IGPP/LANL
Ground-Based Magnetometer Array

Scientific Objectives

Propagation of solar wind disturbances in the magnetosphere is an outstanding problem
in magnetospheric physics. Accumulation data from IGPP/LANL Array during the
ISTP period provide an unprecedented opportunity for correlative space-ground studies
of the propagation of these disturbances. The main scientific objectives are to study
following phenomena:

(1) Propagation of sudden impulses (SIs) and storm sudden commencement (SSCs)

(2) Modeling of substorm current wedge

(3) Propagation and generation mechanism of Pi 2 pulsations
 
(4) Propagation and solar wind control of Pc 3-4 pulsations