Satellite - Ocean Colour - MODIS - 1 day - Picoplankton fraction (OC3 model and Brewin et al 2012 algorithm)
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The Aqua satellite platform carries a MODIS sensor that observes sunlight reflected from within the ocean surface layer at multiple wavelengths. These multi-spectral measurements are used to infer the concentration of chlorophyll-a (Chl-a), most typically due to phytoplankton, present in the water. An empirical relationship is then used to compute an estimate of the relative abundance of three phytoplankton size classes (micro, nano and picoplankton). The methods used to decompose chl_oc3 are described by Brewin et al in two papers in 2010 and 2012. The two methods, denoted Brewin2010at and Br...
Aqua卫星平台搭载MODIS（中分辨率成像光谱仪）传感器，可在多波长波段下观测海洋表层水体反射的太阳光。利用该多光谱观测数据可反演水体中叶绿素-a（chlorophyll-a，Chl-a）的浓度，而该物质绝大多数源自浮游植物。随后通过经验关系模型，估算得到三类浮游植物粒径类群（微型、小型和超微型浮游植物）的相对丰度。Brewin等人于2010年与2012年发表的两篇论文中，详细阐释了用于分解chl_oc3的相关方法。这两种方法分别记为Brewin2010at与Br……
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