Ph.D. Oceanography – Applied Ocean Science, June 2015
Scripps Institution of Oceanography, UC San Diego, CA
Thesis: “Novel Marine Inorganic Carbon System Sensors for the Anthropocene”

M.S. Oceanography – Applied Ocean Science, December 2010
Scripps Institution of Oceanography, UC San Diego, CA

B.S. Chemical Engineering Summa Cum Laude, May 2008
Lehigh University, Bethlehem, PA


2016 – present: Research & Development Engineer, Scripps Institution of Oceanography
2015 – 2016: Environmental Scientist, San Francisco Estuary Institute
2009 – 2015: Graduate Research Asst., Scripps Institution of Oceanography


2017: NSF-OTIC Award 1736905: Collaborative Research:
Self-Calibrating pH Sensors for Autonomous Collection of Climate Quality Data
2017: UC San Diego Triton Innovation Challenge Finalist
2017: Gift from the Lost Bird Project to lab of Prof. Todd Martz, primarily under my management
2014: UC Ship Funds awardee and Chief Scientist on the R/V Sproul
2014: Dissertations Symposium in Chemical Oceanography XXIV Invitee
2014: Best Talk at Scripps Student Symposium
2014: Best Student Video in Scripps Climate, Ocean, and Atmosphere Program
2013 – 14: Scripps Community Outreach Program for Education most frequent volunteer
2010 – 13: National Defense Science & Engineering Graduate Fellowship
2008 – 09: Elizabeth Nevius Award & Lehigh University President’s Scholarship
2008: Lehigh University Chandler Prize in Chemistry & Chemical Engineering


last updated Spring 2018

Bresnahan, P.J., Martz, T.R. (2018). Gas Diffusion Cell Geometry for a Microfluidic Dissolved Inorganic Carbon Analyzer. IEEE Sensors Journal, DOI:10.1109/JSEN.2018.2794882.

Bresnahan, P.J., Martz, T.R., Almeida, J., Ward, B., & Maguire, P. (2017). Looking Ahead: A Profiling Float Micro-Rosette. Oceanography, 30. DOI:10.5670/oceanog.2017.215.

Brewin, R.J.W., Hyder, K., Andersson, A.J., Billson, O., Bresnahan, P.J., Brewin, T.G., Cyronak, T. et al. (2017). Expanding Aquatic Observations through Recreation. Frontiers in Marine Science, 4(351). DOI:10.3389/fmars.2017.00351.

Kapsenberg, L., Bockmon, E.E., Bresnahan, P.J., Kroeker, K.J., Gattuso, J.-P., Martz, T.R. (2017). Advancing Ocean Acidification Biology Using Durafet® pH Electrodes. Frontiers in Marine Science, Technology Report 4(321). DOI:10.3389/fmars.2017.00321.

Bresnahan, P.J., Wirth, T., Martz, T.R., Andersson, A., Cyronak, T., D’Angelo, S., Pennise, J., Melville, W.K., Lenain, L., Statom, N. (2016), A sensor package for mapping pH and oxygen from mobile platforms. Methods in Oceanography. DOI:10.1016/j.mio.2016.04.004.

Martz, T.R., Send, U., Ohman, M.D., Takeshita, Y., Bresnahan, P.J., Kim, H.-J., Nam, S. (2014). Dynamic variability of biogeochemical ratios in the Southern California Current System. Geophysical Research Letters., 41(7). DOI:10.1002/2014gl059332.

Bresnahan, P.J., Martz T.R., Takeshita Y., Johnson K.S., LaShomb M. (2014), Best practices for autonomous measurement of seawater pH with the Honeywell Durafet. Methods in Oceanography. DOI:10.1016/j.mio.2014.08.003. [Most cited article in Methods in Oceanography as of Dec 27, 2017.]


Bresnahan, P.J., Cyronak, T., Martz, T.R., Andersson, A., Waters, S., Stern, A., Richard, J., Hammond, K., Griffin, J., Thompson, B. (2017). Engineering a Smartfin for surf-zone oceanography, in OCEANS 2017, Anchorage, Alaska, 2017, pp. 1-4.

Trowbridge, P., Shimabuku, I., Bresnahan, P.J., Nielsen, K., Largier, J., Sutula, M., Valiela, L., Nutters, H., Wheeler, S., Knight, E. (2017). Summary of Workshop on Monitoring for Acidification in West Coast Estuaries: A San Francisco Bay Case Study. Richmond, CA.

Lorenzoni, L., Telszewski, M., Benway, H., Palacz, A. P., eds. (2017). A user’s guide for selected autonomous biogeochemical sensors. An outcome from the 1st IOCCP International Sensors Summer Course. Contributing author.

Bresnahan, P.J., Jabusch, T., Senn, D., Trowbridge, P., Salomon, M., Novick, E., An empirical investigation of spatiotemporal patterns in dissolved inorganic macronutrients in the Sacramento–San Joaquin River Delta. Chapter in report: Summary and Evaluation of Delta Subregions for Nutrient Monitoring and Assessment Jabusch, T., Bresnahan, P.J., Trowbridge, P., Novick, E., Wong, A., Salomon, M., Senn, D., Eds. San Francisco Estuary Institute: Richmond, CA, 2016.

Bresnahan, P.J., The Mooring Report: June 2016. Vertical variability of dissolved oxygen in San Francisco Bay. SFEI’s water quality science e-newsletter:

Bresnahan, P.J., The Mooring Report: February 2016. El Niño’s effects on San Francisco Bay water quality. SFEI’s water quality science e-newsletter:


2018: Invited presentation at Ocean Sciences Meeting and organizer/chair of town hall named “Citizen Oceanography: crowdsourcing ocean data collection in a sea of new technologies.”
2017: Invited presentations at IEEE/MTS Oceans Conference (session chair), Scripps Applied Ocean Sciences Seminar, Scripps Marine Chemistry Seminar, La Jolla Rotary Club, Surfrider Foundation Chapter Meeting, Boardroom Show, National Instruments Technical Seminar
2016: Co-organizer of “Monitoring for Acidification Threats in West Coast Estuaries: A San Francisco Bay Case Study”
2016: Invited presentations at San Francisco Bay – Delta Science Conference, SF Bay Regional Monitoring Program Annual Meeting
2015: Invited panelist at the 2015 Coastal & Estuarine Research Federation’s Quality Control and Management of Biogeochemical Sensors Workshop
2015: Invited instructor for summer course: “Instrumenting our oceans for better observation: a training course on biogeochemical sensors,” Kristineberg, Sweden
2015: Invited presentations at ASLO Aquatic Sciences Meeting, CERF Meeting, Solana Beach Eco Rotary Club, BE-WiSE (Better Education for Women in Science & Engineering)
2014 – 15: Mentored REU student Taylor Wirth
2014: Invited presentation at Ocean Sciences Meeting
2010 – 15: Scripps Community Outreach & Public Education (SCOPE) volunteer
2013 – 14: Scripps Peers Mentor: Graduate students Eric Gallimore & K.C. Cameron
2010 – 13: Judge for high school National Ocean Sciences Bowl


Association for the Sciences of Limnology and Oceanography
The Oceanography Society
Coastal and Estuarine Research Federation
California Estuarine Research Society
Institute for Electrical and Electronics Engineers
Tau Beta Pi Engineering Honor Society
Phi Eta Sigma Freshmen Honor Society