Selected publications

Scientific highlights of IGB
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  • Programme area:Dimensions of Complexity of Aquatic Systems
May 2023
Journal of Geophysical Research : Biogeosciences. - 128(2023)4, Art. e2022JG007156

Moving Bedforms Control CO2 Production and Distribution in Sandy River Sediments

H. Schulz; Teitelbaum; J. Lewandowski; G. A. Singer; S. Arnon

The study investigated the impact of streamwater flow velocities and the resulting bedform migration on the CO2 production in streambeds. State-of-the-art 2-dimensional imaging techniques reveal the CO2 distribution in the streambed, an increasing CO2 production in the upper sediment and a decreasing hydrological exchange with deeper sediment layers, with increasing flow velocities.

May 2023
Limnology and Oceanography. -  68(2023)7, 1470-1489

Oxygen depletion and sediment respiration in ice-covered arctic lakes

Robert Schwefel; Sally MacIntyre; Alicia Cortés; Steven Sadro

The study investigated the oxygen budget of 4 arctic lakes using high-frequency data. Incubation experiments measured sediment metabolism. Volume-averaged oxygen depletion in situ was independent of water temperature and duration of ice-cover. Modeling under ice-oxygen dynamics requires consideration of optical properties, biological and transport processes modifying oxygen.

May 2023
Hydrological Processes. - 37(2023)5, Art. e14884

Tracer-aided ecohydrological modelling across climate, landcover, and topographical gradients in the tropics

Saul Arciniega-Esparza; Christian Birkel; Ana María Durán-Quesada; Ricardo Sánchez-Murillo; Georgianne W. Moore; Marco P. Maneta; Jan Boll; Laura Benegas Negri; Dörthe Tetzlaff; Kei Yoshimura; Chris Soulsby

This study applied a tracer-aided ecohydrology model in a data-scarce tropical catchment, using the output of climate models to estimate spatio-temporal dynamics of how water is partitioned, stored and transported at larger spatial scales. This provided a basis for projecting future climate and vegetation changes and the impact on regional hydrological and biogeochemical cycles.

April 2023
Earth system science data. - 15(2023), 1543–1554

Integrated ecohydrological hydrometric and stable water isotope data of a drought-sensitive mixed land use lowland catchment

Doerthe Tetzlaff; Aaron Smith; Lukas Kleine; Hauke Daempfling; Jonas Freymueller; Chris Soulsby

The authors provide open access to a unique ecohydrological and water stable isotope data set from different landscape compartments monitored during the extreme drought of 2018 at multiple spatial scales from lowland headwaters, which are often understudied despite them providing important ecosystem services.This data set allows to differentiate “blue” and “green” water fluxes.

March 2023
Proceedings of the Royal Society B: Biological Sciences. - 378(2023)1874 Art. XX

Multispecies collective waving behaviour in fish

Juliane Lukas; Jens Krause; Arabella Sophie Träger; Jonas Marc Piotrowski; Pawel Romanczuk; Henning Sprekeler; Lenin Arias-Rodriguez; Stefan Krause; Christopher Schutz; David Bierbach

Groups composed of more than one species offer a unique opportunity to look into the evolution of both mechanistic and functional aspects of collective behavior. The study presents data on mixed-species fish shoals that perform collective dives. The dampening effect of less responsive gambusia on molly diving behavior can have strong evolutionary consequences on the overall collective behavior.

March 2023
Limnology and Oceanography Letters. - 8(2023)4, 666-674

Anaerobic duration predicts biogeochemical consequences of oxygen depletion in lakes

Richard LaBrie; Michael Hupfer; Maximilian P. Lau

A team from TU Bergakademie Freiberg and IGB has developed an easy-to-use method to estimate the consequences of oxygen depletion in the deep water of lakes. Monitoring data from L. Arendsee and L. Stechlin, a.o., were used to model the spatiotemporal extent of anoxia. The novel tool has the potential to predict the ecological consequences of increasing anoxia in lakes due to climate warming.

February 2023
Water Resources Research. - 59(2023)3, Art. e2022WR033033

Upscaling Tracer-Aided Ecohydrological Modeling to Larger Catchments: implications for Process Representation and Heterogeneity in Landscape Organization

Xiaoqiang Yang; Doerthe Tetzlaff; Christin Müller; Kay Knöller; Dietrich Borchardt; Chris Soulsby

The authors adapted a tracer-aided ecohydrological model to upscale tracer-informed process representation to larger catchments scales. The modeling unravelled spatio-temporally varying patterns of water storage-flux-age interactions and their interplay under drought. Insights into ecohydrological functioning at scales relevant to management decision-making are important for guiding interventions.

February 2023
Hydrological Processes. - 37(2023)2, Art. e14814

Enhancing urban runoff modelling using water stable isotopes and ages in complex catchments

Aaron Smith; Doerthe Tetzlaff; Christian Marx; Chris Soulsby

Hydrological and water stable isotope datasets within a modelling framework were utilized to evaluate the water flow paths and ages in the heavily urbanized Panke catchment in Berlin. Groundwater was the primary flow component in reaches with less urbanisation. Wastewater effluent dominated the mid-reaches with direct storm runoff and shallow subsurface contributions in the urbanized reaches.

February 2023
Proceedings of the Royal Society B: Biological Sciences. - 290(2023)1992 Art. 20222115

Leveraging big data to uncover the eco-evolutionary factors shaping behavioural development

Sean M. Ehlman; Ulrike Scherer; David Bierbach; Fritz A. Francisco; Kate L. Laskowski; Jens Krause; Max Wolf

In this review, the authors provide a guide to state-of-the-art approaches that allow the collection and analysis of high-resolution behavioural data across development. They outline how such approaches can be used to address key issues regarding the ecological and evolutionary factors shaping behavioural development.

February 2023
Journal of Hydrology. - 618(2023) Art. 129188

Integrating urban water fluxes and moving beyond impervious surface cover: a review

Claire J. Oswald; Christa Kelleher; Sarah H. Ledford; Kristina G. Hopkins; Anneliese Sytsma; Doerthe Tetzlaff; Laura Toran; Carolyn Voter

This review paper by international female experts on urban hydrology identifies gaps in our understanding of how water flows through built landscapes. It focuses on key topics within urban hydrology related to water quantity, incl. runoff and streamflow generation, soils and soil water, groundwater, vegetation, and climate; describes challenges and opportunities in the field of urban hydrology.