C dynamics and stabilization of C in agricultural soils
Using the combination of biochar and enhanced weathering for carbon dioxide removal (CDR) from the atmosphere and for improving soil properties
Stable C isotopes

Sharjeel Ashfaq

Doctoral candidate

Allende-Platz 2

20146 Hamburg

Room: 114, AP2

Tel: +49 40 42838-2271

Email: Sharjeel.Ashfaq"AT"uni-hamburg.de

Photo: Joscha Becker

Dr. Joscha Becker

Scientist

Allende-Platz 2

20146 Hamburg

Room: 302c, AP2

Tel: +49 40 42838-2003

Email: Joscha.Becker"AT"uni-hamburg.de

Photo: UHH, RRZ/MCC, Mentz

Dr. Klaus Berger, (retired)

Senior scientist (retired)

Allende-Platz 2

20146 Hamburg

Room: 504, AP2

Tel: +49 40 42838-2006

Email: klaus.berger"AT"uni-hamburg.de

Key aspects of activity

HELP modell
Editorship Hamburger Bodenkundliche Arbeiten

Franziska Busch

PhD student

Allende-Platz 2

20146 Hamburg

Room: 104a, AP2

Tel: +49 40 42838-2016

Email: Franziska.Busch"AT"uni-hamburg.de

Key aspects of activity

Carbon dynamics and weathering processes
Collaboration in the PyMiCCS project (https://cdrterra.de/en/consortia/pymiccs)
Modeling the effects of biochar and rock flour on soil processes

Photo: Tim Eckhardt

Dr. Tim Eckhardt-Laub

Scientist

Allende-Platz 2

20146 Hamburg

Room: 427, AP2

Tel: +49 40 42838-7862

Email: Tim.Eckhardt"AT"uni-hamburg.de

Key aspects of activity

Hood-based trace gas flux measurements.
Recent carbon dynamics at the soil-vegetation-atmosphere interface
Peatland restoration and climate change mitigation

Photo: Claudia Fiencke

Dr. Claudia Fiencke

Senior scientist

Allende-Platz 2

20146 Hamburg

Room: 204, AP2

Tel: +49 40 42838-4248

Email: Claudia.Fiencke"AT"uni-hamburg.de

Photo: Miriam Fuss

Miriam Fuß

Doctoral candidate

Allende-Platz 2

20146 Hamburg

Room: 218, AP2

Tel: +49 40 42838-7048

Email: Miriam.Fuss"AT"uni-hamburg.de

Key aspects of activity

wetland biogeochemistry
greenhouse gas fluxes in salt marshes
soil vegetation-interactions
Global Change effects on wetland ecosystem functions
impact of reoccurring reducing and oxidising conditions on element cycling in soils

Photo: Leonardo de Aro Galera

Leonardo Galera

Doctoral candidate

Allende-Platz 2

20146 Hamburg

Room: 506, AP2

Tel: +49 40 42838-5327

Email: Leonardo.Galera"AT"uni-hamburg.de

Key aspects of activity

Research in project: The impact of permafrost thawing on net primary productivity and nutrients availability of the polygonal tundra in the Lena River Delta, Siberia
C- and N-cycle in permafrost-affected soils
Soil carbon stocks in tropical ecosystems
Soil greenhouse gas emissions
Stable isotopes analysis

Photo: UHH, RRZ/MCC, Mentz

Dr. Alexander Gröngröft, (retired)

Senior scientist (retired)

Allende-Platz 2

20146 Hamburg

Room: 216

Tel: +49 40 42838-4395

Email: Alexander.Groengroeft"AT"uni-hamburg.de

Photo: UHH, RRZ/MCC, Mentz

Dr. David Holl

Scientist

Allende-Platz 2

20146 Hamburg

Room: 505, AP2

Tel: +49 40 42838-2010

Email: David.Holl"AT"uni-hamburg.de

Key aspects of activity

Eddy Covariance trace gas and energy fluxes
Temperate bog ecosystems in Germany and Patagonia
Climate change mitigating potential of peatland restoration

Dr. Kerstin Jantke

Senior Researcher

Sustainability and Global Change

Allende-Platz 2

20146 Hamburg

Room: 315a, AP2

Tel: +49 40 42838 2147

Email: kerstin.jantke"AT"uni-hamburg.de

Photo: Lara Kaiser

Lara Kaiser

Doctoral candidate in project C-balance in permafrost

Allende-Platz 2

20146 Hamburg

Room: 115, AP2

Tel: +49 40 42838-2017

Email: lara.sophia.kaiser"AT"uni-hamburg.de

Key aspects of activity

Master in Landscape Ecology, University of Hohenheim 2018, Master thesis on Plant interactions in South Africa
Methane fluxes in permafrost affected soils
Mechanistic Modelling

Oliver Kaufmann

Research associate

Allende-Platz 2

20146 Hamburg

Room: 505, AP2

Tel: +49 40 42838-2010

Email: Oliver.Kaufmann"AT"uni-hamburg.de

Photo: Christian Knoblauch

Dr. Christian Knoblauch

Senior scientist

Allende-Platz 2

20146 Hamburg

Room: 308, AP2

Tel: +49 40 42838-2277

Email: Christian.Knoblauch"AT"uni-hamburg.de

Key aspects of activity

Aerobic and anaerobic C-turnover
Methane and carbon dioxide cycle
Vegetation-microorganisms interaction
Stable isotopes (C, N, O, H/D)

Photo: Minjung Kwon

Dr. Min Jung Kwon

Research associate

Allende-Platz 2

20146 Hamburg

Room: 104c, AP2

Tel: +49 40 42838-7841

Email: minjung.kwon"AT"uni-hamburg.de

Key aspects of activity

Contribution to the development of permafrost carbon decomposition model
Quantifying the climate change effects (heatwaves, warming, drying) on CO2 and CH4 cycles in high latitudes and northern peatlands

Photo: Juliane Lenz

Juliane Lenz

Doctoral candidate

Allende-Platz 2

20146 Hamburg

Room: 506, AP2

Tel: +49 40 42838-5327

Email: Juliane.Lenz"AT"uni-hamburg.de

Key aspects of activity

Effects of global change on nitrous oxide and carbon dynamics in estuaries and marshes
Nitrogen cycle and interactions with the carbon cycling
Isotope geochemistry, in particular for nitrogen (15N/14N) and oxygen (18O/16O)
member of the Research Training Group 2530 "Biota-mediated effects on Carbon cycling in Estuaries" at the University of Hamburg
part of the Department of Aquatic Nutrient Cycles in the Institute of Carbon Cycles at the Helmholtz Centre Hereon

Fay Lexmond

Doctoral candidate in project BiCEst

Allende-Platz 2

20146 Hamburg

Room: 506, AP2

Tel: +49 40 42838-4397

Email: fay.lexmond"AT"uni-hamburg.de

Key aspects of activity

Master in Earth and Environment, specialisation biology and chemistry of soil and water, Wageningen University, The Netherlands, 2019; master thesis on Plantago lanceolata's ability to secrete biological nitrification inhibitors and the effect on nitrous oxide emissions from peat and sandy soils.
Greenhouse gas emissions from estuarine marsh and in-situ flux measurements
Soil-vegetation-atmosphere interactions and herbivory effects
Carbon cycling and plant-soil microbes interactions

Photo: Johanna Metzger

Dr. Johanna Metzger

Scientist

Allende-Platz 2

20146 Hamburg

Room: 504, AP2

Tel: +49 40 42838-2006

Email: johanna.metzger"AT"uni-hamburg.de

Photo: Marius Moser

Marius Moser

Doctoral candidate

Allende-Platz 2

20146 Hamburg

Room: 104a, AP2

Tel: +49 40 42838-2016

Email: Marius.Moser"AT"uni-hamburg.de

Key aspects of activity

Modeling of methane processes in permafrost

Friederike Neiske

Postdoc

Allende-Platz 2

20146 Hamburg

Room: 218, AP2

Tel: +49 40 42838-2022

Email: friederike.neiske"AT"awi.de, friederike.neiske"AT"uni-hamburg.de

Key aspects of activity

Carbon dynamics in estuarine marsh soils
Soil-plant interactions
Spatio-temporal variability of biogeochemical processes in intertidal ecosystems

Ines Nofz

Research assistant

Allende-Platz 2

20146 Hamburg

Room: 114, AP2

Tel: +49 40 42838-2271

Email: Ines.Nofz"AT"uni-hamburg.de

Aimée Pellissier-Tanon

Doctoral candidate

Allende-Platz 2

20146 Hamburg

Room: 115, AP2

Tel: +49 40 42838-2022

Email: aimee.pellissier-tanon"AT"uni-hamburg.de

Key aspects of activity

Soil Chemistry / Biogeochemistry
Greenhouse gases interactions with the plant-soil system in Arctic tundra
Biological greenhouse gas sinks - Investigation of the methane (CH4) and nitrous oxide (N2O) sink potential of Arctic soils

Photo: Xavier Rodriguez

Dr. Xavier Rodriguez

Scientific programmer

Allende-Platz 2

20146 Hamburg

Room: 104b, AP2

Tel: +49 40 42838-9564

Email: xavier.rodriguez"AT"uni-hamburg.de

Key aspects of activity

Contribution to the development of the JSBACH model's soil processes modules
Development and implementation of site-level models
Simulation of soil-vegetation interactions using implicit and explicit methods
Technical support to the working group of Prof. Christian Beer

Photo: UHH, RRZ/MCC, Mentz

Norman Rüggen

Technical assistant

Allende-Platz 2

20146 Hamburg

Room: 503, AP2

Tel: +49 40 42838-4229

Email: Norman.Rueggen"AT"uni-hamburg.de

Photo: Russel privat

Hannah Russell

PhD student

Allende-Platz 2

20146 Hamburg

Room: 504, AP2

Tel: +49 40 42838-2006

Email: Hannah.Russell"AT"uni-hamburg.de

Photo: Cosima Schröer

Cosima Schröer

Doctoral candidate

Allende-Platz 2

20146 Hamburg

Room: 104c, AP2

Tel: +49 40 42838-7841

Email: cosima.schroeer"AT"uni-hamburg.de

Key aspects of activity

M. Sc. in Physical Geography, University of Bremen, 2020; Master thesis on CO2 fluxes in a heating experiment in Alaskan tundra
Carbon decomposition processes in permafrost-affected soils
Soil-microbe-plant interactions
Process-orientated modeling

Daniel Schwarze

Doctoral candidate

Allende-Platz 2

20146 Hamburg

Room: 114, AP2

Tel: +49 40 42838-2271

Email: Daniel.Uwe.Schwarze"AT"uni-hamburg.de

Photo: Simran Sekhri

Simran Sekhri

Doctoral candidate

Allende-Platz 2

20146 Hamburg

Room: 216, AP2

Tel: +49 40 42838-4395

Email: simran.sekhri"AT"uni-hamburg.de

Key aspects of activity

Land-use and land-management effects on soil water
Sandy soils of the Kavango region in northern Namibia
Ability of drought resistant plants to utilize deep water sources
Vapor re-condensation and soil water balances

Dr. Mathias Spieckermann

Scientist

Allende-Platz 2

20146 Hamburg

Room: 504, AP2

Tel: +49 40 42838-2006

Email: Mathias.Spieckermann"AT"uni-hamburg.de

Photo: Christina Steffens

Dr. Christina Steffens (née Langenbruch)

Postdoc

Allende-Platz 2

20146 Hamburg

Room: 115, AP2

Tel: +49 40 42838-2017

Email: Christina.Steffens"AT"uni-hamburg.de

Key aspects of activity

Project management and outreach in the project MOMENT
Carbon cycle in soils
Plant-soil-interactions
Field methods, such as chamber measurements, installation of root exclusion zones (root trenching), root ingrowth cores

Photo: Joseph Tamale

Dr. Joseph Tamale

PostDoc

Allende-Platz 2

20146 Hamburg

Room: 427, AP2

Tel: +49 40 42838-7862

Email: Joseph.Tamale"AT"uni-hamburg.de

Key aspects of activity

Carbon dynamics in the Arctic
Stable isotopes (C & N)
Soil greenhouse gas fluxes
Intact plant-soil systems (mesocosm)
Climate chamber experiments

Photo: Melanie Kern

Dr. Melanie Thurner (née Kern)

Scientist in DFG-project "Process-oriented cryoturbation modelling"

Allende-Platz 2

20146 Hamburg

Room: 115, AP2

Tel: +49 40 42838-2017

Email: melanie.thurner"AT"uni-hamburg.de, melanie.kern"AT"uni-hamburg.de

Key aspects of activity

Process-oriented modelling
Biogeophysical soil processes
Soils in permafrost regions
Cryoturbation

Selina Undeutsch

Doctoral candidate

Allende-Platz 2

20146 Hamburg

Room: 506, AP2

Tel: +49 40 42838-5327

Email: Selina.Undeutsch"AT"uni-hamburg.de

Photo: Lizeth Vásconez Navas

Dr. Lizeth Vásconez Navas

Postdoc

Allende-Platz 2

20146 Hamburg

Room: 218, AP2

Tel: +49 40 42838-6219

Email: Lizeth.Vasconez"AT"uni-hamburg.de

Key aspects of activity

Master in Sustainable Resource Management, TU München, 2017, with specialization in soil and water resources and protection of forest ecosystems; master thesis: Xylem hydraulic adjustment of Castanea sativa, Pinus sylvestris and Quercus spp. seedlings to air warming and soil drought
Monitoring and analyses of soil hydrological properties in hardwood floodplain forest soils
Analysis of xylem sap flow velocity of floodplain hardwood species under different soil moisture regimes and meteorological conditions

Photo: Carolina Voigt

Dr. Carolina Voigt

Junior research group leader COLDSPOT

Allende-Platz 2

20146 Hamburg

Room: 315 b, AP2

Tel: +49 40 42838-5606

Email: Carolina.Voigt"AT"uni-hamburg.de

Key aspects of activity

greenhouse gas fluxes from permafrost-affected soils
terrestrial biogeochemistry
interactions between the carbon and nitrogen cycle in plant-soil systems in the Arctic

Photo: Evan Wilcox

Dr. Evan J. Wilcox

Research associate

Allende-Platz 2

20146 Hamburg

Room: 503, AP2

Tel: +49 40 42838-4233

Email: evan.wilcox"AT"uni-hamburg.de

Key aspects of activity

Hydrology of Arctic environments
Snow-vegetation-permafrost interactions
Hydrological applications of stable water isotopes

Photo: Lin Yu

Dr. Lin Yu

Research associate

Allende-Platz 2

20146 Hamburg

Room: 307, AP2

Tel: +49 40 42838-2482

Email: lin.yu"AT"uni-hamburg.de

Key aspects of activity

Process-based modelling of soil organic matter stabilization and turnover
Modelling soil microbial dynamics and effects of carbon-nutrient interactions on microbial life cycle
Global modelling of carbon-climate feedback, particularly the impacts of SOC and soil properties
ICON land development (QUINCY model)
Phosphorus processes in terrestrial ecosystem and P cycle modeling
Modelling Soil mineral Weathering

Yuqing Zhao

PhD student

Allende-Platz 2

20146 Hamburg

Room: 506, AP2

Tel: +49 40 42838-2513

Email: Yuqing.zhao"AT"studium.uni-hamburg.de

Technical, administrative and library staff

Andreas Behr

Engineer

Allende-Platz 2

20146 Hamburg

Room: 205a, AP2

Tel: +49 40 42838-2279

Email: Andreas.Behr"AT"uni-hamburg.de

Photo: UHH, RRZ/MCC, Mentz

Anne Brockmann

Library

Allende-Platz 2

20146 Hamburg

Room: 302, AP 2

Tel: +49 40 42838-2004

Email: ifb.bibliothek"AT"uni-hamburg.de, hba"AT"uni-hamburg.de

Office hours

Monday - Wednesday, Friday: 8.00 -12.00

Key aspects of activity

Library
Series "Hamburg Soil Science Studies" [Hamburger Bodenkundliche Arbeiten]
Internet presentation
FIS input

Photo: UHH, RRZ/MCC, Mentz

Tanja Döbler

Office

Allende-Platz 2

20146 Hamburg

Room: 302a, AP 2

Tel: +49 40 42838-4041

Email: IfB"AT"uni-hamburg.de

Office hours

Mo - Fr 9 - 12 Uhr

Key aspects of activity

Office

Birgit Grabellus

Laboratory assistant

Allende-Platz 2

20146 Hamburg

Room: 428, AP2

Tel: +49 40 42838-7270

Email: birgit.grabellus"AT"uni-hamburg.de

Deborah Harms

Laboratory assistant

Allende-Platz 2

20146 Hamburg

Room: 203, AP2

Tel: +49 40 42838-3512

Email: Deborah.Harms"AT"uni-hamburg.de

Volker Kleinschmidt

Engineer

Allende-Platz 2

20146 Hamburg

Room: 205a, AP2

Tel: +49 40 42838-7502

Email: Volker.Kleinschmidt"AT"uni-hamburg.de

Dr. Ralf Lendt

Technical employee

Allende-Platz 2

20146 Hamburg

Room: 428, AP2

Tel: +49 40 42838-7270

Email: Ralf.Lendt"AT"uni-hamburg.de

Annika Naumann

Laboratory assistant

Allende-Platz 2

20146 Hamburg

Room: 203, AP2

Tel: +49 40 42838-3512

Email: annika.naumann"AT"uni-hamburg.de

Sumita Rui

Laboratory assistant

Allende-Platz 2

20146 Hamburg

Room: 203, 428, AP2

Tel: +49 40 42838-3512, +49 40 42838-7270

Email: sumita.rui"AT"uni-hamburg.de

Name	Room	Tel	E-Mail
Albrecht (née Toth), Elisa	216, AP 2	+49 40 42838-7441	elisa.karina.albrecht"AT"uni-hamburg.de
Ansari (née Seedtke), Maria	216, AP2	+49 40 42838-4395	maria.ansari"AT"uni-hamburg.de
Ashfaq, Sharjeel	114, AP2	+49 40 42838-2271	Sharjeel.Ashfaq"AT"uni-hamburg.de
Becker, Joscha, Dr.	302c, AP2	+49 40 42838-2003	Joscha.Becker"AT"uni-hamburg.de
Beer, Christian, Prof. Dr.	301, AP2	+49 40 42838-2699	Christian.Beer"AT"uni-hamburg.de
Behr, Andreas	205a, AP2	+49 40 42838-2279	Andreas.Behr"AT"uni-hamburg.de
Berger, Klaus, Dr., (retired)	504, AP2	+49 40 42838-2006	klaus.berger"AT"uni-hamburg.de
Brockmann, Anne	302, AP 2	+49 40 42838-2004	ifb.bibliothek"AT"uni-hamburg.de, hba"AT"uni-hamburg.de
Busch, Franziska	104a, AP2	+49 40 42838-2016	Franziska.Busch"AT"uni-hamburg.de
Döbler, Tanja	302a, AP 2	+49 40 42838-4041	IfB"AT"uni-hamburg.de
Eckhardt-Laub, Tim, Dr.	427, AP2	+49 40 42838-7862	Tim.Eckhardt"AT"uni-hamburg.de
Eschenbach, Annette, Prof. Dr.	304b, AP2	+49 40 42838-2008	Annette.Eschenbach"AT"uni-hamburg.de
Fiencke, Claudia, Dr.	204, AP2	+49 40 42838-4248	Claudia.Fiencke"AT"uni-hamburg.de
Fuß, Miriam	218, AP2	+49 40 42838-7048	Miriam.Fuss"AT"uni-hamburg.de
Galera, Leonardo	506, AP2	+49 40 42838-5327	Leonardo.Galera"AT"uni-hamburg.de
Grabellus, Birgit	428, AP2	+49 40 42838-7270	birgit.grabellus"AT"uni-hamburg.de
Gröngröft, Alexander, Dr., (retired)	216	+49 40 42838-4395	Alexander.Groengroeft"AT"uni-hamburg.de
Harms, Deborah	203, AP2	+49 40 42838-3512	Deborah.Harms"AT"uni-hamburg.de
Holl, David, Dr.	505, AP2	+49 40 42838-2010	David.Holl"AT"uni-hamburg.de
Jantke, Kerstin, Dr.	315a, AP2	+49 40 42838 2147	kerstin.jantke"AT"uni-hamburg.de
Kaiser, Lara	115, AP2	+49 40 42838-2017	lara.sophia.kaiser"AT"uni-hamburg.de
Kaufmann, Oliver	505, AP2	+49 40 42838-2010	Oliver.Kaufmann"AT"uni-hamburg.de
Kleinschmidt, Volker	205a, AP2	+49 40 42838-7502	Volker.Kleinschmidt"AT"uni-hamburg.de
Knoblauch, Christian, Dr.	308, AP2	+49 40 42838-2277	Christian.Knoblauch"AT"uni-hamburg.de
Kutzbach, Lars, Prof. Dr.	304a, AP2	+49 40 42838-2021	Lars.Kutzbach"AT"uni-hamburg.de
Kwon, Min Jung, Dr.	104c, AP2	+49 40 42838-7841	minjung.kwon"AT"uni-hamburg.de
Lendt, Ralf, Dr.	428, AP2	+49 40 42838-7270	Ralf.Lendt"AT"uni-hamburg.de
Lenz, Juliane	506, AP2	+49 40 42838-5327	Juliane.Lenz"AT"uni-hamburg.de
Lexmond, Fay	506, AP2	+49 40 42838-4397	fay.lexmond"AT"uni-hamburg.de
Metzger, Johanna, Dr.	504, AP2	+49 40 42838-2006	johanna.metzger"AT"uni-hamburg.de
Miehlich, Günter, Prof. i.R. Dr.		+49 40 42838-4041	G.Miehlich"AT"gmx.de
Moser, Marius	104a, AP2	+49 40 42838-2016	Marius.Moser"AT"uni-hamburg.de
Naumann, Annika	203, AP2	+49 40 42838-3512	annika.naumann"AT"uni-hamburg.de
Neiske, Friederike	218, AP2	+49 40 42838-2022	friederike.neiske"AT"awi.de, friederike.neiske"AT"uni-hamburg.de
Nofz, Ines	114, AP2	+49 40 42838-2271	Ines.Nofz"AT"uni-hamburg.de
Pellissier-Tanon, Aimée	115, AP2	+49 40 42838-2022	aimee.pellissier-tanon"AT"uni-hamburg.de
Pfeiffer, Eva-Maria, Prof. i.R. Dr.			eva-maria.pfeiffer"AT"uni-hamburg.de
Rodriguez, Xavier, Dr.	104b, AP2	+49 40 42838-9564	xavier.rodriguez"AT"uni-hamburg.de
Rüggen, Norman	503, AP2	+49 40 42838-4229	Norman.Rueggen"AT"uni-hamburg.de
Rui, Sumita	203, 428, AP2	+49 40 42838-3512	sumita.rui"AT"uni-hamburg.de
Russell, Hannah	504, AP2	+49 40 42838-2006	Hannah.Russell"AT"uni-hamburg.de
Schröer, Cosima	104c, AP2	+49 40 42838-7841	cosima.schroeer"AT"uni-hamburg.de
Schwarze, Daniel	114, AP2	+49 40 42838-2271	Daniel.Uwe.Schwarze"AT"uni-hamburg.de
Sekhri, Simran	216, AP2	+49 40 42838-4395	simran.sekhri"AT"uni-hamburg.de
Spieckermann, Mathias, Dr.	504, AP2	+49 40 42838-2006	Mathias.Spieckermann"AT"uni-hamburg.de
Steffens (née Langenbruch), Christina, Dr.	115, AP2	+49 40 42838-2017	Christina.Steffens"AT"uni-hamburg.de
Tamale, Joseph, Dr.	427, AP2	+49 40 42838-7862	Joseph.Tamale"AT"uni-hamburg.de
Thurner (née Kern), Melanie, Dr.	115, AP2	+49 40 42838-2017	melanie.thurner"AT"uni-hamburg.de, melanie.kern"AT"uni-hamburg.de
Undeutsch, Selina	506, AP2	+49 40 42838-5327	Selina.Undeutsch"AT"uni-hamburg.de
Vásconez Navas, Lizeth, Dr.	218, AP2	+49 40 42838-6219	Lizeth.Vasconez"AT"uni-hamburg.de
Voigt, Carolina, Dr.	315 b, AP2	+49 40 42838-5606	Carolina.Voigt"AT"uni-hamburg.de
Wilcox, Evan J., Dr.	503, AP2	+49 40 42838-4233	evan.wilcox"AT"uni-hamburg.de
Yu, Lin, Dr.	307, AP2	+49 40 42838-2482	lin.yu"AT"uni-hamburg.de
Zhao, Yuqing	506, AP2	+49 40 42838-2513	Yuqing.zhao"AT"studium.uni-hamburg.de