Dr. Volkmar Sauerland

Wissenschaftler in der Forschungseinheit Biogeochemische Modellierung

Büro:
Raum 5.506
Turm 5, Etage 5

Tel.: +49 431 600–4039
E-Mail: vsauerland(at)geomar.de

Anschrift:
GEOMAR Helmholtz-Zentrum für Ozeanforschung Kiel
Wischhofstraße 1–3
24148 Kiel

Forschungsinteressen

Ich beschäftige mich mit Algorithmen für diskrete und kontinuierliche Optimierungsprob-
leme und deren Anpassung für die Kallibrierung (Parameteroptimierung) und Bewertung
von Biogeochemischen Ozeanmodellen. Derzeit arbeite ich im EU-Projekt OceanICU “Un-
derstanding Ocean Carbon”.

Ausbildung und Werdegang

04/2021–02/2022 und seit 11/2022 Wissenschaftlicher Mitarbeiter in der FE Biogeochemische Modellierung, GEOMAR
2013–2020 PostDoc und Wissenschaftlicher Mitarbeiter in der AG Diskrete Optimierung, CAU
2005–2012 Doktorand und Wissenschaftlicher Mitarbeiter in der AG Diskrete Optimierung, CAU
2003 Diplom, AG Diskrete Optimierung, CAU

Publikationen

Jump to: Articles in a Scientific Journal - peer-reviewed | Presentations | Theses - not published by a publisher | Reports - other reports

Number of items: 20.

Articles in a Scientific Journal - peer-reviewed

[thumbnail of J Adv Model Earth Syst - 2023 - Sauerland.pdf]

Sauerland, V., von Hallern, C., Kriest, I. and Getzlaff, J. (2023) A CMA‐ES Algorithm Allowing for Random Parameters in Model Calibration.

Journal of Advances in Modeling Earth Systems, 15 (8). Art.Nr. e2022MS003390. DOI 10.1029/2022MS003390.

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Kriest, I. , Getzlaff, J., Landolfi, A. , Sauerland, V., Schartau, M. and Oschlies, A. (2023) Exploring the role of different data types and timescales for the quality of marine biogeochemical model calibration.

Biogeosciences (BG), 20 (13). pp. 2645-2669. DOI 10.5194/bg-20-2645-2023.

[thumbnail of bg-17-3057-2020-supplement.pdf]

Kriest, I. , Kähler, P., Koeve, W. , Kvale, K. F. , Sauerland, V. and Oschlies, A. (2020) One size fits all? Calibrating an ocean biogeochemistry model for different circulations.

Biogeosciences (BG), 17 . pp. 3057-3082. DOI 10.5194/bg-17-3057-2020.

El Ouali, M. and Sauerland, V. (2020) The Exact Query Complexity of Yes-No Permutation Mastermind.

Games, 11 (2). Art.Nr. 19. DOI 10.3390/g11020019.

[thumbnail of Sauerland_et_al-2019-Journal_of_Advances_in_Modeling_Earth_Systems.pdf]

Sauerland, V. , Kriest, I. , Oschlies, A. and Srivastav, A. (2019) Multiobjective Calibration of a Global Biogeochemical Ocean Model Against Nutrients, Oxygen, and Oxygen Minimum Zones.

Journal of Advances in Modeling Earth Systems, 11 (5). pp. 1285-1308. DOI 10.1029/2018MS001510.

Sauerland, V., Löptien, U. , Leonhard, C., Oschlies, A. and Srivastav, A. (2018) Error assessment of biogeochemical models by lower bound methods (NOMMA-1.0).

Geoscientific Model Development, 11 (3). pp. 1181-1198. DOI 10.5194/gmd-2017-133.

El Ouali, M., Glazik, C., Sauerland, V. and Srivastav, A. (2018) On the Query Complexity of Black-Peg AB-Mastermind.

Games, 9 (1). Art.Nr. 2. DOI 10.3390/g9010002.

[thumbnail of gmd-10-127-2017-supplement.zip]

Kriest, I. , Sauerland, V., Khatiwala, S., Srivastav, A. and Oschlies, A. (2017) Calibrating a global three-dimensional biogeochemical ocean model (MOPS-1.0).

Geoscientific Model Development, 10 . pp. 127-154. DOI 10.5194/gmd-10-127-2017.

Baltz, A., El Ouali, M., Jager, G., Sauerland, V. and Srivastav, A. (2015) Exact and heuristic algorithms for the Travelling Salesman Problem with Multiple Time Windows and Hotel Selection. Journal of the Operational Research Society, 66 (4). pp. 615-626. DOI 10.1057/jors.2014.17.

El Ouali, M. and Sauerland, V. (2013) Improved Approximation Algorithm for the Number of Queries Necessary to Identify a Permutation. Combinatorial Algorithms. IWOCA 2013. Lecture Notes in Computer Science, 8288 . pp. 443-447. DOI 10.1007/978-3-642-45278-9_40.

Kliemann, L., Kliemann, O., Patvardhan, C., Sauerland, V. and Srivastav, A. (2013) A New QEA Computing Near-Optimal Low-Discrepancy Colorings in the Hypergraph of Arithmetic Progressions. Experimental Algorithms. SEA 2013. Lecture Notes in Computer Science, 7933 . pp. 67-78. DOI 10.1007/978-3-642-38527-8_8.

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Ruckelt, J., Sauerland, V. , Slawig, T., Srivastav, A., Ward, B. and Patvardhan, C. (2010) Parameter optimization and uncertainty analysis in a model of oceanic CO2 uptake using a hybrid algorithm and algorithmic differentiation. Nonlinear Analysis-Real World Applications, 11 (5). pp. 3993-4009. DOI 10.1016/j.nonrwa.2010.03.006.

Patvardhan, C., Sauerland, V. and Srivastav, A. (2009) Systemic studies on large scale natural systems: an efficient quantum evolutionary algorithm for marine CO2-simulation. Proceedings of the International Conference on Applied Systems Research . pp. 44-47.

[thumbnail of Fixed-point-coefficient_FIR_filters_and_filter_banks_Improved_design_by_randomized_quantizations.pdf]

Heute, U., Srivastav, A., Sauerland, V. and Kliewer, J. (2007) Fixed-point-coefficient FIR filters and filter banks: Improved design by randomized quantizations. Signal Processing and Its Applications, 2007. ISSPA 2007. 9th International Symposium on Signal Processing and Its Applications . pp. 1-4. DOI 10.1109/ISSPA.2007.4555335.

Presentations

Kriest, I. , Kähler, P., Khatiwala, S., Koeve, W. , Kvale, K. F. , Sauerland, V. and Oschlies, A. (2020) One size fits all? - Optimising ocean biogeochemistry for different circulations. [Talk] In: Ocean Sciences Meeting 2020. , 16.-21.02.2020, San Diego, USA .

Kriest, I. , Sauerland, V. and Oschlies, A. (2018) As good as it gets: Fitting a global biogeochemical model to oxygen minimum zones. [Talk] In: Ocean Deoxygenation: Drivers and Consequences - Past/Present/Future. International Conference. , 03.-07.09.2018, Kiel, Germany .

Kriest, I. , Sauerland, V. and Oschlies, A. (2018) Parameter optimization helps to shed light on the role of ocean biota for oxygen and nitrogen cycles. [Invited talk] In: Kiel Symposium on Discrete Algorithms and their Applications in Marine-and Life Sciences – An Indo-German Perspective. , 12.-14.09.2018, Kiel, Germany .

Theses - not published by a publisher

Sauerland, V. (2012) Algorithm Engineering for some Complex Practise ProblemsExact Algorithms, Heuristics and Hybrid Evolutionary Algorithms.

(PhD/ Doctoral thesis), Christian-Albrechts-Universität zu Kiel, Kiel, Germany, 83 pp.

Sauerland, V. (2003) Mathematische Optimierung im Entwurf kosinus-modulierter Filterbänke. (Diploma thesis), Christian-Albrechts-Universität zu Kiel, Kiel, Germany, 83 pp.

Reports - other reports

[thumbnail of 762030301d9ca4d3709c33f092f904319d8f.pdf]

Rückelt, J., Sauerland, V. , Slawig, T., Srivastav, A., Ward, B. and Patvardhan, C. (2009) Parameter Optimization and Validation of a Marine Biogeochemical Model using a Hybrid Algorithm.

. Bericht / Institut für Informatik der Christian-Albrechts-Universität zu Kiel, 0919 . Christian-Albrechts-Universität zu Kiel. Institut für Informatik , Kiel, Germany, 32 pp.

This list was generated on Thu Dec 26 05:04:53 2024 CET.