Sunday (29 Sept)
14:00	Workshop ASI Juniors
ca. 17:00
	Monday (30 Sept)
10:00	Company morning
12:00	Registration and coffee
13:00	Conference Opening
13:15	Analytical, Methods, Quality Assurance
	Keynote 1: Maren Dubbert: A decade of in-situ stable water isotope observations: progress and challenges with a focus on isotope enabled gas-exchange
13:45	Barbara Herbstritt et al.: Coping with spectral interferences when measuring water stable isotopes of vegetables
14:00	Benjamin Gralher et al.: Comparison of gas matrix effects on three generations of cavity ring-down water stable isotope analyzers
14:15	Joachim Mohn et al.: Laser spectroscopic analysis of N2O isotopes: How to get trustworthy data?
14:30	Steffen Kümmel et al.: Continuous-flow stable sulfur isotope analysis of organic and inorganic compounds using elemental analyzer coupled with multi-collector inductively coupled plasma mass spectrometry (EA-MC-ICPMS)
14:45	Coffee break
15:15	Heiko Moossen et al.: What’s going on with the δ13C scale(s)?
15:30	Nils Kuhlbusch et al.: Orbitrap Isotope Ratio MS – Improved Strategy for Sample and Reference Introduction
15:45	Magdalena Hofmann et al.: Advancing Greenhouse Gas Isotopic Measurements: Evaluating the Compatibility and Efficiency of Picarro Gas Autosampler with Picarro Isotopic Analyzers
16:00	Calum Preece et al.: High precision stable isotope analysis of carbonate and water samples for paleoclimate applications using the Elementar iso DUAL INLET
16:15	Poster session
17:15
18:45	Conference Dinner
	Tuesday (1 Oct)
09:00	Hydro(geo)logy & German Isotope Network
	Keynote 2: Michael Böttcher: There and not back again: Isotope hydrobiogeochemistry of gradient systems
09:30	Thomas Müller et al.: Stable isotope composition of the Salalah monsoon, southern Oman
09:45	Ana-Voica Bojar et al.: Isotopic distillation pattern during a major regional storm event
10:00	Juan Carlos Richard-Cerda et al.: Partitioning denitrification pathways at an agricultural site using numerical modeling and stable isotopes of nitrate and sulfate
10:15	Cachintha Senarathne et al.: Balancing weathering and organic carbon input to a tropical river in Sri Lanka: a stable isotope approach
10:30	Coffee break
11:00	Amani Mahindawansha & Matthias Gassmann: A depth-oriented investigation of hyporheic zone processes by isotopic and chemical analysis
11:15	Kolja Bosch et al.: Challenges of estimating groundwater recharge in forests through deuterium oxide labelling – How to trace soil water movement below the root zone?
11:30	Maike Gröschke et al.: Climate indicators and stable isotope patterns in a region strongly impacted by lignite-mining (Lusatia, Germany)
11:45	Paul Königer et al.: Comparison of long-term precipitation stable isotopes monitoring at three selected stations of weekly resolution within the German Isotope Network (GIN)
12:00	Lunch break
13:30	Isotope Award
14:30	Ecosystems and Biogeochemistry
	Keynote 3: Dominika Lewicka-Szczebak: N2O isotopocules and mineral N isotopes in tracing N cycling in soils
15:00	Diana Burghardt et al.: Effect of nitrogen fertilization by red clover mulch in organic farming: An isotope analysis study
15:15	Rolf Siegwolf et al.: Water vapour diffusion from the atmosphere into the leaf is mostly ignored but relevant as shown by 18O isotopes
15:30	Gerhard Gebauer et al.: Multi-element stable isotope natural abundance in orchids from the Mediterranean region of Europe and SW-Australia
15:45	Poster session
16:45	ASI general meeting
ca. 18:15
19:00	Thermo Fisher User Meeting
Wednesday (2 Oct)
09:15	Ecosystems and Biogeochemistry
	Keynote 4: Frank Keppler: The isotopic fingerprint of plant methoxy groups and its application in biogeochemical research
09:45	Jonas Hädeler et al.: 18O labeling experiments reveal new abiotic pathway of methanol and formaldehyde formation in soil
10:00	Moritz Schroll et al.: Stable isotope insights into subglacial methane emissions from the Western Margin of the Greenland Ice Sheet
10:15	Thorsten Grams: Experimental drought in a mature beech/spruce forest - using stable isotopes to study drought resistance and tree recovery
10:30	Kai Nitzsche et al.: Using Cu stable isotope ratios to understand the cycling of Cu in Swiss grassland soils
10:45	Hannah Forsyth et al.: Investigating Polyethylene Degradation in Soil Using a 13C-labelling Approach
11:00	Coffee break
11:30	Physiology, Metabolism, Forensics, Food (+ further topics)
	Lili Xia et al.: Evaluation of the potential of stable hydrogen isotopic composition of fatty acids for geographical traceability of vegetable oils
11:45	Christine Lehn et al.: C-N-S-H-stable isotope data in human hair from the 1950s and more recent periods
12:00	Lisa Scharrenbroch et al.: Isotope Ratio Mass Spectrometry based profiling of Ricinus communis - A forensic approach
12:15	Nicole Scheid et al.: Geophysical Monitoring of simulated Graves and AI based Data Analysis – Subproject: Isotopic profiling of grass samples from the graves and nearby
12:30	Marie Singer et al.: Carbon isotopes as reaction tracking tool in cement mineralogy
12:45	Awards, announcements, closing remarks
ca. 13:15
14:00	Excursions
	Botanical Garden (14:00-15:30)     |     GSI Helmholtzzentrum (14:00-17:00)