A comparison between ground-based observations of noctilucent clouds and Aura satellite data

被引：18

作者：

Dalin, P. ^{[1
,2
]}

Pertsev, N. ^{[3
]}

Dubietis, A. ^{[4
]}

Zalcik, M. ^{[5
]}

Zadorozhny, A. ^{[6
]}

Connors, M. ^{[7
]}

Schofield, I. ^{[7
]}

McEwan, T. ^{[8
]}

McEachran, I. ^{[8
]}

Frandsen, S. ^{[9
]}

Hansen, O. ^{[10
]}

Andersen, H. ^{[10
]}

Sukhodoev, V. ^{[3
]}

Perminov, V. ^{[3
]}

Balciunas, R. ^{[4
]}

Romejko, V. ^{[11
]}

机构：

[1] Swedish Inst Space Phys, SE-98128 Kiruna, Sweden

[2] RAS, Space Res Inst, Moscow 117997, Russia

[3] RAS, AM Obukhov Inst Atmospher Phys, Moscow 119017, Russia

[4] Vilnius Univ, Dept Quantum Elect, LT-10222 Vilnius, Lithuania

[5] NLC CAN AM Network, Edmonton, AB T5C 1L6, Canada

[6] Novosibirsk State Univ, Novosibirsk 630090, Russia

[7] Athabasca Univ, Geophys Observ, Athabasca, AB T9S 3A3, Canada

[8] NLC NET, Glengarnock KA14 3BA, Ayr, Scotland

[9] Univ Aarhus, DK-8000 Aarhus, Denmark

[10] Danish Assoc NLC Res, DK-7470 Kolvra, Karup J, Denmark

[11] Moscow Assoc NLC Res, Moscow 119334, Russia

来源：

JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS | 2011年 / 73卷 / 14-15期

关键词：

Noctilucent clouds; Planetary waves; Atmospheric dynamics; PLANETARY-WAVES; EOS MLS; TEMPERATURE; CIRCULATION; MESOSPHERE; EUROPE; MOSCOW; NLC;

D O I：

10.1016/j.jastp.2011.01.020

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

A comparison is made between ground-based observations of noctilucent clouds (NLCs), obtained with a network of automated digital cameras, and Aura satellite data (the MLS instrument). The Aura data (water vapor and temperature) demonstrate reasonable values around the summer mesopause fostering NLC formation in June through August, when supersaturated air conditions occur. The temperature decrease leads, in general, to amplification of the NLC brightness. The 2- and 5-day planetary waves, extracted from the Aura temperature field, have definite influence on the brightness variations of NLCs. The temperature behavior around the summer mesopause at 60 degrees N demonstrated a remarkable feature, namely, in 2007 the minimum of a Gaussian fitted seasonal temperature variation was observed, on average, 14 days earlier and was broader than the corresponding minimum in 2008. The different temperature climatology resulted in different seasonal variation of NLCs in 2007 and 2008: in particular, the maximum of a Gaussian fitted seasonal variation of the NLC brightness cycle in 2007 was advanced by 12-29 days relative to that in 2008. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：2097 / 2109

页数：13

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