dr hab. Krzysztof Kochanek, Assoc. Prof. PAS

Associate Profesor 

Institute of Geophysics Polish Academy of Sciences
addres: Księcia Janusza 64, 01-452 Warsaw
phone: +48 22 6915-862, e-mail: kochanek@igf.edu.pl

education

  • Since 2012 the Habilitation in the Earth sciences in geophysics, subject: hydrology;

  • Doctor of technical sciences, graduated from the Department of Environmental Engineering, Warsaw University of Technology in 2003. The title of the thesis was: ‘The evaluation of the selected methods of water management decision making in the vicinity of open cast mines’, I was supervised by Profes-sor Marek Nawalany. The thesis was reviewed by Professors Andrzej Kraszewski and Andrzej Sa-durski. I achieved excellent mark for the thesis and the dissertation;

  • Master of business administration, graduated from Warsaw University of Technology Business School in 2000;
  • Master of Science, engineer, graduated from the Department of Environmental Engineering, Warsaw University of Technology in 1997. I was supervised by Professor Marek Nawalany. I achieved excel-lent mark for the thesis and the dissertation defence.

Employement

  • Since October 2019: Coordinator of the GeoPlanet Doctoral School at the Institute of Geophysics of the Polish Academy of Sciences and Vice-Dean at the International Environmental Doctoral School on behalf of the Institute of Geophysics of the Polish Academy of Sciences
  • Since January 2019: Secretary in the Presidium of the Scientific Council of the Institute of Geophysics of the Polish Academy of Sciences.
  • Since October 2018: Head of doctoral studies at the Institute of Geophysics of the Polish Academy of Sciences.
  • February 2015 - September 2016: Assistant professor at the Faculty of Civil Engineering, Mechanics and Petrochemistry of the Warsaw University of Technology, branch in Płock - scientific work in the field of hydrology as well as lectures and exercises in hydrology, water management, hydraulics, environmental protection, geophysics and specialised English.
  • April 2010 - October 2011: Engineer at L'institut de recherche en sciences et technologies pour l'environnement «Cemagref» (now IRSTEA) in Lyon, France - scientific work on statistical hydrology.
  • February - December 2009: Manager of the IT and research project: "Development and implementation of a computer system for collecting, storing, processing and on-line sharing  environmental data" - project management, research, design and programming of databases and algorithms for the classification of water bodies.
  • June 2007 - June 2008: Post – doc at the Centre for Water Resources Research, School of Architecture, Landscape and Civil Engineering, University College Dublin in Ireland - scientific work on decision support systems.
  • Since January 2003: in the Department of Water Resources (currently Department of Hydrology and Hydrodynamics) of the Institute of Geophysics of the Polish Academy of Sciences (IGF) first as an assistant then from October the same year as an assistant professor and from September 2012 as a professor at the Polish Academy of Sciences. At the IGF, I joined a research team led by Professor Witold G. Strupczewski.
  • October 1997 - June 2003: doctoral studies at the Institute of Environmental Engineering Systems, Faculty of Environmental Engineering, Warsaw University of Technology. As part of my studies, I conducted laboratory classes and auditorium exercises in the following subjects: basics of IT techniques, including programming and numerical methods, fundamentals of system theory and Geographic Information Systems.
  • May 2002 - December 2002: Senior inspector in the Water Management Office - IT department, office work, GIS analysis.
  • September 1997 - September 2001: PhD student at the Institute of Environmental Engineering Systems, Faculty of Environmental Engineering, Warsaw University of Technology - didactic activity - conducting classes with students in the following subjects: basics of computer science, spatial information systems, basics of system theory.
research interests
  • Statistical and deterministic modeling of hydrological extreme phenomena in stationary and non-stationary conditions.
  • Seasonal and multi-model approach to modeling extreme flows.
  • The use of historical information to model hydrological extreme phenomena.
  • Accuracy of mapping quantile values with long repetition period by procedures combining statistical models used in hydrology with various methods of estimating their parameters.
  • Robustness of methods for estimating parameters and quantiles of statistical hydrological models to imperfections of the measurement sample.
  • Selection of the best hydrological model describing a given measurement sample.
  • Modeling of groundwater flows.
  • Decision making under conditions of risk and uncertainty.

research grants

  • 2013 - 2015: "New statistical models in the analysis of the incidence of floods and flood wave shape characteristics". Project financed by the National Science Center. Project Reg. No. 2012/05 / B / ST10 / 00482, Contract No. UMO-2012/05 / B / ST10 / 00482. Implemented at the Institute of Geophysics of the Polish Academy of Sciences. Nature of participation: project manager.
  • 2009 - 2011: "Application of new parametric methods for hydrological design in conditions of a changing environment". The project financed by the Ministry of Science and Information Technology and the National Science Center. Project No. N N307 092037, Agreement No. 0920 / B / P01 / 2009/37. Implemented at the Institute of Geophysics of the Polish Academy of Sciences. Nature of participation: project manager.
  • 2009: "Development and implementation of a computer system for collecting, storing, processing and sharing the on-line environmental data." The project implemented jointly with the Warsaw University of Technology as part of the Norwegian Financial Mechanism program. The project was commissioned by the Provincial Inspectorate for Environmental Protection in Krakow. Nature of participation: project manager. The team carrying out the project received the 2010 award of the Minister of the Environment "For Special Scientific and Research Achievements".
  • 2005 - 2008: "Improvement of methods and techniques for statistical modeling of flood phenomena" Project financed by the Scientific Research Committee. Project Reg. No. 2 P 04D 057 29, Agreement No. 0546 / P04 / 2005/29. Implemented at the Institute of Geophysics of the Polish Academy of Sciences. Nature of participation: main contractor.
  • 2003 - 2006: 'Integrated Water Management of Transboundary Catchment' TransCat ', a research project funded by the Commission under the Fifth Framework Program and the implementation of Key Action' Sustainable Management and Quality of Water '. Contract No. EVK1-CT-2002-00124 Performed jointly with partners from Poland, the Czech Republic, Germany, Spain, Portugal, Bulgaria, Greece, Norway and Russia, in which I dealt with, among others, GIS analysis issues and groundwater flow modeling; Nature of participation: contractor.
  • 1999 - 2002: "System supporting water and economic decisions for the needs of opencast mines", International INCO Copernicus Program. Project implemented at the Faculty of Environmental Engineering at the Warsaw University of Technology. Character participation: Chief GIS designer and programmer.
  • 1998: "Comprehensive mathematical model of the Zegrzyński Lake". Project implemented at the Faculty of Environmental Engineering at the Warsaw University of Technology. My share was in calculating the lake's water balance, modeling groundwater flows.
  • 1997: "Impact of open-cast brown coal mines on surface and underground waters". Project implemented at the Faculty of Environmental Engineering at the Warsaw University of Technology. I participated in modeling groundwater flows.

important publications

2020

Kochanek K., Strupczewski W.G., Bogdanowicz E., Markiewicz I., The bias of the maximum likelihood estimates of flood quantiles based solely on the largest historical records, Journal of Hydrology, Vol. 584, 2020, 124740, ISSN 0022-1694, https://doi.org/10.1016/j.jhydrol.2020.124740
Markiewicz, I.; Bogdanowicz, E.; Kochanek, K., On the Uncertainty and Changeability of the Estimates of Seasonal Maximum Flows. Water 2020, 12(3), 704; https://doi.org/10.3390/w12030704
2019
Ciupak, M., Ozga-Zielinski, B., Adamowski, J., Deo, R. C. and Kochanek, K., Correcting Satellite Precipitation Data and Assimilating Satellite-Derived Soil Moisture Data to Generate Ensemble Hydrological Forecasts within the HBV Rainfall-Runoff Model, Water, MDPI AG, Vol. 11(10), pp. 2138
Bloeschl G., Bierkens M.F.P., Chambel A,… Kochanek K., et al. Twenty-three unsolved problems in hydrology (UPH) - a community perspective, Hydrological Sciences Journal-Journal Des Sciences Hydrologiques, Vol. 64, Issue 10, Pages: 1141-1158, https://doi.org/10.1080/02626667.2019.1620507
2018
Bogdanowicz E., Kochanek K, Strupczewski WG, The weighted function method: A handy tool for flood frequency analysis or just a curiosity? Journal of Hydrology, 559, 209-221, doi: 10.1016/j.jhydrol.2018.02.020
Giang NV, Kochanek K., Vu NT, Duan NB, Landfill leachate assessment by hydrological and geophysical data: case study NamSon, Hanoi, Vietnam. Journal of Material Cycles and Waste Management, 20(3), 1648-1662, doi: 10.1007/s10163-018-0732-7
Kochanek K., New insight into statistical hydrology, preface to the special issue. Acta Geophysica, 66(4), 739-740, doi: 10.1007/s11600-018-0151-0
Manfreda S, Iacobellis V, Gioia A, Fiorentino M, Kochanek K, The Impact of Climate on Hydrological Extremes. Water, 10(6), 802, doi: 10.3390/w10060802
2017
Kochanek K., Feluch W., Zastosowanie metody uogólnionych momentów do estymacji kwantyli przepływów maksymalnych wybranych rozkładów o grubych ogonach. Przegląd Geofizyczny, rocznik LXI, 2016, zeszyt 3-4, str. 171-193
Strupczewski W.G, Kochanek K., Bogdanowicz E. Historical floods in flood frequency analysis: Is this game worth the candle?, Journal of Hydrology 554 (2017), Pages 780-791
2016
Strupczewski, W.G., K. Kochanek, E. Bogdanowicz, I. Markiewicz, W. Feluch: Comparison of Two Nonstationary Flood Frequency Analysis Methods within the Context of the Variable Regime in the Representative Polish Rivers, Acta Geophysica. Volume 64, Issue 1, Pages 206–236, ISSN (Online) 1895-7455, DOI: 10.1515/acgeo-2015-0070, February 2016
2015
Markiewicz I, Strupczewski WG, Bogdanowicz E, Kochanek K (2015) Generalized Exponential Distribution in Flood Frequency Analysis for Polish Rivers. PLoS ONE 10(12): e0143965. doi:10.1371/journal.pone.0143965
Kochanek, K., E. Karamuz & M. Osuch: Distributed Modelling of Flow in the Middle Reach of the River Vistula. Chapter in GeoPlanet: Earth and Planetary Sciences 16:83-107 · June 2015; DOI: 10.1007/978-3-319-18854-6_6 In book: Stochastic Flood Forecasting System, Chapter: 6, Publisher: Springer International Publishing, Editors: Renata J. Romanowicz, Marzena Osuch, pp.83-107
Bogdanowicz, E., W.G. Strupczewski & K. Kochanek: On the run length in annual maximum flow series in the middle Vistula basin in the context of climate change impact: An attempt to determine the indicator for the assessment of changes in the regime of high waters. Chapter in GeoPlanet: Earth and Planetary Sciences 16:83-107 · June 2015; DOI: 10.1007/978-3-319-18854-6_3 In book: Stochastic Flood Forecasting System, Chapter: 3, Publisher: Springer International Publishing, Editors: Renata J. Romanowicz, Marzena Osuch, pp. 33-47
2014
Lang, M., P. Arnaud, J. Carreau, N. Deaux, L. Dezileau, F. Garavaglia, A. Latapie, L. Neppel, E. Paquet, B. Renard, J.-M. Soubeyroux, B. Terrier, J.-M. Veysseire, Y. Aubert, A. Auffray, F. Borchi, P. Bernardara, J.-C. Carre, D. Chambon, T. Cipriani, J.-L. Delgado, H. Doumenc, R. Fantin, S. Jourdain, K. Kochanek, A. Paquier, E. Sauquet et Y. Tramblay: Résultats du projet ExtraFlo (ANR 2009-2013) sur l'estimation des pluies et crues extrêmes. La Houille Blanche, n°2, 2014, p. 5-13, http://dx.doi.org/10.1051/lhb/2014010
Strupczewski, W.G., K. Kochanek, E. Bogdanowicz. On Return Period of the Largest Historical Flood. Journal of Geoscience and Environment Protection, 2, 144-152. http://dx.doi.org/10.4236/gep.2014.23019
Bogdanowicz, E., W.G. Strupczewski, K. Kochanek, I. Markiewicz. Flood Risk for Embanked Rivers. Journal of Geoscience and Environment Protection, 2, 135-143. http://dx.doi.org/10.4236/gep.2014.23018
Strupczewski, W. G., K. Kochanek and E. Bogdanowicz Flood frequency analysis supported by the largest historical flood, Nat. Hazards Earth Syst. Sci., 14, 1543-1551, doi:10.5194/nhess-14-1543-2014
Kochanek K., B. Renard, P. Arnaud, Y. Aubert, M. Lang, T. Cipriani and E. Sauquet, A data-based comparison of flood frequency analysis methods used in France. Nat. Hazards Earth Syst. Sci., 14, 295-308, 2014 doi:10.5194/nhess-14-295-2014
2013
Renard B., K. Kochanek, M. Lang, F. Garavaglia, E. Paquet, L. Neppel, K. Najib, J. Carreau, P. Arnaud, Y. Aubert, F. Borchi, J.-M. Soubeyroux, S. Jourdain, J.-M. Veysseire, E. Sauquet, T. Cipriani, A. Auffray Data-based comparison of frequency analysis methods: A general framework, Water Resources Research, Volume 49, Issue 2, pages  825–843
Strupczewski, W., Bogdanowicz, E., and  Kochanek, K.,  Discussion of “Synthetic Design Hydrographs Based on Distribution Functions with Finite Support” by Francesco Serinaldi and Salvatore Grimaldi. J. Hydrol. Eng., 18(1), 121–126. doi: 10.1061/(ASCE)HE.1943-5584.0000538
2012
Strupczewski, W. G., Kochanek, K., Bogdanowicz, E. , Markiewicz, I., Inundation Risk for Embanked Rivers, Proceedings of the 3rd STAHY International Workshop on Statistical Methods For Hydrology And Water Resources Management. October 1-2, 2012 Tunis, Tunisia. www.stahytunis2011.org/Proceedings/INUNDATION%20RISK%20FOR%20EMBANKED%20RIVERS.pdf
Strupczewski, W.G., Kochanek, K., Bogdanowicz, E., Markiewicz, I., On seasonal approach to flood frequency modelling. Part I: Two-component distribution revisited. Hydrological Processes, Volume: 26 Issue: 5 Pages: 705-716, DOI: 10.1002/hyp.8179
Kochanek, K., Strupczewski, W.G., Bogdanowicz, E. On seasonal approach to flood frequency modelling. Part II: Flood frequency analysis of Polish rivers. Hydrological Processes, Volume: 26, Issue: 5, Pages: 717-730, DOI: 10.1002/hyp.8178
2011
Strupczewski, W.G., Kochanek, K., Markiewicz, I., Bogdanowicz, E., Weglarczyk, S., Singh, V.P.  On the tails of distributions of annual peak flow. Hydrology Research Volume 42, Issue 2-3, 2011, pp. 171-192, DOI: 10.2166/nh.2011.062 
2010
Kochanek, K., Tynan, S. The environmental risk assessment for decision support system for water management in the vicinity of open cast mines (DS WMVOC). Technological and Economic Development of Economy, Volume 16, Issue 3, 2010, pp. 414-431, DOI: 10.3846/tede.2010.26   
Markiewicz, I., Strupczewski, W.G., Kochanek, K. On accuracy of upper quantiles estimation. Hydrology and Earth System Sciences, Volume 14, Issue 11, 2010, Pages 2167-2175 , DOI: 10.5194/hess-14-2167-2010
Markiewicz, I., Strupczewski, W.G., Kochanek, K. On accuracy of upper quantiles estimation. Hydrology and Earth System Sciences Discussions, Volume 7, Issue 4, 2010, pp 4761-4784, DOI: 10.5194/hessd-7-4761-2010  
2009
Strupczewski W.G., Kochanek K., Feluch W., Bogdanowicz E. & Singh V.P. On seasonal approach to nonstationary flood frequency analysis. Physics and Chemistry of the Earth 34 pp 612–618  
2008
Bogdanowicz E., Strupczewski W.G., Kochanek K. Zastosowanie modelu przepływ-czas trwania- prawdopodobieństwo nieprzewyższenia do opisu charakterystyk szczytowych części fal wezbraniowych (An application of the model flow-time-probability of non exceedance to description of the peak flow characteristics of the flood waves). Przegląd Geofizyczny (Geophysical Research), Rocznik LIII, Zeszyt 3-4, pp 263-287 (in Polish) 
Kochanek K., Strupczewski W.G., Singh V.P. & Weglarczyk S. The PWM large quantile estimates of heavy tailed distributions from samples deprived of their largest element. Hydrological Sciences–Journal–des Sciences Hydrologiques, 53(2), 
pp. 367–386
Strupczewski, W.G., Markiewicz, I., Kochanek, K.,  Singh, V.P. Short Walk into Two-Shape Parameter Flood Frequency Distributions. in Hydrology and Hydraulics, edited by V.P. Singh, Water Resources Publications, Highlands Ranch, Colorado, 2008. Chapter 19 pp 669 – 716.
2007
Strupczewski W. G., K. Kochanek, S. Weglarczyk, V. P. Singh, On robustness of large quantile estimates to largest elements of the observation series. Hydrol. Processes. Vol. 21, issue 10, pp. 1328-1344
Strupczewski, W.G., K. Kochanek, V.P. Singh On the informative value of the largest sample element of log-Gumbel distribution. Acta Geophysica, 55, 4, 652-678. DOI : 10.2478/s11600-007-0027-1.
2006
Strupczewski, W.G., Kochanek, K.,  Singh, V.P. On thermal inversion observed in Liberian lagoons during dry season. In a book: Coastal Hydrology and Processes, edited by V.P. Singh and Y.J. Xiu, Water Resources Publications, Highlands Ranch, Colorado, pp.395-402.
Strupczewski, WG., Mitosek, H.T., Kochanek, K., Singh, V.P. and Weglarczyk, S. (2006) Probability of correct selection from lognormal and convective diffusion models based on the likelihood ratio. Stoch Environ Res Risk Assess (2006) 20: 152–163, DOI 10.1007/s00477-005-0030-5
Markiewicz, I., Strupczewski, W.G., Kochanek, K., Singh, V.P. Relationships between three dispersion measures used in flood frequency analysis. Stoch Environ Res Risk Assess 20: 391–405 DOI 10.1007/s00477-006-0033-x
Markiewicz, I., Strupczewski, W.G., Kochanek, K., Singh, V.P. Discussion on „Non-stationary pooled flood frequency analysis” by J.M. Cunderlik and D.H. Burns [J.Hydrol. 276 (2003) 210-223], J.Hydrol. 330, 382-386.
Strupczewski, W.G., Singh, V.P., Weglarczyk, S., Kochanek, K., Mitosek, H.T. Complementary aspects of linear flood routing modelling and flood frequency analysis. Hydrol. Processes, Volume 20, Issue 16, 30 października 2006, pp: 3535-3554
Markiewicz, I., Strupczewski, W.G., Kochanek, K., Singh, V.P. Relations of three dispersion measures used in Flood Frequency Analysis – a poster presented at the session: NP-3.04 Geophysical Extremes: scaling aspects and modern statistical approaches. European Geosciences Union (EGU) General Assembly. Vienna (Austria) 2-7 Appril 2006. 
2005
Strupczewski, W. G., Kochanek, K., Singh, V. P. and Weglarczyk, S., Are Parsimonious Flood Frequency Models More Reliable than the True Ones? I. Accuracy of Quantiles and Moments Estimation (AQME) – Method of Assessment. Acta Geophysica Polonica, Vol. 53, no 4, pp. 419-436
Kochanek, K., Strupczewski, W. G., Singh, V. P. and Weglarczyk, S., Are Parsimonious Flood Frequency Models More Reliable than the True Ones? II. Comparative assessment of the performance of simple models versus the parent distribution. Acta Geophysica Polonica, Vol. 53, no 4, pp. 437-457
Strupczewski, W. G., Kochanek, K., Weglarczyk, S., and Singh, V. P.,On robustness of large quantile estimates of log-Gumbel and log-logistic distributions to largest element of the observation series: Monte Carlo results vs. first order approximation. Stoch Environ Res Risk Assess, Vol 19, No 4: 280–291, DOI 10.1007/s00477-005-0232-x 
Kochanek, K., Groundwater modelling in small river basin; Biala Glucholaska (Bela) River case study. Proceedings of the VIII conference on ‘Evolutionary Algorithms and Global Optimisation’, Korbielow (Poland)
2004
Kochanek, K., Groundwater model for Biala Glucholaska (Bela) River Basin. Proceedings of the Eco-Geowater Conference: ‘GI for International River Basin Management’, BUT&E, Budapest (Hungafy) 
2003
W.G. Strupczewski, V.P. Singh, and S. Weglarczyk, K. Kochanek, H.T. Mitosek, Linear Flood Routing Modelling and Flood Frequency Analysis - similarity of techniques. Colloquium 10, Local and regional estimation of extreme hydrological events, – 16th Annual Entretiens du Centre Jacques Cartier Conference Series, Lyon (France)
W.G. Strupczewski, V.P. Singh, and S. Weglarczyk, K. Kochanek, H.T. Mitosek, Transfer of experience, knowledge and techniques between Linear Flood Routing Modelling and Flood Frequency Analysis. International Conference on Water and Environment WE-2003, Bhopal (India)
W.G. Strupczewski, V.P. Singh, S. Weglarczyk, K. Kochanek, H.T. Mitosek, Confronting flood frequency model with data. EGS-AGU-EUG Joint Assembly, Nice (Francja) Abstract No: EAE03-A-01701
M. Nawalany, G. Sinicyn, K. Kochanek, B. Czyzkowski, A decision support system for groundwater: water management issues for opencast mining. In New Paradigms In Subsurface Prediction: Characterization Of The Shallow Subsurface Implications For Urban Infrastructure And Environmental Assessment. Serries: Lecture Notes In Earth Sciences Vol.: 99, pp: 97-102.
2002
S. Tynan, K. Kochanek, ‘Environmental Risk Assessment Methods For The Water Management In The Vicinity Of Open Pit Mines’, Proceedings of the ‘5th International Conference on Hydro -Science & -Engineering’, Warsaw University of Technology, Warsaw (Poland)
2001
M. Nawalany, G. Sinicyn, K. Kochanek, B. Czyżkowski, ‘Water Management Problems and Conflicts in the Mining Stricken Regions’. Proceedings of the conference ‘New Paradigm for the Prediction of Subsurface Conditions’, Spa (Belgium), Springer-Verlag.
2000
B. Czyżkowski, K. Kochanek: „Wpływ górnictwa odkrywkowego na wody podziemne i powierzchniowe - projekt Systemu Wspomagania Decyzji” (Impact of the open cast mining on groundwater and surface water - the Decision Support System project), Proceedings of the conference „Współczesne problemy inżynierii środowiska”, Warsaw (Poland), (in Polish).
1999
B. Czyżkowski, K. Kochanek, M. Nawalany: „Model matematyczny dopływu zanieczyszczeń z rzeki do studni ujęcia infiltracyjnego” (Mathematical model of the contamination inflow from the river to the water uptake infiltration well), Wydawnictwa Politechniki Warszawskiej, (in Polish).
K. Kochanek, B. Czyżkowski, M. Nawalany: „Zastosowanie modelu matematycznego dopływu zanieczyszczenia z rzeki do studni ujęcia infiltracyjnego – przypadek ujęcia w gminie Gorzyce” (The use of mathematical model of the contaminants inflow from the river to the water uptake infiltration well), Wydawnictwa Politechniki Warszawskiej, (in Polish).
1998
B. Czyżkowski, K. Kochanek, M. Nawalany: „Groundwater versus Surface Water Quality – the Analitical Model of a River Bank Infiltration Intake”
Proceedings of the 28th Congress of the Association of Hydrogeologists, Las Vegas (USA)

 

 
 
 

 

 

 

 

 


 

Projects