Detailseite
Projekt
The missing link to understand Plio-Pleistocene changes in southeast Pacific oceanography, productivity, and El Nino behavior - SE trade wind strength and its dust transport
Antragsteller
Professor Dr. Ralf Tiedemann
Fachliche Zuordnung
Paläontologie
Förderung
Förderung von 2005 bis 2010
Projektkennung
Deutsche Forschungsgemeinschaft (DFG) - Projektnummer 12897841
One of the fundamental missing links in understanding Pliocene and Pleistocene changes in southeast Pacific oceanography, productivity and El Nino behavior as well as associated variations in thermocline depth, upwelling and dust fertilisation is the knowledge of changes in southest trade wind strength and dust transport on millennial and orbital time scales. Our study aims to reconstruct changes in South American continental aridity, dust supply and trade wind strength at ODP Sites 1237 and 1239, as both sites underlie the modern path of eolian transport from the Atacama desert in northern Chile and Peru. Our investigations will concentrate on four key intervals that are considered to reflect major steps in late Neogene climate evolution: the late Pleistocene amplification of glacial/interglacial variability (0-1 Ma), the Plio-PIeistocene transition (1.5-2 Ma), the Pliocene intensification of the Northern Hemisphere Glaciation (2.4- 3.1 Ma), and the Pliocene warm period (4-5 Ma).
DFG-Verfahren
Infrastruktur-Schwerpunktprogramme
Internationaler Bezug
Frankreich, USA
Beteiligte Personen
Professor Dr. Dierk Hebbeln; Dr. Frank Lamy; Professor Dr. Philippe Martinez; Professor Dr. Alan C. Mix, Ph.D.; Professorin Dr. Anna Christina Ravelo, Ph.D.; Dr. Ursula Röhl; Professor Dr. Ralph Schneider; Professor Dr. Michael Schulz; Professor Dr. Jan-Berend Willem Stuut; Professor Dr. Axel Timmermann
