User profiles for Olaf K. Lenz

Olaf Lenz

Senckenberg Gesellschaft für Naturforschung
Verified email at senckenberg.de
Cited by 724

New palynology-based astronomical and revised 40Ar/39Ar ages for the Eocene maar lake of Messel (Germany)

OK Lenz, V Wilde, DF Mertz, W Riegel - International Journal of Earth …, 2015 - Springer
The annually laminated oil shale from the Eocene maar lake at Messel (Federal State of
Hessen, Germany) provides unique paleoenvironmental data for a time interval of ~640 ka …

[HTML][HTML] Mid-latitude continental temperatures through the early Eocene in western Europe

…, P Valdes, BE Robson, AC Scott, OK Lenz… - Earth and Planetary …, 2017 - Elsevier
Branched glycerol dialkyl glycerol tetraethers (brGDGTs) are increasingly used to
reconstruct mean annual air temperature (MAAT) during the early Paleogene. However, the …

Recolonization of a Middle Eocene volcanic site: quantitative palynology of the initial phase of the maar lake of Messel (Germany)

OK Lenz, V Wilde, W Riegel - Review of Palaeobotany and Palynology, 2007 - Elsevier
… Author links open overlay panel Olaf K. Lenz a b , Volker Wilde b 1 , Walter Riegel a b 2 … ,
preferring rather wet conditions and mineral substrates (Lenz, 2005). It should be noted that the …

[HTML][HTML] Short-term fluctuations in vegetation and phytoplankton during the Middle Eocene greenhouse climate: a 640-kyr record from the Messel oil shale (Germany)

OK Lenz, V Wilde, W Riegel - International Journal of Earth Sciences, 2011 - Springer
The Palaeogene was the most recent greenhouse period on Earth. Especially for the Late
Palaeocene and Early Eocene, several superimposed short-term hyperthermal events have …

[HTML][HTML] Ecological and biogeochemical change in an early Paleogene peat-forming environment: Linking biomarkers and palynology

…, W Riegel, V Wilde, BE Robson, OK Lenz… - Palaeogeography …, 2015 - Elsevier
Sphagnum moss is the dominant plant type in modern boreal and (sub)arctic ombrotrophic
bogs and is of particular interest due to its sensitivity to climate and its important role in …

A 600 ky record of El Niño–Southern Oscillation (ENSO): Evidence for persisting teleconnections during the Middle Eocene greenhouse climate of Central Europe

OK Lenz, V Wilde, W Riegel, FJ Harms - Geology, 2010 - pubs.geoscienceworld.org
The El Niño–Southern Oscillation (ENSO) is a globally important factor in today's climate
dynamics. Annually laminated oil shales from the maar lake of Messel (Germany) provide high-…

[PDF][PDF] The early Eocene of Schöningen (N-Germany)–an interim report

W Riegel, V Wilde, OK Lenz - Austrian Journal of Earth Sciences, 2012 - ajes.at
The open cast mine Schöningen Südfeld (Lower Saxony, northern Germany), exposed a
continuous section of about 170 m which ranges in age from the latest Paleocene to the earliest …

ENSO-and solar-driven sub-Milankovitch cyclicity in the Palaeogene greenhouse world; high-resolution pollen records from Eocene Lake Messel, Germany

OK Lenz, V Wilde, W Riegel - Journal of the Geological Society, 2017 - lyellcollection.org
The annually laminated oil shale from the Eocene maar lake at Messel (Germany) provides
unique palaeoenvironmental and palaeoclimatological information for the Palaeogene …

Changes in Eocene plant diversity and composition of vegetation: the lacustrine archive of Messel (Germany)

OK Lenz, V Wilde - Paleobiology, 2018 - cambridge.org
Based on high-resolution palynological analysis of 680 samples from a core, short-term
changes in plant diversity and floristic composition within the Paleogene greenhouse were …

From open estuary to meandering river in a greenhouse world: an ecological case study from the middle Eocene of Helmstedt, Northern Germany

W Riegel, OK Lenz, V Wilde - Palaios, 2015 - pubs.geoscienceworld.org
Tropical climates reached their northernmost expansion during the early Paleogene greenhouse
phase, supporting a paratropical biota as far north as the southern shore of the ancient …