TY - JOUR A1 - Leggett, L. M. W. A1 - Ball, D. A. T1 - Granger causality from changes in level of atmospheric CO2 to global surface temperature and the El Niño–Southern Oscillation, and a candidate mechanism in global photosynthesis JO - Atmos. Chem. Phys. J1 - ACP VL - 15 IS - 20 SP - 11571 EP - 11592 Y1 - 2015/10/21 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/15/11571/2015/ L1 - https://acp.copernicus.org/articles/15/11571/2015/acp-15-11571-2015.pdf DO - 10.5194/acp-15-11571-2015 ER -