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Space Weather and Dangerous Phenomena on the Earth: Principles of Great Geomagnetic Storms Forcasting by Online Cosmic Ray Data : Volume 23, Issue 9 (22/11/2005)

By Dorman, L. I.

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Book Id: WPLBN0003974647
Format Type: PDF Article :
File Size: Pages 6
Reproduction Date: 2015

Title: Space Weather and Dangerous Phenomena on the Earth: Principles of Great Geomagnetic Storms Forcasting by Online Cosmic Ray Data : Volume 23, Issue 9 (22/11/2005)  
Author: Dorman, L. I.
Volume: Vol. 23, Issue 9
Language: English
Subject: Science, Annales, Geophysicae
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Historic
Publication Date:
2005
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Dorman, L. I. (2005). Space Weather and Dangerous Phenomena on the Earth: Principles of Great Geomagnetic Storms Forcasting by Online Cosmic Ray Data : Volume 23, Issue 9 (22/11/2005). Retrieved from http://hawaiilibrary.net/


Description
Description: Israel Cosmic Ray and Space Weather Center and Emilio Segre’ Observatory, affiliated to Tel Aviv University, Technion and Israel Space Agency, P. O. Box 2217, Qazrin 12900, Israel. According to NOAA space weather scales, geomagnetic storms of scales G5 (3-h index of geomagnetic activity Kp=9), G4 (Kp=8) and G3 (Kp=7) are dangerous for satellites, aircrafts, and even for technology on the ground (influence on power systems, on spacecraft operations, on HF radio-communications and others). We show on the basis of statistical data, that these geomagnetic storms, mostly accompanied by cosmic ray (CR) Forbush-decreases, are also dangerous for people's health on spacecraft and on the ground (increasing the rate of myocardial infarctions, brain strokes and car accident road traumas). To prevent these serious damages it is very important to forecast dangerous geomagnetic storms. Here we consider the principles of using CR measurements for this aim: to forecast at least 10-15h before the sudden commencement of great geomagnetic storms accompanied by Forbush-decreases, by using neutron monitor muon telescope worldwide network online hourly data. We show that for this forecast one may use the following features of CR intensity variations connected with geomagnetic storms accompanied by Forbush-decreases: 1) CR pre-increase, 2) CR pre-decrease, 3) CR fluctuations, 4) change in the 3-D CR anisotropy.

Summary
Space weather and dangerous phenomena on the Earth: principles of great geomagnetic storms forcasting by online cosmic ray data

 

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