"SST: An Autonomous Underwater Blue Laser System for Fine-Scale Distributions of Chlorophyll Fluorescence Lifetimes and Yields"

P.I. Moline, Mark （calpoly）提案#:0428929项目摘要：pi建议开发一种基于auv的蓝色二极管激光系统，该系统可以使用条纹相机/CCD阵列实时评估10米垂直分布（毫米分辨率）的叶绿素荧光和荧光动力学，以获得垂直分辨率为毫米的生理速率测量。这种新工具将提高高时空变异性区域的采样分辨率，如沿海环境、底栖生物栖息地和冰雪覆盖地区。应用蓝色二极管激光系统来研究垂直分布、浮游植物分布和光生理将扩展我们对复杂海洋环境的认识。蓝色激光在海水中的特性、脉冲时序、脉冲宽度、峰值功率、稳定性、成像距离、激光频谱都是可能导致海洋传感器其他应用的领域。最后，本文阐述了减少海洋传感器尺寸和功率要求的持续挑战。对复杂生态系统中浮游植物动态、栖息地变化和初级生产力响应环境强迫的更好理解将转化为改进的区域碳预算估算。在了解食物网的功能和效率方面也将取得进展。最后，这项工作将继续努力在海洋环境中应用自主系统，以增加数据密度和开发传感器网络，以充分解决海洋过程的规模问题。

P.I. Moline, Mark (Cal Poly) Proposal #: 0428929Project SummaryThe PIs propose to develop an AUV-base blue diode laser system that instantaneously assesses 10-meter vertical distributions (at millimeter resolution) of chlorophyll fluorescence and the kinetics of fluorescence to derive physiological rate measurements at a vertical resolution of millimeters using a streak camera/CCD array. This novel tool will increase the sampling resolutions in regions of high spatial/temporal variability, such as coastal environments, benthic habitats and ice-covered regions. The application of a blue diode laser system to examine vertical distributions phytoplankton distribution and photophysiology will expand our knowledge of complex ocean environments. Characteristics of blue lasers in seawater, the pulse timing, pulse width, peak power, stability, imaging distance, laser frequency spectrum are all areas that may lead to other application is oceanography Finally, the continued challenge to reduce the size and power requirements of oceanographic sensors is illustrated in this proposed work. An improved understanding of phytoplankton dynamics, habitat change and primary productivity in response to environmental forcing in complex ecosystems will translate into improved regional carbon budget estimates. Progress will also be made in understanding the function and efficiency of food webs. Finally, this work continues the effort to apply autonomous systems in the marine environment for increased data density and development of sensor networks that can adequately address the scales of ocean processes.