Items where Author is "Tych, Wlodek"

Journal Article

Houspanossian, Javier and Giménez, Raul and Whitworth-Hulse, Juan I. and Nosetto, Marcelo D. and Tych, Wlodek and Atkinson, Peter M. and Rufino, Mariana C. and Jobbágy, Esteban G. (2023) Agricultural expansion raises groundwater and increases flooding in the South American plains. Science, 380 (6652). pp. 1344-1348. ISSN 0036-8075

Sene, Kevin and Houghton Carr, Helen and Tych, Wlodek (2021) Reflections on almost a century of hydrological studies on Africa's largest lake. Proceedings of the International Association of Hydrological Sciences, 384. pp. 141-147. ISSN 2199-899X

Sene, Kevin and Tych, Wlodek (2021) Seasonal flow forecasting in Africa : exploratory studies for large lakes. Proceedings of the International Association of Hydrological Sciences, 384. pp. 289-293. ISSN 2199-899X

Stenfert Kroese, Jaqueline and Jacobs, Suzanne R. and Tych, Wlodek and Breuer, Lutz and Quinton, John N. and Rufino, Mariana C. (2020) Tropical montane forest conversion is a critical driver for sediment supply in East African catchments. Water Resources Research, 56 (10): e2020WR027. pp. 1-20. ISSN 0043-1397

Magliano, Patricio N. and Mindham, David and Tych, Wlodek and Murray, Francisco and Nosetto, Marcelo D. and Jobbágy, Esteban G. and Niborski, Marcos J. and Rufino, Mariana C. and Chappell, Nick A. (2019) Hydrological functioning of cattle ranching impoundments in the Dry Chaco rangelands of Argentina. Hydrology Research, 50 (6). pp. 1596-1608. ISSN 1998-9563

Mindham, David and Tych, Wlodek (2019) Dynamic harmonic regression and irregular sampling; avoiding pre-processing and minimising modelling assumptions. Environmental Modelling and Software, 121: 104503. ISSN 1364-8152

Wei, Guozhen and Tych, Wlodek and Beven, Keith and He, Bin and Ning, Fanggui and Zhou, Huicheng (2018) Nierji reservoir flood forecasting based on a Data-Based Mechanistic methodology. Journal of Hydrology, 567. pp. 227-237. ISSN 0022-1694

Ockenden, Mary C. and Tych, Wlodek and Beven, Keith J. and Collins, Adrian L. and Evans, Robert and Falloon, Peter D. and Forber, Kirsty J. and Hiscock, Kevin M. and Hollaway, Michael J. and Kahana, Ron and Macleod, Kit J. A. and Villamizar, Martha L. and Wearing, Catherine and Withers, Paul J. A. and Zhou, Jian G. and McW. H. Benskin, Clare and Burke, Sean and Cooper, Richard J. and Freer, Jim E. and Haygarth, Philip M. (2017) Data-based mechanistic model of catchment phosphorus load improves predictions of storm transfers and annual loads in surface waters. Hydrology and Earth System Sciences Discussions, 21 (12).

Kretzschmar, Ann and Tych, Wlodek and Chappell, Nick and Beven, Keith (2016) Reversing hydrology : quantifying the temporal aggregation effect of catchment rainfall estimation using sub-hourly data. Hydrology Research, 47 (3). pp. 630-645. ISSN 0029-1277

Kabeya, Naoki and Chappell, Nick A and Tych, Wlodek and Shimizu, Akira and Asano, Shiho and Hagino, Hiroaki (2016) Quantification of the effect of forest harvesting versus climate on streamflow cycles and trends in an evergreen broadleaf catchment. Hydrological Sciences Journal, 61 (9). pp. 1716-1727. ISSN 0262-6667

Kretzschmar, Ann and Tych, Wlodek and Chappell, Nick A (2014) Reversing hydrology : estimation of sub-hourly rainfall time-series from streamflow. Environmental Modelling and Software, 60. pp. 290-301. ISSN 1364-8152

Tych, Katarzyna and Wood, Christopher and Tych, Wlodek (2014) A simple transfer-function-based approach for estimating material parameters from terahertz time-domain data. IEEE Photonics Journal, 6 (1): 6800211. ISSN 1943-0655

Jones, Timothy D. and Chappell, Nick A. and Tych, Wlodek (2014) First dynamic model of dissolved organic carbon derived directly from high frequency observations through contiguous storms. Environmental Science and Technology, 48 (22). pp. 13289-13297. ISSN 0013-936X

Ampadu, Boateng and Chappell, Nick and Tych, Wlodek (2013) Data-Based Mechanistic modelling of rainfall to riverflow of large nested tropical rainforest catchments in Ghana. Canadian Journal of Pure and Applied Sciences, 7 (2). pp. 2405-2424. ISSN 1715-9997

Horseman, Andrew and Richardson, Thomas and Boardman, Tracey and Tych, Wlodek and Timmis, Roger and Mackenzie, Rob (2013) Calibrated digital images of Campbell–Stokes recorder card archives for direct solar irradiance studies. Atmospheric Measurement Techniques, 6 (5). pp. 1371-1379. ISSN 1867-1381

Ampadu, Boateng and Chappell, Nick and Tych, Wlodek (2013) Rainfall-riverflow modelling approaches: making a choice of data-based mechanistic modelling approach for data limited catchments: a review. Canadian Journal of Pure and Applied Sciences, 7 (3). pp. 2571-2580. ISSN 1715-9997

Venier, Marta and Hung, Hayley and Tych, Wlodek and Hites, ROnald (2012) Temporal trends of persistent organic pollutants: a comparison of different time series models. Environmental Science and Technology, 46 (7). pp. 3928-3934. ISSN 0013-936X

Chappell, Nick A. and Tych, Wlodek (2012) Identifying step changes in single streamflow and evaporation records due to forest cover change. Hydrological Processes, 26 (1). pp. 100-116. ISSN 0885-6087

Smith, Paul J. and Hughes, Danny and Beven, Keith J. and Cross, Philip and Tych, Wlodek and Blair, Gordon and Coulson, Geoffrey (2009) Towards the provision of site specific flood warnings using wireless sensor networks. Meteorological Applications, 16 (1). pp. 57-64. ISSN 1350-4827

Becker, S. and Halsall, Crispin J. and Tych, Wlodek and Kallenborn, R. and Schlabach, M. and Manø, S. (2009) Changing sources and environmental factors reduce the rates of decline of organochlorine pesticides in the Arctic Atmosphere. Atmospheric Chemistry and Physics Discussions, 9 (1). pp. 515-540. ISSN 1680-7367

Chappell, Nick A. and Discenza, A. R. and Tych, Wlodek and Whittaker, J. and Bidin, K. (2009) Simulating hourly rainfall occurrence within an equatorial rainforest, Borneo Island. Hydrological Sciences Journal, 54 (3). pp. 571-581. ISSN 0262-6667

Sochaczewski, Łukasz and Davison, William and Zhang, Hao and Tych, Wlodek (2009) Understanding small-scale features in DGT measurements in sediments. Environmental Chemistry, 6 (6). pp. 477-485. ISSN 1448-2517

Becker, Sara and Halsall, Crispin J. and Tych, Wlodek and Kallenborn, R. and Su, Y. and Hung, H. (2008) Long-term trends in a- and g-HCH in the arctic atmosphere: the effect of legislation and climate fluctuations on atmospheric concentrations. Atmospheric Environment, 42 (35). pp. 8225-8233. ISSN 1352-2310

Sochaczewski, Łukasz and Stockdale, Anthony and Davison, William and Tych, Wlodek and Zhang, Hao (2008) A three-dimensional reactive transport model for sediments, incorporating microniches. Environmental Chemistry, 5 (3). pp. 218-225. ISSN 1448-2517

Chappell, Nick A. and Tych, Wlodek and Bonell, Mike (2007) Development of the forSIM model to quantify positive and negative hydrological impacts of tropical reforestation. Forest Ecology and Management, 251 (1-2). pp. 52-64. ISSN 0378-1127

Taylor, C. James and Pedregal, Diego J. and Young, Peter C. and Tych, Wlodek (2007) Environmental Time Series Analysis and Forecasting with the Captain Toolbox. Environmental Modelling and Software, 22 (6). pp. 797-814. ISSN 1364-8152

Sochaczewski, Łukasz and Tych, Wlodek and Davison, Bill and Zhang, Hao (2007) 2D DGT induced fluxes in sediments and soils (2D DIFS). Environmental Modelling and Software, 22 (1). pp. 14-23. ISSN 1364-8152

Lehto, Niklas J. and Davison, William and Zhang, Hao and Tych, Wlodek (2006) An evaluation of DGT performance using a dynamic numerical model. Environmental Science and Technology, 40 (20). pp. 6368-6376. ISSN 0013-936X

Lehto, Niklas J. and Davison, William and Zhang, Hao and Tych, Wlodek (2006) Theoretical comparison of how soil processes affect uptake of metals by diffusive gradients in thinfilms and plants. Journal of Environmental Quality, 35 (5). pp. 1903-1913. ISSN 0047-2425

Becker, Sara and Halsall, Crispin J. and Tych, Wlodek and Hung, Hayley and Attewell, Susie and Blanchard, Pierrette and Li, Henrik and Fellin, Phil and Stern, Gary and Billeck, Brian and Friesen, Sheri (2006) Resolving the long-term trend of PAHs in the Canadian Arctic atmosphere. Environmental Science and Technology, 40 (10). pp. 3217-3222. ISSN 0013-936X

Lehto, Niklas J. and Davison, William and Zhang, Hao and Tych, Wlodek (2006) Analysis of Micro-Nutrient Behaviour in the Rhizosphere using a DGT Parameterised Dynamic Plant Uptake Model. Plant and Soil, 282 (1-2). pp. 227-238. ISSN 0032-079X

Chappell, Nick A. and Bidin, Kawi and Chotai, Arun and Tych, Wlodek (2006) BARUMODEL: Combined Data Based Mechanistic models of runoff response in a managed rainforest catchment. Forest Ecology and Management. Forest Ecology and Management, 224 (1-2). pp. 58-80. ISSN 0378-1127

Chappell, Nick A. and Douglas, Ian and Hanapi, Jamal Mohd and Tych, Wlodek (2004) Source of suspended-sediment within a tropical catchment recovering from selective logging. Hydrological Processes, 18 (4). pp. 685-701. ISSN 0885-6087

Tych, Wlodek and Pedregal, Diego J. and Young, Peter C. and Davies, John (2002) An unobserved component model for multi-rate forecasting of telephone call demand : the design of a forecasting support system. International Journal of Forecasting, 18 (4). pp. 673-695.

Chappell, Nick A. and Tych, Wlodek (2002) Climate cycle and land-use change sensitivity of tropical hydrological systems : a precursor to GCM land-use change simulations. UGAMP Newsletter, 25. p. 11.

Chappell, Nick A. and Bidin, Kawi and Tych, Wlodek (2001) Modelling rainfall and canopy controls on net-precipitation beneath selectively-logged tropical forest. Plant Ecology, 153 (1-2). pp. 215-229. ISSN 1385-0237

Chappell, Nicholas A. and Tych, Wlodek and Douglas, I. (2001) Intra-catchment dynamics of water and sediment. Transactions of the Japanese Geomorphological Union, 22 (4). C38.

Harper, Michael P. and Davison, William and Tych, Wlodek (2000) DIFS - a modelling and simulation tool for DGT induced trace metal remobilisation in sediments and soils. Environmental Modelling and Software, 15 (1). pp. 55-66. ISSN 1364-8152

Harper, Michael P. and Davison, William and Tych, Wlodek (1999) Estimation of pore water concentrations from DGT profiles : a modelling approach. Aquatic Geochemistry, 5 (4). pp. 337-355. ISSN 1380-6165

Young, Peter C. and Pedregal, D. and Tych, Wlodek (1999) Dynamic harmonic regression. Journal of Forecasting, 18 (6). pp. 369-394. ISSN 0277-6693

Harper, Michael P. and Davison, William and Tych, Wlodek (1999) One-dimensional views of three-dimensional sediments. Environmental Science and Technology, 33 (15). pp. 2611-2616. ISSN 0013-936X

Olsen, P. A. and Binley, Andrew M. and Henry-Poulter, S. and Tych, Wlodek (1999) Characterising solute transport in undisturbed soil cores using electrical and x-ray tomographic methods. Hydrological Processes, 13 (2). pp. 211-221. ISSN 0885-6087

Pinkerton, Harry and Tych, Wlodek and Kent, R. and Calvari, S. (1999) Simulation of lava tube growth using stochastic cellular automata models. Geophysical Research Abstracts, 1 (4). p. 861. ISSN 1607-7962

Harper, Michael and Davison, William and Zhang, Hao and Tych, Wlodek (1998) Kinetics of metal exchange between solids and solutions in sediments and soils interpreted from DGT measured fluxes. Geochimica et Cosmochimica Acta, 62 (16). pp. 2757-2770. ISSN 0016-7037

Young, Peter C. and Chotai, Arun and McKenna, Paul and Tych, Wlodek (1998) Proportional-integral-plus (PIP) design for delta (d ) operator systems : part 1, SISO systems. International Journal of Control, 70 (1). pp. 123-147. ISSN 0020-7179

Chotai, Arun and Young, Peter C. and McKenna, Paul and Tych, Wlodek (1998) Proportional-integral-plus (PIP) design for delta (d ) operator systems: part 2, MIMO systems. International Journal of Control, 70 (1). pp. 149-168. ISSN 0020-7179

Harper, Michael P. and Davison, William and Tych, Wlodek (1997) Temporal, spatial, and resolution constraints for in situ sampling devices using diffusion equilibration : dialysis and DET. Environmental Science and Technology, 31 (11). pp. 3110-3119. ISSN 0013-936X

Hamilton-Taylor, John and Guisti, L. and Davison, William and Tych, Wlodek and Hewitt, CN (1997) Sorption of trace metasl (Cu, Pb, Zn) by suspended lake particles in artificial (0.05 M NaNO3) and natural (Esthwaite Water) freshwaters. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 120 (1-3). pp. 205-219. ISSN 0927-7757

Young, Peter C. and Tych, Wlodek (1996) Operational control of water systems : structures, algorithms and applications by M. A. Brdys and B. Ulanicki. Automatica, 32 (11). pp. 1619-1620. ISSN 0005-1098

Lees, M. J. and Taylor, J. and Chotai, A. and Young, P. C. and Chalabi, Z. S. and Tych, Wlodek (1996) Design and implementation of a proportional-integral-plus (PIP) control system for temperature, humidity and carbon dioxide in a glasshouse. Acta Horticulturae (ISHS), 406. pp. 115-124.

Tych, Wlodek and Young, Peter C. and Chotai, Arun (1992) True digital CACSD package in Matlab/Simulab environment. IEE Colloquium Digest on Computer Aided Control Systems Design, Algorithms, Packages and Environments, 1992 (4). 3/1-3/9.

Pacut, Andrzej and Tych, Wlodek (1982) Mathematical modelling of the reaction latency. Part III : a model of avoidance reaction latency and avoidance learning. Acta Neurobiologiae Experimentalis, 42 (4-5). pp. 397-420. ISSN 0065-1400

Contribution in Book/Report/Proceedings

Taylor, C. James and Chotai, Arun and Tych, Wlodek (2013) Linear and nonlinear non-minimal state space control system design. In: System Identification, Environmental Modelling, and Control System Design :. Springer Verlag London Ltd, pp. 559-581. ISBN 0857299735

Chappell, Nick A. and Tych, Wlodek and Shearman, Phil and Lokes, Barbara and Chitoa, John (2011) River sediment monitoring for baseline and change characterisation : a new management tool for the Ramu River Communities in Papua New Guinea. In: Sediment Problems and Sediment Management in Asian River Basins :. IAHS Red Book Series, IAHS P . IAHS Press, Wallingford, pp. 92-102. ISBN 978-1-907161-24-7

Solera Garcia, Maria Angeles and Chappell, Nick and Tych, Wlodek (2006) Identification of the distribution of hydro-climatic cycles of field observations in Southeast Asia. In: Climate variability and change : hydrological impacts. IAHS Red Book Series . IAHS Publications, Wallingford, pp. 356-361. ISBN 9781901502787

Tych, Wlodek and Fildes, R. A. and Hibon, M. (2006) Forecasting method selection : advantages and limitations. In: Proceedings in the International Symposium on Forecasting :. UNSPECIFIED.

Solera-Garcia, M. and Chappell, Nick A. and Tych, Wlodek (2006) Identification of the distribution of hydroclimatic cycles of field observations in Southeast Asia. In: Climate variability and change : hydrological impacts :. IAHS publication (308). International Association of Hydrological Sciences, Wallingford, pp. 356-361. ISBN 9781901502787

Taylor, C. James and Sidiropoulou, Eleni and Shaban, E. M. and Tych, Wlodek and Chotai, Arun (2006) Linear, nonlinear and classical control of a 1/5th scale automated excavator. In: Proceedings of the 18th international conference on systems engineering (ICSE-06). :. UNSPECIFIED.

Chappell, Nick A. and Tych, Wlodek and Chotai, Arun and Bidin, Kawi and Sinun, Waidi and Thang, Hooi Chiew (2004) New approach to modelling water paths in managed rainforests. In: Forests and water in warm, humid Asia (Proceedings of a IUFRO Forest Hydrology Workshop, 10-12 July 2004, Kota Kinabalu, Malaysia, Disaster Prevention Research Institute) :. Disaster Prevention Research Institute, Uiji, Japan, pp. 256-259. ISBN 499021420X

Chappell, Nick A. and Tych, Wlodek (2004) Spatially-significant effects of selective tropical forestry on water, nutrient and sediment flows: a modelling-supported review. In: Forests, water and people in the humid Tropics : past, present, and future hydrological research for intergrated land and water management :. International hydrology . Cambridge University Press, Cambridge, pp. 513-532. ISBN 0521829534

Chappell, Nick A. and Bidin, Kawi and Tych, Wlodek (2001) Modelling rainfall and canopy controls on net-precipitation beneath selectively-logged tropical forest. In: Tropical forest canopies : ecology and management :. Kluwer Academic Publishers, Dordrecht. ISBN 079237049X

Young, Peter C. and Chotai, Arun and Tych, Wlodek (1993) Identification, estimation and true digital control of glasshouse systems. In: The computerized greenhouse : automatic control application in plant production :. Academic Press, pp. 3-50.

Young, Peter C. and Chotai, Arun and Tych, Wlodek (1991) Adaptive true digital control (TDC) of continuous-time systems using -operator models. In: Identification and system parameter estimation :. Pergamon Press, Oxford, pp. 1166-1173.

Young, Peter C. and Chotai, Arun and Tych, Wlodek (1991) Identification, estimation and control of continuous-time systems described by delta operator models. In: Identification of continuous time systems :. Kluwer Academic Publishers, Dordrecht, pp. 363-418.

Young, Peter C. and Tych, Wlodek and Chotai, Arun (1991) Identification, estimation and control of glasshouse systems. In: Mathematical and Control Applications in Agriculture and Horticulture :. Pergamon Press, Oxford, pp. 307-316.

Tych, Wlodek and Young, Peter C. and Chotai, Arun (1991) TDC : a computer aided control design package for true digital control. In: Computer aided design in control systems :. Pergamon Press, Oxford, pp. 454-459.

Contribution to Conference

Wallace, Ethan and Chappell, Nick and Tych, Wlodek and Quinton, John and Dyer, Andy and Kidd, Sarah and Dahl, Lev (2019) Quantifying flood mitigation and water-quality benefits provided by pasture interventions within the Leith, Lowther and Petteril catchments. In: Natural Flood Management: Does it work? [British Hydrological Society], 2019-04-24 - 2019-04-24, Lancaster University.

Wynn, Peter and Smith, Andrew and Barker, Philip and Leng, M.J. and Noble, Steve and Tych, Wlodek (2017) Late Holocene climate and environmental change from Asiul cave speleothems: interpretations in light of modern cave monitoring. In: EGU General Assembly 2017, 2017-04-24 - 2017-04-28, Vienna.

Tych, Wlodek and Chappell, Nick A. (2003) New modelling techniques in the analysis of tropical climate data. In: Conference on Monsoon Environments : Agricultural and Hydrological Impacts of Seasonal Variability and Climate Change, 2003-03-24 - 2003-03-28. (Unpublished)

Chappell, Nick A. and Tych, Wlodek (2003) Identification of land-use change impacts on tropical hydrological processes. In: Conference on Monsoon Environments : Agricultural and Hydrological Impacts of Seasonal Variability and Climate Change, 2003-03-24 - 2003-03-28. (Unpublished)

Young, Peter C. and Tych, Wlodek and Pedregal, Diego J. (1998) Stochastic unobserved component models for adaptive signal extraction and forecasting. In: Proceedings of the 1998 8th IEEE Workshop on Neural Networks for Signal Processing VIII, 1998-08-31 - 1998-09-02.

Tych, Wlodek and Young, Peter C. and Pedregal, Diego J. and Davies, J. (1998) A software package for multi-rate unobserved component forecasting of telephone call demand. In: International Symposium on Forecasting, 1998-01-01.

Tych, Wlodek and Young, Peter C. and Chotai, Arun and Jones, L. C. (1996) TDC : computer aided true digital control of multivariable delta operator. In: 13th IFAC World Congress, 1996-01-01.

Tych, Wlodek and Young, Peter C. and Chotai, Arun and Lees, M. J. (1994) Computer aided control system design of PIP controllers for systems described by delta operator and backward shift models. In: 10th International Conference on Systems Engineering (ICSE), 1994-01-01.

Thesis

Wallace, Ethan and Chappell, Nick and Tych, Wlodek and Quinton, John (2022) Quantifying and modelling spatio-temporal flood-mitigation, drought-resilience, and water-quality benefits provided by grassland interventions in the Eden Catchment (North-West England, UK). PhD thesis, Lancaster University.

Mindham, David and Tych, Wlodek and Chappell, Nick (2020) Developing models for the data-based mechanistic approach to systems analysis : Increasing objectivity and reducing assumptions. PhD thesis, Lancaster University.

Kretzschmar, Ann and Tych, Wlodek and Beven, Keith and Chappell, Nick (2017) Utilising Reverse Hydrology to quantify and improve the spatio-temporal information content of catchment rainfall estimates for flood modelling. PhD thesis, Lancaster University.

Other

Young, Peter C. and Taylor, C. James and Tych, Wlodek and Pedregal, D. J. and McKenna, Paul G. (2010) The Captain Toolbox. Lancaster University, Lancaster.