منابع مشابه
Climatology of Cyclones, Anticyclones and Storm Tracks: Revision of Concepts
This paper has the finality of describe climatology of extratropical cyclones, anticyclones and storm tracks for the NH and SH. There is a long history of studies on the characteristics of synoptic systems, beginning with classical work on mid-latitude cyclones. For the SH, analyses of pressure data provide extensive statistics of the climatology of synoptic systems. Interestingly, the anticycl...
متن کاملA Diagnostic Comparison of Alaskan and Siberian Strong Anticyclones
Strong anticyclones have a significant impact on the cool season climate over midand high-latitude landmasses as they are typically accompanied by arctic air masses that can eventually move into populated midlatitude regions. Composite analyses of Alaskan and Siberian strong anticyclones based on sea level pressure (SLP) thresholds of 1050 and 1060 hPa, respectively, were performed to diagnose ...
متن کاملA climatology of stratospheric polar vortices and anticyclones
[1] United Kingdom Meteorological Office global analyses from 1991 to 2001 are used to create a global climatology of stratospheric polar vortices and anticyclones. New methodologies are developed that identify vortices in terms of evolving three-dimensional (3-D) air masses. A case study illustrates the performance of the identification schemes during February and March of 1999 when a merger o...
متن کاملIsopycnal displacements within the Cape Basin thermocline as revealed by the Hydrographic Data Archive
The transfer of upper kilometer water from the Indian Ocean into the South Atlantic, the Agulhas leakage, is believed to be accomplished primarily through meso-scale eddy processes. There have been various studies investigating eddies of the ‘‘Cape Basin Cauldron’’ from specific data sets. The hydrographic data archive acquired during the last century within the Cape Basin region of the South A...
متن کاملClouds in Tropical Cyclones
Clouds within the inner regions of tropical cyclones are unlike those anywhere else in the atmosphere. Convective clouds contributing to cyclogenesis have rotational and deep intense updrafts but tend to have relatively weak downdrafts. Within the eyes of mature tropical cyclones, stratus clouds top a boundary layer capped by subsidence. An outward-sloping eyewall cloud is controlled by adjustm...
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ژورنال
عنوان ژورنال: Science
سال: 1891
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.ns-17.416.47