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Pacific Coastal and Marine Science Center

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Jessie Lacy

Photograph of Jessie.Research Oceanographer

US Geological Survey
Pacific Coastal and Marine Science Center
Pacific Science Center
2885 Mission Street
Santa Cruz, CA 95060

(831) 460-7520

Research Interests

  • Hydrodynamics of the coastal ocean, estuaries, and lakes.
  • Lateral dynamics in estuaries with complex topography, and their influence on mixing.
  • The dynamics of stratification and baroclinic transport.
  • Estimation of bottom roughness, bottom shear stress, and sediment resuspension in wave-dominated environments.
  • Interaction between aquatic vegetation and hydrodynamics.


Selected Publications

J.R. Lacy and L.J. MacVean, 2016. Wave attenuation in the shallows of San Francisco Bay. Coastal Engineering 114, 159–168. doi: 10.1016/j.coastaleng.2016.03.008.

A.G. Snyder, Lacy, J.R., Stevens, A.W., and Carlson, E.M., 2016. Bathymetric survey and digital elevation model of Little Holland Tract, Sacramento-San Joaquin Delta, California. Open-File Report 2016-1093. doi: 10.3133/ofr20161093.

A. Brand, Lacy, J.R., Gladding, S., Holleman, R., Stacey, M., 2015. Model-based interpretation of sediment concentration and vertical flux measurements in a shallow estuarine environment. Limnology and Oceanography 60, 463–481. doi: 10.1002/lno.10047.

J.R. Lacy, S. Gladding, A. Brand, A. Collignon, and M.T. Stacey, 2014. Lateral baroclinic forcing enhances sediment transport from shallows to channel in an estuary. Estuaries and Coasts. doi:10.1007/s12237-013-9748-3.

L.J. MacVean and J.R. Lacy, 2014. Interactions between waves, sediment, and turbulence on a shallow estuarine mudflat. Journal of Geophysical Research - Oceans 119, 1534–1553, doi:10.1002/2013JC009477.

D. Buscombe, Rubin, D.M., Lacy, J.R., Storlazzi, C.D., Hatcher, G., Chezar, H., Wyland, R., and Sherwood, C.R., 2014, Autonomous bed-sediment imaging-systems for revealing temporal variability of grain size. Limnology and Oceanography: Methods 12, 390–406. doi: 10.4319/lom.2014.12.390.

J.R. Lacy, D.M. Rubin, and D. Buscombe, 2012. Currents, drag, and sediment transport induced by a tsunami. Journal of Geophysical Research 117 (C09028). doi:10.1029/2012JC007954.

A.W. Stevens and J.R. Lacy, 2012. The influence of wave energy and sediment transport on seagrass distribution. Estuaries and Coasts 35, 92–108. doi:10.1007/s12237-011-9435-1.

J.R. Lacy and D.J. Hoover, 2011. Wave exposure of Corte Madera Marsh, Marin County, California: A field investigation. U.S. Geological Survey Open-File Report 2011-1183.

J. Figurski, D. Malone, J.R. Lacy, and M. Denny, 2011. An inexpensive instrument for measuring wave exposure and water velocity. Limnology and Oceanography: Methods 9, 204–214. doi:10.4319/lom.2011.9.204.

J.R. Lacy and S. Wyllie-Echeverria, 2011. The influence of current speed and vegetation density on flow structure in two macrotidal eelgrass canopies. Limnology and Oceanography: Fluids and Environments 1 (2011): 38–55.

A. Brand, J.R. Lacy, S. Gladding, D. Hoover, and M.T. Stacey. 2010. Wind-enhanced resuspension in the shallow waters of South San Francisco Bay: Mechanisms and potential implications for cohesive sediment transport. Journal of Geophysical Research 115 (C11024). doi:10.1029/2010JC006172.

A.W. Stevens, J.R. Lacy, D.P. Finlayson, and G. Gelfenbaum. 2008. Evaluation of a single-beam sonar system to map seagrass at two sites in northern Puget Sound, Washington. USGS Scientific Investigations Report 2008-5009.

J.R. Lacy, D.M. Rubin, H. Ikeda, K. Mokodai, and D.M. Hanes. 2007. Bedforms created by simulated waves and currents in a large flume. Journal of Geophysical Research 112 (C10018). doi:10.1029/2006JC003942.

C.R. Sherwood, J.R. Lacy, and G. Voulgaris. 2006. Shear velocity estimates on the inner shelf off Grays Harbor, Washington, USA. Continental Shelf Research 26 (17-18): 1995-2018. doi:10.1016/j.csr.2006.07.025.

J.R. Lacy, C.R. Sherwood, D. Wilson, T. Chisholm, and G. Gelfenbaum. 2005. Estimating hydrodynamic roughness in a wave-dominated environment with a high resolution acoustic Doppler profiler. Journal of Geophysical Research 110 (C06014). doi:10.1029/2003JC001814.

J.R. Lacy and C.R. Sherwood. 2004. Accuracy of a pulse-coherent acoustic Doppler profiler in a wave-dominated flow. Journal of Atmospheric and Oceanic Technology 21 (9): 1448-1461.

J.R. Lacy, M.T. Stacey, J.R. Burau, and S.G. Monismith. 2003. The interaction of lateral baroclinic forcing and turbulence in an estuary. Journal of Geophysical Research 108 (C3), 3089. doi:10.1029/2002JC001392.

J.R. Lacy and S.G. Monismith. 2001. Secondary currents in a curved, stratified, estuarine channel. Journal of Geophysical Research 106 (C12): 31283-31302.

J.R. Lacy, M.T. Stacey, S.G. Monismith, and J.R. Burau. 1997. Stratification and turbulence over a tidal cycle in northern San Francisco Bay. In S.S.Y. Wang and T. Carstes, eds., Proceedings of the 27th IAHR Biennial Congress vol. 1, 1108-1113. New York: American Society of Civil Engineers.

J.R. Lacy, D.H. Schoellhamer, and J.R. Burau. 1996. Suspended-solids flux at a shallow-water site in South San Francisco Bay, California. In C.T. Bathala, ed., Proceedings of the North American Water and Environment Congress, June 23-28, 1996. New York: American Society of Civil Engineers.


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