Regional millennial trend in the cosmic ray induced ionization of the troposphere

被引：26

作者：

Usoskin, I. G. ^{[1
]}

Mironova, I. A. ^{[2
]}

Korte, M. ^{[3
]}

Kovaltsov, G. A. ^{[4
]}

机构：

[1] Univ Oulu, Sodankyla Geophys Observ, Oulu Unit, Oulu 90014, Finland

[2] St Petersburg State Univ, Inst Phys, St Petersburg, Russia

[3] GFZ German Res Ctr Geosci, Helmholtz Ctr Potsdam, Potsdam, Germany

[4] AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia

来源：

JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS | 2010年 / 72卷 / 01期

基金：

芬兰科学院;

关键词：

Paleomagnetism; Cosmic rays; Atmosphere; Climate; Holocene; EARTHS MAGNETIC-FIELD; SOLAR-ACTIVITY; CLIMATE; ATMOSPHERE; TRANSITION; RESOLUTION; MODELS; LINK;

D O I：

10.1016/j.jastp.2009.10.003

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：

Long-term trends in the tropospheric cosmic ray induced ionization on the multi-millennial time scale are studied using the newly released paleomagnetic reconstruction models, Spatial and temporal variations of the tropospheric ionization has been computed using the CRAC:CRII model and applying the paleomagnetic CALS7k.2 reconstruction It has been shown that long-term variations of the tropospheric ionization are not spatially homogeneous, and they are defined not only by solar (I e., covariant with solar irradiance) changes but also by the geomagnetic field The dominance of the two effects is geographically separated, which makes it possible to distinguish between direct and indirect solar-terrestrial climate effects. Possible climate applications are considered (C) 2009 Elsevier Ltd All rights reserved.

引用

页码：19 / 25

页数：7

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