Dr. Ronny Friedrich

From 1996 on, Ronny Friedrich studied physics at the University of Heidelberg, where he received his diploma in 2003 and his PhD in 2007 in the field of unworld physics. After 6 years as a PostDoc and leading a laboratory at Columbia University in New York City, Ronny Friedrich has been leading Ronny Friedrich has been leading the dating laboratories at CEZA since 2014 and is part of the extended management team at CEZA since 2022.

Academic and professional background

Since 2014

Head of the CEZA dating laboratories

2008-2014

Laboratory Manager in the “Environmental Tracers Group” of the Lamont-Doherty-Earth-Observatory of the Columbia University New York City, USA

2007-2008

PostDoc at the Institute for Environmental Physics at the Heidelberg University

2003-2007

PhD in physics at the Institute of Environmental Physics at the Heidelberg University on the topic “Groundwater characterization with environmental tracers: Exploration of the groundwater of the Odenwald region and implementation of a new noble gas mass spectrometer system”.

1996-2003

Studies of physics at the Heidelberg University, diploma thesis: “Helium in polar ice sheets”

News

Academic and professional background

Publications

Mester, Z. et al.: First direct dating of the Late Neanderthal remains from Subalyuk Cave in Northern Hungary.

Beisel, E. et al.: Climate induced thermocline aging and ventilation in the eastern Atlantic over the last 32.000 years

Raddatz, J. et al.: Variable ventilation ages in the equatorial Indian Ocean thermocline during the LGM

Römer, P. et al.: Multi-proxy crossdating extends the longest high-elevation tree-ring chronology from the Mediterranean

Lindauer, S. et al.: Funny Wrappings – Challenging your radiocarbon laboratory

Kavcik-Graumann, N. et al.: The cave bear fauna of the cave Schottloch (Dachstein Mountains, Austria)

Nicklisch, N. et al.: Bioarchaeological investigations of the princely grave at Helmsdorf attesting to the violent death of an Early Bronze Age leader

Berger, D. et al.: Shiny bronze in glassy matter: an inconspicuous piece of slag from the Bronze Age mining site of Mušiston (Tajikistan) and its significance for the development of tin metallurgy in Central Asia

Rath, K. et al.: Genetic and isotope analysis of a triple burial from medieval St. Peter’s cemetery in Cölln/Berlin.

Massy, K. et al.: Pedigree-based Bayesian modelling of radiocarbon dates.

Namen, A. et al.: Nazugum, a new 4000 year old rockshelter site in the Ili Alatau, Tien Shan

Regenye, J. et al.: Some Balaton-Lasinja Graves from Veszprém-Jutasi Út and an Outline Chronology for the Earlier Copper Age in Western Hungary

Friedrich, R. et al.: Datierungsmethoden

Sirocko, F. et al.: Muted multidecadal climate variability in central Europe during cold stadial periods.

Guillet, G. et al.: Investigation of a cold-based ice apron on a high-mountain permafrost rock wall using ice texture analysis and micro-14C dating: a case study of the Triangle du Tacul ice apron (Mont Blanc massif, France)

Therre, S. et al.: Heidelberg Radiocarbon Lab – Establishing a New Carbon Dioxide Extraction Line for Carbonate Samples.

Therre, S. et al.: Soil Carbon Dynamics and Atmospheric Signals in Stalagmite Radiocarbon at Sofular Cave, Turkey

Döppes, D. et al.: The late pleistocene cave bear fauna of the Torrener Bärenhöhle in the northern alps (Salzburg, Austria)

Krutter, S. et al.: Die jungpleistozäne Höhlenfauna der Bärenfalle im Tennengebirge (Salzburg, Österreich). Ergebnisse aus der Forschungskampagne 2015-2017

Wacker, L. et al.: Findings from an in-depth annual tree-ring radiocarbon inter-comparison

Reimer, P. et al.: The IntCal20 Northern Hemisphere radiocarbon age calibration curve (0-55 kcal BP)

Friedrich, R. et al.: A new annual 14C dataset for calibrating the Thera eruption

Giffin, K. et al.: A treponemal genome from an historic plague victim supports a recent emergence of yaws and its presence in 15th century Europe

Frank, N. et al.: The modern Northeast Atlantic Radiocarbon Content viewed along a basin transect from 29°- 61°N

Therre, S. et al.: Atmospheric and Soil Signals in a Climate Dependent Stalagmite Radiocarbon Record from Northern Turkey

Manning, S.W. et al.: Mediterranean radiocarbon offsets and calendar dates for prehistory

Therre, S. et al.: Climate-induced speleothem radiocarbon variability on Socotra Island from the Last Glacial Maximum to the Younger Dryas

Zesch, S. et al.: Blunt force trauma: an exceptional example of an ancient Egyptian mummy head

Preunkert, S. et al.: The Elbrus (Caucasus, Russia) ice core record–Part 1: reconstruction of past anthropogenic sulfur emissions in south-eastern Europe

Mittnik, A. et al.: Kinship-based social inequality in Bronze Age Europe

Hotz, G. et al.: Der rätselhafte Mumienfund aus der Barfüsserkirche in Basel

Lindauer, S. et al.: Highly-resolved radiocarbon measurements on shells from Kalba, UAE, using carbonate handling system and gas ion source with MICADAS

Hajdas, I. et al.: Radiocarbon dating and the protection of cultural heritage

Preunkert, S. et al.: Lead and antimony in basal ice from Col du Dome (French Alps) dated with radiocarbon: A record of pollution during antiquity

Friedrich, R. et al.: Annual 14C tree-ring data around 400AD: Mid and high-latitude records

Riechelmann, D.F.C. et al.: Evaluating the potential of tree-ring methodology for cross-dating of three annually laminated stalagmites from Zoolithencave (SE Germany)

Pärn, J. et al.: Dating of glacial palaeogroundwater in the Ordovician-Cambrian aquifer system, northern Baltic Artesian Basin

Friedrich, R.: Indirect Radiocarbon Dating of Gold Objects

Pernicka, E. et al.: Naturwissenschaftliche Untersuchungen an Goldobjekten

Sookdeo, A. et al.: Quality dating: a well-defined protocol implemented at ETH for high-precision 14C-dates tested on late glacial wood

Rossi, M. et al.: The first directly dated cave bear from the Covoli di Velo Cave (VeronaProvince, Veneto, northern Italy) with some discussion of Italian Alps cave bears

Döppes, D. et al.: Extinction pattern of Alpine cave bears – new data and climatological interpretation

Friedrich, R. et al.: Zur Radiokarbondatierung der Gebeine und Tierknochen

Bertram, M. et al.: Ein kleiner Prinz: Neues vom »Britzer Mädchengrab«.

Hoffmann, H. et al.: A New Sample Preparation System for Micro-14C Dating of Glacier Ice with a First Application to a High Alpine Ice Core from Colle Gnifetti (Switzerland)

Hoffmann, H. et al.: Status report: Implementation of gas measurements at the MAMS 14C AMS facility in Mannheim, Germany

Kromer, B. et al.: Radiokohlenstoff-Datierungen im Projekt ICE-Neubaustrecke Erfurt–Leipzig/Halle – methodische Fortschritte

Steiner-Osimitz, S. et al.: Ein Bischofsgrab mit Silberkelch und Patene in Müstair?

Regenye, J. et al.: Narratives for Lengyel funerary practice

Hammer, S. et al.: Compatibility of Atmospheric 14CO2 Measurements: Comparing the Heidelberg Low-Level Counting Facility to International Accelerator Mass Spectrometry (AMS) Laboratories

Döppes, D. et al.: Unexpected! New AMS dating from Austrian cave bear sites

Schaefer, J. M. et al.: Performance of CRONUS-P-A pyroxene reference material for helium isotope analysis

Stockhammer, P.W et al.: ewriting the Central European Early Bronze Age chronology

Walker, S.A. et al.: Oxygen isotope measurements of seawater (H218O/H216O): A comparison of cavity ring-down spectroscopy (CRDS) and isotope ratio mass spectrometry (IRMS)

Becker, M. et al.: 2200 BC – Ein Klimasturz als Ursache für den Zerfall der Alten Welt? / 2200 BC – A climatic breakdown as a cause for the collaps of the old world?

Zesch, S. et al.: Zur interdisziplinären Untersuchung ägyptischer Mumienobjekte aus dem Nationalmuseum für Geschichte und Kunst Luxemburg

Blard, P.-H. et al.: An inter-laboratory comparison of cosmogenic 3He and radiogenic 4He in the CRONUS-P pyroxene standard

Stockhammer, P.W. et al.: Kontinuität und Wandel vom Endneolithikum zur frühen Bronzezeit in der Region Augsburg

Bertram, M. et al.: Ein kleiner Prinz: Neues vom »Britzer Mädchengrab«.