In this talk, Dr. laffe will describe both the technical advances and resulting science that his group has achieved over the last decades in characterizing oceanic biota with in-situ optical imaging systems One effort...In this talk, Dr. laffe will describe both the technical advances and resulting science that his group has achieved over the last decades in characterizing oceanic biota with in-situ optical imaging systems One effort, underway for several decades, concerns the use of planar laser illumination in order to observe fluorescent particle distributions. Deployed from an autonomous, free-descent vehicle, the system detected ＂cryptic peaks＂ or fluorescent layers of particles, that were not seen in the bulk chlorophyll fluorescence profiles. Such layers, likely food for the larger zooplankton herbivores, are important features of pelagic ecosystems. More recently, Dr. Jaffe＇s lab has developed a spectrum of underwater imaging microscopes that take pictures of organisms through ports, thus permitting identification of various macro, and micro plankton in relatively undisturbed waters. Results of the analysis of such data, currently underway, will be described.展开更多
文摘In this talk, Dr. laffe will describe both the technical advances and resulting science that his group has achieved over the last decades in characterizing oceanic biota with in-situ optical imaging systems One effort, underway for several decades, concerns the use of planar laser illumination in order to observe fluorescent particle distributions. Deployed from an autonomous, free-descent vehicle, the system detected ＂cryptic peaks＂ or fluorescent layers of particles, that were not seen in the bulk chlorophyll fluorescence profiles. Such layers, likely food for the larger zooplankton herbivores, are important features of pelagic ecosystems. More recently, Dr. Jaffe＇s lab has developed a spectrum of underwater imaging microscopes that take pictures of organisms through ports, thus permitting identification of various macro, and micro plankton in relatively undisturbed waters. Results of the analysis of such data, currently underway, will be described.
