Space-Time Characteristic Analysis of Wind Field over the South Indian Ocean

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摘要 AccordingtotheshipobservationdataovertheSouthIndianOceanduring1950--1995,taking1°×1°and5°×5°grid,thecharacteristicsandvariationruleofwindareanalyzed.Throughanalyzingthechartofisoplethsofthemonthlyelements,theconclusionthattheseasonalvariationofthewindfieldovertheSouthIndianOceanislessremarkablethanthatintheoceansoftheNorthernHemisphereisgot.Theseasonalvariationofthewindfieldisalsoobviousinthisregion,buttheseasonaldifferenceislittle.Thewindinwinterisstrongerthaninsummer,correspondingly,theaveragewindspeedishigher,andthefrequenciesofgaleofforces≥6and8arealsohigher.Thenorthof10°Sisamonsoonarea;Southeastwindprevailsallovertheyearintherestofthetradewindarea;Westerlywinddominatesinthesouthof40°S.Thispaperprovidesspecificdataofwindfieldandvariationforshipoceantransportation,ocean-goingvisitsandscientificexperiment.
机构地区 不详
出处 《海洋通报:英文版》 2003年2期
出版日期 2003年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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