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portfolio
Impact of Climate Change on Lakes
Published:
Lakes are vulnerable to changes in meteorological boundary conditions. Especially climate change will affect the thermal stratification of lakes and make short-duration heavy rainfall events more frequent and intense. 
Physical Limnology of Urban Lakes
Published:
Urban lakes are influenced by multiple external factors shaping their physical characteristics and ecosystems.
Sediment Biogeochemistry
Published:
Diagenetic reactions in the lake sediments determine retention and internal fluxes in the lake ecosystem.
publications
Sediment core data reconstruct the management history and usage of a heavily modified urban lake in Berlin, Germany
Published in Environ Sci Pollut Res., 2017
This paper is about the analysis of the sediment composition of an urban lake using XRF scanning and post-processing by multivariate statistical methods (PCA, k-means, SOM).
Recommended citation: Ladwig R., Heinrich L., Singer G., Hupfer M. (2017): "Sediment core data reconstruct the management history and usage of a heavily modified urban lake in Berlin, Germany" Environ Sci Pollut Res. 24: 25166-25178, doi 10.1007/s11356-017-0191-z https://link.springer.com/article/10.1007%2Fs11356-017-0191-z
Climate Change Demands Adaptive Management of Urban Lakes: Model- Based Assessment of Management Scenarios for Lake Tegel (Berlin, Germany)
Published in Water, 2018
This paper is about the calibration of a vertical 1D hydrodynamic-water quality model (GLM-AED2) to Lake Tegel. The model was used to investigate the impact of climate change under alternative management scenarios on the lake ecosystem.
Recommended citation: Ladwig R., Furusato E., Kirillin G., Hinkelmann R., Hupfer M. (2018): "Climate Change Demands Adaptive Management of Urban Lakes: Model- Based Assessment of Management Scenarios for Lake Tegel (Berlin, Germany)" Water 10, 168, doi 10.3390/w10020186 https://www.mdpi.com/2073-4441/10/2/186
Chironomid larvae enhance phosphorus burial in lake sediments: Insights from long-term and short-term experiments
Published in Science of The Total Environment, 2019
This paper investigates the bioturbation effects by chironomid larvae on phosphorus retention.
Recommended citation: Hupfer M., Jordan S., Herzog C., Ebeling C., Ladwig R., Rothe M., Lewandowski J. (2019): "Chironomid larvae enhance phosphorus burial in lake sediments: Insights from long-term and short-term experiments" Science of The Total Environment, ISSN 0048-9697, https://doi.org/10.1016/j.scitotenv.2019.01.274. https://www.sciencedirect.com/science/article/pii/S0048969719303195
Adapting the water management to mitigate the impact of multiple stressors on an urban lake: Case study Lake Tegel (Germany)
Published in TU Berlin, 2019
This doctoral thesis explores different management options for Lake Tegel by coming field sampling, statistical analysis and numerical modeling.
Recommended citation: Ladwig R. (2019): "Adapting the water management to mitigate the impact of multiple stressors on an urban lake: Case study Lake Tegel (Germany)" TU Berlin, http://dx.doi.org/10.14279/depositonce-8289. http://dx.doi.org/10.14279/depositonce-8289
LakeEnsemblR: An R package that facilitates ensemble modelling of lakes
Published in EarthArXiv, 2021
We present an R package, LakeEnsemblR, that facilitates running ensembles of five different one-dimensional hydrodynamic lake models (FLake, GLM, GOTM, Simstrat, MyLake).
Recommended citation: Moore T., Mesman J., Ladwig R., Feldbauer J., Olsson F., Pilla R., Shatwell T., Venkiteswaran J., Delany A., Dugan H., Rose K., Read J. (2021): "LakeEnsemblR: An R package that facilitates ensemble modelling of lakes" EarthArXiv, doi https://doi.org/10.31223/X55C8S https://doi.org/10.31223/X55C8S
Future projections of water level and thermal regime changes of a multipurpose subtropical reservoir (Sao Paulo, Brazil)
Published in Science of The Total Environment, 2021
Using data generated by a regionalized climate model (RCM) as input to a simple hydrological model and a one-dimensional vertical hydrodynamic model, we forecast potential changes in the Itupararanga reservoir, São Paulo, Brazil, in an exemplary time period (2028–2030) in the next decade.
Recommended citation: Barbosa, C.C., Calijuri, M.d.C., Alves dos Santos, A.C., Ladwig, R., Amorim de Oliveira, L.F., and Buarque, A.C.S.: Future projections of water level and thermal regime changes of a multipurpose subtropical reservoir (Sao Paulo, Brazil), Science of the Total Environment, https://doi.org/10.1016/j.scitotenv.2020.144741, 2021 https://doi.org/10.1016/j.scitotenv.2020.144741
Lake thermal structure drives interannual variability in summer anoxia dynamics in a eutrophic lake over 37 years
Published in Hydrology and Earth System Sciences, 2021
In this study, we used a vertical one-dimensional hydrodynamic-ecological model (GLM-AED2) coupled with a calibrated hydrological catchment model (PIHM-Lake) to simulate the thermal and water quality dynamics of the eutrophic Lake Mendota (USA) over a 37-year period to get a better understanding of inter-annual drivers of summer anoxia.
Recommended citation: Ladwig, R., Hanson, P. C., Dugan, H. A., Carey, C. C., Zhang, Y., Shu, L., Duffy, C. J., and Cobourn, K. M.: Lake thermal structure drives interannual variability in summer anoxia dynamics in a eutrophic lake over 37 years, Hydrol. Earth Syst. Sci., 25, 1009–1032, https://doi.org/10.5194/hess-25-1009-2021, 2021 https://doi.org/10.5194/hess-25-1009-2021
talks
Talk 1 on Relevant Topic in Your Field
Published:
This is a description of your talk, which is a markdown files that can be all markdown-ified like any other post. Yay markdown!
Conference Proceeding talk 3 on Relevant Topic in Your Field
Published:
This is a description of your conference proceedings talk, note the different field in type. You can put anything in this field.
teaching
Teaching experience 1
Undergraduate course, University 1, Department, 2014
This is a description of a teaching experience. You can use markdown like any other post.
Teaching experience 2
Workshop, University 1, Department, 2015
This is a description of a teaching experience. You can use markdown like any other post.