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Comprehensive, Continuous, and Vertical Measurements of Seawater Constituents with Triple-Field-of-View
Kai Zhang1,2, Yatong Chen1,3, Hongkai Zhao1
1Ningbo Research Institute, State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou 310027, China.
Research (Washington, D.C.)
|July 21, 2023
Summary
A new oceanic triple-field-of-view (FOV) high-spectral-resolution lidar (HSRL) offers comprehensive seawater measurements. This technology overcomes limitations of existing methods for marine ecosystem and biogeochemistry research.
Area of Science:
- Oceanography
- Marine Optics
- Biogeochemistry
Background:
- Accurate measurement of seawater constituents is crucial for understanding marine ecosystems and biogeochemistry.
- Current remote sensing and in-situ sampling methods have limitations in data diversity, synchronism, resolution, and depth-profiling capabilities.
Purpose of the Study:
- To introduce a novel oceanic triple-field-of-view (FOV) high-spectral-resolution lidar (HSRL) system.
- To demonstrate its capability for comprehensive, continuous, and vertical measurements of seawater optical properties.
Main Methods:
- Development and application of a triple-FOV HSRL system.
- Utilizing an iterative retrieval approach for data analysis.
- Validation through simulations and field experiments.
Main Results:
- The triple-FOV HSRL provides unprecedented, continuous, vertical measurements of seawater absorption and scattering coefficients.
- It accurately determines the slope of particle size distribution.
- Validated performance in simulations and field experiments.
Conclusions:
- The triple-FOV HSRL system offers a significant advancement for oceanic research.
- It has strong potential for improving seawater classification accuracy and estimating particulate organic carbon export.
- This technology can greatly enhance our knowledge of seawater constituents and marine processes.
