Laboratory and in situ evidence for the presence of ice particles in a PMSE region

Autor:	Georg Witt, D. Yu. Dubov, A. M. Zadorozhny, V. G. Kazakov, V. N. Kikhtenko, O. A. Bragin, A. A. Tyutin, Anatoly A. Vostrikov
Rok vydání:	1997
Předmět:	Range (particle radiation) Materials science business.product_category Ice crystals law.invention Computational physics Mesosphere Geophysics Rocket law Electric field General Earth and Planetary Sciences Particle size Radar business Remote sensing Field mill
Zdroj:	Geophysical Research Letters. 24:841-844
ISSN:	0094-8276
Popis:	An interpretation is made of rocket data obtained from an electric field mill (EFM) sensor during the international rocket-radar campaign NLC-91. The interpretation is based on a laboratory study of the interaction of a water particle beam with the EFM recovered after the rocket flight. Both rocket and laboratory data show that the field mill is sensitive to ice microparticle impacts and that perturbations in the EFM signal observed in the vicinity of noctilucent clouds and an enhanced radar echo (PMSE) layer are caused not only by atmospheric electric fields but also by the impact of solid particles. The altitude range of the impact signatures suggests the presence of ice particles in the PMSE region above the height of the optically detected noctilucent clouds. The analysis of the rocket data on the basis of the laboratory results allows us to estimate sizes of these PMSE particles to be 13–40 nm.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::b4d87dad8f59fd82153cc1ea95f32907 https://doi.org/10.1029/97gl50866 Zobrazit plný text záznamu Plný text