Justin E. Stopa swelltracker.org

Justin E. Stopa swelltracker.org justin.stopa@ifremer.fr Professional Interests and Expertise Marine forecasting and hindcasting Data analysis applications in geophysical datasets Oceanic remote sensing Spectral wave models Wind and wave climate Academic Qualifications 2013 Ph.D. University of Hawaii at Manoa, School of Ocean and Earth Science and Technology, Department of Ocean Resources and Engineering: Periodicity and patterns of the global wind and wave climate Advisor: Kwok Fai Cheung (GPA 3.85) 2007 MS University of Hawaii at Manoa, School of Ocean and Earth Science and Technology (ABET accredited), Department of Ocean Resources and Engineering: Effect of wind resolution on spectral wave modeling in the Hawaii region Advisor: Kwok Fai Cheung (GPA 3.85) 2007 Passed Fundamentals of Engineering 2005 BA Mathematics, College of New Jersey; Cum Laude (GPA 3.45) Honors and Awards 2014-2016 Post-doctoral Fellowship in Marine Sciences with LABEX MER 2013 Outstanding Graduate Student Award 2004-2005 NOAA Education Partnership Program (EPP) 2003-2005 Dean s List Peer Reviewed Publications Ardhuin, F., J. E. Stopa, B. Chapron, F. Collard, M. Smith, J. Thompson, M. Doble, B. Blomquist, Ola Persson, C. O. Collins III, 2017. Measuring ocean waves in sea ice using SAR imagery: A quasi-deterministic approach evaluated with Sentinel-1 and in-situ data. Remote Sensing of Environment, 189, Feburary. Doi:10.1016/j.rse.2016.11.024. Stopa, J. E., A. Mouche, Significant wave heights from Sentinel-1: validation and applications. Journal of Geophysical Research Oceans, doi:10.1002/2016jc012364 Stopa, J. E., A. Mouche, B. Chapron, F. Collard, 2016. Sea state impacts on wind speed retrievals from C-band radars, IEEE JSTARS Special Issue: New challenges and opportunities in scatterometry. Doi:10.1109/JSTARS.2016.2609101. Stopa, J. E., F. Ardhuin, and F. Ardhuin. Wave climate in the Arctic 1992-2014: seasonality and trends, The Cryosphere. doi:10.5194/tc-2016-37. Thomson, J., Y. Fan, S. Stammerjohn, J. E. Stopa, E. W. Rogers, F. Girard-Ardhuin, F. Ardhuin, H. Shen, W. Perrie, S. Ackley, A. Bababin, Q. Lin, P. Guest, T. Maksym, P. Wadhams, C. Fairall, O. Persson, M. Doble, H. Graber, B. Lund, V. Squire, J. Gemmrich, S. Lehner, B. Holt, M. Meylan, J. Brozena, J.-R. Bidlot, 2016. Emerging trends in the sea state of the Beaufort and Chukchi seas. Ocean Modelling, 105, 1-12 doi:10.1016/j.ocemod.2016.02.009

Stopa, J.E., F. Ardhuin, R. Husson, H. Jiang, B. Chapron, and F. Collard, 2016. Swell dissipation from 10 years of Envisat ASAR in wave mode. Geophysical Research Letters, doi:10.1002/2015gl067566 Jiang, H., J. E. Stopa, H. Wang, A. Mouche, B. Chapron, and G. Chen, 2016. Tracking the attenuation and nonbreaking dissipation of swells using altimeters. Journal of Geophysical Research Oceans, doi:10.1002/2015/jc011536 Li, N., K. F. Cheung, J. E. Stopa, F. Hsiao, Y-L. Chen, L. Vega, and P. Cross, 2016. Thirty-four years of Hawaii wave hindcast from downscaling of climate forecast system reanalysis. Ocean Modelling, 100, 78-95. doi:10.1016/j.ocemod.2016.02.001 Stopa, J.E., F. Ardhuin, F. Collard, and B. Chapron, 2015. Estimating wave orbital velocities through the azimuth cut-off from space borne satellites. Journal of Geophysical Research Oceans, 120, doi:10.1002/2015jc011275 Stopa, J.E., F. Ardhuin, A. V. Bababin, and S. Zieger. 2015. Comparison and validation of physical parameterizations in spectral wave models. Ocean Modelling, Special Issue on Ocean Waves, doi:10.1016/j.ocemod.2015.09.003 Ardhuin, F., F. Collard, B. Chapron, F. Girard-Ardhuin, G. Guitton, A. Mouche, and J. E. Stopa. 2015. Estimates of ocean wave heights and attenuation in sea ice using the SAR wave mode on Sentinel-1A. Geophysical Research Letters, 42(7), 2317-2325. doi: 10.1002/2014GL062940. Stopa, J.E., and K. F. Cheung, 2014. Periodicity and patterns ocean wind and wave climate. Journal of Geophysical Research Oceans 119(8), 5563-5584. Stopa, J.E., and K. F. Cheung, 2014. Intercomparison of Wind and Wave Data from the ECMWF Reanalysis Interim and the NCEP Climate Forecast System Reanalysis. Ocean Modelling, 75, 65-83. Stopa, J.E., J-F. Filipot, N. Li, K. F. Cheung, Y-L. Chen, and L. Vega, 2013. Wave energy resources along the Hawaiian Island chain. Renewable Energy, 55, 305-321. Stopa, J.E., K. F. Cheung, H. L. Tolman, A. Chawla, 2013. Patterns and cycles in the Climate Forecast System Reanalysis wind and wave data. Ocean Modelling, 70, 207-220. Stopa, J.E., K. F. Cheung, M. A. Garces, and N. Badger, 2012. Atmospheric infrasound from nonlinear wave interactions during Hurricanes Felicia and Neki of 2009. Journal of Geophysical Research Oceans, 117(C12017), doi: 10.1029/2012JC008257. Stopa, J.E., K. F. Cheung, M. A. Garces, and D. Fee, 2011. Source of microbaroms from tropical cyclone waves. Geophysical Research Letters, 38 (L05602), doi: 10.1029/2010GL046390 Stopa, J.E., K. F. Cheung, and Y-L. Chen. 2011. Assessment of wave energy resources in Hawaii. Renewable Energy, 36(2), 554-567. Works in Progress Stopa, J. E. and M. A. Hemer. Seasonality of the wave climate: historical and projected changes. Journal of Climate. In prep Presentations and Workshops Stopa, J. E., P. Queffelou, A. Mouche, F. Ardhuin, B. Chapron. Wave climate observed from altimeters: trends and extremes. Ocean Surface Topography Science Team, La Rochelle, France, 31 October 31 4 November, 2016.

Stopa, J. E., F. Ardhuin, B. Chapron, F. Collard, F. Ardhuin-Girard, G. Boutin, P. Sutherland, Swell attenuation through the marginal ice zone, Washington DC, Joint Arctic SeaState and MIZ Progress Review for Office of Naval Research, September 19-23. Stopa, J. E., P. Queffelou, B. Chapron, A. Mouche, and F. Ardhuin. Wave climate observed from altimeters and models 1985-2015: trends, inter-annual variability, and extremes. Waves In Shallow Water Environments (WISE), Venice, Italy, May 23-26. Stopa, J. E., F. Ardhuin, F. Collard, A. Mouche, G. Guitton, P. Sutherland. Mapping wave heights in sea ice with Sentinel 1. European Geophysical Union General Assembly, Vienna, Austria, April 18-22. Stopa, J. E. and M. Hemer. Projected changes in the annual wind-wave cycle. European Geophysical Union General Assembly, Vienna, Austria, April 18-22. Girard-Ardhuin, F., J. E. Stopa, and F. Ardhuin. Changes in the Arctic 1992-2014: seasonality, trends, and wave-ice influence. European Geophysical Union General Assembly, Vienna, Austria, April 18-22. Stopa, J. E. and A. Mouche, 2015. Wind speed biases from C-band radars: ENVISAT and Sentinel-1A, High Winds Workshop, NOAA, National Hurricane Center, December 9-10, Miami, USA. Stopa, J. E., 2015. Wave attenuation in sea from synthetic aperture radar and wave climate in the Arctic Ocean. Seminar at NOAA Geophysical Fluid Dynamics Laboratory December 4, Princeton, USA. Stopa, J. E., 2015. Periodicity and patterns of ocean wind and wave climate. Coordinated Ocean Wave Climate Project (COWCLIP) 4th Workshop, September 2-4, UNESCO, Paris, France. Stopa, J. E., Ardhuin, F., Husson, R., Collard, F., and Chapron, B., 2015. Non-breaking swell dissipation from synthetic aperture radar. The 7 th International Symposium on Gas Transfer at Water Surfaces 2015, May 18-21, Seattle, USA (poster). Stopa, J. E., Ardhuin, F., Husson, R., Collard, F., and Chapron, B., 2015. Non-breaking swell dissipation from synthetic aperture radar. European Geophysical Union 2015, April 12-17, Vienna, Austria. Stopa, J. E., Husson, R., Ardhuin, F., Mouche, A., Collard, F., and Chapron, B., 2015. Nonbreaking swell dissipation from synthetic aperture radar. CFOSAT workshop, Feb. 3-5, Hong Kong, China. Stopa, J. E., Cheung, K. F., Garces, M., Williams, B., Le Pichon, A., 2013. Assessing infrasound network performance using the ambient ocean noise. AGU 2013, San Francisco, USA. Stopa, J. E., 2013. Microbarom sources from tropical and extratropical cyclones. Department of Ocean Resources and Engineering Seminar, Honolulu, Hawaii, May 1, 2013. Stopa, J.E., 2013. Forecasting and hindcasting wind driven wave environments. Presentation at Society of Naval Architects and Marine Engineers. Honolulu, Hawaii, April 24, 2013. Stopa, J.E., Cheung, K. F., Garces, M., Badger, N. 2011. Atmospheric infrasound from hurricanes Felicia and Neki of 2009. (Poster) AGU 2011, San Francisco, USA. Stopa, J.E., Cheung, K. F., Garces, M., Fee, D. 2010. Source of microbaroms from tropical cyclone waves. (Presentation) Infrasound Technology Workshop, Tunis, Tunisia. Stopa, J.E., Cheung, K. F., Garces, M., Fee, D. 2009. Microbarom source strengths from spectral ocean surface wave models. (Poster) AGU 2009, San Francisco, USA.

Stopa, J.E., Fee, D., Garces, M., Cheung, K.F., Waxler, R., Hetzer, C. 2009. Microbarom source strength models. Infrasound Technology Workshop Brasilia, Brazil. Research Experience and Projects Contributed to 2015-2016 UBO/IUEM LABEX MER, Plouzane France Post-doctorate fellow Analyzing and improving remotely sensed winds and waves from synthetic aperture radar in open ocean and ice covered regions, Arctic Ocean wave climatology (ONR funded sea state DRI) (~1 yr) 2014-2015 Ifremer, Plouzane France Post-doctorate researcher Laboratorie d Oceanographie Spatiale (Ifremer/UBO) spectral wave models, studying air-sea interactions of ocean waves, non-breaking swell dissipation, winds and waves from synthetic aperture radar, wave-ice interaction. (~1.5 yrs) 2011-2013 NOAA PacIOOs continuous effort in the development and operation of an automated wave forecast model. Expanded our modeling efforts across the Pacific : oceanforecast.org, http://oos.soest.hawaii.edu/pacioos/ (~2.25 yrs) 2009-2013 Infrasound Laboratory (ISLA) assessment of infrasonic signals created from nonlinear wave interactions. (~2.5 yrs) 2007-2013 Department of Energy University of Hawaii at Manoa: wave energy resource assessment in Hawaii. (~3 yrs) 2005-2007 Office of Naval Research ENDEAVOR project: development and operation of an automated wave forecasting model. (~1 yr) 2004-2005 NOAA Education Partnership Program, The National Weather Service, Honolulu, Hawaii: Evaluation of forecast winds in the Hawaiian Islands (~0.25 yrs) 2003-2004 NOAA Education Partnership Program, National Environmental Satellite Data and Information Service, Office of Research and Development, Camp Springs, Maryland: Remotely sensed ocean winds (~0.25 yrs) Current Projects and Collaborations 1.) Wave-ice interaction, wave model development of WAVEWATCH III to include source terms to directly include effects from wave-ice interaction and remote sensing techniques to observe waves in sea ice. Project funded by the Office of Naval Research F. Ardhuin. 2.) Projected changes in wave climate. Analysis of geophysical climate model datasets that predict future wave climate with Mark Hemer, and Alvaro Semedo. My particular role is analysis of the project changes in the swell wave field in collaboration with Alvaro Semedo among others. 3.) Assessment of an Ensemble of EC-Earth climate simulations for the historical perspective in collaboration Mikhail Dobrynin (Univeristy of Hamburg) and Alvaro Semedo amongst others researchers in Europe. Field Experience 2009 January 29- February 5 aboard the Kilo Moana Research Vessel (co-chief scientist) - collected wave data across the Hawaiian Islands Island shadowing of wind waves and swell.

2006 December 15-22 aboard the Kilo Moana Research Vessel -Collected wave data across the Hawaiian Islands Island shadowing of wind waves and swell and transformation from deep to shallow water. Professional Service (12+ reviews a year) 2015-present Remote Sensing Reviewer 2015-present International Journal of Remote Sensing 2014-present Geophysical Research Letters Reviewer 2013-present Journal of Climate 2013-present Applied Energy Reviewer 2012-present Ocean Engineering Reviewer 2012-present Ocean Modelling Reviewer 2012-present Renewable Energy Reviewer 2011-present Journal of Geophysical Research (Oceans, Atmospheres) Reviewer Professional Organizations European Geophysical Union American Geophysical Union American Meteorological Society Marine Technology Society Society of Naval Architects and Marine Engineers Surfrider Technical Skills Linux, windows, mac operating systems Computer languages: Matlab, IDL, python, fortran, shell scripting Parallel computing and big data