusting to changes at the coast
The most efficient method of stopping the negative effects. Climate change has on the coastline is to lower CO2 emissions.
However, it is essential to recognize that a certain amount of impact, especially due to processes such as sea rise is established. Planning for adaptation is essential to ensure that impacts are managed effectively.
Coast Adapt identifies adaptation options for:
- Ecosystem management
- social community
- Education measures
Effects from Coastal Area’s Water Temperature
Coastal water has heated up from last century, they are mostly to continue to heat up in twenty first century , from as much as 4 to 8°F. This heat ness may lead to major changings in coastal biosphere, affecting the species which colonize these areas.
The warming of coastal water is causing habitats suitable for temperature sensitive species to shift towards the poles. some areas have recently seen changes in the range of warm and cold water fish and other marine life.
How can we take action to combat ocean erosion as well as climate change?
- There are a variety of strategies to tackle coastal erosion and climate change. These can be categorized as soft or hard engineering. Hard engineering is the creation of permanent structures in order to alter patterns of erosion along the coastline. Examples of this include jetties and groynes, usually built from rocks, as the frequency and intensity of beach erosion rise. We could see many of them and other structures that serve similar goals.
Soft Engineering’s role in reducing erosion of the coast
- Soft engineering is the process of designing and planning for long-term beach use. It is largely based on research that seeks to comprehend erosion on the coastline. Other natural and human-caused events put the beach in danger. The proper control of built environments along coasts is also a key factor. Because developments that are too close to the beach may eventually result in its destruction. One of the most creative mitigation methods is to nourish the beach.
- In 2014, following many years of severe erosion, scientists from Marine Lab Discovery were capable of effectively, reducing erosion on a small portion of the beach by making use of Shore lock Coastal Restoration Technology which is a non-toxic material. It is mixed with sand on the beach; it helps the sand particles stay together, which reduces erosion losses. Even though they are effective, technology such as this requires further research and can be costly to purchase, especially on the scale required to be effective.
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