Ocean Colour Remote Sensing of British Columbia Coastal Waters

不列颠哥伦比亚省沿海水域的海洋颜色遥感

• 批准号: RGPIN-2020-04042
• 负责人: Costa, Maycira
• 金额: $ 3.13万
• 依托单位: University of Victoria
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2020
• 资助国家: 加拿大
• 起止时间: 2020-01-01 至 2021-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=716781
• 关键词: Ocean; Colour; Remote; Sensing; British

Ocean Colour Remote Sensing of British Columbia Coastal Waters The coastal oceans of British Columbia are highly dynamic, being influenced by oceanographic and climatic processes and continental run-off. These processes underpin primary productivity that supports regional food webs and determines the habitat available for several species of salmon, which are of vital importance to the local economy and for First Nations. The relationships between ocean dynamics, environmental drivers, and fish stocks have increasingly been recognized in British Columbia. Specifically, the dynamic of the freshwater and marine environments experienced by juvenile salmon along their coastal migration routes is considered to be one of the primary drivers of declining Pacific salmon stocks. Fundamental to the improvement of our understanding of the biological dynamics of the coastal ocean, and consequent impacts on salmon populations, are data with sufficient time and spatial resolutions, which can be derived from satellite imagery. The goal of the research proposed for the next five years is to develop a multi-satellite-based framework to provide information at the needed scales to assist ecosystem-based fisheries management for an important biogeochemical coastal region: British Columbia coastal waters. To address this goal, my proposed research focuses on bio-optical and biogeochemical data collection that purposely uses synergistic methods that include (i) ocean colour satellite imagery and (ii) sensors aboard vessels of opportunity. Two short-term objectives will be addressed over the next five years: (1) Optimize procedures to obtain unattended continuous above-water in situ reflectance from ferries and cruise ships, and fixed platforms, in order to validate satellite atmospheric correction and develop reflectance-based algorithms for deriving ocean biogeochemical data; (2) Define the biogeochemical dynamic of the BC coastal ocean, including the shelf, inner coast, and fjordal waters, based on satellite data (MODIS Aqua, VIIRS, Sentinel-3a and 3b, GCOM-C, and the forthcoming PACE). This research program will provide critical insights about the relational spatiotemporal dynamics of biotic and abiotic variables along the BC coast by establishing a framework to integrate data from satellite observations with traceable accuracy, in situ data from research ships, vessels of opportunity, and fixed platforms. This is essential information for the understanding and monitoring of the coastal system and fisheries management needs. This research program will also contribute to the international effort to define uncertainties associated with in situ reflectance measurements used to validate satellite vicarious calibration. Furthermore, I will train HQP with interdisciplinary knowledge in space science for ocean observation and management to be innovators that meet the present and future needs of Canada.

不列颠哥伦比亚省沿海沃茨的水色遥感 不列颠哥伦比亚省的沿海海洋动态很大，受到海洋和气候过程以及大陆径流的影响。 这些过程支撑着初级生产力，支持区域食物网，并决定了几种鲑鱼的栖息地，这对当地经济和第一民族至关重要。 在不列颠哥伦比亚省，海洋动力学、环境驱动因素和鱼类资源之间的关系越来越受到重视。具体而言，幼鲑沿着沿海洄游路线所经历的淡水和海洋环境的变化被认为是太平洋鲑鱼种群减少的主要驱动因素之一。 从卫星图像中获得的具有足够时间和空间分辨率的数据，对于增进我们对沿海海洋生物动态及其对鲑鱼种群的影响的了解至关重要。 为今后五年提出的研究目标是建立一个多卫星框架，以提供所需规模的信息，协助对一个重要的海洋地球化学沿海地区-不列颠哥伦比亚省沿海沃茨-进行基于生态系统的渔业管理。为了实现这一目标，我建议的研究重点是生物光学和生物地球化学数据收集，有目的地使用协同方法，包括（i）海洋颜色卫星图像和（ii）船上的传感器的机会。在今后五年中将处理两个短期目标：（1）优化程序，从渡船和游船以及固定平台获取无人值守的连续水上原地反射率，以验证卫星大气校正，并开发基于反射率的算法，用于推导海洋生物地球化学数据;（2）根据卫星数据（中分辨率成像分光仪Aqua、VIIRS、Sentinel-3a和3b、GCOM-C和即将推出的PACE），确定不列颠哥伦比亚沿岸海洋，包括大陆架、内海岸和峡湾沃茨的生物地球化学动态。 这项研究计划将通过建立一个框架，将卫星观测数据与可追溯的准确性，研究船，机会船和固定平台的原位数据相结合，提供关键的见解有关的生物和非生物变量沿着BC海岸的时空动态。这是了解和监测沿海系统和渔业管理需要的重要信息。这项研究计划还将有助于国际努力，以确定与用于验证卫星替代校准的现场反射率测量相关的不确定性。此外，我将用海洋观测和管理空间科学的跨学科知识培训HQP，使其成为满足加拿大现在和未来需求的创新者。