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The figure below shows flux of protons in the inner radiation belt (top panel) and electrons in the outer belt (bottom panel) from 1992 to 2001. Based on this figure, estimate the year in which the flux of galactic cosmic rays at Earth was the highest.

The figure below shows flux of protons in the inner radiation belt (top panel) and electrons in the outer belt (bottom panel) from 1992 to 2001. Based on this figure, estimate the year in which the flux of galactic cosmic rays at Earth was the highest.

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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The figure below shows flux of protons in the inner radiation belt (top panel) and electrons in the outer belt (bottom panel) from 1992 to 2001. Based on this figure, estimate the year in which the flux of galactic cosmic rays at Earth was the highest. 2.2 100 1.4 40 20 3 2 -20 1 -40 2 1993 1994 1995 1996 1997 1998 1999 2000 2001 Figure 1. Selected SAMPEX measurements of protons of 19-27.4 MeV (#/cm²-s-sr-MeV) and electror in logarithm, in bins of 0.1 L) since launch (July 3, 1992) and sunspot number and Dst index for the same period. The protons and sunspot numbers are window-averaged over a 9-month period and the electron and Dst index is window-averaged over a 30-day period in order to show the overall feature. The yellow vertical bars on the horizontal axis are marks of equinoxes. of 2-6 MeV (#/cm²-s-sr A. 1992 B. 1994 O C. 1996 O D. 2001 Electrons (color-coded) 1.33<L<1.42 Protons (Lu) Ba
Transcribed Image Text:The figure below shows flux of protons in the inner radiation belt (top panel) and electrons in the outer belt (bottom panel) from 1992 to 2001. Based on this figure, estimate the year in which the flux of galactic cosmic rays at Earth was the highest. 2.2 100 1.4 40 20 3 2 -20 1 -40 2 1993 1994 1995 1996 1997 1998 1999 2000 2001 Figure 1. Selected SAMPEX measurements of protons of 19-27.4 MeV (#/cm²-s-sr-MeV) and electror in logarithm, in bins of 0.1 L) since launch (July 3, 1992) and sunspot number and Dst index for the same period. The protons and sunspot numbers are window-averaged over a 9-month period and the electron and Dst index is window-averaged over a 30-day period in order to show the overall feature. The yellow vertical bars on the horizontal axis are marks of equinoxes. of 2-6 MeV (#/cm²-s-sr A. 1992 B. 1994 O C. 1996 O D. 2001 Electrons (color-coded) 1.33<L<1.42 Protons (Lu) Ba
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