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Investigating the effect of oil spills
on the environment and public health.
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Christoph Aeppli

Bigelow Laboratory for Ocean Sciences

Research

180 McKown Point Road
West Boothby Hbr, ME  04575  

caeppli@bigelow.org

Project List:

The State-of-the-Art Unraveling of the Biotic and Abiotic Chemical Evolution of Macondo Oil: 2010-2018.

Year 6-8 Investigator Grants (RFP-V)Role: Co-Principal Investigator

Deepsea to Coast Connectivity in the Eastern Gulf of Mexico (DEEP-C)

Year 2-4 Consortia Grants (RFP-I)Role: Post-Doc

Collection and Analysis of Oiled Sand Patties along the Gulf Coast

Bridge Grants (RFP-III)Role: Post-Doc

Publications & Presentations:

Journal Articles - 16

2019

Ward, C. P., Sharpless, C. M., Valentine, D. L., Aeppli, C., Sutherland, K. M., Wankel, S. D., & Reddy, C. M. (2019). Oxygen Isotopes (δ<sup>18</sup>O) Trace Photochemical Hydrocarbon Oxidation at the Sea Surface. Geophysical Research Letters, 46(12), 6745-6754.

2018

Aeppli, C., Swarthout, R. F., O’Neil, G. W., Katz, S. D., Nabi, D., Ward, C. P., Nelson, R. K., Sharpless, C. M., & Reddy, C. M. (2018). How Persistent and Bioavailable Are Oxygenated <i>Deepwater Horizon</i> Oil Transformation Products?. Environmental Science &amp; Technology, 52(13), 7250-7258.
Bostic, J. T., Aeppli, C., Swarthout, R. F., Reddy, C. M., & Ziolkowski, L. A. (2018). Ongoing biodegradation of Deepwater Horizon oil in beach sands: Insights from tracing petroleum carbon into microbial biomass. Marine Pollution Bulletin, 126, 130-136.
Ward, C. P., Sharpless, C. M., Valentine, D. L., French-McCay, D. P., Aeppli, C., White, H. K., Rodgers, R. P., Gosselin, K. M., Nelson, R. K., & Reddy, C. M. (2018). Partial Photochemical Oxidation Was a Dominant Fate of <i>Deepwater Horizon</i> Surface Oil. Environmental Science &amp; Technology, 52(4), 1797-1805.

2016

White, H. K., Wang, C. H., Williams, P. L., Findley, D. M., Thurston, A. M., Simister, R. L., Aeppli, C., Nelson, R. K., & Reddy, C. M. (2016). Long-term weathering and continued oxidation of oil residues from the Deepwater Horizon spill. Marine Pollution Bulletin, 113(1-2), 380-386.

2015

Koolen, H. H. F., Swarthout, R. F., Nelson, R. K., Chen, H., Krajewski, L. C., Aeppli, C., McKenna, A. M., Rodgers, R. P., & Reddy, C. M. (2015). Unprecedented Insights into the Chemical Complexity of Coal Tar from Comprehensive Two-Dimensional Gas Chromatography Mass Spectrometry and Direct Infusion Fourier Transform Ion Cyclotron Resonance Mass Spectrometry. Energy &amp; Fuels, 29(2), 641-648.

2014

Aeppli, C., Nelson, R. K., Carmichael, C. A., Valentine, D. L., & Reddy, C. M. (2014). BIOTIC AND ABIOTIC OIL DEGRADATION AFTER THE DEEPWATER HORIZON DISASTER LEADS TO FORMATION OF RECALCITRANT OXYGENATED HYDROCARBONS: NEW INSIGHTS USING GC×GC. International Oil Spill Conference Proceedings, 2014(1), 1087-1098.
Aeppli, C., Nelson, R. K., Radović, J. R., Carmichael, C. A., Valentine, D. L., & Reddy, C. M. (2014). Recalcitrance and Degradation of Petroleum Biomarkers upon Abiotic and Biotic Natural Weathering of <i>Deepwater Horizon</i> Oil. Environmental Science &amp; Technology, 48(12), 6726-6734.
Gros, J., Reddy, C. M., Aeppli, C., Nelson, R. K., Carmichael, C. A., & Arey, J. S. (2014). Resolving Biodegradation Patterns of Persistent Saturated Hydrocarbons in Weathered Oil Samples from the <i>Deepwater Horizon</i> Disaster. Environmental Science &amp; Technology, 48(3), 1628-1637.
McKenna, A. M., Williams, J. T., Putman, J. C., Aeppli, C., Reddy, C. M., Valentine, D. L., Lemkau, K. L., Kellermann, M. Y., Savory, J. J., Kaiser, N. K., Marshall, A. G., & Rodgers, R. P. (2014). Unprecedented Ultrahigh Resolution FT-ICR Mass Spectrometry and Parts-Per-Billion Mass Accuracy Enable Direct Characterization of Nickel and Vanadyl Porphyrins in Petroleum from Natural Seeps. Energy &amp; Fuels, 28(4), 2454-2464.
McKenna, A. M., Williams, J. T., Putman, J. C., Aeppli, C. M., Reddy, C. M., Valentine, D. L., Lemkau, K. T., Kellermann, M. Y., Savory, J. T., Kaiser, N. K., Marshall, A. G., & Rodgers, R. P. (2014). Biodegradation at the Seafloor: Ultrahigh Resolution FT-ICR Mass Spectral Characterization of Natural Petroleum Seeps. International Oil Spill Conference Proceedings, 2014(1), 2083-2097.
Radović, J. R., Aeppli, C., Nelson, R. K., Jimenez, N., Reddy, C. M., Bayona, J. M., & Albaigés, J. (2014). Assessment of photochemical processes in marine oil spill fingerprinting. Marine Pollution Bulletin, 79(1-2), 268-277.
Ruddy, B. M., Huettel, M., Kostka, J. E., Lobodin, V. V., Bythell, B. J., McKenna, A. M., Aeppli, C., Reddy, C. M., Nelson, R. K., Marshall, A. G., & Rodgers, R. P. (2014). Targeted Petroleomics: Analytical Investigation of Macondo Well Oil Oxidation Products from Pensacola Beach. Energy &amp; Fuels, 28(6), 4043-4050.

2013

Aeppli, C., Reddy, C. M., Nelson, R. K., Kellermann, M. Y., & Valentine, D. L. (2013). Recurrent Oil Sheens at the <i>Deepwater Horizon</i> Disaster Site Fingerprinted with Synthetic Hydrocarbon Drilling Fluids. Environmental Science &amp; Technology, 47(15), 8211-8219.
Hall, G. J., Frysinger, G. S., Aeppli, C., Carmichael, C. A., Gros, J., Lemkau, K. L., Nelson, R. K., & Reddy, C. M. (2013). Oxygenated weathering products of Deepwater Horizon oil come from surprising precursors. Marine Pollution Bulletin, 75(1-2), 140-149.

2012

Aeppli, C., Carmichael, C. A., Nelson, R. K., Lemkau, K. L., Graham, W. M., Redmond, M. C., Valentine, D. L., & Reddy, C. M. (2012). Oil Weathering after the <i>Deepwater Horizon</i> Disaster Led to the Formation of Oxygenated Residues. Environmental Science &amp; Technology, 46(16), 8799-8807.

Conference Presentations - 53

2018

Aeppli, C. K., S.; Beirne, E. N., & D (2018). New Methods to Determine the Toxicity of Oxygenated Oil Transformation Products in Weathered Deepwater Horizon Oil Residues. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2018
Beirne, E. K., S.; Clark, B. N., D.; Ricker, R. B., & G.; Aeppli, C. (2018). Exposure and Uptake of Oil Hydrocarbons and Oxygenated Oil Weathering Products in Fish Egg Incubation Experiments Using Weathered Oil. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2018
Chen, H. K., & S.; Aeppli, C. (2018). Copepods toxicity of photo-irradiated oil: the role of PAHs and oxygenated photo-products. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2018
Forziati, N. N., & D.; Aeppli, C. (2018). Determining the Acute and Sublethal Toxicity of Oxygenated Hydrocarbons in Weathered Oil. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2018
Ward, C. S., C.M.; Aeppli, C. V., D.L.; French-McCay, D. W., H.; Rodgers, R. G., K.M.; Nelson, R. R., & C.M (2018). Partial photochemical oxidation was a dominant fate of Deepwater Horizon surface oil. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2018

2017

Herzog, A. A., & C (2017). Linking chemical composition to toxicity of fresh and weathered oil samples collected from the 2010 Gulf of Mexico oil spill. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2017
Katz, S. N., & D.; Aeppli, C. (2017). Dynamics of carboxylic acids produced in weathered Deepwater Horizon oil samples and their water solubility. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2017
Lemkau, K. A., C.; Carmichael, C. R., C.; Swarthout, R. W., & H (2017). Lessons Learned from Hurricane Isaac, 2012: False Positives and Weathering of Oil from the Deepwater Horizon spill. In Goldschmidt 2017
Nabi, D. K., & S.D.; Aeppli, C. (2017). Are Oxygenated Hydrocarbons Important Oil Degradation Products After Oil Spills?. In International Oil Spill Conference 2017
Nabi, D. K., & S.D.; Aeppli, C. (2017). Identification of oxygenated transformation products in weathered Deepwater Horizon oil samples and assessment of their bioaccumulation and toxicity potential. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2017
Nabi, D. Z., Y.; Samanipour, S. A., F.; Arey, J. A., & C (2017). Passive sampling and GCxGC: When two marry to give better understanding of transport behaviour and fate of micropollutants in environmental waters. In 9th International Passive Sampling Workshop and Symposium
Reddy, C. G., K.; Nelson, R. S., S.; Aeppli, C. S., & C.; Valentine D.A (2017). A Biogenic Input of Heptadecane in Surface Waters Prior to and during the Anthropocene. In Goldschmidt 2017

2016

Aeppli, C. P., R.; Radovic, J. R., & C (2016). Prevalence of oxygenated hydrocarbon as oil degradation products after oil spills. In Ocean Sciences Meeting 2016
Chen, H. A., C.; Valentine, D. N., R.K.; Reddy, C. K., M.; Rodgers, R. M., & A.G.; McKenna, A. (2016). Natural seeps versus human spill: Characterization and comparison of DWH weathered oil with natural petroleum seeps by ultrahigh resolution FT-ICR mass spectrometry. In Ocean Sciences Meeting 2016
Green, H. F., S.A.; Meyer, A. J., P.; Aeppli, C. N., R.K.; Gosselin, K. S., R.F.; White, H. V., & D.L.; Reddy, C. (2016). Tar balls collected in the North Atlantic over the past two decades vary substantially. In 2016 American Geophysical Union Fall Meeting
Rodgers, R. R., & C.M.; Aeppli, C. (2016). The state-of-the-art unraveling of the biotic and abiotic chemical evolution of Macondo Oil: 2010-2018. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2016
Sharpless, C. S., O.; Walters, M. S., R.; Aeppli, C. R., & C (2016). Comparison of photooxidation rates and patterns in glass- and water-based oil slick experiments with daily weathering observed in the Gulf of Mexico. In 251th American Chemical Society National Meeting
Sharpless, C. S., O.C.; Walters, M. S., R.F.; Aeppli, C. V., & D.L.; Reddy, C. (2016). Comparison of experimental photooxidation rates and patterns in glass- and water-based oil slicks with daily weathering observed in the Gulf of Mexico. In Ocean Sciences Meeting 2016

2015

Krajewski, L. C., H.; Corilo, Y. R., R.P.; Reddy, C. L., K.; Aeppli, C. S., & R.F.; McKenna, A. (2015). Compositional Comparison of Weathering Trends for Four Different Spills Reveal the Unique Chemical Signature of Deepwater Horizon Oil Contamination. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2015
Krajewski, L. C., H.; Rodgers, R. R., C.M.; Lemkau, K. A., C.; Swarthout, R. M., & A.G.; McKenna, A. (2015). Compositional Comparison of Weathering Trends for Four Different Oil Spills Determined by Ultrahigh Resolution FT-ICR Mass Spectrometry. In 63rd ASMS Conference on Mass Spectrometry and Allied Topics
Marshall, A. C., Y.E.; Lobodin, V. K., L.C.; Aeppli, C. R., C.M.; Nelson, R. R., & R.P (2015). Anatomy of an Oil Spill and its Subsequent Chemical Evolution by Ultrahigh-Resolution Fourier Transform Ion Cyclotron Resonance Mass Spectrometry. In EnviroAnalysis 2015
McKenna, A. C., H.; Krajewski, L. C., Y.E.; Aeppli, C. R., J.; Putman, J. R., R.P.; Swarthout, R. R., C.M.; Kellerman, M. V., & D.L (2015). Molecular-level identification of metal-containing compounds from oil contamination released from natural seeps and anthropogenic spill. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2015
McKenna, A. C., H.; Krajewski, L. C., Y.E.; Aeppli, C. R., J.; Putman, J. R., R.P.; Swarthout, R. R., C.M.; Kellerman, M. V., & D.L (2015). Oil-Dispersants-Sediment Interactions and Weathering/Degradation of Spilled Oil in Gulf of Mexico Ecosystems. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2015
Reddy, C. N., R.; Koolen, H. S., R.; Aeppli, C. S., C.; Stewart, O. R., J.; Valentine, D. H., G.; O'Neil, G. M., A.; Chen, H. K., & L.; Rodgers, R. (2015). The Oxidation of Macondo well oil: An update and vision. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2015

2014

Aeppli, C. N., R.K.; Carmichael, C. V., & D.L.; Reddy, C. (2014). Formation of recalcitrant oxygenated hydrocarbons by natural weathering after the Deepwater Horizon disaster. In 2014 International Oil Spill Conference
Aeppli, C. N., R.K.; Kinnaman, F. V., & D.L.; Reddy, C. (2014). Identification of microbial and abiotic degradation of Macondo Well oil at the sea surface and on beaches. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2014
Carmichael, C. N., R.K.; Aeppli, C. R., & C.M (2014). Building a comprehensive sample repository to track the long-term impacts of the Macondo well oil spill: An opportunity to engage Citizen Scientists. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2014
Gros, J. R., C.M.; Aeppli, C. N., R.K.; Carmichael, C. A., & J.S (2014). A new biodegradation index for weathered oils based on saturated hydrocarbons: insights from the Deepwater Horizon disaster. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2014
Gros, J. A., J. S;Reddy, C. M. A., C; Nelson, R. K. C., & C. A (2014). Developing a new saturates biodegradation index for weathered oils, based on samples from the Deepwater Horizon disaster. In Society of Environmental Toxicology and Chemistry (SETAC) Europe - 2014 24th Annual Meeting
Irvine, G. M., D.H.; Carls, M. R., C.M.; Nelson, R. A., & C (2014). Slightly weathered oil from the Exxon Valdez spill persists on rocky Gulf of Alaska shores after 23 years. In Alaska Marine Science Symposium
James, B. R., C.M.; Aeppli, C. C., & C.A.; Nelson, R. (2014). Variability in the hydrocarbon composition of oil films on rocks along the Gulf coast. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2014
Kellerman, M. R., M.C.; Reddy, C. A., C.; Nelson, R. V., & D.L (2014). Oil sheen weathering post-Deepwater Horizon. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2014
Kellermann, M. L., K.L.; Reddy, C. A., C.; Nelson, R. V., & D.L (2014). Chasing early chemical changes in surface oil slicks. In Goldschmidt 2014 Conference
Nelson, R. A., C.; Carmichael, C. R., & C.M (2014). High resolution forensic analysis of surface sheens helps pinpoint source of oil leakage from the Deepwater Horizon. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2014
Nelson, R. A., & C.; Reddy, C. (2014). High resolution forensic analysis of surface sheens helps pinpoint source of oil leakage from the Deepwater Horizon. In 2014 International Oil Spill Conference
Prince, R. B., J.; Nelson, R. R., & C.M.; Aeppli, C. (2014). NEBA of dispersant use should consider persistent residues formed by competing weathering processes. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2014
Reddy, C. A., & C (2014). Oil spill fingerprinting: Now and the future. In U.S. Coast Guard's National Pollution Funds Center (NPFC)
Worton, D. Z., H.; Aeppli, C. R., C.M.; Gouw, J., ; Wilson, K. G., & A.H (2014). Comprehensive characterization of the formerly 'Unresolved Complex Mixture' reveals evolution of chemical composition during weathering of crude oil in the Gulf Of Mexico. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2014

2013

Aeppli, C. C., C.A.; Nelson, R. V., D.L.; Arakawa, N. A., & L.I.; Reddy, C. (2013). Characterization of oxygenated hydrocarbons formed upon oil weathering after the Deepwater Horizon disaster. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2013
Aeppli, C. K., M.; Valentine, D. L., T.D.; Nelson, R. R., & C.M (2013). Oil spill vs. natural seepage: Contrasting weathering characteristics of oil from the Macondo well and Southern California oil seeps. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2013
Carmichael, C. J., B.D.; Aeppli, C. N., R.K.; Murphy, E. R., & J.; Reddy, C. (2013). Variability in oiled sand-patties collected: How different are samples collected within meters on a beach?. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2013
Hall, G. F., G.S.; Aeppli, C. C., C.A.G, J. L., K.L.; Nelson, R. R., & C.M (2013). Precursors of oxygenated hydrocarbons in weathered oil identified by comprehensive two-dimensional chromatography and chemometric analysis. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2013
Kellerman, M. R., M.C.; Reddy, C. . A., C.; Nelson, R. . V., & D.L (2013). Oil sheen weathering post Deepwater Horizon. In American Geophysical Union Fall Meeting
Main, C. N., R.K.; Aeppli, C. C., C.A.; Lemkau, K. R., & C.M (2013). Comparing laboratory- and field-weathered oil from the Macondo well. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2013
McKenna, A. L., K.T.; Aeppli, C. C., C.A.; Valentine, D. R., C.M.; Nelson, R. C., Y.E.; Marshall, A. R., & B.M.; Rodgers, R. (2013). Expanding the Analytical Window of Oil Spill Characterization by FT-ICR Mass Spectrometry: From the Reservoir to the Beach. In American Chemical Society National Meeting
Nelson, R. C., C.A.; Radovic, J. A., C.; Main, C. R., & C.M (2013). Advanced petroleum fingerprinting using comprehensive two-dimensional gas chromatography (GCxGC). In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2013
Radovic, J. A., C.; Nelson, R. D., S.; Bayona, J. A., & J.; Reddy, C. (2013). Assessment of photochemical processes in marine oil spill fingerprinting. In EuCheMS International Conference on Chemistry and the Environment ICCE
Radovic, J. A., C.; Nelson, R. D., S.; Bayona, J. R., & C.M (2013). Photooxidation of triaromatic steroids in Macondo well oil. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2013
Ruddy, B. H., M.; Kostka, J. L., V.V.; Bythell, B. M., A.M.; Aeppli, C. N., R.K.; Reddy, C. M., & A.G.; Rodgers, R. (2013). New Insights into the Weathering of Macondo Well Oil: Analysis of Contaminated Sands from Pensacola Beach. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2013

2012

Aeppli, C. V., D.L.; Arakawa, N. A., L.; Redmond, M. N., & R.K.; Reddy, C. (2012). Oxygenation of petroleum hydrocarbons after the Deepwater Horizon disaster. In AGU Annual Meeting
Valentine, D. R., M.C.; Mendes, S. A., C.; Reddy, C. R., & T. B (2012). Hydrocarbon biodegradation following the Deepwater Horizon: A compound specific point of view. In AGU Annual Meeting

2011

Aeppli, C. (2011). Characterizing Weathering Processes of Deepwater Horizon oil. In WHOI Post-doctoral Scientist Symposium
Aeppli, C.A..; Carmichael.; Nelson, R. R., & C.M (2011). Identifying and Characterizing a Polar and Recalcitrant Fraction in Weathered Macondo 252 Well Oil. In Society of Environmental Toxicology and Chemistry (SETAC) Meeting