方法对比
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| CTD剖面测量× | 叶绿素a（Ocean Color Chlorophyll-a）× | |
|---|---|---|
| 领域 | 海洋学 | 海洋学 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1977 | 1978 |
| 提出者≠ | Neil Brown | Remote Sensing Community |
| 类型≠ | instrumental | bio-optical |
| 开创性文献≠ | UNESCO/IOC. (1991). Processing of oceanographic station data. UNESCO Technical Papers in Marine Science, 60. link ↗ | Gordon, H. R., & Morel, A. Y. (1983). Remote Assessment of Ocean Color for Interpretation of Satellite Visible Imagery. Springer-Verlag. link ↗ |
| 别名 | CTD, Rosette Sampling | Chlorophyll-a Retrieval, Ocean Productivity Monitoring |
| 相关 | 3 | 3 |
| 摘要≠ | Conductivity-Temperature-Depth (CTD) profiling is the primary method for measuring vertical profiles of seawater properties in oceanography. Developed by Neil Brown in 1977, CTD instruments are equipped with sensors for conductivity, temperature, and pressure (depth), and are typically mounted on water-sampling rosettes. CTD profiling provides essential hydrographic data that characterizes water mass structure, stratification, and circulation patterns. | Ocean color remote sensing is the primary global method for retrieving seawater chlorophyll-a concentrations and phytoplankton productivity from satellite sensors. Based on bio-optical principles established in the 1970s, ocean color algorithms convert satellite spectral reflectance measurements into estimates of chlorophyll-a pigment concentration. This method enables global-scale, real-time monitoring of oceanic primary productivity and plankton dynamics. |
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