- Professor Chris Cappa and graduate student Sara Forestieri (UC Davis) prepare their Cavity Ring-down and Photoacoustic Spectrometers to measure aerosol optical properties.
- Michelle Kim (Bertram Group, UCSD) is adding a monoculture of Duneliella tertiolecta (green algae) to the ocean-atmosphere
- Postdoctoral researcher Defeng Zhao has been working long nights performing the first analyses of our sea spray samples by SEM and raman microscopy.
- Prof. Francesco Paesani (at right) discusses the intersection of this experiment with his work within CAICE: molecular dynamics simulations of reactions at aerosol interfaces.
- Oct 28: Scientists are now arriving from around the world for the setup stage.
- Prof. Tim Bertram, oceanographer Dale Stokes, and chemistry grad student Doug Collins chat about recent progress and plans.
- Vicki Grassian and Andy Ault (U. of Iowa) discuss the sampling setup for offline analysis by microscopy and spectroscopy.
- A breaking wave in the ocean-atmosphere chamber using the focused-wave packet mode.
- Tim Bertram (UCSD) works with his flowtube apparatus for conducting gas-to-particle chemical reactions wave breaking aerosols generated in the ocean-atmosphere chamber.
- CAICE grad students and postdocs chatted with Prof. Gil Nathanson (UW-Madison) over lunch before his invited chemistry department seminar.
- Darius Ceburnis (NUI Galway) and Meilu He (Clarkson) discuss the data as it is reported in real time.
- Green algae (Duneliella tertiolecta), which has grown to impressive cell density, awaits its turn in the ocean-atmosphere chamber.
- Prof. Tim Bertram and his grad student Olivia Ryder discuss their heterogeneous chemistry experiment.
- Close up photo of the off-gassing bubble plume resulting from a breaking wave in the wave tank.
- Micro-orifice Uniform Deposit Impactors (MOUDIs) collect particles in 8-10 different size ranges for offline microscopy and spectroscopy.
- The early stages of loading the SIO Hydraulics Lab with our atmospheric sampling instrumentation.
- A fringe benefit of working at SIO — beautiful sunsets on an almost daily basis!!
- A time series of waves breaking in ‘beach mode’ in the CAICE ocean-atmosphere chamber. Photo Credit: M. Dale Stokes
- From left: Wilton Mui (Caltech), Olivia Ryder (UCSD/Bertram), and Luis Cuadra-Rodriguez (UCSD/Prather) around the CAICE portable marine aerosol generator.
- Professor Suresh Dhaniyala (Clarkson Univ.) and Meilu He work on deploying their instrument to measure fast size distributions of sea spray particles generated in our ocean-atmosphere chamber.
- Grad students Carly Ebben (Northwestern) and Greg Medders (UCSD/Paesani) have a light discussion at the CAICE luncheon.
- The physical structure and dynamics of the bubbles produced from the breaking waves will be investigated by oceanographers Grant Deane and Dale Stokes.
- Paul DeMott (Colorado State) hopes to see interesting changes in the ability of biologically-enhanced sea spray particles to act as ice crystal nuclei, which is important to cloud and precipitation processes.
- Postdoctoral researcher Luis Cuadra-Rodriguez works on making careful measurements of single aerosol particles.
- Oct 27: Single Particle mass spectrometer calibrations are underway
- Oct 28: CAICE investigators and collaborators become re-acquainted and discuss the current status.
- The CAICE crew all sat down for a group lunch on Nov 8.
- SIO grad student Michelle Kim (Bertram Lab) carefully adds marine biological agents to the wave tank.
- The Bertram Group’s quadrupole mass spectrometer is being used for measurements of heterogeneous reactions.
- Operations ramped up on Oct 28 with scientists arriving from around the world for the initial setup stage.
- The green algae (Duneliella tertiolecta, Nov 5) preferred to stay at the surface of the water in the wave tank.
- CAICE Director Kim Prather speaks with a group of visitors about our single particle analysis of aerosols.
- Caltech grad student Wilton Mui is making water uptake measurements using a technique called DASH-SP (yellow rack).
- CAICE Director Kim Prather flipping through single particle mass spectra with her grad student Doug Collins
- The Hydraulics Lab is filling up… we now have most instruments in place…only some have made it out of their shipping crates.
- The bubble plume from a breaking wave in ‘beach mode’.
- SIO Research Oceanographer Grant Deane trains his expert eye on acoustic data, which tell us about the bubble size distribution from the breaking waves.
- A group of students, including UCSD undergrad Mallory Pickett, are taking care of comprehensive seawater analysis during the study.
- Sunset overlooking the Scripps Pier at SIO.
- The Hydraulics Lab has become quite a bustling place during the CAICE Intensive campaign.
Photo credits: Matt Ruppel, Franz Geiger, M. Dale Stokes, and Luis Cuadra-Rodriguez








































