[1999] [2000] - 2001 - [2003] [2004] [2005] [2006] [2007] [2008] [2009] [2010] [2011] [2012] [in press]
- Hormazabal, S., Shaffer, G., J. Letelier & O. Ulloa.. Local and remote forcing of sea surface temperature in the coastal upwelling system off Chile. Journal of Geophysical Research, 106, 16657-16672, 2001.
- Ulloa, O., R. Escribano, S. Hormazabal, R.A. Quiñones, R.R. González & M. Ramos. Evolution and biological effects of the 1997-98 El Niño in the upwelling ecosystem off northern Chile. Geophysical Research Letters, 28, 1591-1594, 2001.