6/2/2005 1

The Ionosphere

Art RichmondHigh Altitude Observatory

Space Weather ColloquiumJune 2, 2005

- Morphology- Effects on radio waves- Ionization- Ion chemistry- Transport by diffusion, wind, electric field

6/2/2005 2

6/2/2005 3

6/2/2005 4

6/2/2005 5

6/2/2005 6

6/2/2005 7

6/2/2005 8

The Solar Spectrum

6/2/2005 9

6/2/2005 10

Principal Ionization Processes on Earth

6/2/2005 11

6/2/2005 12

6/2/2005 13

6/2/2005 14

6/2/2005 15

6/2/2005 16

6/2/2005 17

6/2/2005 18