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The Bottomside Parameters B0, B1 Obtained from Incoherent Scatter Measurements During a Solar Maximum and Their Comparisons with the Iri-2001 Model : Volume 20, Issue 6 (30/11/-0001)

By Sethi, N. K.

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Book Id: WPLBN0004001098
Format Type: PDF Article :
File Size: Pages 6
Reproduction Date: 2015

Title: The Bottomside Parameters B0, B1 Obtained from Incoherent Scatter Measurements During a Solar Maximum and Their Comparisons with the Iri-2001 Model : Volume 20, Issue 6 (30/11/-0001)  
Author: Sethi, N. K.
Volume: Vol. 20, Issue 6
Language: English
Subject: Science, Annales, Geophysicae
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
-0001
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

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Mahajan, K. K., & Sethi, N. K. (-0001). The Bottomside Parameters B0, B1 Obtained from Incoherent Scatter Measurements During a Solar Maximum and Their Comparisons with the Iri-2001 Model : Volume 20, Issue 6 (30/11/-0001). Retrieved from http://www.hawaiilibrary.net/


Description
Description: Radio and Atmospheric Sciences Division, National Physical Laboratory, Dr. K. S. Krishnan Road, New Delhi – 110 012, India. High resolution electron density profiles (Ne) measured with the Arecibo (18.4 N, 66.7 W), Incoherent Scatter radar (I. S.) are used to obtain the bottomside shape parameters B0, B1 for a solar maximum period (1989–90). Median values of these parameters are compared with those obtained from the IRI-2001 model. It is observed that during summer, the IRI values agree fairly well with the Arecibo values, though the numbers are somewhat larger during the daytime. Discrepancies occur during winter and equinox, when the IRI underestimates B0 for the local times from about 12:00 LT to about 20:00 LT. Furthermore, the IRI model tends to generally overestimate B1 at all local times. At Arecibo, B0 increases by about 50%, and B1 decreases by about 30% from solar minimum to solar maximum.

Key words. Ionosphere (equational ionosphere; modeling and forecasting)


Summary
The bottomside parameters B0, B1 obtained from incoherent scatter measurements during a solar maximum and their comparisons with the IRI-2001 model

 

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