Earth Sciences Division (ESD) Department of Energy (DOE) Lawrence Berkeley National Laboratory (LBNL)

Charuleka Varadharajan's Publications

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Peer-Reviewed Publications

    1. Varadharajan C, Tinnacher R.M., Pugh J.D., Trautz R.C., Zheng L., Spycher N.F., Birkholzer J.T., Castillo-Michel H., Esposito R.A., and P.S.Nico, A laboratory study of the initial effects of dissolved carbon dioxide (CO2) on metal(loid) release from shallow sediments, accepted for publication in International Journal for Greenhouse Gas Control.
    2. Trautz R.C., Pugh J.D., Varadharajan C., Zheng L., Bianchi M., Nico P.S., Spycher N.F., Newell D.F., Esposito R.A., Wu Y., Dafflon B., Hubbard S.S., and J.T. Birkholzer (2013), Effect of Dissolved CO2 on a Shallow Groundwater System: A Controlled Release Field Experiment, Environ. Sci. & Technol. 47(1)
    3. Trautz R.C., Pugh J.D., Zheng L., Spycher N.F., Nico P.S., Varadharajan C., Dafflon B., Wu Y., Newell D.L., Esposito R.A., Hubbard S.S., Birkholzer J.T., Tinnacher R.M., Bianchi M., Evaluation of dissolved CO2-induced metals mobilization in groundwater using a controlled release experiment. Proceedings for 11th International Conference on Greenhouse Gas Technologies (GHGT), November 2012, Japan
    4. Varadharajan, C. and H.F. Hemond (2012). Time -series analysis of high-resolution ebullition fluxes from a stratified, freshwater lake, J. Geophys. Res., 117, G02004.Publication selected as Editors’ highlight (April 2012).
    5. Varadharajan, C., Birkholzer J.T., Kraemer S., Porse S., Carroll S., Wilkin R., Maxwell R., Bachu S., Hovorka S., Daley T., Digiulio D., Carey W., Strasizar B., Huerta N., Gasda S., and W. Crow (2012), Summary Report on CO2 Geologic Sequestration & Water Resources Workshop, Lawrence Berkeley National Lab Report, LBNL-5346E, January 2012.
    6. Scandella, B.P., Varadharajan, C., Hemond H.F., Ruppel C., and R. Juanes (2011), A conduit dilation model of methane venting from lake sediments, Geophys. Res. Lett., 38, L06408
    7. Varadharajan C., Hermosillo R. and Hemond H.F (2010). A low-cost automated trap to measure bubbling gas fluxes, Limnol. Oceanogr. Methods 8:363-375.
    8. Harward, V.J., del Alamo, J.A., Lerman, S.R., Bailey, P.H., Carpenter, J., DeLong, K., Felknor, C., Hardison, J., Harrison, B., Jabbour, I., Long, P.D., Tingting Mao, Naamani, L., Northridge, J., Schulz, M., Talavera, D., Varadharajan, C., Shaomin Wang, Yehia, K., Zbib, R., Zych, D.  "The iLab Shared Architecture: A Web Services Infrastructure to Build Communities of Internet Accessible Laboratories," Proceedings of the IEEE, vol.96, no.6, pp.931-950, June 2008.
    9.  J. Hardison, D. Zych, J. A. del Alamo, V. J. Harward, S. R. Lerman, C. Varadharajan, S. M. Wang, K. Yehia, “The Microelectronics Weblab 6.0 – An Implementation Using Web Services and the iLab Shared Architecture”, Proceedings of the iNEER Conference for Engineering Education and Research, Taiwan March 2005.
    10. Harward J., del Alamo J., de Long K., Hardison J., Lerman S., Northridge J., Varadharajan C., Wang S., Yehia K., Zych D., “iLab: A Scalable Architecture for Sharing Online Experiments”, Proceedings of International Conference on Engineering Education, Florida October 2004.

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      First Author Conference Presentations

        1. Varadharajan C., Birkholzer J.T., Esposito, R., Hubbard, S., Nico, P.S., Pugh, J., Spycher, N., Trautz R., Wu, Y., and Zheng, L. Evaluating the effects of CO2 intrusion on trace metal mobility in freshwater aquifers, Annual Carbon Capture and Sequestration Conference, May 2011
        2. Varadharajan C., Nico P.S., Pugh J.D., Zheng L., Spycher N., Birkholzer J.T., and Trautz R. Evaluating the effects of CO2 intrusion on trace metal mobility in freshwater aquifers, Geological Society of America Annual Meeting, October 2010
        3. Varadharajan C., Nico P.S., Yang L., Han, R., Bill, M., Larsen, J.T., Van Hise, A., Molins, S. Steefel C., Conrad, M., Lim H., Brodie E.L. and Beller H.R. Evaluating the risk of chromium reoxidation in aquifer sediments following a reductive bioremediation treatment. American Geophysical Union Fall Meeting, December 2011.
        4. Varadharajan C., Nico P.S., Yang L., Marcus M.A, Han, R., Bill, M., Larsen, J.T., Van Hise, A., Molins, S. Steefel C., Conrad, M., Brodie E and Beller H.R. Evaluation of chromium reductive immobilization and oxidative remobilization in flow-through aquifer sediment columns. Goldschmidt, August 2011.
        5. Varadharajan C., Nico P.S., Yang L., Marcus M.A, Steefel C., Larsen J.T., Beller H.R., Brodie E. Spectroscopic analysis of chromium bioremediation products. American Geophysical Union Fall Meeting, December 2010.
        6. Varadharajan C., Tcaciuc A.P., Borja E., and Hemond H.F. Methane export from a eutrophic temperate freshwater lake. ASLO/NABS Summer Meeting, June 2010.
        7. Varadharajan C. and Hemond H.F. Analysis of high-temporal-resolution methane ebullition fluxes from a eutrophic, dimictic, freshwater lake. American Geophysical Union Fall Meeting, December 2009.
        8.  Varadharajan C., Borja E., Tcaciuc A.P. and Hemond H.F. High-temporal-resolution measurement of methane ebullition from a stratified, eutrophic lake. European Geosciences Union General Assembly, April 2009.
        9. Varadharajan C., Borja E., Tcaciuc A.P. and Hemond H.F. Temporal and spatial variation in methane bubbling from a stratified, eutrophic lake. American Geophysical Union Fall Meeting, December 2008.
        10. Varadharajan C. and Hemond H.F. Magnitude and spatio-temporal variability of methane export from a seasonally stratified, eutrophic lake. American Geophysical Union Fall Meeting, December 2007.

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