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GIS Analyst and Lecturer
(919) 966-9925


Professional Focus
GIS; Data analysis; Web programming; Python; coral reef ecology; SQL; Databases

ENEC 259, Coral Reef Ecology and Management



M.S., Environmental Management and Policy, Department of Environmental Sciences and Engineering, The University of North Carolina at Chapel Hill, 2001
B.A., Geology, University of Colorado at Boulder, 1998

Selected Publications

Valencia, Alejandro; Arunachalam, Saravanan; Isakov, Vlad; Naess, Brian; Serre, Marc. Improving emissions inputs via mobile measurements to estimate fine-scale Black Carbon monthly concentrations through geostatistical space-time data fusion, Science of The Total Environment, Volume 793, 2021, ISSN 0048-9697.

Sorte, Sandra; Arunachalam, Saravanan; Naess, Brian; Seppanen, Catherine; Rodrigues, Vera; Valencia, Alejandro; Borrego, Carlos; Monteiro, Alexandra. Assessment of source contribution to air quality in an urban area close to a harbor: Case-study in Porto, Portugal, Science of The Total Environment, Volume 662, 2019, Pages 347-360. ISSN 0048-9697.

Isakov, V.; Arunachalam, S.; Baldauf, R.; Breen, M.; Deshmukh, P.; Hawkins, A.; Kimbrough, S.; Krabbe, S.; Naess, B.; Serre, M.; Valencia, A. Combining Dispersion Modeling and Monitoring Data for Community-Scale Air Quality Characterization. Atmosphere 2019, 10, 610.

Arunachalam, Saravanan; Naess, Brian; Seppanen, Catherine; Valencia, Alejandro; Brandmeyer, JoEllen; Venkatram, Akula; Weil, Jeff; Isakov, Vlad; Barzyk, Timothy. 2019. A new bottom-up emissions estimation approach in support of air quality modeling for community-scale assessments around airports. International Journal of Environment and Pollution, Vol. 65, No. 1/2/3, 2019. DOI: 10.1504/IJEP.2019.101832

Naess, Brian. A Deeper Appreciation of Coral Reefs Through Snorkeling: How to Become a Pro Snorkeler. Kindle ed., Snorkel Pro Books, 2018. ASIN: B07B9N7LFQ. ISBN: 978-0-692-08703-9.

Isakov, Blad; Barzyk, Timothy; Smith, Elizabeth; Arunachalam, Saravanan; Naess, Brian; Venkatram, Akula. A Web-based Modeling System for Near-port Air Quality Assessments. 2016. In Environmental Modelling & Software, Volume 98, 2017, Pages 21-34, ISSN 1364-8152,

Barzyk, Timothy M.; Isakov, Vlad; Arunachalam, Saravanan; Venkatram, Akula; Cook, Rich; Naess, Brian. A Near-Road Modeling System for Community-Scale Assessments of Mobile-Source Air Toxics: The Community Line Source (C-Line) Modeling System. Environmental Modeling & Software, Volume 66, April 2015, Pages 46.

Snyder, M.; Arunachalam, S.; Isakov, V.; Talgo, K.; Naess, B.; Valencia, A.; Omary, M.; Davis, N.; Cook, R.; Hanna, A. Creating Locally-Resolved Mobile-Source Emissions Inputs for Air Quality Modeling in Support of an Exposure Study in Detroit, Michigan, USA. Int. J. Environ. Res. Public Health 2014, 11, 12739-12766.