Investigation of Optical Properties and Photoadaptation During EqPAC JGOFS Cruises

EqPAC JGOFS 巡航期间光学特性和光适应的研究

• 批准号: 9022375
• 负责人: Charles Trees
• 金额: $ 31.36万
• 依托单位: San Diego State University Foundation
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1991
• 资助国家: 美国
• 起止时间: 1991-07-15 至 1994-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9022375&HistoricalAwards=false
• 关键词: Investigation; Optical; Properties; Photoadaptation; During

This study will characterize relationships between remotely sensed ocean color and the vertical profiles of bio-optical variables and primary productivity - and their interannual and seasonal variabilities - to address central goals of the U.S. JGOFS Equatorial Pacific Plan. It is hypothesized that photoadaptation by phytoplankton creates vertical profiles of pigments and optical profiles which, in a given geographic province and time of year, are predictable functions of near- surface optical properties estimable from remotely sensed ocean color. It is further speculated that the joint profiles of natural and stimulated fluorescence and optical properties are photoadaptive characteristics which may correlate with primary productivity. Optical and fluorescence (natural and stimulated) measurements will be acquired during the JGOFS EqPac cruises, which in combination with core measurements of pigments and productivity, will be used to develop empirical models of these relationships. These results will enable pigment biomass and productivity analyses of past (CZCS) and future (SeaWiFS) ocean color data, as well as contributing to the assessment of regional biogeochemical processes in the context of the overall JGOFS EqPac data set.

这项研究将描述远程之间的关系 感测的海洋颜色和生物光学垂直剖面 变量和初级生产力-及其年际和 季节性变化-以解决美国的中心目标。 JGOFS赤道太平洋计划。 它是假设 浮游植物的光适应作用产生了 颜料和光学轮廓，在给定的地理位置， 省和一年中的时间，是近- 从遥感海洋估算表面光学特性 颜色. 进一步推测， 天然和受激荧光和光学性质， 光适应特性可能与初级 生产力 光学和荧光（天然和 将在联合全球海洋观测卫星系统（JGOFS）期间获得这些测量数据 EqPac巡航，结合核心测量， 颜料和生产力，将用于制定经验 这些关系的模式。 这些结果将使 色素生物量和生产力分析过去（CZCS）和 未来（SeaWiFS）海洋颜色数据，以及有助于 区域地球化学过程的评估 整个JGOFS EqPac数据集的上下文。