Ocean Sub-Mesoscale Dynamics Research Benefiting from Novel Radar Imaging Technologies- Juniper Publishers
Juniper Publishers- Journal of Oceanography
Mini Review
Sub-mesoscale dynamic processes with spatial scales of 1-200km are the key but unwell-known components in the routine of the energy cascade and the enhanced vertical exchange in the ocean [1]. Thus, the sub-mesoscale processes have been hot spots in the research of physical oceanography in recent years [2,3]. However, they are easily missing by shipboard instrument detection. Synthetic aperture radar (SAR) is a novel, high resolution imaging radar. The spatial resolutions of satellite SAR images reach several meters with swath widths as 50500km. Therefore, SAR has become a powerful tool for detecting the sub-mesoscale ocean dynamic processes [4-6].
The book Satellite SAR Detection of Sub-mesosale Ocean Dynamic Processes (Figure 1), authored by Dr. Quanan Zheng, University of Maryland, College Park, MD, USA, provides updated theories and methods for the use of SAR onboard satellite to detect sub-mesoscale ocean dynamic processes. The author shares the unique research results and experiences in this field, including the physics of SAR detection of the phenomena and the detailed dynamics of these ocean processes. The book contains eleven chapters. For the conveniences of readers with various backgrounds, Chapter 1 provides the fundamentals of radar and SAR detection and the history of space-based SAR used for ocean detection. Chapters 2-7 present theories for SAR imaging and methods for dynamic parameter extraction for the sub-mesoscale ocean vortex train (Chapter 2), spirals on the sea (Chapter 3), ocean near-inertial oscillations (Chapter 4), estuary outflow jet (Chapter 5) and ocean internal waves (Chapters 6-7). Chapters 8-10 are devoted to SAR detection of ocean bottom topography. Finally, Chapter 11 contains interesting results derived from the uses of satellite SARs combined with visible band sensors for detecting the selected air-sea boundary layer processes, such as island-induced atmospheric solitary packets, atmospheric frontal waves and sea surface rainfall [7].
The monograph of Satellite SAR Detection of Sub-mesosale Ocean Dynamic Processes has been published as Advanced Series on Ocean Engineering Volume 44 by World Scientific Publishing Co. Pte. Ltd. (www.worldscientific.com). We believe that reading the book will be enjoyable and helpful for readers, who are engaged in the research and teaching of physical oceanography, satellite oceanography, radar engineering and related subjects.
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