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SeaHawk: An advanced CubeSat mission for sustained ocean color monitoring

机译：SeaHawk：高级CubeSat任务，用于持续监测海洋颜色

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Sustained ocean color monitoring is vital to understanding the marine ecosystem. It has been identified as an Essential Climate Variable (ECV) and is a vital parameter in understanding long-term climate change. Furthermore, observations can be beneficial in observing oil spills, harmful algal blooms and the health of fisheries. Space-based remote sensing, through MERIS, SeaWiFS and MODIS instruments, have provided a means of observing the vast area covered by the ocean which would otherwise be impossible using ships alone. However, the large pixel size makes measurements of lakes, rivers, estuaries and coastal zones difficult. Furthermore, retirement of a number of widely used and relied upon ocean observation instruments, particularly MERIS and SeaWiFS, leaves a significant gap in ocean color observation opportunities This paper presents an overview of the SeaHawk mission, a collaborative effort between Clyde Space Ltd., the University of North Carolina Wilmington, Cloudland Instruments, and Goddard Spaceflight Center, funded by the Gordon and Betty Moore Foundation. The goal of the project is to enhance the ability to observe ocean color in high temporal and spatial resolution through use of a low-cost, next-generation ocean color sensor flown aboard a CubeSat. The final product will be 530 times smaller (0.0034 vs 1.81m~3) and 115 time less massive (3.4 vs 390.0kg) but with a ground resolution 10 times better whilst maintaining a signaloise ratio 50％ that of SeaWiFs. This paper will describe the objectives of the mission, outline the payload specification and the spacecraft platform to support it.
机译：持续的海洋颜色监测对于了解海洋生态系统至关重要。它已被确定为基本气候变量（ECV），并且是理解长期气候变化的重要参数。此外，观察对于观察溢油，有害藻华和渔业健康可能是有益的。通过MERIS，SeaWiFS和MODIS仪器进行的天基遥感提供了一种观测海洋覆盖的广阔区域的手段，否则仅靠船是不可能的。然而，大的像素尺寸使得难以测量湖泊，河流，河口和沿海地区。此外，许多广泛使用和依赖的海洋观测仪器，特别是MERIS和SeaWiFS的退役，在海洋颜色观测机会上留下了巨大的空白。本文概述了SeaHawk的任务，这是Clyde Space Ltd.与北卡罗莱纳州威尔明顿大学，Cloudland仪器公司和戈达德航天中心，由戈登和贝蒂·摩尔基金会资助。该项目的目标是通过使用搭载在CubeSat上的低成本下一代海洋颜色传感器来增强以高时空分辨率观察海洋颜色的能力。最终产品的体积将缩小530倍（0.0034对1.81m〜3），质量减轻115倍（3.4对390.0kg），但地面分辨率提高10倍，同时信噪比将保持SeaWiF的50％。本文将描述任务的目标，概述有效载荷规范和支持该任务的航天器平台。

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