Dr. (Mrs.) SR Amarasinghe

BSc (Agric), MPhil, PhD

Senior Lecturer in Soil Science
Dept of Soil Science
Faculty of Agriculture, University of Ruhuna, Sri Lanka

Phone

:

+94 41 2292200 Ext. 295 (Office)

+94 71 5835475 (Mobile)

Fax

:

+94 41 2292384

E-mail

:

sajeewani21@yahoo.com

   

FULL NAME

SAJEEWANI RAJIKA AMARASINGHE

 

PERSONAL

Born March 21, 1977

Married

 

NATIONALITY

Sri Lankan

 

RESIDENCE

No. 56, Sea Beach Road, Kalutara North, Sri Lanka

 

HONORS & AWARDS

  • Japanese government scholarship (MONBUKAGAKUSHO: MEXT) to conduct Ph.D. in Saitama University, Japan (From October 2008 to September 2011)

  • Awarded Research Assistant post to conduct the M.Phil. in Open University of Sri Lanka under National Science Foundation –NSF (From 2005 to 2007)

  • Scholarship for Women in Technology (WIT) to conduct Cisco Networking by Sri Lanka Institute of Information Technology (SLIIT)-July 2004-June 2005

 

HIGHER EDUCATION

  • Ph.D. - Saitama University, Japan.

    Date Obtained: 16 Sep. 2011

    Study Area: Environmental Engineering

    Dissertation theme: Application of evaporation measurement techniques for the unsaturated hydraulic property estimation of porous media

    Research description: Estimated the unsaturated hydraulic properties of porous media by inverse estimation technique, Developed a Genetic algorithm code using FORTRAN program

  •  

  • M.Phil. - The Open University of Sri Lanka

    Date Obtained: Nov 2007

    Study Area: Soil & Water Engineering (Research based)

    Dissertation theme: Water quality and quantity assessment of agro wells in Vavuniya district for domestic and agricultural uses

    Research description: Water quality including PH, Nitrates, Nitrites, Phosphates, and other 9 elements were measured and the quantity parameters were analyzed by SAMBA model using daily agro well water level. Further, delineated the aquifer vulnerability zones according to the results.

  •  

  • B.Sc. (Agric.)Second class upper division - University of Ruhuna, Sri Lanka

    Date Obtained: July 2003

    Study Area: Soil Science

    Dissertation theme: Effect of mixing organic amendments on dissolution of Eppawala Rock Phosphate and High Grade Eppawala Rock Phosphate in organic tea soils

    Research description: Executed a set of experimental studies to see the dissolution of ERP and HERP in the presence of six organic matters such as compost, kapok oil seed cake

 

KEY QUALIFICATIONS

  • Ten years of research experience in variety of fields related to soil and water quality assessment, biotechnology, soil science, and environmental engineering

  • Series of research work on municipal solid waste management

  • Several research experience in modeling of groundwater flow and solute transport

 

MEMBERSHIPS

  • Member of Geo Informatics Society, University of Peradeniya, Sri Lanka (GISSL)

  • Member of Japan Society of Civil Engineers (JSCE)

  • Member of Australian Computer Society (ACS)

  • Member of Sri Lanka Computer Society (CCSL)

 

OTHER EDUCATIONAL/TECHNICAL PROFICIENCY

  • Completed Certificate in Computer Science (CCS) in National Institute of Business Management (NIBM)-October 1997 to February 1998

  • Finalist of Australian Computer Society (ACS) Exam (Jan, 2001)

  • Completed the first year of BIT (Bachelor of Information Technology) in University of Colombo

  • Diploma in Management in Open university of Sri Lanka (April, 2004)

  • Training course on “Research Methodology and Quantitative Techniques” by Sri Lanka Institute of Development Administration (SLIDA)-September, 2006

 

INVOLVEMENT OF RESEARCH PROJECTS

  • Co-supervisor of the project on ‘Assessment of municipal solid waste compost (MSWC) as a soil amendment with respect to physic-chemical and biological aspects and management strategy for potential constraints’. Funded by National Research Council of Sri Lanka, 2014-On going

 

VARIETY OF SKILLS

  • Excellent communication & presentation skills

  • Multi Lingual: Competent in Sinhalese, English, and Japanese

  • Worked part time in National Institute of Education (NIE) Maharagama, to prepare syllabuses and engaged in teacher training programmes (From 2004 to 2008)

  • Good understanding of environmental principles and practices

 

PEER REVIEWED SCIENTIFIC JOURNALS

 

Amarasinghe SR, and Fernando HG (2014) Pro-environmental behavior regarding solid waste management in households of Kalutara urban council area: A case study, Journal of Tropical Forestry & Environment, University of Sri Jayawardenepura, Vol 4:1 p 80-84.

 

Amarasinghe SR, Watanabe K, and Ishiyama K (2011) Study on the selection of unsaturated flow model for the different types of soil and soft rock, Environmental Earth Science DOI 10.1007/s12665-011-0982-3.

 

Amarasinghe SR, Watanabe K, and Maung MM (2011) Estimating unsaturated hydraulic properties of soft rock by three different flow models, Annual Journal of Hydraulic Engineering, Japan Society of Civil Engineers, vol.55: 91-96.

 

Amarasinghe SR, Watanabe K, and Abozeid G (2010) Comparison between Campbell and van Genuchten models by inverse estimation of unsaturated properties, Annual Journal of Hydraulic Engineering, Japan Society of Civil Engineers, vol.54: 31-36.

 

De Siva CS, and Amarasinghe SR (2008) Water Quantity assessment of Agro-wells in Vavuniya District, Water Resorses Research in Sri Lanka, Geo Informatics Society of Sri Lanka, University of Peradeniya, ISBN 995-130-811-7: 57-69.

 

Amarasinghe SR, and De Silva CS (2006) Water quality assessment of agro-wells in Vavuniya District for the use of Agricultural and Domestic purposes, Water Resources Research in Sri Lanka, Geo-Informatics Society of Sri Lanka, University of Peradeniya, ISBN 995-130-80-50: 41-54.

 

Amarasinghe SR, Watanabe K, and Saski T (2014) Unsaturated hydraulic model fitting for the soft rock in Rokkasho area, Japan, Environmental Earth Science (under review).

 

PEER REVIEWED SYMPOSIUM PAPERS

 

Amarasinghe SR (2014) Evaluation of Solid Waste Disposal and Waste Management Awareness in Kalutara Urban Council Area: A case study, International Symposium on Agriculture and Environment, Faculty of Agriculture, University of Ruhuna, pp 445-447.

 

Amarasinghe SR (2014) Factors influencing willingness to pay for the improved solid waste management, 11th Academic sessions, University of Ruhuna.

 

Amarasinghe SR, and Fernando HG (2013) Pro-environmental behavior regarding solid waste management in households of Kalutara urban council area: A case study, International Forestry and Environment Symposium, University of Sri Jayawardenepura, pp 56.

 

Amarasinghe SR, and Watanabe K (2012) Application of empirical models using evaporation method to estimate unsaturated hydraulic properties of soft rock (2012) International Forestry and Environment Symposium, University of Sri Jayawardenepura, pp 76.

 

Amarasinghe SR, and Watanabe K (2012) Estimating unsaturated hydraulic properties by transient evaporation method in soft rock in Rokkasho area, Japan (2012) International Symposium on Agriculture and Environment, Faculty of Agriculture, University of Ruhuna. 154-156.

 

Amarasinghe SR, and Watanabe K (2011) Inverse estimation of unsaturated hydraulic properties using evaporation measurement techniques in sandy soil. International Symposium on Agriculture and Environment, Faculty of Agriculture, University of Ruhuna, pp 98.

 

Dassanayake EM, Weerasinghe WPMN, Amarasinghe SR, and Videha MNC (2008) Identification of virus diseases in selected orchid cultivars, National Symposium on Floriculture Research, Department of Botanic Gardens, Peradeniya. Pp 13.

 

Amarasinghe SR, and De Silva CS (2004) Preliminary study on Agro-well water quality assessment in Vavuniya district for domestic and agricultural purposes. Proceedings of the OUSL Inaugural Annual Academic Sessions, The Open University of Sri Lanka. pp12.

 

Amarasinghe SR, Zoysa AKN, and Wanniarachchi SD (2003) Effect of Mixing organic amendments on dissolution of Eppawala Rock Phosphate and High Grade Eppawala Rock Phosphate in organic tea soils, Annual Research Sessions, Faculty of Agriculture, University of Ruhuna.

Groundwater quality and quantity assessment

Groundwater recharge estimation

Water resource management

Modeling of groundwater flow in porous media

Soil physics including unsaturated hydraulic property estimation by inverse estimation techniques

Hydraulic parameter optimization techniques such as Genetic Algorithm

Environmental conservation

Geosphere environment

Geotechnical aspects of earthquake engineering

Rock weathering and geomorphological processes