Prof. Erandathie Lokupitiya
Department of Zoology and Environment Sciences
Publications
Assessment of key policies and measures to address the drivers of deforestation and forest degradation in Sri Lanka
Assessment of key policies and measures to address the drivers of deforestation and forest degradation in Sri Lanka- Final technical report of a consultancy awarded to the Colombo Science and Technology Cell, Faculty of Science, University of Colombo, by United Nations Development Programme (UNDP) for the Sri Lanka UN-REDD Programme [2015; with S. Fernando, A. Senaratna, N. Pallewatta, N., L. Manawadu, U. Imbulana , I. De Silva,, and S. Ranwala ]
Report on Technology Needs Assesment and Technology Action Plans for Climate Change Mitigation published by Climate Change
Report on Technology Needs Assesment and Technology Action Plans for Climate Change Mitigation published by Climate Change Secretariat, Ministry of Environment and Renewable Energy Sri Lanka [2014]
Proceedings of the 5th APN South Asia Sub-Regional Cooperation Meeting & South Asia Proposal Development Training Workshop
Proceedings of the 5th APN South Asia Sub-Regional Cooperation Meeting & South Asia Proposal Development Training Workshop (Report prepared for the Ministry of Environment and Renewable Energy of Sri Lanka and APN) [2014]
Greenhouse Gas Budgets of South and Southeast Asia
Patra, P.K., Canadell, J. G., Ahmed, M. K., Machida, T., Mukai, H., Lokupitiya, E. and Lokupitiya, R. 2014. Greenhouse Gas Budgets of South and Southeast Asia. APN Science Bulletin 4: 56-57.
Evaluating the agreement between measurements and models of net ecosystem exchange at different times and timescales using wavelet coherence
Stoy P. C. et al. 2013. Evaluating the agreement between measurements and models of net ecosystem exchange at different times and timescales using wavelet coherence: an example using data from the North American Carbon Program Site-Level Interim Synthesis. Biogeosciences 10: 6893-6909
Evaluating atmospheric CO2 inversions at multiple scales over a highly-inventoried agricultural landscape
Schuh, A., Lauvaux, T., Denning, A., West, T., Davis, K., Miles, N., Richardson, S., Uliasz, M.., Lokupitiya, E., Cooley, D., Andrews, A., Ogle, S. M. 2013. Evaluating atmospheric CO2 inversions at multiple scales over a highly-inventoried agricultural landscape. Global Change Biology 19: 1424-1439
Development of Country-Specific Emission Factors for Methane Emissions from Livestock Sector in Sri Lanka
Lokupitiya, E. 2013. Development of Country-Specific Emission Factors for Methane Emissions from Livestock Sector in Sri Lanka. Proceedings Annual Research Symposium of University of Colombo held on October 3-4, 2013. p 192
Utilizing Field Campaign, Flux Tower, and Satellite Data To Improve Simulated Carbon Fluxes and Pools in The Simple Biosphere Model (SiB4)
Haynes, K. D.; Baker, I. T.; Denning, S.; Stockli, R.; Schaefer, K. M.; Lokupitiya, E. 2012. Utilizing Field Campaign, Flux Tower, and Satellite Data To Improve Simulated Carbon Fluxes and Pools in The Simple Biosphere Model (SiB4). American Geophysical Union, Fall Meeting 2012, abstract #B41C-0298
Report on the barrier analysis and enabling framework for transport sector of Sri Lanka
Report on the barrier analysis and enabling framework for transport sector of Sri Lanka (Report submitted to the Ministry of Environment and Renewable Energy of Sri Lanka under climate change technology needs assessment for greenhouse gas mitigation) [2012]
Project ideas for transport sector of Sri Lanka (Report submitted to the Ministry of Environment and Renewable Energy of Sri Lanka under climate change technology needs assessment for greenhouse gas mitigation) [2012]
Carbon balance in US croplands during the last two decades of the 20th century
Lokupitiya, E. , Paustian, K., Easter, M., Williams S., Andrén, O. and Kätterer, T. 2012. Carbon balance in US croplands during the last two decades of the 20th century. Biogeochemistry 107: 207-225.
A model-data comparison of gross primary productivity: Results from the North American Carbon Program site synthesis.
Shaefer, K. et al. 2012. A model-data comparison of gross primary productivity: Results from the North American Carbon Program site synthesis. Journal of Geophysical Research 117, G03010, doi:10.1029/2012JG001960
National Greenhouse gas Inventory Report for the Agriculture and Land Use, Land Use Change & Forestry sectors
National Greenhouse gas Inventory Report for the Agriculture and Land Use, Land Use Change & Forestry sectors, for the Second National Communication by the Government of Sri Lanka, submitted to the UNFCCC Secretariat [2011].
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.