Sea level
Sea level refers to the average level of the ocean's surface, used as a baseline for measuring elevation and depth. It is a critical factor in various areas of study, including geography, geology, meteorology, and climate change.
Measurement[edit | edit source]
Sea level is measured by both satellite and onshore gauges. Satellite altimetry provides a more accurate measurement, but onshore gauges have been in use for a longer period, providing valuable historical data.
Changes in Sea Level[edit | edit source]
Changes in sea level can be categorized as either eustatic (global) or isostatic (local). Eustatic changes are caused by an increase or decrease in the volume of water in the world's oceans, usually due to climate change. Isostatic changes are caused by the rise or fall of the land.
Effects of Climate Change[edit | edit source]
Climate change is a significant factor in sea level changes. As global temperatures rise, so do sea levels, due to the melting of glaciers and polar ice caps, and the thermal expansion of seawater.
Impact[edit | edit source]
Changes in sea level can have significant impacts on human and natural systems. These include increased flooding, damage to infrastructure, loss of land, and impacts on wildlife and ecosystems.
See Also[edit | edit source]
References[edit | edit source]
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Contributors: Prab R. Tumpati, MD