Geopotential - Wikipedia
网页Geopotential is the potential of the Earth's gravity field. For convenience it is often defined as the negative of the potential energy per unit mass, so that the gravity vector is obtained as the gradient of the geopotential, without the negation.
Geopotential height - Wikipedia
网页Geopotential height or geopotential altitude is a vertical coordinate referenced to Earth's mean sea level (assumed zero geopotential) that represents the work involved in lifting one unit of mass over one unit of length through a hypothetical space in which the acceleration of gravity is assumed constant. [1]
Geopotential - an overview | ScienceDirect Topics
网页The geopotential Φ at any point in the Earth's atmosphere is defined as the work that must be done against the Earth's gravitational field to raise a mass of 1 kg from sea level to that point. In other words, Φ is the gravitational potential per unit mass. The units of geopotential are J kg −1 or m 2 s −2.
Geopotential Datums | Research | National Geodetic Survey
网页The physical shape of the Earth is used to define a vertical reference system in the US and its territories. Applications using the geopotential surface include: navigation, coastal modeling, agriculture, risk assessment for flooding, and many other applications.
位势高度 - 维基百科，自由的百科全书
网页位势高度（英語： geopotential height ）是气象学中使用的一种假想高度，指与大气中某一点的重力位势（单位质量的空气相对于平均海平面的势能）成正比的高度，单位为位势米。
The Geopotential Surface | Geopotential Datums | Research
网页The Geopotential Surface. Research question: How can we define the physical shape of the Earth? The Earth’s shape can be described in simple mathematical form as an ellipsoid, or an oblate spheroid, with a radius at the equator larger than at the poles.
Geopotential - an overview | ScienceDirect Topics
网页Geopotential refers to a representation of the Earth's potential that satisfies Laplace's equation and is used to approximate mean sea level by creating equipotential surfaces of the Earth's gravity field. AI generated definition based on: Encyclopedia of Physical Science and Technology (Third Edition), 2003. About this page. Add to Mendeley.
Geopotential Height - an overview | ScienceDirect Topics
网页2011年2月2日 — Geopotential height refers to the height of a specific pressure level in the Earth's atmosphere, and it is commonly used to observe wave structures in temperature and wind fields. AI generated definition based on: Encyclopedia of Atmospheric Sciences (Second Edition), 2015
Geopotential - SpringerLink
网页2014年1月1日 — The gravitational potential of the Earth, the geopotential, is presented as a limited expansion gathering the geodynamical parameters. When the representation of the Earth passes the ellipsoid of revolution to the geoid, …
Explanation of geopotential height - Earth Science Stack Exchange
网页2024年1月19日 — In other words, it is the geopotential height (of the 500 hPa isobaric surface). The 5.5 km estimate is just that- an estimate or rule of thumb. It goes down in areas of low pressure (and when the average column of air is cool) and goes up in areas of high pressure (and when the average column of air is warm).
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