Research Group on Carbon and Climate Change (RCCC)
Department of Zoology and Environment Sciences
Publications
Contribution of soil carbon to the land-atmosphere exchanges in US croplands: Implications from a fine resolution land surface model
Lokupitiya, E., Denning, S., Paustian, K., and Baker, I. 2011. Contribution of soil carbon to the land-atmosphere exchanges in US croplands: Implications from a fine resolution land surface model. Proceedings of 10th International Conference of the East and Southeast Asia Federation of Soil Science Societies (ESAFS10) held from October 10-13, 2011 in Colombo, Sri Lanka. p 119.
Comparison of observed and modeled carbon and energy fluxes for agricultural sites under NACP site-level interim synthesis
Lokupitiya, E. Y., Denning, A.S., Anderson, R. et al. 2011. Comparison of observed and modeled carbon and energy fluxes for agricultural sites under NACP site-level interim synthesis. 2011 AmeriFlux Science Meeting & 3rd North American Carbon Program (NACP) All Investigators’ meeting held from January 31-February 04 at New Orleans, Louisiana, USA. (https://www.nacarbon.org/meeting_2011/abs_and_discussions/mtg2011)_ab_searchab_id182.html)
Characterizing the performance of ecosystem models across time scales: A spectral analysis of the North American Carbon Program site-level synthesis.
Dietz M. C. et al. 2011. Characterizing the performance of ecosystem models across time scales: A spectral analysis of the North American Carbon Program site-level synthesis. Journal of Geophysical Research: Biogeosciences 116,G04029.DOI:10.1029/2011JG001661
Use of AVHRR NDVI time series and ground-based surveys for estimating county-level crop biomass.
Lokupitiya, E., Lefsky, M., and K. Paustian. 2010. Use of AVHRR NDVI time series and ground-based surveys for estimating county-level crop biomass. International Journal of Remote Sensing 31(i): 141-158.
Coupling land surface and crop growth models for predicting evapotranspiration and carbon exchange in wheat-maize rotation croplands.
Lei, H., Yang, D., Lokupitiya, E., Shen, Y. 2010. Coupling land surface and crop growth models for predicting evapotranspiration and carbon exchange in wheat-maize rotation croplands. Biogeosciences 7: 3363-3375.
Contribution of soil organic matter decomposition processes to the land-atmosphere exchanges in US croplands: implications from a fine resolution land surface model
Lokupitiya, E., Denning, S., Paustian, K., Baker, I. 2010. Contribution of soil organic matter decomposition processes to the land-atmosphere exchanges in US croplands: implications from a fine resolution land surface model. Organic matter stabilization and ecosystem functions SOM 2010 conference, September 19-23, Presqu’île de Giens (Côte d’Azur), France. P 225.
Assessing the Impact of Crops on Regional CO2 Fluxes and Atmospheric Concentrations.
Corbin, K.D., Denning, Lokupitiya, E.Y. et al. 2010. Assessing the Impact of Crops on Regional CO2 Fluxes and Atmospheric Concentrations. Tellus B 62: 521-532.
A model-data intercomparison of CO2 exchange during large scale droughts: Results from the North American Carbon Proram Site Synthesis
Schwalm, C.R. et al. 2010. A model-data intercomparison of CO2 exchange during large scale droughts: Results from the North American Carbon Proram Site Synthesis. Journal of Geographical Research Biogeosciences 115, G00H05. DOI: 10.1029/2009JG001229.
Simulation of carbon fluxes and prediction of crop yields within MCI region using SiBcrop. 2009
Lokupitiya, E. 2009 a. Simulation of carbon fluxes and prediction of crop yields within MCI region using SiBcrop. 2009 Second North American Carbon Program All Invesigators Meeting. February 17-20 2009, San Diego, CA, USA.
Incorporation of crop phenology in Simple Biosphere Model (SiBcrop) to improve land-atmosphere carbon exchanges from croplands
Lokupitiya, E., Denning, S., Paustian, K., Baker, I., Schaefer, K., Verma, S., Meyers, T., Bernacchi, C.J., Suyker, A., and Fischer, M.. 2009. Incorporation of crop phenology in Simple Biosphere Model (SiBcrop) to improve land-atmosphere carbon exchanges from croplands. Biogeosciences, 6, 969-986.
Estimation and analysis of greenhouse gas emissions from Agriculture, Forestry and Other Land Use (AFOLU) sector for the national greenhouse gas inventory of Sri Lanka
Estimation and analysis of greenhouse gas emissions from Agriculture, Forestry and Other Land Use (AFOLU) sector for the national greenhouse gas inventory of Sri Lanka (Prepared for the Ministry of Environment and Natural Resources, Sri Lanka, under the UNDP/TOKTEN program) [2008].
Using crop specific phenology models coupled with the Simple Biosphere Model (SiB) for improved prediction of land-atmosphere exchanges across the mid-continental region of North America
Lokupitiya, E., Denning, S., Paustian, K., Baker, I., and K. Shaefer. 2007. Using crop specific phenology models coupled with the Simple Biosphere Model (SiB) for improved prediction of land-atmosphere exchanges across the mid-continental region of North America. 40th Annual meeting of the American Geophysical Union. December 10-14, 2007, San Francisco, California, USA.
Deriving Comprehensive County-Level Crop Yield and Area Data for U.S. Cropland.
Lokupitiya, E., Breidt, F.J., Lokupitiya, R., Williams, S. and K. Paustian. 2007. Deriving Comprehensive County-Level Crop Yield and Area Data for U.S. Cropland. Agronomy journal 99,673-681.
Comparison of missing value imputation methods for crop yield data.
Lokupitiya, R.S., Lokupitiya, E., and Paustian, K. 2006. Comparison of missing value imputation methods for crop yield data. Environmetrics 17(4), 339- 349.
Agricultural soil GHG emissions: A review of national inventory methods.
Lokupitiya, E., and K. Paustian. 2006. Agricultural soil GHG emissions: A review of national inventory methods. J. Environ. Qual. 35, 1413-1427.
Potential use of AVHRR NDVI in estimating crop aboveground biomass and carbon inputs from crop residues
Lokupitiya, E., Paustian, K. and M. Lefsky. 2005. Potential use of AVHRR NDVI in estimating crop aboveground biomass and carbon inputs from crop residues. 2005 International Anuual Meetings of the ASA-CSSA- SSSA, November 6- 10, 2005, Salt Lake City, USA.
Analysis of C Dynamics in US Agricultural Soils
Lokupitiya, E., Paustian, K, Williams, S., Lokupitiya, R. and Breidt Jay F..2005. Analysis of C Dynamics in Us Agricultural Soils. 2005 International Anuual Meetings of the ASA-CSSA- SSSA, November 6- 10, 2005, Salt Lake City, USA.
Off-grid, community-based dendrothermal power generation: a viable option for clean development mechanism
Lokupitiya E. Y. K and Batagoda B. M. S, (2001) Off-grid, community-based dendrothermal power generation: a viable option for clean development mechanism. Abstract presentation at the Proceedings of the seventh annual Forestry and Environment Symposium 2001 of the Department of the Forestry and Environmental science, University of Sri Jayewardenepura, Sri Lanka. P 25.
Global Program of Action (GPA) Test Regional Report of the South Asian Seas Region
Global Program of Action (GPA) Test Regional Report of the South Asian Seas Region- Report submitted to the SACEP, and Prepared under the contract from UNEP/ GPA Coordination Office, the Hague, the Netherlands [2000]
Effects of increased nitrogen deposition on soil nematodes in alpine tundra soil.
Lokupitiya, E., Stanton, N.L., Seville, R.S. and Snider, J.R.. 2000. Effects of increased nitrogen deposition on soil nematodes in alpine tundra soil. Pedobiologia 44: 591-608
Cost-benefit analysis of the of the proposed sewer network at Moratuwa/Ratmalana in Sri Lanka as a measure to protect coastal areas from land-based sources of pollution
Cost-benefit analysis of the of the proposed sewer network at Moratuwa/Ratmalana in Sri Lanka as a measure to protect coastal areas from land-based sources of pollution- Report submitted to the SACEP [2000; with B.M.S. Batagoda and B.M.N.K. Dorabawila]
Capacity building needs of Sri Lanka for the implementation of the UNFCCC
Capacity building needs of Sri Lanka for the implementation of the UNFCCC
-Report written for the Ministry and submitted to the UNFCCC Secretariat [2000]. (published by the UNFCCC secretariat under Capacity Building).
Analysis of the Emission Trading Potential in Sri Lanka for the Greenhouse Gas Market under the Kyoto Protocol.
Batagoda, B.M.S., Kularathne, K.I.A., Lokupitiya, E.Y.K. 2000. Analysis of the Emission Trading Potential in Sri Lanka for the Greenhouse Gas Market under the Kyoto Protocol. Sri Lankan Journal of Agricultural Economics 3(1): 47-70
Ten Years of Environmental Cooperation between Sri Lanka and Norway
Ten Years of Environmental Cooperation between Sri Lanka and Norway 1989-1999 (with S. Rahubadda). NORAD Environmental Cooperation Programme, Ministry of Environment, Sri Lanka [1999].
Analgesia and sedation induced by Mucuna prurita seeds in rats .
Ratnasooriya, W.D., Lokupitiya, E.Y.K. and Dharmasiri, M.G.. 1999. Analgesia and sedation induced by Mucuna prurita seeds in rats . Medical Science Research 27: 403- 406