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Jian Li, Shanxiong Chen and Lingfa Jiang

Subgrade Soils due to Repeated Loading, Transportation Research Record, 1975(537): 1-17. 10. Stewart H E: Permanent Strain From Cyclic Variable- Amplitude Loadings, Journal Geotechnical Engineering, ASCE, 1986,112(6): 646-660. 11. Cai Ying, Cao Xinwen: Study of the Critical Dynamic Stress and Permanent Strain of the Subgrade-Soil under the Repeated Load, Journal of Southwest Jiaotong University, 1996, 31(1): 1-5. 12. XIE Dingyi: Soil Dynamics, Xi’an: Xi’an Jiaotong University, 1986. 13. Seed H B, Chan C K

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Mi Zhou, Wancheng Yuan and Yue Zhang

Displacement of Bilinear Oscillators’, Earthquake Engineering & Structural Dynamics, 1997, 26, 701-716. 5. Priestley M.J.N. : ‘Brief Comments on Elastic Flexibility of Reinforced Concrete Frames and Significance to Seismic Design’, Bulletin of the New Zealand National Society for Earthquake Engineering, 1998,31:246-259 6. R. Giannini, F. Paolacci and E. Sibilio: ‘Experimental study on the cyclic response of an existing RC bridge pier’, Proceedings of the 14th world conference on earthquake engineering, China, September 2008, Beijing

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Lech Bałachowski

-induced pounding between structural elements made of different building materials. Earthquake Engineering & Structural Dynamics, 2010, Vol. 39, Issue 3, pp. 343-354, DOI: 10.1002/eqe.941 7. Kozaczka E., Grelowska G., Kozaczka S.: Images of the Seabed of the Gulf of Gdansk Obtained by Means of the Parametric Sonar. Acta Physica Polonica A., 2010,Vol. 118, No.1, pp. 91-94 8. Grelowska G., Kozaczka E.: Sounding of Layered Marine Bottom - Model Investigations. Acta Physica Polonica A., 2010,Vol. 118, No.1, pp. 66-70. 9. Grelowska G

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Piotr Srokosz, Ireneusz Dyka and Marcin Bujko

BIBLIOGRAPHY 1. [A rany L., B hattacharya S., M acdonald J., H ogan S.J. (2017), Design of monopiles for offshore wind turbines in 10 steps , Soil Dynamics and Earthquake Engineering, pp. 126–152. 2. B ałachowski L. (2017). Physical modelling of geotechnical structures in ports and offshore . Polish Maritime Research Special Issue S1, 24(93), pp. 4–9. 3. B enz T. (2007). Small strain stiffness of soils and its numerical consequences (PhD dissertation), Universitat Stuttgart, Germany. 4. C hen X-L., J in X., T ao X-X. (2008

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Dariusz Mikielewicz and Jan Wajs

Research, 2015, Vol.22, No.3, pp.57-66. 4. Ambroziak A., Kłosowski P.: Mechanical properties for preliminary design of structures made from PVC coated fabric. Construction and Building Materials, 2014, Vol.50, pp.74-81. 5. Ambroziak A., Kłosowski P.: Mechanical properties of polyvinyl chloride-coated fabric under cyclic tests. Journal of Reinforced Plastics and Composites, 2014, Vol.33, No.3, pp.225-234. 6. Sabik A., Kreja I.: Large thermo-elastic displacement and stability FEM analysis of multilayered plates and shells

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Wenjuan Li, Wei Liu, Xu Xu and Zhijun Gao

.2016.06.018 16. Wei Wang. Based on Lotka-Volterra Model of Chengdu Multi-Airport System. Logistics Engineering and Management. 2015, 0(9): 177-179. DOI:10.3969/j. issn.1674-4993.2015.09.069. 17. Ruifrok J L, Janzen T, Kuijper D P, et al. Cyclical succession in grazed ecosystems: the importance of interactions between different-sized herbivores and different-sized predators. Theoretical Population Biology, 2015, in press: 31-39. DOI: 10.1016/j.tpb.2015.02.001 18. Iansiti M and Levien R. The Keystone Advantage: What the

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Bernard Okoński, Antoni Miler and Monika Panfil

The dynamics of climate elements and land drainage impact on hydrologic conditions in a lakeland blind drainage area

The assessment of climate dynamics and the impact of land drainage systems on lakeland blind drainage area was the problem studied in the paper. The research area was located based on relative stability of non-climatic physiographic characteristics and water management practices over a longer time-scale. Thus, the influence of non-climatic factors on water storage could be omitted. The study site was situated in Warmia region in the Dopływ spod Nowej Wsi catchment (27.53 km2). One of local seepage ponds called Bagna Ramuckie within the aforementioned catchment was investigated. The study covered the time period since the first half of the 19th century to the year 2005.

The decisive factors affecting processes of increase and decrease of pond water surface area in considered spatial units were the trends of air temperature over the long time scale. It was indicated that natural enlargement of water surface area in the pond occurred after 40-years long period of air temperature decrease and the decline followed 20-year-long period of air temperature rise. Precipitation did not show any trends for long periods but typical cyclic changes of precipitation over a short time-scale. These pluvial cycles stimulated or destimulated processes of water surface changes additionally over short periods. The first episode of water surface decrease in the seepage pond occurred when air temperature rise trend coincided with intensive land drainage and changes in some land management patterns (the 2nd half of the 19th century). Nevertheless, during the 20th century water management practices were rather stable and did not have any impact on rise or decline of seepage pond water surface area.

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Tetiana Bauzha and Liudmyla Gorbachova

References Andreyanov, V.G. (1959), Cyclical fluctuations of annual runoff and their account at hydrological calculations, Proceed. of Stat. Hydr. Inst., 68, 3-49. [In Russian]. Arnell, N.W. (1992), Factors controlling the effects of climate change on river flow regimes in a humid temperate environment, J. Hydrol., 132, 321-342, DOI: 10.1016/0022-1694(92)90184-W. Arnell, N.W. (1998), Climate change an dwater resources in Britain. Cl. Chang., 39 (1), 83-110, DOI: 10.1023/A:100533941256. Daniell, T