What is the sea level?
Q: What is the sea level?
A: The sea level is the average height of the ocean or the height of the ocean's surface from another point of reference.
Q: What causes changes in the sea level?
A: The sea level changes with the tides and weather events such as tsunamis, hurricanes, and cyclones. Additionally, global warming causes the sea level to rise.
Q: What does the word "average" mean when talking about the sea level?
A: The word "average" is used when talking about the sea level because the height of the sea changes with the tides.
Q: How is the height of mountains and countries given?
A: The height of mountains, countries, and so on is almost always given as "above sea level."
Q: What is global warming's effect on sea levels?
A: Global warming causes the sea level to rise due to melting ice caps and glaciers, and the expansion of seawater as it warms.
Q: Can weather events like tsunamis cause changes in the sea level?
A: Yes, weather events such as tsunamis, hurricanes, and cyclones can cause changes in the sea level.
Q: What is the difference between sea level and above-sea-level measurements?
A: Sea level is the average height of the ocean, while above-sea-level measurements refer to the height of other land features such as mountains, countries, and so on.
