IMMSP-UCEWP team was established in 1986 as a unit for the simulation of radionuclide transport in surface and subsurface water after the Chernobyl accident. The developed for this task codes are included now into the several EU decision support systems for offsite nuclear emergency ( RODOS, POSEIDON). During last years the team diversifies its activities. Now the main fields of the activities include the development and implementation of following models (the references in the brackets only to the publications of the last four years, the full texts of them can be downloaded from this page)

• 1-D, 2- D and 3- D models of the currents, thermodynamics, sediment transport an waves in rivers, reservoirs, lakes, cooling ponds of the power plants, coastal areas of the seas [ 1-7].
• 2-D runoff model for small watersheds [8].
• 1-D, 2- D and 3- D models of radionuclide transport in surface water [ 1- 4,8]. The models were tested and implemented for the different kinds of the water bodies in Ukraine [1-4,9], Siberia [11], Lithuania, Slovak Republic, Germany [ 12 ], Greece [13], for the Black, North and Baltic seas [14,15], Mediterranean straits [16].
• 1-D, 2- D and 3- D models of water quality and eutrophication [7,17]
• Model of the oil spills in the seas [18]
• Model of the radionuclide uptakes in the marine organisms [19].
• Models of water and radionuclide transport in vadose zone and groundwater [20,21]
• Model of toxic heavy gas dispersion in boundary layer [22]
• Adaptation for the Ukrainian territory of the PSU/NCAR mesoscale numerical weather prediction system MM5 and its coupling with radionuclide atmospheric dispersion model [23]

There are provided researches on the purification of the numerical algorithms, and development of the methods of the assimilation of the monitoring data in the numerical models on the basis of Kalman filtering procedures and adjoint equations. The developed methods and models are implemented into the decision support systems [12-15, 17, 23].

1. RIVTOX - one dimensional model for the simulation of the transport of radionuclides in a network of river channels - Zheleznyak M., Donchyz G., Hygynyak V., Marinetz A., Lyashenko G., Tkalich P. - RODOS Report RODOS-WG4-TN(97)05, Forschungszentrum Karlsruhe. , 2000
   
   
2. Assessment of doses to potential exposure groups from collapse of the Chernobyl cooling pond dam S Kivva, N.Dzjuba, A.Dvorzhak, M.Zheleznyak, Annex 3 to the Report for European Commission (EC) Directorate-General ENV.3: 'Drawing up and evaluating remediation strategies for the Chernobyl cooling pond'" , Report for European Commission (EC) Directorate-General ENV.3 Project No ENV.C.2/SER/2000/ 0064 NNC Limited, UK, 2002
   
   
3. Three-dimensional model of radionuclide dispersion in the estuaries and shelf seas. Koziy L., Maderich V., Margvelashvili N., Zheleznyak M. J. Environmental Modeling and Software. 1998, 13 (5/6), 413-420.
   
   
4. 3-D numerical modelling of mud and radionuclide transport in the Chernobyl Cooling Pond and Dnieper - Boog Estuary. -N. Margvelashvili, V. Maderich, S.Yus?henko and M. Zheleznyak In: Fine Sediments Dynamics in the Marine Environment ed. J.C. Winterwerp and C. Kranenburg, Elsevier, 2002, p. 595-610.
   
   
5. A non-hydrostatic numerical model for calculating of free-surface stratified flows in the coastal sea.Yu. Kanarska, V.Maderich , Book of Extended Abstracts of 11th International Biennial Conference on Physics of Estuaries and Coastal Seas, PECS-2002, Hamburg, September 17-20, 2002
   
   
6. The influence of different parameterisations of meteorological forcing and turbulence schemes on modelling of eutrophication processes in a 3D model of estuary. V. Maderich , O. Nesterov, S. Zilitinkevich PECS-2002, Hamburg, September 17-20, 2002
   
   
7. Spatial redistribution of radionuclides within catchments: development of GIS-based models for decision support systems. S.Kivva, M.Zheleznyak, Reportfor EU Inco-Copernicus Programme, project SPARTACUS, IMMSP, Kiev, 1999
   
   
8. Simulation of radionuclide fluxes from the Dnieper-Bug Estuary into the Black Sea. Margvelashvili N., Maderich V. and Zheleznyak M. - J. Environmental Radioactivity, 1999, 43, (2), 157-171.
   
   
9. Comparative analyses of different modelling approaches to simulate radionuclide transport through the Dnieper reservoirs based on extremal flood 1999 scenario. O. Voitsekhovich, M.Zheleznyak , L.Monte , - In: Brechignac F (ed.). Radioprotection. Proc. Volume I of the International Congress: The Radioecology - Ecotoxicology of Continental and Estuarine Environments ECORAD 2001, Aix-en-Provence, France, 3-7 September, 2001. Radioprotection - colloques 2002; 37
   
   
10. Modelling of the seasonal dynamics of the water masses, ice and radionuclide transport in the large Siberian river estuaries V.Maderich, N.Dziuba, V.Koshebutsky , M.Zheleznyak, V.Volkov. In: PECS-2002
    
    
11. Hydrological Dispersion Module of the Decision Support System RODOS. - M.Zheleznyak , R.Heling , W.Raskob In ECORAD-2001.
    
    
12. Reconstruction of land-to-sea radionuclide flux by Poseidon/Rodos model chain: the Thermaikos Gulf case. Popov A., Catsaros N., Maderich V., Yushenko S, In ECORAD-2001
    
    
13. POSEIDON/RODOS model for radiological assessment of marine environment after accidental releases: application to coastal areas of the Baltic, Black and North seas. S. Lepicard, R. Heling, V. Maderich In: Proc. "In situ nuclear metrology as a too l for radioecology" IRE, 10-12 June 2002, Fleurus, Belgium
    
    
14. Assessment of radionuclide contamination in the Black Sea using Poseidon/Rodos system. Veleva B. Koziy L. Yushchenko S., Maderich V. Mungov G. In ECORAD-2001
    
    
15. Reconstruction and prediction of radionuclide transport in the Mediterranean sea chain V. Maderich J. Environmental Radioactivity 43 (1999) 205-219
    
    
16. Water quality modeling to support the operation of the Kakhovka Reservoir, Dnieper River, Ukraine. - J. Hoybye, L. Iritz, M. Zheleznyak, V. Maderich, R.Demchenko, N. Dziuba, G. Donchitz, V. Koshebutsky, In Proc. Hydroinformatics-2002, Cardiff, UK, June , 2002
    
    
17. The modelling system for simulation of the oil spills in the Black Sea - I. Brovchenko, A. Kuschan, V. Maderich, M. Zheleznyak - Abstracts Book of the 3rd EuroGOOS Conference (Athens 3-6 December 2002).
    
    
18. On the dynamical uptake model developed for the uptake of radionuclides in marine organisms for the Poseidon-R model system. Heling R., Koziy L., Bulgakov V. In ECORAD-2001.
    
    
19. SUSTOX - A Numerical Simulator for Fluid and Species Transport in the Subsurface. - S.Kivva, - RODOS Report RODOS(WG4)-TN(99)06 ,Forschungszentrum Karlsruhe. , 2000
    
    
20. GROWTOX - A Numerical Simulator for Shallow Groundwater Flow and Species Transport in the Subsurface. - S.Kivva, - RODOS Report RODOS(WG4)-TN(99)07, Forschungszentrum Karlsruhe. , 2000
    
    
21. Numerical simulation of the dense gas plume effects on the atmospheric boundary layer structure. I. Kovalets, V. Maderich Proc. of Int. Conf. "Organized Vortical Motion As a Basis for Boundary Layer Control ", Kiev,2000. -p.32
    
    
22. Implementation in Ukraine of the RODOS System for Off-Site Emergency Preparedness and Response. - W.Lins. M.Zheleznyak (Eds,) Chapters from the Report on Tacis project TA REG 02/3, Kiev, June , 2002
    
    
23. Kovalets, I.V., Efthimiou, G.C., Andronopoulos, S., Venetsanos, A.G., Argyropoulos, C.D., Kakosimos, K.E. (2018) Inverse identification of unknown finite-duration air pollutant release from a point source in urban environment // Atmospheric Environment, 181, pp. 82-96, DOI: 10.1016/j.atmosenv.2018.03.028
    
    
24. Kovalets, I., Avila, R., M?lder, M., Kovalets, S., Lindroth, A. (2018) Verification of a One-Dimensional Model of CO2 Atmospheric Transport Inside and Above a Forest Canopy Using Observations at the Norunda Research Station //Boundary-Layer Meteorology, pp. 1-24, DOI: 10.1007/s10546-018-0340-z
    
    
25. Kovalets, I.V., Asker, C., Khalchenkov, A.V., Persson, C., Lavrova, T.V. (2017) Atmospheric dispersion of radon around uranium mill tailings of the former Pridneprovsky Chemical Plant in Ukraine //Journal of Environmental Radioactivity, 172, pp. 173-190. DOI: 10.1016/j.jenvrad.2017.03.025
    
    
26. Kantarzhi, I., Zheleznyak, M., Sorokin, M. (2017) Verification of model waves in the port area with laboratory measurements //13th International MEDCOAST Congress on Coastal and Marine Sciences, Engineering, Management and Conservation, MEDCOAST 2017, 2, pp. 967-977.
    
    
27. Schneider, T., Gering, F., Charron, S., Zhelezniak, M., Andronopoulos, S., Heriard-Dubreuil, G., Camps, J., Raskob, W. (2017) Nuclear and radiological preparedness: The achievements of the European research project prepare //Radiation Protection Dosimetry, 173 (1), pp. 151-156. DOI: 10.1093/rpd/ncw318
    
    
28. Perianez, R., Bezhenar, R., Brovchenko, I., Duffa, C., Iosjpe, M., Jung, K.T., Kobayashi, T., Lamego, F., Maderich, V., Min, B.I., Nies, H., Osvath, I., Outola, I., Psaltaki, M., Suh, K.S., de With, G. (2016) Modelling of marine radionuclide dispersion in IAEA MODARIA program: Lessons learnt from the Baltic Sea and Fukushima scenarios//Science of the Total Environment, 569-570, pp. 594-602. DOI: 10.1016/j.scitotenv.2016.06.131
    
    
29. Kantarzhi, I.G., Maderich, V.S., Koshebutskii, V.I. (2016) Determination of Ice Characteristics for Marine Hydroengineering Structures //Power Technology and Engineering, 49 (5), pp. 345-353. DOI: 10.1007/s10749-016-0626-6
    
    
30. Landman, C., Raskob, W., Trybushnyi, D., Ievdin, I. (2016) An application example for the new ICRP screening tool of JRodos //Radioprotection, 51 (HS1), pp. S17-S22. DOI: 10.1051/radiopro/2016005
    
    
31. Landman, C., Raskob, W., Trybushnyi, D., Ievdin, I. (2016) Creating and running worldwide accident scenarios with JRodos //Radioprotection, 51 (HS1), pp. S27-S30. DOI: 10.1051/radiopro/2016007
    
    
32. Kantarzhi, I., Kivva, S., Shunko, N. (2016) Numerical study of wave run-up at permeable fixed revetment slope //Proceedings of the Coastal Engineering Conference, 35.
    
    
33. Charnock, T., Landman, C., Trybushnyi, D., Ievdin, I. (2016) European model for inhabited areas - ERMIN 2 //Radioprotection, 51 (HS1), pp. S23-S25. DOI: 10.1051/radiopro/2016006
    
    
34. Maderich, V., Brovchenko, I., Dvorzhak, A., Ievdin, I., Koshebutsky, V., Peri??ez, R. (2016)Integration of 3D model THREETOX in JRODOS, implementation studies and modelling of Fukushima scenarios //Radioprotection, 51 (HS2), pp. S133-S135. DOI: 10.1051/radiopro/2016049
    
    
35. Bezhenar, R., Heling, R., Ievdin, I., Iosjpe, M., Maderich, V., Willemsen, S., De With, G., Dvorzhak, A. (2016)Integration of marine food chain model POSEIDON in JRODOS and testing versus Fukushima data //Radioprotection, 51 (HS2), pp. S137-S139. DOI: 10.1051/radiopro/2016050
    
    
36. Nanba, K., Zheleznyak, M., Kivva, S., Konoplev, A., Maderich, V., Koshebutsky, V., Gallego, E., Papush, L., Mikhalskyi, O. (2016)Implementation of Hydrological Dispersion Module of JRODOS for the assessment of 137Cs transport and fate in rivers, reservoirs and ponds of the Fukushima Prefecture //Radioprotection, 51 (HS2), pp. S145-S148. DOI: 10.1051/radiopro/2016052
    
    
37. Zheleznyak, M., Kivva, S., Ievdin, I., Boyko, O., Kolomiets, P., Sorokin, M., Mikhalskyi, O., Gheorghiu, D. (2016)Hydrological dispersion module of JRODOS: Renewed chain of the emergency response models of radionuclide dispersion through watersheds and rivers //Radioprotection, 51 (HS2), pp. S129-S131. DOI: 10.1051/radiopro/2016048
    
    
38. Perianez, R., Bezhenar, R., Brovchenko, I., Cuffa, C., Iosjpe, M., Jung, K.T., Kobayashi, T., Lamego, F., Maderich, V., Min, B.I., Nies, H., Osvath, I., Outola, I., Psaltaki, M., Suh, K.S., De With, G. (2016) A comparison of radionuclide dispersion model performances for the Baltic Sea and Fukushima releases in the Pacific Ocean //Radioprotection, 51 (HS2), pp. S149-S151. DOI: 10.1051/radiopro/2016053
    
    
39. Raskob, W., Schneider, T., Gering, F., Charron, S., Zheleznyak, M., Andronopoulos, S., Heriard-Dubreuil, G., Camps, J. (2016) Innovative integrative tools and platforms. Key results of the PREPARE European Project //Radioprotection, 51 (HS2), pp. S59-S61. DOI: 10.1051/radiopro/2016032
    
    
40. Kovalets, I.V., Kivva, S.L., Udovenko, O.I. (2015) Usage of the WRF/DHSVM model chain for simulation of extreme floods in mountainous areas: a pilot study for the Uzh River Basin in the Ukrainian Carpathians //Natural Hazards, 75 (2), pp. 2049-2063. DOI: 10.1007/s11069-014-1412-0
    
    
41. Kantarzhi, I., Maderich, V., Sharova, V. (2015) Water exchange aspects for new seaport in Gelendjik Bay (Black Sea) //12th International Conference on the Mediterranean Coastal Environment, MEDCOAST 2015, 2, pp. 657-667.
    
    
42. Perianez, R., Bezhenar, R., Iosjpe, M., Maderich, V., Nies, H., Osvath, I., Outola, I., de With, G. (2015)A comparison of marine radionuclide dispersion models for the Baltic Sea in the frame of IAEA MODARIA program //Journal of Environmental Radioactivity, 139, pp. 66-77. DOI: 10.1016/j.jenvrad.2014.09.013
    
    
43. Maderich, V., Jung, K.T., Bezhenar, R., de With, G., Qiao, F., Casacuberta, N., Masque, P., Kim, Y.H. (2014) Dispersion and fate of 90Sr in the Northwestern Pacific and adjacent seas: Global fallout and the Fukushima Dai-ichi accident //Science of the Total Environment, 494-495, pp. 261-271. DOI: 10.1016/j.scitotenv.2014.06.136
    
    
44. Kovalets, I.V., Robertson, L., Persson, C., Didkivska, S.N., Ievdin, I.A., Trybushnyi, D. (2014) Calculation of the far range atmospheric transport of radionuclides after the Fukushima accident with the atmospheric dispersion model MATCH of the JRODOS system //International Journal of Environment and Pollution, 54 (2-4), pp. 101-109. DOI: 10.1504/IJEP.2014.065110
    
    
45. Kovalets, I.V., Korolevych, V.Y., Khalchenkov, A.V., Ievdin, I.A., Zheleznyak, M.J., Andronopoulos, S. (2013) Influence of the diagnostic wind field model on the results of calculation of the microscale atmospheric dispersion in moderately complex terrain //Atmospheric Environment, 79, pp. 29-35. DOI: 10.1016/j.atmosenv.2013.06.015
    
    
46. Kantardgi, I.G., Maderich, V.S. (2013) Water quality protection in the coastal artificial water areas //Magazine of Civil Engineering, 37 (2), pp. 75-80+125-126. DOI: 10.5862/MCE.37.11
    
    
47. Kovalets, I., Kchalchenkov, A., Lavrova, T. (2013) H15-5: Modelling of the atmospheric dispersion of radionuclides from the uranium processing facilities of the former pridneprovsky chemical plant in Ukraine //Proceedings of the 15th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes, HARMO 2013, pp. 618-622.
    
    
48. Kantardgi, I., Maderich, V., Terletskaya, E., Brovchenko, I., Prokhoda-Shumskikh, L. (2013) Water quality protection: Grand-Marina, Sochi //Proceedings of the 10th Global Congress on ICM: Lessons Learned to Address New Challenges, EMECS 2013 - MEDCOAST 2013 Joint Conference, 2, pp. 989-1000.
    
    
49. Kovalets, I.V., Didkivska, S.N., Ievdin, I.A., Trybushnyi, D., Zheleznyak, M. (2013) H15-4: Calculation of the far range atmospheric transport of radionuclides after the Fukushima accident with the atmospheric dispersion model match of the nuclear emergency response system JRODOS using the freely available NWP data //Proceedings of the 15th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes, HARMO 2013, pp. 212-216.
    
    
50. Ievdin, I.O., Khalchenkov, O.V., Kovalets, I.V., Raskob, W., Trybushnyi, D.M., Zheleznyak, M.I. (2012) Application of Decision Support system JRODOS for assessments of atmospheric dispersion and deposition from Fukushima Daiichi Nuclear Power Plant accident //International Journal of Energy for a Clean Environment, 13 (1-4), pp. 1-12. DOI: 10.1615/InterJEnerCleanEnv.2013006224
    
    
51. Heling, R., Bezhenar, R. (2011) The validation of the dynamic food chain model BURN-POSEIDON on Cs-137 and Sr-90 data of the Dnieper-Bug estuary, Ukraine //Radioprotection, 46 (6 SUPPL.), pp. S561-S566. DOI: 10.1051/radiopro/20116918s
    
    
52. Raskob, W., Trybushnyi, D., Ievdin, I., Zheleznyak, M. (2011) JRODOS: Platform for improved long term countermeasures modelling and management //Radioprotection, 46 (6 SUPPL.), pp. S731-S736. DOI: 10.1051/radiopro/20116865s
    
    
53. Ievdin, I., Trybushnyi, D., Zheleznyak, M., Raskob, W. (2010) RODOS re-engineering: Aims and implementation details //Radioprotection, 45 (5), pp. S181-S189.DOI: 10.1051/radiopro/2010024
    
    
54. Zheleznyak, M., Potempski, S., Bezhenar, R., Boyko, A., Ievdin, I., Kadlubowski, A., Trybushnyi, D. (2010) Hydrological dispersion module of JRODOS: Development and pilot implementation - The Vistula river Basin //Radioprotection, 45 (5), pp. S113-S122. DOI: 10.1051/radiopro/2010044
    
    
55. Heling, R., Bezhenar, R. (2009)Modification of the dynamic radionuclide uptake model BURN by salinity driven transfer parameters for the marine foodweb and its integration in POSEIDON-R //Radioprotection, 44 (5), pp. 741-746. DOI: 10.1051/radiopro/20095135
    
    
56. Brovchenko, I., Maderich, V. (2009) Modelling of the navigation channel impacts on coastal zone of the danube Delta //Proceedings of the 9th International Conference on the Mediterranean Coastal Environment, MEDCOAST 2009, 2, pp. 899-906.
    
    
57. Maderich, V., Fenical, S., Brovchenko, I., Terletska, K., Shepsis, V. (2009) 3D modelling system of bottom and bank erosion //Proceedings of the 9th International Conference on the Mediterranean Coastal Environment, MEDCOAST 2009, 2, pp. 887-898.
    
    
58. Kolomiets, P., Fenical, S., Shepsis, V., Zheleznyak, M. (2009) Vessel wakes in coastal areas, numerical modelling and impact analysis //Proceedings of the 9th International Conference on the Mediterranean Coastal Environment, MEDCOAST 2009, 2, pp. 919-930.
    
    
59. Kivva, S., Zheleznyak, M. (2008) Modelling of the risks of the Sidoarjo mud flow, Indonesia //Proc. iEMSs 4th Biennial Meeting - Int. Congress on Environmental Modelling and Software: Integrating Sciences and Information Technology for Environmental Assessment and Decision Making, iEMSs 2008, 3, pp. 1500-1507.
    
    
60. Maderich, V., Heling, R., Bezhenar, R., Brovchenko, I., Jenner, H., Koshebutskyy, V., Kuschan, A., Terletska, K. (2008) Development and application of 3D numerical model THREETOX to the prediction of cooling water transport and mixing in the inland and coastal waters //Hydrological Processes, 22 (7), pp. 1000-1013. DOI: 10.1002/hyp.6985
    
    
61. Fenical, S., Kolomiets, P., Kivva, S., Zheleznyak, M. (2007) Numerical modeling of passing vessel impacts on berthed vessels and shoreline //Proceedings of the Coastal Engineering Conference, pp. 1234-1246.
    
    
62. Maderich, V., Kanarska, Y., Fenical, S., Brovchenko, I., Terletska, K., Tirindelli, M. (2007) 3D non-hydrostatic modeling of bottom and bank stability subjected by ship propeller jets //Proceedings of the Coastal Engineering Conference, pp. 1222-1233.
    
    
63. Onishi, Y., Kivva, S.L., Zheleznyak, M.J., Voitsekhovich, O.V. (2007) Aquatic assessment of the chernobyl nuclear accident and its remediation //Journal of Environmental Engineering, 133 (11), pp. 1015-1023. DOI: 10.1061/(ASCE)0733-9372(2007)133:11(1015)
    
    
64. Brovchenko, I., Kanarska, J., Maderich, V., Terletska, K. (2007) 3D non-hydrostatic modelling of bottom stability under impact of the turbulent ship propeller jet //Acta Geophysica, 55 (1), pp. 47-55. DOI: 10.2478/s11600-006-0037-4
    
    
65. Maderich, V., Brovchenko, I. (2005) Oil dispersion by breaking waves and currents //Sea Technology, 46 (4), pp. 17-21.
    
    
66. Brovchenko, I., Kuschan, A., Maderich, V., Shliakhtun, M., Yuschenko, S., Zheleznyak, M. (2003) The modelling system for simulation of the oil spills in the Black Sea //Elsevier Oceanography Series, 69 (C), pp. 586-591. DOI: 10.1016/S0422-9894(03)80095-8
    
    
67. Kovalets I.V., Maistrenko S.Ya., Khalchenkov O.V., Polonsky O.O., Dontsov-Zagreba T.O., Khurtsilava K.V., and Udovenko O.I. (2021) Adaptation of the Web-Service of Air Pollution Forecasting for Operation within Cloud Computing Platform of the Ukrainian National Grid Infrastructure. Science and Innovation 17(1) 90—100, doi: 10.15407/scin17.01.090
    
    
68. Kovalets, I., Romanenko, O. (2021)Use of nuclear emergency response system for assessment of transboundary transfer and radiological risks of the potential accidental releases at khmelnitsky NPP // Advances in Intelligent Systems and Computing, 1265 AISC, pp. 3-12. DOI: 10.1007/978-3-030-58124-4_1
    
    
69. Kovalets, I.V., Romanenko, O., Synkevych, R. (2020) Adaptation of the RODOS system for analysis of possible sources of Ru-106 detected in 2017// Journal of Environmental Radioactivity, 220-221, DOI: 10.1016/j.jenvrad.2020.106302