学科分类
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1 个结果
  • 简介:TimeevolutionofionosphericD-regionplasmasincludingtheperturbationsofelectronsandchargedaerosolparticlesisinvestigatedundertheconditionsofpolarmesospheresummerechoes(PMSE).ItisshownthatthetimescaleofdecayoftheelectrondensityisintheorderofanhourundertypicalPMSEconditions,inthemajorityofcases,theelectrondensityisanticorrelatedtotheiondensity,exceptthattheradiusofaerosolparticlesisgreaterthan50nm.Also,theevolutionsundervariedparameters,suchastheamplitudeandwidthofperturbation,theaerosolparticleradius,andthealtitudeofthePMSEoccurrenceareinvestigated.Theobtainedresultsareusefulforinterpretingtheexperimentalobservations.

  • 标签: 气溶胶粒子 密度扰动 中间层 演变 夏季 极地