Publications

2021 |2020 |2019 |2018 |2017 |2016 |2015 |2014 |2013 | 2012 | 2011 | 2010 | 2009 | 2008

2021

Rowan De Costa, Tanaka N, Role of hybrid structures on the control of tsunami induced Large Driftwood, Coastal Engineering 163 (2021) 103798.
Torita H., Masaka K., Tanaka N., Iwasaki K., Hasui S., Hayamizu M., Nakata Y., Assessment of thinning on resistance of Pinus thunbergii Parlat. trees to tsunami fluid force in mature coastal forest, J of Environmental management 284 (2021) 111969.
Md Abedur Rahman, Tanaka N, Rashedunnabi A.H.M., Flume experiments on flow analysis and energy reduction through a compound tsunami mitigation system with a seaward embankment and landward vegetation over a mound, Geosciences 2021.

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2020

Pasha GA, Tanaka N, Characteristics of a hydraulic jump formed on upstream vegetation of varying density and thickness, Journal of Earthquake and Tsunami, 2020
Sachika, Tanaka N, Inland forest as a trapping function against tsunami borne large broken or washed out trees, Landscape and Ecological Engineering, (in Press)
Kimiwada Y, Tanaka N, Zaha T, Differences in effectiveness of a hybrid tsunami defense system comprising an embankment, moat, and forest in submerged, emergent, or combined conditions, Ocean Engineering, Vol.208, 15 July 2020.
Arshad A., Tanaka N., Experimental study of scouring downstream of coastal vegetation in an inundating tsunami current, Landscape and Ecological Engineering, 16(4), 273-287, 2020. DOI 10.1007/s11355-020-00420-z
Anjum N., Tanaka N., Investigating the turbulent flow behavior through partially distributed discontinuous rigid vegetation in an open channel, River Research & Applications, 2020
Talpe L.C. Vinodh, Tanaka N., A unified runup formula for solitary waves on a plane beach, Ocean Engineering
Tariq K, Pasha GA, Tanaka N, Ghani U, Ahmed A, Development of ecosystem based flood mitigation approach – Investigations by experiments and numerical simulation, Water and Environment Journal 0 (2020) 1–19.

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2019

Anjum N., Tanaka N., Study on the flow structure around discontinued vertically layered vegetation in an open channel, J. Hydrodynamics, 2019
Rashedunnabi AHM, Tanaka N (2019) Energy reduction of a tsunami current through a hybrid defense system comprising a sea embankment followed by a coastal forest, Geosciences 9(6): 247-273
Anjum N., Tanaka N., Hydrodynamics of longitudinally discontinuous, vertically double layered and partially covered rigid vegetation patches in open channel flow, River Research & Applications, 2019
Anjum N., Tanaka N., Numerical investigation of Velocity distribution of turbulent flow through vertically double layered vegetation, Water Science & Engineering, 2019
Anjum N., Tanaka N., Experimental study on flow analysis and energy loss around discontinued vertically layered vegetation, Environmental Fluid Mechanics, 2019

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2018

Pasha, G.A., Tanaka, N. Yagisawa, J., Achmad, F.N., Tsunami mitigation by combination of coastal vegetation and a backward-facing step, Coastal Engineering Journal, 2018
Thuy, N.B., Nandasena, N.A.K., Dang, V.H., Tanaka, N, Simplified formulae for designing coastal forest against tsunami run-up: one-dimensional approach, Nat Hazards, 2018
Igarashi, Y., Tanaka, N., Effectiveness of a compound defense system of sea embankment and coastal forest against a tsunami, Ocean Engineering 151, 246-256, 2018

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2017

Tanaka N., Onai A., Mitigation of destructive fluid force on buildings due to trapping of floating debris by coastal forest during the Great East Japan tsunami, Landscape Ecol. Eng. 13, 131-144, 2017
Afreen, S., Yagisawa, J., Tanaka, N., Effect of submergence condition and overtopping depth on gully scour dimensions: Observations from the 2011 Great East Japan Tsunami, Journal of Earthquake and Tsunami, Vol. 11, No. 2, 2016
Tanaka, N., Ogino, T., Comparison of reduction of tsunami fluid force and additional force due to impact and accumulating after collision of tsunami-produced driftwood from a coastal forest with houses during the Great East Japan tsunami, Landscape and Ecological Engineering, 2017
Sato N., Dharmarathne W. N. K., Saito T., Sato H., Tanaka N., Kawamoto K., Microcosm experiments on a coconut-fibre biofilm treatment system to evaluate waste water treatment efficiencies, International Journal of GEOMATE, Vol. 12, Issue 33, pp. 160-166, 2017
Sato N., Saito T., Satoh H., Tanaka N., Kawamoto K., Coconut-Fibre Biofilm Wastewater Treatment System in Sri Lanka: Microcosm Experiments for Evaluating Wastewater Treatment Efficiencies and Oxygen Consumption, International Journal of Environmental Science and Development, Vol. 8, No. 10, October 2017
Pasha G.A., Tanaka, N. Undular hydraulic jump formation and energy loss in a flow through emergent vegetation of varying thickness and density，Ocean Engineering 141, 308-325, 2017

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2016

Afreen, S., Yagisawa, J., Tanaka, N., Effect of submergence condition and overtopping depth on gully scour dimensions: Observations from the 2011 Great East Japan Tsunami, Journal of Earthquake and Tsunami, Vol. 11, No. 2, 2016
Amarasekara G. P., Priyadarshana, T., Manatunge, J., Tanaka, N., Gunaratne, G. L., Mud crab (Scylla serrata) population changes in Koggala Lagoon, Sri Lanka since construction of the groyne system, Aquatic Ecosystem Health and Management Society, 2016
Pasha, G.A., Tanaka, N., Effectiveness of finite length inland forest in trapping tsunami-borne wood debris, Journal of Earthquake and Tsunami Vol. 10, No. 2, 2016

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2015

R Rodoriguez, PEncina, M Espinosa, N Tanaka, Field study on planted forest structures and their role in protecting communities against tsunamis: experiences along the coast of the Biobı´o Region, Chile, Landscape Ecological Engineering, 2015
N Tanaka, M Sato, Scoured depth and length of pools and ditches generated by overtopping flow from embankments during the 2011 Great East Japan Tsunami, Ocean Engineering, 72-82, 2015
G. P. Amarasekara, T. Priyadarshana, J. Manatunge, N. Tanaka, and G. L. Gunaratne, Mud Crab (Scylla serrata) population changes in Koggala Lagoon, Sri Lanka since construction of the groyne system, Aquatic Ecosystem Health & Management, 2015
G A Pasha, N Tanaka, Effectiveness of Finite Length Inland Forest in Trapping Tsunami-Borne Wood Debris, Journal of Earthquake and Tsunami, Vol. 10, No. 2, 2015

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2014

E Furusato.,N Tanaka.,Maximum sand sedimentation distance after backwash current oftsunami — Simple inverse model and laboratory experiments, Marine Geology, 128-139, 2014
Trung V L., J Yagisawa., N Tanaka., Efficacy of Rhizophora Apiculata and Nypa Fruticans on Attenuation of Boat-Generated Waves under Steep Slope Condition, Ocean and Water Resources, 1103-1114, 2014

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2013

Samarakoon M.B., Tanaka, N., Yagisawa J., Effects of local scouring and saturation of soil due to flooding on maximum resistive bending moment for overturning Robinia pseudoacacia, Landscape and Ecological Engineering 9:11-25, 2013.
Tanaka N., Yagisawa J., Yasuda S., Breaking pattern and critical breaking condition of Japanese pine trees on coastal sand dunes in huge tsunami caused by Great East Japan Earthquake, Natural Hazards 65, pp.423-442, 2013.
Samarakoon, M.B., Tanaka, N., Iimura, K., Improvement of effectiveness of existing Casuarina equisetifolia forests in mitigating tsunami damage, Journal of Environmental Management 114, pp.105-114, 2013.
Nandasena, N.A.K., Tanaka N.：Boulder transport by high energy: Numerical model-fitting experimental observations, Ocean Engineering 57, pp.163-179, 2013.
Shah Prem, Norio Tanka and Eiichi Furusato: An experimental study on invertebrate (Isonychia Japonica) response to approach flow and blocks as refugia, Annual Journal of Hydraulic Engineering, JSCE,Vol.57, pp. I_235-240, 2013.

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2012

Thuy N.B., Tanaka N., Tanimoto K. (2012) Tsunami mitigation by coastal vegetation considering the effect of tree breaking, Journal of Coastal Conservation 16(1): 111-121.
Gunaratne, G.L., Tanaka, N., Amarasekara, G. P., Priyadarshana T. and J. Manatunge, Effect of Inlet morphometry changes on natural sensitivity and flushing time of the Koggala lagoon, Sri Lanka, Landscape and Ecological Engineering, Published online
Nandasena N. A. K., Sasaki Y., Tanaka N., Modelling field observations of the 2011 Great East Japan tsunami: efficiency of artificial and natural structures on tsunami mitigation, Coastal Engineering 67, pp.1-13, 2012.
Tanaka N., Yagisawa J., Index of medium-class flood disturbance for increasing diversity of vegetation at gravel bars or islands in middle of rivers, Intl. J. River Basin Management Vol. 10, No. 3, pp. 255-267, 2012.
Tanaka N., Yagisawa J., Yasuda S., Characteristics of damage due to tsunami propagation in river channels and overflow of their embankments in Great East Japan Earthquake, Intl. J. River Basin Management Vol. 10, No. 3, pp. 269-279, 2012.
Iimura K., Tanaka N., Numerical simulation estimating the effects of tree density distribution in coastal forest on tsunami mitigation, Ocean Engineering 54, pp.223-232, 2012.
Shah P., Tanaka N., Yagisawa J., Effects of under-scour depth and horizontal spacing between two bed protection blocks on the stability of the front block, J Hydrodynamics 24(4):579-588, 2012.
Tanaka, N., Samarakoon, M.B., Yagisawa, J., Effects of root architecture, physical tree characteristics and soil shear strength on maximum resistive bending moment for overturning Salix babylonica, and Juglans ailanthifolia, Landscape and Ecological Engineering, 8, pp.69-79, 2012.
Gunaratne, G.L., Tanaka, N., Amarasekara, G. P., Priyadarshana T. and J. Manatunge, Effect of Inlet morphometry changes on natural sensitivity and flushing time of the Koggala lagoon, Sri Lanka, Landscape and Ecological Engineering, Published online (DOI: 10.1007/s11355-012-0189-0), 2012.
Tanaka, N., Effectiveness and limitations of coastal forest in large tsunami: Conditions of Japanese pine trees on coastal sand dunes in tsunami caused by Great East Japan Earthquake, Annual Journal of Hydraulic Engineering, JSCE, Vol.56, 2012.
Tanaka, N., Yasuda, S., Iimura, K. and Yagisawa, J., Estimation of coastal forest effect on reducing the washout region of houses at the tsunami caused by the Great East Japan Earthquake, Proceedings of IAHR-APD2012, 398-400, 2012.
Yagisawa, J., Tanaka, N., and Md. Zahedur Rahman, A study for observation of flow pattern around angled groin on compound flume, Proceedings of IAHR-APD2012, 318-319, 2012.
N. A. K. Nandasena, N. Tanaka, and R. Paris, Numerical modelling of boulder transport by tsunami: The model predictions and its sensitivity, 8th Int. Conf. on Coastal and Port Eng. in Developing Countries (COPEDEC) 2012, IIT Madras, Chennai, INDIA, 20-24 Feb. 2012.

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2011

Nandasena, N.A.K., Paris, R., Tanaka, N., Numerical assessment of boulder transport by the 2004 Indian Ocean tsunami in Lhok Nga, West Banda Aceh (Sumatra, Indonesia), Computers & Geosciences 37, 1391-1399, 2011.
Hassan S. H. Ahmed, Tanaka N., Tamai N., Flow modeling and analysis of compound channel in river network with complex floodplains and groyne, Journal of Hydroinformatics, IWA Publishing, 13(3), pp.474-488, 2011.
Samarakoon, M.B., Tanaka, N. and Yagisawa, J., Effects of local scouring and saturation of soil due to flooding on maximum resistive bending moment for overturning Robinia pseudoacacia, Landscape and Ecol. Eng., DOI 10.1007/s11355-011-0169-9 (2011).
Tanaka, N., Takenaka, H., Yagisawa, J., Morinaga, T., Estimation of drag coefficient of a real tree considering the vertical stand structure of trunk, branches, and leaves, Intl. J. River Basin Management Vol. 9, Nos. 3-4, pp. 221-230, 2011.
Thuy, N.B., Tanaka, N., Tanimoto, K.: Tsunami mitigation by coastal vegetation considering the effect of tree breaking, Journal of Coastal Conservation Published online (DOI 10.1007/s11852-011-0179-7), 2011.
Tanaka, N., Jinadasa, K. B. S. N, Mowjood, M. I. M., Fasly, M.S.M., Coastal vegetation planting projects for tsunami disaster mitigation Effectiveness evaluation of new establishments, Landscape and Ecological Engineering , Springer, 7, 127-135, 2011.
Gunaratne, G.L., Tanaka, N., Amarasekara, G. P., Priyadarshana T. and J. Manatunge, Impact of Rubble Mound Groyne Structural Intervention in Restoration of Koggala Lagoon, Sri Lanka; Numerical modelling approach, Journal of Coastal Conservation, 15, pp.113-121, 2011.
Nandasena, N. A. K., Raphael Paris, Tanaka, N., Reassessment of hydrodynamic equations: Minimum flow velocity to initiate boulder transport by high energy events (storms, tsunamis), Marine Geology 281 (2011) 70-84.
Nandasena, N.A.K., Tanaka, N., Paris, R., Boulder transport by 2004 Indian Ocean tsunami: Numerical assessment of field observations at Lhok Nga bay, Sumatra, Indonesia, 34th IAHR Biennial Congress,pp.1294-1301, 2011
Shah, P., Tanaka, N., Yagisawa, J., An experimental study on the effect of under-scouring depth and horizontal spacing between two bed-protection blocks on the stability of frontal block, 34th IAHR Biennial Congress,pp.2577-2584, 2011.
Iimura, K., Tanaka, N., Harada, K., Tanimoto, K., Experimental Investigation for the Effects of Tree Arrangement in a Forest on Mitigating Tsunami, 34th IAHR Biennial Congress,pp.1286-1293, 2011.
Tanaka, N., Kikuji, Y., Yagisawa, J., Definition of middle class flood disturbance for increasing biodiversity at gravel bar, 34th IAHR Biennial Congress,pp.3121-3128, 2011

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2010

Yagisawa, J., Tanaka, N., Flood wash-out conditions of exotic and invasive plant, Eragrostis curvula, in Japanese rivers, International Journal of River Basin Management, Vol.8, pp.15-24, (2010).
Tanaka, N, Yagisawa, J.,, Flow Structures and Sedimentation Characteristics around Clump-Type Vegetation, J.Hydro-environment Research, Vol.4, pp.15-25, (2010).
Gayan Gunaratne, Tanaka, N, Prasanna Amarasekara, Tilak Priyadarshana, Jagath Manatuge, Restoration of Koggala Lagoon; Modelling approach in evaluating lagoon water budget and flow characteristics, J. of Environmental Sciences, 22(6) 813-819, (2010).
Hassan S. H. Ahmed, Mohammad M. Hasan and Tanaka, N, Analysis of flow around impermeable groynes on one side of symmetrical compound channel: An experimental study, J. of Water Science and Engineering, 3(1), 56-66, (2010).
Weragoda, S.K., Tanaka, N., Jinadasa, K.S.B.N. Sasaki, Y., Responses of Egeria densa to various influent ammonia concentrations: Microcosm study on plant morphology, Journal of Ecotechnology Research 16(1), pp.1-6, 2010.
Weragoda, S.K., Tanaka, N., Mowjood, M.I.M., Sewwandi, B.G.N. Efficiency of coconut coir-pith as an alternative substrate in the treatment of submerged macrophyte wetland systems in tropical conditions, Chemistry & Ecology, Vol. 26, No. 6, 445-452, December 2010.
Nguyen Ba Thuy, Katsutoshi Tanimoto, Norio Tanaka, Force due to tsunami runup around a coastal forest with a gap Experiments and numerical simulations, Science of Tsunami Hazards, Vol.29, No.2, pp.43-69, 2010.
Tanaka N., Yagisawa J., The indicator for classifying the role of trees from the point of driftwood generation and capture of debris at flood events with different flood magnitude, 8th International Symposium on Ecohydraulics 2010 (ISE2010), September 12-16, 2010, COEX, Seoul, Korea, pp.647-654
Yagisawa J., Tanaka, N., Dynamic growth model of river vegetation considering the destruction by floods and regeneration process of trees, 8th International Symposium on Ecohydraulics 2010 (ISE2010), September 12-16, 2010, COEX, Seoul, Korea, pp.1372-1379
Hiroshi Takenaka, Norio Tanaka, Phyo Min Htet, Junji Yagisawa, Wind Tunnel Experiments on Direct Measurement of Drag Force of Real Tree Trunks and Branches and Their Sheltering Effects at High Reynolds Numbers, 8th International Symposium on Ecohydraulics 2010 (ISE2010), September 12-16, 2010, COEX, Seoul, Korea, pp.1520-1525
Tanaka, N., Yagisawa, J., Indicators for classifying the possibility of forestation on a gravel bar in a river, Proc. of 17h IAHR-APD, Auckland, New Zealand, (CDROM), 2010.

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2009

Tanaka, N., Nandasena, N.A.K., Jinadasa, K.B.S.N. Tanimoto, K., Sasaki, Y. and Mowjood, Developing Effective vegetation bioshield for tsunami protection, Civil Engineering and Environmental Systems26 (2), pp. 163-180, June 2009.
Weragoda, S.K., Tanaka, N., Jinadasa, K.B.S.N., Sasaki, Y., Impact of influent inorganic nitrogen on nitrate removal efficiency of submerged plant microcosms, Chemistry & Ecology, Taylor & Francis, Vol. 25, No. 3, pp.179-188, 2009.
Weragoda, S.K., Tanaka, N., Sasaki, Y. and Jinadasa, K.B.S.N：Impacts of plant (Egeria densa) density and influent composition on nitrogen transformation mechanisms in submerged plant wetland systems, J. Freshwater Ecology, OIKOS, 24(3), pp.393-401, 2009.
Mulati Yusaiyin, Tanaka N., Efects of windbreak width in wind direction on the wind velocity reduction, Journal of Forestry Research, Springer, 20(3), pp.199-204, 2009.
Hassan S. H. Ahmed, Tanaka N, Tamai N, Distributed Water Balance with River Dynamic Diffusive Flow Model in Watershed with Compound and Natural River Streams, J. Hydrodynamics, Elsevier, 21(4):564-572, 2009.
Thuy, N.B., Tanimoto, K., Tanaka, N., Harada K., Iimura, K., Effect of Open Gap in Coastal Forest on Tsunami Run-up - Investigations by Experiment and Numerical Simulation, Ocean Engineering, Elsevier, 36, 1258-1269, 2009.
Makehelwala Madhubhashini, Jinadasa K. B. S. N., Tanaka, Norio, Weerasoriya, Rohan and Bandara, Athula, Adsorption Mechanism of Cr(VI) onto Coir Pith', Bioremediation Journal, 13: 4, 188-197, 2009.
KBSN Jinadasa, Norio Tanaka, MIM Mowjood, Rohan Weerasooriya,WJ Ng, Effect of Coir on Bioremediation of Pollutants in Tropical Constructed Wetlands in Asia, Proceedings of the 18th Symposium on Environmental Chemistry, Japan, pp.284-285
Tanaka, N., Yagisawa, J., Indices for evaluating the breaking and wash-out condition of trees on gravel bar at flood events, Proc. of 33rd IAHR, Vancouver, Canada, (CDROM), 2009.

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2008

Jinadasa, K.B.S.N., Tanaka, N., Sasikala, S., Werellagama, D.R.I.B., Mowjood M.I.M. and Ng, W.J., Impact of harvesting on constructed wetlands performance a comparison between Scirpus grossus and Typha angustifolia, J. Environ. Sci. Health, Part A, Vol. A43, No.6, pp.1-8, (2008).
Nandasena, N.A.K., Tanaka, N., Tanimoto, K., Tsunami current inundation of ground with coastal vegetation effects; an initial step towards a natural solution for tsunami amelioration, J. Earthquake and Tsunami, Vol. 2, No.2, pp. 157-171, (2008).
Tanaka, N., Vegetation bioshields for tsunami mitigation: review of effectiveness, limitations, construction, and sustainable management, Landscape and Ecological Engineering, Vol. 5, No.1, pp.71-79, (2009)
Tanaka, N. Yagisawa, J., Effects of tree characteristics and substrate condition on critical breaking moment of trees due to heavy flooding, Landscape and Ecological Engineering, Vol. 5, No.1, pp.59-70, (2009)
Sasikala, S., Tanaka, N., H.S.Y Wah Wah, Jinadasa, K.B.S.N., Effects of water level fluctuation on radial oxygen loss, root porosity, and nitrogen removal in subsurface vertical flow wetland mesocosms, Ecological Engineering Vol. 35, pp.410-417, (2009.3)
Tanaka, N. and Yagisawa, J., Differences of tree-breaking pattern and breaking moment by floods with different tree age and substrate condition under two flood disturbances, ICHE, pp.473-474, 2008.
AHMED, Hassan, Tanaka, N. Tamai, N., Distributed water balance model in watershed coupling with dynamic and diffusive river flow routing, ICHE, pp.127-128, 2008.
Yagisawa, J. and Tanaka, N., Evaluation of the removal condition of invasive plant to gravel bed river, Eragrostis curvula, by the erosion of substrate, ICHE, pp.251-252, 2008.
AHMED, Hassan, Tanaka, N. Tamai, N., Distributed water balance model in watershed coupling with river dynamic flow routing method, Proc. of 16th IAHR-APD & 3rd IAHR-ISHS, Nanjin, China, pp. 12-17, 2008.
Tanaka, N. Ito, S. and Yagisawa, J., Flow structures and sedimentation characteristics around colony-type vegetation at flood events, Proc. of 16th IAHR-APD & 3rd IAHR-ISHS, Nanjin, China, pp. 981-986, 2008.
Mulati, Y., Tanaka, N. and Takagi, T., Optimal wind protection fence that minimize the spray transport to the downstream, Proc. of 16th IAHR-APD & 3rd IAHR-ISHS, Nanjin, China, pp. 1347-1352, 2008.

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