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Investigating the effect of oil spills
on the environment and public health.
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Ajit Subramaniam

Columbia University

Lamont-Doherty Earth Observatory (LDEO)

PO Box 1000
61 Route 9W
Palisades , NY  10964  

ajit@ldeo.columbia.edu

Project List:

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

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

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

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

Publications & Presentations:

Journal Articles - 3

2016

Cardona, Y., Bracco, A., Villareal, T. A., Subramaniam, A., Weber, S. C., & Montoya, J. P. (2016). Highly variable nutrient concentrations in the Northern Gulf of Mexico. Deep Sea Research Part II: Topical Studies in Oceanography, 129, 20–30. doi
D'souza, N. A., Subramaniam, A., Juhl, A. R., Hafez, M., Chekalyuk, A., Phan, S., et al. (2016). Elevated surface chlorophyll associated with natural oil seeps in the Gulf of Mexico. Nature Geosci, 9(3), 215–218. doi

2012

Paris, C. B., Le Henaff, M., Aman, Z. M., Subramaniam, A., Helgers, J., Wang, D. - P., et al. (2012). Evolution of the Macondo Well Blowout: Simulating the Effects of the Circulation and Synthetic Dispersants on the Subsea Oil Transport. Environ. Sci. Technol., 46(24), 13293–13302. doi

Conference Presentations - 33

2020

Gates, H. G., Montoya, J. P., Fargher, H., Juhl, A. R., & Subramaniam, A. (2020). Using an Autonomous Biogeochemical Profiling Float to Determine the Effect of Natural Hydrocarbon Seeps and a Tropical Depression on the Gulf of Mexico System. In Ocean Sciences Meeting 2020. San Diego, CA : 02/16/20-02/21/20: Poster. openurl

2019

Stock, A., & Subramaniam, A. (2019). Satelite remote sensing of phytoplankton diagnostic pigment in the northern Gulf of Mexico. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2019. New Orleans, LA : 02/04/19-02/07/19. openurl
Stock, A., & Subramaniam, A. (2019). Comparison of potential gap-filling algorythems for satellite data in the Gulf of Mexico. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2019. New Orleans, LA : 02/04/19-02/07/19: Poster. openurl
Subramaniam, A., Juhl, A., Aleman, M., Klotz, V., Ramcharitar, B., & Montoya, J. P. (2019). Biogeography of phytoplankton community structure in the northern Gulf ofMexico. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2019. New Orleans, LA : 02/04/19-02/07/19: Poster. openurl

2018

Stock, A., & Subramaniam, A. (2018). Satellite remote sensing of phytoplankton biomarker pigments: a statistical learning approach. In Symposium on Oceanographic Data Analytics. Trondheim, Norway : 11/27/18-11/30/18: Poster. openurl
Stock, A., Subramaniam, A., Arrigo, K., Micheli, F., Wedding, L., Cameron, M., et al. (2018). Comparison of cloud-filling algorithms for ocean color data. In Symposium on Oceanographic Data Analytics. Trondheim, Norway : 11/27/18-11/30/18: Poster. openurl
Subramaniam, A., Juhl, A. R., Montoya, J. P., & Aleman, M. (2018). Role of Natural Hydrocarbon Seeps in Structuring the Microbial Community in the Northern Gulf of Mexico. In Ocean Sciences Meeting 2018. Portland, OR : 02/11/18-02/16/18: Poster. openurl

2017

Juhl, A. R., Subramaniam, A., & Montoya, J. P. (2017). Interactions between bacterial breakdown of oil, oxygen consumption and macronutrient availability in the offshore Gulf of Mexico. In ASLO 2017 Aquatic Sciences Meeting. Honolulu, HI : 02/26/17-03/03/17: Poster. openurl
Markey, K. C., Pitiranggon, M., Juhl, A., Yan, B., & Subramaniam, A. (2017). Where the oil from surface and subsurface plumes deposited during/after Deepwater Horizon oil spill? In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2017. New Orleans, LA : 02/06/17-02/09/17. openurl
Subramaniam, A., Juhl, A., Bracco, A., & Montoya, J. P. (2017). Remote Sensing Phytoplankton Functional Types in the Northern Gulf of Mexico: Fact or Fiction. In ASLO 2017 Aquatic Sciences Meeting. Honolulu, HI : 02/26/17-03/03/17: Poster. openurl
Subramaniam, A., Juhl, A., Bracco, A., & Montoya, J. P. (2017). Remote Sensing Phytoplankton Functional Types in the Northern Gulf of Mexico. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2017. New Orleans, LA : 02/06/17-02/09/17: Poster. openurl

2016

D'Souza, N., Weber, S. C., Subramaniam, A., Juhl, A., & Montoya, J. P. (2016). Changes in Phytoplankton Communities in Response to Oil and Nutrients in the Northern Gulf of Mexico. In Gulf of Mexico Oil Spill and Ecosystem Science Conference 2016. Tampa, FL : 02/01/16-02/07/16: Poster. openurl
D'Souza, N., Weber, S. W., Subramaniam, A., Juhl, A., Montoya, J. P., & Chanton, J. P. (2016). Changes in Microbial and Phytoplankton Communities in Response to Oil and Nutrients in the Northern Gulf of Mexico: Correlating Experiments With Field Observations. In Ocean Sciences Meeting 2016. New Orleans, LA : 02/21/16-02/26/16: Poster. openurl
Subramaniam, A., Juhl, A., D'Souza, N., Weber, S. C., & Montoya, J. P. (2016). Biogeography of Phytoplankton Community Structure in the Northern Gulf of Mexico. In Ocean Sciences Meeting 2016. New Orleans, LA : 02/21/16-02/26/16: Poster. openurl
Subramaniam, A., Juhl, A., D'Souza, N., Weber, S. C., Montoya, J. P., & Jenkins, R. (2016). Use of Autonomous Platforms to Study the Hydrography around Natural Hydrocarbon Seeps in the Gulf of Mexico. In Gulf of Mexico Oil Spill and Ecosystem Science Conference 2016. Tampa, FL , : 02/01/16-02/07/16: Poster. openurl
Weber S.C., D'Souza, N., Subramaniam, A., Juhl, A., & Montoya, J. P. (2016). Release from limitation: Exploring phytoplankton nutrient limitation and community shifts in the Gulf of Mexico. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2016. Tampa, FL : 02/01/16-02/04/16: Poster. openurl

2015

Bracco, A., Cardona, Y., Villareal, T., Subramaniam, A., Weber, S., & Montoya, J. (2015). Nutrient Concentrations Along The River Plume Salinity Gradient In The Northern Gulf of Mexico Over The Past 30 Years. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2015. Houston, TX : 02/16/15-02/19/15: Poster. openurl
D'souza, N., Juhl, A., Subramaniam, A., Hafez, M., Chekalyuk, A., Phan, S., et al. (2015). Why Is Chlorophyll Elevated Near Natural Seeps In The Gulf Of Mexico? Evidence For Bottom-Up, And Top-Down Controls On Planktonic Microbes. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2015. Houston, TX : 02/16/15-02/19/15. openurl

2014

D'souza, N., Juhl, A., Ziervogel, K., Bullock, K., Yan, B., & Subramaniam, A. (2014). Synergy of Oil, Nutrients, and Predation in Influencing Planktonic Processes in the Gulf of Mexico. In ASLO/AGU/TOS Ocean Sciences Meeting, Honolulu HI. Honolulu, HI : 02/23/14-02/28/14: Poster. openurl
D'souza, N., Subramaniam, A., Juhl, A., Hafez, M., Chekalyuk, A., Yan, B., et al. (2014). Multiple lines of evidence for elevated phytoplankton pigments near natural oil seeps 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. openurl
Weber, S. C., Garcia, B., Joye, S. B., Subramaniam, A., & Montoya, J. P. (2014). The influence of oil and gas from spills and seeps on particle and zooplankton biogeochemistry in the Northern Gulf of Mexico. In Ocean Sciences Meeting 2014. Honolulu, HI : 02/23/14-02/28/14: Poster. openurl
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. openurl
Yan, B., Pitiranggon, M., D'Souza, N., Juhl, A., & Subramaniam, A. (2014). Fingerprinting Hydrocarbons In Gom Using Sensitive Hydrocarbon Source Indicators. In ASLO/AGU/TOS Ocean Sciences Meeting, Honolulu HI. Honolulu, HI : 02/23/14-02/28/14: Poster. openurl

2013

Montoya, J. P., Weber, S. C., Subramaniam, A., Juhl, A., Villareal, T. A., Bracco, A., et al. (2013). Rates and fates of nitrogen and carbon in the water column: impact of seeps and spills on plankton biogeochemistry. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2013. New Orleans, LA: 01/21/2013-01/23/2013. openurl
Palomo, C. M., Pitiranggon, M., Yan, B., Dsouza, N., Juhl, A., & Subramaniam, A. (2013). During and Post GOM Deepwater Horizon Oil Spill: A Time Series Analysis of Variations in Spilled Hydrocarbons. In AGU Fall Meeting. San Francisco, CA, December 9, 2013. openurl
Subramaniam, A., Phan, S., & Macdonald, I. R. (2013). Impact of Natural Oil Seeps on Phytoplankton in the Gulf of Mexico. In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2013. New Orleans, LA: 01/21/2013-01/23/2013. openurl
Weber, S. C., Subramaniam, A., Crespo-Medina, M., Joye, S. B., Bracco, A., Villareal, T. A., et al. (2013). Spills, seeps, and pelagic foodwebs in the Northern Gulf of Mexico: What do stable isotopes tell us about oil, gas, and discolored zooplankton? In Gulf of Mexico Oil Spill & Ecosystem Science Conference 2013. New Orleans, LA: 01/21/2013-01/23/2013. openurl

2012

Berelson, W., & Subramaniam, A. (2012). Low Latitude Riverine Influence and Impact on Ocean Biogeochemistry. In Ocean Sciences Meeting 2012. Salt Lake City, UT: 02/19/12-02/24/12. url
Montoya, J. P., Subramaniam, A., Crespo-Medina, M., Bracco, A., Villareal, T. A., & Joye, S. B. (2012). The Deepwater Horizon oil spill and pelagic foodwebs in the Northern Gulf of Mexico: What do elements and isotopes tell us about oil, plumes, and zooplankton? In Ocean Sciences Meeting 2012. Salt Lake City, UT: 02/19/12-02/24/12. url
Paris, C. B., Le Henaff, M., Aman, Z. M., Helgers, J., Wang, D. P., Subramaniam, A., et al. (2012). Three-dimensional evolution of the Macondo well blowout: a nested numerical approach to the transport of oil. In Ocean Sciences Meeting 2012. Salt Lake City, UT: 02/19/12-02/24/12. url
Subramaniam, A., Villareal, T. A., Bracco, A., & Montoya, J. P. (2012). Characterizing the 2011 Great Flood Plume of the Mississippi River. In Ocean Sciences Meeting 2012. Salt Lake City, UT: 02/19/12-02/24/12: Poster. url
Ward, E., & Subramaniam, A. (2012). What happened to all of the oil? Chasing oxygen anomolies in the Gulf of Mexico. In Ocean Sciences Meeting 2012. Salt Lake City, UT: 02/19/12-02/24/12: Poster. url

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. url
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