Two Modes of Change in Southern Ocean Productivity Over the Past Million Years

S. L. Jaccard, C. T. Hayes, A. Martinez-Garcia, D. A. Hodell, R. F. Anderson, D. M. Sigman, G. H. Haug
2013 Science  
doi:10.1126/science.1227545 pmid:23520109 fatcat:eo65flp2tjc5jbjhrpgcebduna