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Investigating the effect of oil spills
on the environment and public health.
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Uta Passow

University of California Santa Barbara

Marine Science Institute

University of California, Santa Barbara
Santa Barbara , CA  93106  

passow@lifesci.ucsb.edu

Project List:

Oil-Marine Snow-Mineral Aggregate Interactions and Sedimentation during the 2010 Deepwater Horizon Oil Spill

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

Aggregation and Degradation of Dispersants and Oil by Microbial Exopolymers (ADDOMEx)

Year 5-7 Consortia Grants (RFP-IV)Role: Co-Principal Investigator, Task Co-Lead

Ecosystem Impacts of Oil and Gas Inputs to the Gulf-2 (ECOGIG-2)

Year 5-7 Consortia Grants (RFP-IV)Role: Co-Principal Investigator, Task Lead

Ecosystem Impacts of Oil and Gas Inputs to the Gulf (ECOGIG)

Year 2-4 Consortia Grants (RFP-I)Role: Co-Principal Investigator, Task Lead

Publications & Presentations:

Journal Articles - 12

2016

Daly, K. L., Passow, U., Chanton, J., & Hollander, D. (2016). Assessing the impacts of oil-associated marine snow formation and sedimentation during and after the Deepwater Horizon oil spill. Anthropocene, 13, 18–33.
Joye, S. B., Bracco, A., Özgökmen, T. M., Chanton, J. P., Grosell, M., MacDonald, I. R., et al. (2016). The Gulf of Mexico ecosystem, six years after the Macondo oil well blowout. Deep Sea Research Part II: Topical Studies in Oceanography, 129, 4–19.
Passow, U. (2016). Formation of rapidly-sinking, oil-associated marine snow. Deep Sea Research Part II: Topical Studies in Oceanography, 129, 232–240.
Passow, U., & Hetland, R. (2016). What Happened to All of the Oil? Oceano, 29(3), 88–95.
Passow, U., & Ziervogel, K. (2016). Marine Snow Sedimented Oil Released During the Deepwater Horizon Spill. Oceanog, 29(3), 118–125.
Quigg, A., Passow, U., Chin, W. - C., Xu, C., Doyle, S., Bretherton, L., et al. (2016). The role of microbial exopolymers in determining the fate of oil and chemical dispersants in the ocean: Interactions of microbial exopolymers in oil and chemical dispersants. Limnol. Oceanogr., 1(1), 3–26.
Yan, B., Passow, U., Chanton, J. P., Nöthig, E., Asper, V., Sweet, J., et al. (2016). Sustained deposition of contaminants from the Deepwater Horizon spill. PNAS, 113(24), E3332–E3340.
Ziervogel, K., Dike, C., Asper, V., Montoya, J., Battles, J., D'souza, N., et al. (2016). Enhanced particle fluxes and heterotrophic bacterial activities in Gulf of Mexico bottom waters following storm-induced sediment resuspension. Deep Sea Research Part II: Topical Studies in Oceanography, 129, 77–88.
Ziervogel, K., Osburn, C., Brym, A., Battles, J., Joye, S., D'souza, N., et al. (2016). Linking Heterotrophic Microbial Activities with Particle Characteristics in Waters of the Mississippi River Delta in the Aftermath of Hurricane Isaac. Front. Mar. Sci., 3(8), 1–12.

2015

Kleindienst, S., Seidel, M., Ziervogel, K., Grim, S., Loftis, K., Harrison, S., et al. (2015). Chemical dispersants can suppress the activity of natural oil-degrading microorganisms. Proc Natl Acad Sci USA, 112(48), 14900–14905.

2014

Ziervogel, K., D'Souza, N., Sweet, J., Yan, B., & Passow, U. (2014). Natural oil slicks fuel surface water microbial activities in the northern Gulf of Mexico. Front. Microbiol., 5, 1–10.

2012

Passow, U., Ziervogel, K., Asper, V., & Diercks, A. (2012). Marine snow formation in the aftermath of the Deepwater Horizon oil spill in the Gulf of Mexico. Environmental Research letters, 7(35301), 1–11.

Conference Presentations - 37

2016

Agueda, O., Beaver, M., Xu, C., Zhang, S., Lin, P., Schwehr, K. A., et al. (2016). Relationships between surface tension and chemical composition of exopolymeric substances (EPS) in the presence of water accommodated fraction (WAF) and Corexit in two contrasting environments: open ocean versus coastal ocean. In American Chemical Society Southwest Regional Meeting 2016 (ACS SWRM-2016). Galveston, TX : 11/10/16-11/13/16.
Chanton, J., Passow, U., Bosman, S., Rogers, K., Hollander, D. J., & Montoya, J. (2016). Tracers in the Gulf: Tracing the Deepwather Horizon Oil Spill with Isotopic Analysis. In Florida American Chemical Society Meeting. Clearwater, FL : 05/05/16-05/07/16.
Chanton, J., Passow, U., Rogers, K., Montoya, J., Hollander, D. J., & Bosman, S. (2016). Tracers in the Gulf: Tracking the petrocarbon released from oil spills in the Gulf of Mexico with natural abundance radiocarbon. In American Society of Limnology and Oceanography Summer Meeting. Santa Fe, NM : 06/05/16-06/10/16.
Chanton, J., Patterson, W., Barnett, B., Tarnecki, J., Bosman, S., Mickle, A., et al. (2016). Isotopic Tracers: Documenting Ecosystem Effects of the DWH Oil Spill. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2016. Tampa, FL : 02/01/16-02/04/16.
Francis, S., & Passow, U. (2016). Modeling a mass diatom-oil sedimentation event. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2016. Tampa, FL : 02/01/16-02/04/16: Poster.
Gold-Bouchot, G., Shi, D., Sweet, S., Morales-McDevitt, M., Ramirez-Miss, N., Passow, U., et al. (2016). Analysis of Hydrocarbons in WAF and CEWAF by Fluorescence. Results of an intercalibration exercise. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2016. Tampa, FL : 02/01/16-02/04/16: Poster.
Joye, S. B., Passow, U., Montoya, J. M., Asper, V., Harrison, S. J., Sibert, R. M., et al. (2016). Sedimentation of oil-derived material to the seabed is an unrecognized fate for oil derived from natural seepage. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2016. Tampa, FL : 02/01/16-02/04/16.
Joye, S. B., Passow, U., Montoya, J. M., Asper, V., Harrison, S. J., Sibert, R. M., et al. (2016). Sedimentation of oil-derived material to the seabed is an unrecognized fate for oil derived from natural seepage. In Ocean Sciences Meeting 2016. New Orleans, LA : 02/21/16-02/26/16.
MacGregor, B., Passow, U., & Ziervogel, K. (2016). Intact Ribosomal RNA in Mercury-poisoned Sediment Trap Samples: Preservation or Growth? In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2016. Tampa, FL : 02/01/16-02/04/16: Poster.
Passow, U., Sweet, J., Genzer, J., Schwehr, K., Xu, C., Zhang, S., et al. (2016). Oil, Diatom Exudation and Marine Oil Snow. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2016. Tampa, FL : 02/01/16-02/04/16: Poster.
Xu, C., Zhang, S., Beaver, M., Lin, P., Sun, L., Schwehr, K. A., et al. (2016). Effects of Water-Accommodated Fraction (WAF) of Macondo Oil and Corexit on Formation of Marine Snow and Their Fate in Mesocosm Experiments. In American Chemical Society Southwest Regional Meeting 2016 (ACS SWRM-2016). Galveston, TX : 11/10/16-11/13/16.
Ziervogel, K., Diercks, A., Joye, S. B., Arnosti, C., Passow, U., Montoya, J. P. A. 7:A. 50., et al. (2016). Storm-induced sediment resuspension affects particle flux and bacterial activities in the deep Gulf of Mexico. In Gulf of Mexico Oil Spill and Ecosystem Science Conference 2016. Tampa, FL : 02/01/16-02/07/16: Poster.

2015

Joye, S., Passow, U., Medeiros, P., Sibert, R., Yang, T., Asper, V., et al. (2015). Rapid sedimentation, resuspension and redistribution of hydrocarbons in the wake of the Macondo Blowout. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2015. Houston, TX : 02/16/15-02/19/15.
Malkin, S., Harrison, S., Saxton, M., Loftis, K., Battles, J., Seidel, M., et al. (2015). Do Chemical Dispersants Impede or Hasten Microbial Degradation of Hydrocarbons in Surface Waters? In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2015. Houston, TX : 02/16/15-02/19/15.
Passow, U. (2015). Ocean acidification, warming and the Biological carbon pump. In PICES Meeting; Effects of climate change on the world's oceans. Santos City, Brazil : 03/21/15-03/27/15.
Quigg, A., Santschi, P., Knap, A. H., Wade, T., Chin, W. - C., Passow, U., et al. (2015). Aggregation and Degradation of Dispersants and Oil by Microbial Exopolymers (ADDOMEx). In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2015. Houston, TX : 02/16/15-02/19/15: Poster.

2014

Chanton, J., Zhao, T., Cherrier, J., Joye, S., Hollander, D., Brunner, C., et al. (2014). A radiocarbon-based determination of the flux of oil to the seafloor. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2014. Mobile, AL: 01/26/14-01/30/14: Poster.
Dike, C., Asper, V., Diercks, A., & Passow, U. (2014). Settling Velocity Of Marine Snow At A Seep Site And A Spill Site In The Northern Gulf Of Mexico. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2014. Mobile, AL: 01/26/14-01/30/14: Poster.
Kleindienst, S. S., Grim, S., Sogin, M., Seidel, M., Medeiros, P. M., Passow, U., et al. (2014). The microbial response to the Deepwater Horizon deep-sea plume. In Goldschmidt 2014 Conference. Sacramento, CA : 06/08/14-06/13/14.
MacGregor, B., & Passow, U. (2014). RNA in mercuric chloride-poisoned sediment trap material: Preservation or growth? In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2014. Mobile, AL: 01/26/14-01/30/14: Poster.
Passow, U. (2014). Formation of Oil-Associated Marine Snow: An Effective Transportation and Distribution Pathway for Spilled Oil in Marine Environments. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2014. Mobile, AL: 01/26/14-01/30/14.
Passow, U., Chanton, J., Daly, K., & Hollander, D. (2014). Marine Oil Snow Sedimentation and Flocculent Accumulation (MOSSFA). In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2014. Mobile, AL: 01/26/14-01/30/14: Poster.
Passow, U., Hollander, D., Chanton, J., & Daly, K. (2014). MOSSFA: Marine Oil Snow Sedimentation and Flocculant Accumulation. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2014. Mobile, AL: 01/26/14-01/30/14.
Passow, U., Yan, B., Chanton, J., Nathig, E., Sweet, J., Pak, D., et al. (2014). Large Sedimentation Events after the Deep Water Horizon Spill. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2014. Mobile, AL: 01/26/14-01/30/14.
Yan, B., Passow, U., Pitiranggon, M., D'Souza, N., Juhl, A., & Subramaniam, A. (2014). Apples and Oranges? Characterizing spilled and seeped oil in the GOM. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2014. Mobile, AL: 01/26/14-01/30/14.
Ziervogel, K., Sweet, J., Passow, U., Juhl, A., & Arnosti, C. (2014). Sediment resuspension in the deep Gulf of Mexico affects redistribution and transformation of (oil-rich) POM. In ASLO/AGU/TOS Ocean Sciences Meeting, Honolulu HI. Honolulu, HI : 02/23/14-02/28/14: Poster.

2013

Asper, V. L., Passow, U., & Diercks, A. (2013). Settling Velocity of Marine Snow aggregates near the sea floor at the Macondo Well site. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2013. New Orleans, LA: 01/21/2013-01/23/2013: Poster.
Asper, V. L., Passow, U., Diercks, A., & Dike, C. (2013). Settling Velocity of Marine Snow aggregates near the sea floor at the Macondo Well site. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2013. New Orleans, LA: 01/21/2013-01/23/2013.
MacGregor, B. J., Passow, U., Asper, V., & Diercks, A. (2013). Stable carbon isotopes of ribosomal RNA as a tracer for microbial growth substrates: First data from Gulf of Mexico sediment traps. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2013. New Orleans, LA: 01/21/2013-01/23/2013: Poster.
Passow, U. (2013). Marine Snow and Aggregates: What is all the excitement about? In Ocean Sciences Meeting 2013. New Orleans, LA : 02/17/13-02/22/2013.
Passow, U. (2013). Marine snow as drivers for oil transformation. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2013. New Orleans, LA: 01/21/2013-01/23/2013.
Ziervogel, K., Passow, U., Sweet, J., & Arnosti, C. (2013). Marine snow and associated microbial processes as drivers for oil transformation in surface Gulf of Mexico waters. In Ocean Sciences Meeting 2013. New Orleans, LA : 02/17/13-02/22/2013.
Ziervogel, K., Passow, U., Sweet, J., D'Souza, N., & Arnosti, C. (2013). Marine snow and associated microbial processes as drivers for oil transformation in surface Gulf of Mexico waters. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2013. New Orleans, LA: 01/21/2013-01/23/2013.
Ziervogel, K., Passow, U., Sweet, J., D'Souza, N., & Arnosti, C. (2013). Marine snow and associated microbial processes as drivers for oil transformation in surface Gulf of Mexico waters. In Gulf of Mexico Oil Spill & Ecosystem Conference. New Orleans, LA, January 20-23, 2013.

2011

Montoya, J. P., Subramaniam, A., Asper, V., Diercks, A., Passow, U., Crepo-Medina, M., et al. (2011). Deepwater Horizon oil and pelagic foodwebs in the Northern Gulf of Mexico. In Coastal and Estuarine Research Federation Conference. Daytona Beach, FL, November 6-10, 2011.
Passow, U. (2011). Formation of Large Mucusy Marine Snow Like Flocks: The Mystery of the Slime Highway. In Deepwater Horizon Oil Spill Principal Investigator Conference. St. Petersburg, FL, October 25-26, 2011: Poster.
Passow, U. (2011). Introduction to ECOGIG. In NOAA Coastal Response Research Center: Oil Spill Research – A Forum. Baton Rouge, Baton Rouge, LA, January, 10-11, 2012.