Our lab group uses autonomous instrumentation to study ecological responses of marine communities in extreme environments to changes in climate and carbon cycling. The lab conducts an ongoing time-series study at Station M, 4,000 meters deep in the Northeast Pacific.

Station M instrumentation suite.

In addition to this work, studies in Antarctica measure impacts of melting icebergs on marine biogeochemistry (see published research). Our work in the Sargasso Sea has shown a major decline in biodiversity over the past 40 years, during which ocean temperatures and acidity have risen steadily.

Team

Publications

Lemon, L.M., K.L. Smith Jr., and C.L. Huffard. 2022. Abyssal epibenthic holothurians respond differently to food quantity and concentration fluctuations over a decade of daily observation (2007 ̶ 2017). Deep-Sea Research I, 188(103853): 1–10. https://doi.org/10.1016/j.dsr.2022.103853

Miguez-Salas, O., M.F. Vardaro, F.J. Rodríguez-Tovar, J.A. Perez-Claros, and C.L. Huffard. 2022. Deep-sea echinoid trails and seafloor nutrient distribution: Present and past implications. Frontiers in Marine Science, 9: 1–9. https://doi.org/10.3389/fmars.2022.903864

Michaud, C.A., C.L. Huffard, K.L. Smith Jr, and C.A. Durkin. 2022. Changes in phytoplankton and biomineral content of particles during episodic fluxes to abyssal depth. Limnology and Oceanography Letters, 7: 342–353, https://doi.org/10.1002/lol2.10255

Smith, K. L. Jr., M. Messié, T.P. Connolly, and C.L. Huffard. 2022. Decadal time-series depletion of dissolved oxygen at abyssal depths in the Northeast Pacific. Geophysical Research Letters, 49(e2022GL101018): 1–11. https://doi.org/10.1029/2022GL101018

Smith, Jr., K.L., A.D. Sherman, P.R. McGill, R.G. Henthorn, J. Ferreira, T.P. Connolly, and C.L. Huffard. 2021. Abyssal Benthic Rover, an autonomous vehicle for long-term monitoring of deep-ocean processes. Science Robotics, 6(60): eabl4925. https://doi.org/10.1126/scirobotics.abl4925

Technologies

Data

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