Climate Companion Quiz October 15th Answer: 'X (False)' Korean Sea Level Rise, Our Reality!
The 'Climate Companion Quiz' is back, dedicated to understanding our planet a little better each day and moving forward towards a better future together. Today's (October 15th) topic was a crucial question about 'Korea's sea level change'. Many might think, 'Surely not Korea too?', but our sea levels are indeed changing without exception. With today's quiz answer, let's delve into the reality and severity of sea level rise in Korea.
1. October 15th Climate Companion Quiz Question and Answer
- Today's Topic: Has Korea's sea level really not changed?
- Question: "Although sea levels are rising globally due to climate change, Korea's sea level remains unchanged."
- Answer: X (False)
While many might think sea level rise is an issue for other countries, South Korea is in fact directly affected by climate change.
2. Why is the Sea Level Rising? Global Phenomenon and Korean Reality
The main causes of rising sea levels are as follows:
- Melting Glaciers and Ice Sheets: As the Earth's average temperature rises, polar glaciers and ice sheets melt and flow into the ocean.
- Thermal Expansion of Seawater: The seawater itself expands in volume as its temperature increases.
These two factors combined are causing the height of oceans worldwide to gradually increase, and Korea is no exception.
- Summary of Korean Sea Level Change (since 1980):
- Rate of Increase: Approximately 3.2mm per year (similar to the global average of 3.4mm/year).[【3】](https://blog.naver.com/influencer33/224041559436?fromRss=true&trackingCode=rss)
- Cumulative Increase: Confirmed increase of about 10.7cm over the past 35 years (according to statistics from the Korea Hydrographic and Oceanographic Agency and tidal observation stations).
- Recent Acceleration: Over the last 10 years, the sea level rise rate in Korean waters has been approximately 4.51mm per year on average, showing an accelerating trend compared to the past 30-year average.
- Regional Trends: The East Sea tends to show a slightly larger increase than the West or South Seas.
3. Potential Risks of Korean Sea Level Rise
Rising sea levels are not just about the water getting higher; they can severely impact our lives and environment.
- Increased Risk of Coastal Flooding:
- The South and West coasts, in particular, have extensive flat plains and gentle coastlines, making them highly susceptible to flooding.[【3】](https://blog.naver.com/influencer33/224041559436?fromRss=true&trackingCode=rss)
- In some areas, seawater is already flowing onto roads during high tide.
- Coastal residential areas and roads could be submerged.
- Damage to Fisheries: Changes in seawater salinity and temperature can cause fish habitats to shift or disappear.
- Salinization Issues: Seawater seeps into agricultural lands, making it difficult for crops to grow.
- Erosion of Tourist Spots: There is a risk of beaches and coastal villages disappearing as coastlines retreat.
- Damage to Structures: Coastal structures such as breakwaters can also be damaged.
Future Prediction: Under scenarios of continued greenhouse gas emissions, sea levels around the Korean Peninsula could rise by approximately 53-65cm along the South and West coasts and 74-99cm along the East Coast in the late 21st century.
Time to Recognize the Seriousness of Climate Change and Act
Through today's Climate Companion Quiz, we have clearly learned that 'Korea's sea level is also changing'. Sea level rise is no longer a distant problem but a warning that can directly affect our living spaces and ecosystems. It is crucial to once again recognize the severity of climate change and participate in saving the planet, starting with small actions in our daily lives. Tomorrow, we will learn new knowledge through another environmental quiz.
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