TY - JOUR A1 - Du, Z. L. T1 - The correlation between solar and geomagnetic activity – Part 1: Two-term decomposition of geomagnetic activity JO - Ann. Geophys. J1 - ANGEO VL - 29 IS - 8 SP - 1331 EP - 1340 Y1 - 2011/08/05 PB - Copernicus Publications SN - 1432-0576 UR - https://angeo.copernicus.org/articles/29/1331/2011/ L1 - https://angeo.copernicus.org/articles/29/1331/2011/angeo-29-1331-2011.pdf DO - 10.5194/angeo-29-1331-2011 ER -