Results 241 to 250 of about 14,203 (319)

Role of atmospheric rivers in shaping long term Arctic moisture variability. [PDF]

open access: yesNat Commun
Wang Z   +14 more
europepmc   +1 more source
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Spheroidal and spherical geopotential approximations

Quarterly Journal of the Royal Meteorological Society, 2014
It is customary in atmospheric modelling to approximate the equi‐geopotential surfaces of apparent gravity as spheres, and to use spherical polar coordinates to represent the global atmosphere. However Earth's mean surface is more accurately approximated by a spheroid of revolution than by a sphere, and therefore the geopotential surfaces are better ...
Andrew Staniforth
exaly   +4 more sources

Improved Estimation of Regional Surface Mass Variations from GRACE Intersatellite Geopotential Differences Using a Priori Constraints

open access: yesRemote Sensing, 2020
We presented an improved method for estimation of regional surface mass variations from the Gravity Recovery and Climate Experiment (GRACE)-derived precise intersatellite geopotential differences using a priori constraints.
Bo Zhong, Qiong Li, Jianli Chen
exaly   +4 more sources

Characterization of medicanes with a minimal number of geopotential levels

open access: yesInternational Journal of Climatology, 2021
Medicanes are tropical‐like cyclones that develop in the Mediterranean Sea. Due to their harmful potential, the study of medicanes has captured great attention from the scientific community.
Alba De La Vara   +2 more
exaly   +2 more sources

Investigation on Evolutive Laws of Geopotential Height of Two Poles and the Equator at 500hPa Geopotential Height Field

Chinese Journal of Geophysics, 2007
AbstractGeopotential height data at 500hPa level in recent 50 years is used to investigate the evolutive laws of Antarctic, Equatorial and Arctic geopotential heights, zonal wind, and the correlation between one and another. Results show that Antarctic (Equatorial) geopotential height descends (ascends) evidently.
Su-Yu Yang   +4 more
exaly   +3 more sources

Evaluation of Geopotential Height at 500 hpa with Rainfall Events: A Case Study of Iraq

open access: yesMustansiriyah Journal of Science, 2022
The geopotential height at 500 hPa is a key factor in determining the weather and climate conditions around the world. This paper aims to study the effect of 500hpa geopotential height in Iraq weather from a synoptic perspective and evaluation the ...
Ahmed S Hassan
exaly   +3 more sources

An Assessment of the GOCE High-Level Processing Facility (HPF) Released Global Geopotential Models with Regional Test Results in Turkey

open access: yesRemote Sensing, 2020
The launch of dedicated satellite missions at the beginning of the 2000s led to significant improvement in the determination of Earth gravity field models.
Bihter Erol   +2 more
exaly   +2 more sources

Estimation of the height datum geopotential value of Hong Kong using the combined Global Geopotential Models and GNSS/levelling data

Survey Review, 2021
The advent of the Gravity Recovery and Climate Experiment (GRACE) and Gravity field and steady-state Ocean Circulation Exploration (GOCE) has changed the global contribution in the determination of high-accuracy global geopotential models (GGMs). In this
Panpan Zhang   +3 more
semanticscholar   +1 more source

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