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Senior Lecturer (ii)- 
Utilization of red earth deposit in northwestern coastal belt as an economic deposit
Certificate of merit award for outstanding oral presentation titled “Leachability of metals from FGD gypsum used in agricultural purpose” – awarded by the American chemical society, division of environmental chemistry. Received March 16 -20, 2014.
Presidential award for scientific publications – awarded by National Research Council (NRC) of Sri Lanka. Received January 17, 2014
University award for academic excellence – University of Peradeniya, Sri Lanka, received 2008.
• P.W. Vitanage memorial scholarship for academic excellence - awarded by Geological Society of Sri Lanka (GSSL), received 2007.Journal of Geological Society of Sri Lanka
Koralegedara N.H., W.L.A.C.I., Athurupana B., Balasooriya N.W.B., Chandrajith R., Senaratne A. (2021). Chemical, Mineralogical and Textural Characterization of Red Earth Formation in the Northwest Coast of Sri Lanka. Journal of Geological Society of Sri Lanka, 22 (1): 1-10.
https://scholar.google.com/scholar?oi=bibs&cluster=17724355723087947713&btnI=1&hl=en
Journal of Environmental Management
Nadeesha H Koralegedara, Patricio X Pinto, Dionysios D Dionysiou, Souhail R Al-Abed (2019). Recent advances in flue gas desulfurization gypsum processes and applications–A review. Journal of Environmental Management, 251: 109572.
DOI: https://doi.org/10.1016/j.jenvman.2019.109572
Journal of hazardous materials
NH Koralegedara, SR Al-Abed, MKJ Arambewela, DD Dionysiou (2017). Impact of leaching conditions on constituents release from Flue Gas Desulfurization Gypsum (FGDG) and FGDG-soil mixture. Journal of hazardous materials, 324: 83-93.
DOI: https://doi.org/10.1016/j.jhazmat.2016.01.019
Science of the Total Environment
Nadeesha H Koralegedara, Souhail R Al-Abed, Sanjeewa K Rodrigo, Ranju R Karna, Kirk G Scheckel, Dionysios D Dionysiou (2017). Alterations of lead speciation by sulfate from addition of flue gas desulfurization gypsum (FGDG) in two contaminated soils. Science of the Total Environment, 575: 1522-1529.
DOI: https://doi.org/10.1016/j.scitotenv.2016.10.027
Journal of environmental management
KW Little, NH Koralegedara, CM Northeim, SR Al-Abed (2017). Decision support for environmental management of industrial non-hazardous secondary materials: New analytical methods combined with simulation and optimization modeling. Journal of environmental management, 196: 137-147.
DOI: https://doi.org/10.1016/j.jenvman.2017.02.075
Engineering Geology
Nadeesha H.Koralegedara, J. BarryMaynard (2017). Chemical, Mineralogical and Textural Properties of the Kope Formation Mudstones: How They Affect its Durability. Engineering Geology, 228: 312-322.
DOI: https://doi.org/10.1016/j.enggeo.2017.08.025
Environmental geology
Rohana Chandrajith, Nadeesha Koralegedara, KB Ranawana, HJ Tobschall, CB Dissanayake (2009). Major and trace elements in plants and soils in Horton Plains National Park, Sri Lanka: an approach to explain forest die back. Environmental geology, 57 (1): 17-28.
DOI: https://link.springer.com/article/10.1007/s00254-008-1278-0