First Name
Last Name
Email (required)
I agree to receive emails from the National Academies (required)

We respect your privacy and will never share your information.

Search this publication

Front Matter i-xviii
Answering the Scientific Questions 4-21
References 22-23
International Magnetospheric Study First Report Spacecraft Missions 24-24
Membership 25-26
Summary d 27-27
Introduction 28-30
Physical Problems To Be Attacked 31-35
Approved Spacecraft Missions and Recommendations for Filling Existing Gaps 36-36
Critical Gaps and Corresponding Recommendations 37-39
Ground-based Ballon and Rocket Observations 40-41
Data Acquisition and Utilization 42-43
International Magnetospheric Study Second Report Ground Based Balloon and Rocket Programs 44-50
Introduction 51-53
Physical Problems and Recommended Gbr Techniques 54-55
Processes in the Auroral Oval and Polar Caps 56-56
Auroral Particles and Electromagnetic Waves 57-58
Polar Electrojet 59-60
Activity Over the Polar Caps 61-62
Field Aligned Currents and Electric Fields 63-63
Motions of Auroral Oval Boundaries 64-64
Thermospheric Heating 65-65
Propagation of Auroral Energy Towards Lower Latitudes 66-66
The Plasmapause 67-67
General Description of Magnetcsphereioncsphere Coupling in the Vicinity of the Plasmapause 68-69
Dynamic Behaviour How Coupled Plasmapause Effects Develop and Decay in Time 70-70
Ionospheric Effects of Multiple Equatorial Plasmapause Profiles 71-71
The Sq Current System 72-72
Whistler and Ulf Ducts 73-73
Ionization Interchange Between Plasmasphere and Ionosphere During Quiet Conditions and During Large Magnetic Storms 74-74
Regions of Detached High Density Plasma 75-75
Wave-particle Interactions 76-76
Other Interactions 77-77
Active Magnetospheric Experiments 78-78
Wave Injections 79-80
Particle Injections 81-81
Special Needs 82-82
Conjugate Point Experiments 83-84
Supporting Activities 85-85
Magnetospheric Indices 86-86
Standardization of Data Formats and Circulation 87-96

Log In

Former MyNAP users: You'll need to reset your password on your first login to MyAcademies. Click "Forgot password" below to receive a reset link via email. Having trouble? Visit our FAQ page to contact support.

Members of the National Academy of Sciences, National Academy of Engineering, or National Academy of Medicine should log in through their respective Academy portals.

Email (required)
Password (required)

Don't have an account?

Register

Email (required)
New password (required)
Retype password (required) Password must be at least 8 characters
I agree to receive emails from the National Academies
I accept the terms of use
terms of use

Download as a Guest

While logged on as a guest, you can download any of our free PDFs on nationalacademies.org . You will remain logged in until you close your browser.

Email (required)
Yes, send me emails when similar titles are published
Yes, I accept the terms of use
terms of use

Thank You

Thank you for creating a MyAcademies account!

Enjoy free access to thousands of National Academies' publications, a 10% discount off every purchase, and build your personal library.

Forgot Password

Enter the email address for your MyAcademies (formerly MyNAP) account to receive password reset instructions.

Email (required)

Reset Requested

We sent password reset instructions to your email . Follow the link in that email to create a new password. Didn't receive it? Check your spam folder or contact us for assistance.

Reset Password

New password (required)
Retype password (required) Password must be at least 8 characters

Reset Password

Your password has been reset.

Verify email

Verify Your Email Address

We sent a verification link to your email. Please check your inbox (and spam folder) and follow the link to verify your email address. If you did not receive the email, you can request a new verification link below

International Magnetospheric Study: guidelines for United States participation : report of a Joint Ad Hoc Study Panel on the IMS of the Committee on Solar-Terrestrial Research and the Space Science Board, National Research Council. (1973)

Chapter: Magnetospheric Indices

My Academies

International Magnetospheric Study: guidelines for United States participation : report of a Joint Ad Hoc Study Panel on the IMS of the Committee on Solar-Terrestrial Research and the Space Science Board, National Research Council. (1973)

Chapter: Magnetospheric Indices