Sea level - Wikipedia
网页Mean sea level (MSL, often shortened to sea level) is an average surface level of one or more among Earth 's coastal bodies of water from which heights such as elevation may be measured.
Sea level Definition & Meaning - Merriam-Webster
网页2024年9月10日 — The meaning of SEA LEVEL is the level of the surface of the sea especially at its mean position midway between mean high and low water.
Sea Level - National Geographic Society
网页2023年10月19日 — Sea level is the base level for measuring elevation and depth on Earth. Because the ocean is one continuous body of water, its surface tends to seek the same level throughout the world. However, winds, currents, river discharges, and variations in gravity and temperature prevent the sea surface from being truly level.
Sea level | Rising Tide, Climate Change & Global Warming
网页2024年8月8日 — sea level, position of the air-sea interface, to which all terrestrial elevations and submarine depths are referred. The sea level constantly changes at every locality with the changes in tides, atmospheric pressure, and wind conditions. Longer-term changes in sea level are influenced by Earth’s changing climates.
SEA LEVEL | English meaning - Cambridge Dictionary
网页SEA LEVEL definition: 1. the average height of the sea where it meets the land: 2. the average height of the sea where…. Learn more.
SEA LEVEL | definition in the Cambridge English Dictionary
网页SEA LEVEL meaning: 1. the average height of the sea where it meets the land: 2. the average height of the sea where…. Learn more.
SEA LEVEL Definition & Meaning | Dictionary.com
网页The level of the ocean's surface. Sea level at a particular location changes regularly with the tides and irregularly due to conditions such as wind and currents. Other factors that contribute to such fluctuation include water temperature and salinity, air pressure, seasonal changes, the amount of stream runoff, and the amount of water that is ...
Overview | Understanding Sea Level - NASA Sea Level Change …
网页Learn more about the different causes of sea level change and the scientific background of observations and projecting sea level. Find out about the history of measuring sea level and how state-of-the-art physical climate models predict sea level change into the future. We explain the current and projected rates and how they are derived.
Sea Level 101: What Determines the Level of the Sea?
网页2020年6月3日 — Measuring ocean surface topography allows us to understand ocean circulation (how our ocean stores energy from the Sun and moves it around our planet), accurately track changes in global sea level, and understand how the ocean joins forces with Earth’s atmosphere to create our weather and climate, …
Overview | Global Sea Level – NASA Sea Level Change Portal
网页Global mean sea level provides an integrative measure of the state of the climate system, encompassing both the ocean and cryosphere (ice covered portions of Earth), and it can be viewed as an important indicator of what is happening to the climate in the present and what may happen in the future.