Sunday, May 5, 2019

COASTAL HAZARDS

Coastal Erosion
is the loss of subaerial landmass into a sea or lake due to natural processes such as waves, winds and tides, or even due to human interference

5 Types of Coastal Erosion 

Corrasion is when waves pick up beach material and hurl them at the base of a cliff.

Abrasion occurs as breaking waves which contain sand and larger fragments erode the shoreline or headlandIt is commonly known as the sand paper effect.

When waves hit the base of a cliff air is compressed into cracks. When the wave retreats the air rushes out of the gap. Often this causes cliff material to break away. This process is known as hydraulic action.

Attrition is when waves cause rocks and pebbles to bump into each other and break up.

Corrosion/solution is when certain types of cliff erode as a result of weak acids in the sea.

Damage
Coastal erosion creates a significant amount of damage in many ways. One major damage caused by coastal erosion is the fact that is damages ecosystems. Coastal erosion destroys the wetlands that wildlife depends on. Another way coastal erosion is damaging is by destroying living space for people. In Pacifica California 15 miles away from San Francisco Dozens of homes were inhabitable due to the sea cliff eroding out from under the houses. The Erosion displaces many family's. 

Cambodia Coastal Erosion
Coastal erosion in Cambodia is becoming more common and dangerous.
Many of Cambodia's tourist attractions are beaches that are needed to sustain the local economy. With the damages that can happen with coastal erosion is can greatly impact the way of life for many Cambodian people. Cambodia’s National Committee for Coastal Management and Development's solution to the erosion problem is to build 17 sea gates along the coast in Sihanoukville province to protect beaches that are suffering.The Department of Land Management, Urban Planning and Construction in Sihanoukville province was surveys the coastline and identifies areas to build sea gates.Over 1.5 Million people visit Sihanoukville each year. 

RESOURCES
//www.ttrweekly.com/site/2016/06/erosion-threatens-cambodias-beaches/

Coastal Processes - Internet Geography - Learn on the Internet

1 comment:

  1. Hi Sebastian!
    Great blog. It is very unfortunate that Cambodia has to deal with Coastal erosion. A lot of homes are being destroyed because of that. It is also very upsetting that it displaces families...

    ReplyDelete