TY - JOUR A1 - Borovsky, J. E. A1 - Osmane, A. T1 - Compacting the description of a time-dependent multivariable system and its multivariable driver by reducing the state vectors to aggregate scalars: the Earth's solar-wind-driven magnetosphere JO - Nonlin. Processes Geophys. J1 - NPG VL - 26 IS - 4 SP - 429 EP - 443 Y1 - 2019/11/22 PB - Copernicus Publications SN - 1607-7946 UR - https://npg.copernicus.org/articles/26/429/2019/ L1 - https://npg.copernicus.org/articles/26/429/2019/npg-26-429-2019.pdf DO - 10.5194/npg-26-429-2019 ER -