On the plasma sheet dependence on solar wind and substorms and its role in magnetosphere-ionosphere coupling

Earth, Planets and Space

Table 1 Peak coefficients of paired correlation (CC) between 1-h-averaged central plasma sheet and solar wind (and AL index) parameters and best multiple regression fits

CC	P _d	N _sw	T _sw	V _sw	\|AL\|	E _kl	Peak multiple regression and CC
N _ePS, cm⁻³	0.57	0.62	0.05	0.2	0.12	0.13	N _ePS = 0.61 N _sw ^0.54, CC = 0.63
P _iPS, nPa	0.70	0.68	0.05	0.11	0.15	0.28	P _iPS = 0.06 + 0.16 N _sw V _sw ² + 0.04 E _kl, CC = 0.76
P _ePS, nPa	0.42	0.25	0.24	0.16	0.49	0.46	P _ePS = 0.14 (N _sw V _sw ²)^0.39 E _kl ^0.14 AL ^0.15, CC = 0.64
T _ePS, keV	−0.04	−0.23	0.25	0.30	0.44	0.32	T _ePS = −0.09 − 0.13 N _sw + 0.81 V _sw + 1.18 log AL, CC = 0.58
eTN, keV^1/2 cm³	−0.40	−0.53	0.15	0.28	0.21	0.06	eTN = 2.93 − 2.05 log (N _sw V _sw ²) + 0.63 V _sw + 1.09 log AL, CC = 0.62