Monitoring device for local erosion and deposition deformation of tidal flat bed in intertidal zone

A monitoring device and intertidal zone technology, which is applied in the direction of measuring devices, optical devices, instruments, etc., can solve the problems of beach erosion and sedimentation, and the inability to measure sediment start-up in extremely shallow water periods, so as to avoid disturbance, increase clarity, The effect of reducing reflectivity

Active Publication Date: 2021-06-01
HOHAI UNIV
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  • Abstract
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Problems solved by technology

[0003] Purpose of the invention: The purpose of the invention is to provide a monitoring device for local scour-silting deformation of the ...

Method used

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  • Monitoring device for local erosion and deposition deformation of tidal flat bed in intertidal zone
  • Monitoring device for local erosion and deposition deformation of tidal flat bed in intertidal zone
  • Monitoring device for local erosion and deposition deformation of tidal flat bed in intertidal zone

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Embodiment 1

[0027] Embodiment 1: as Figure 1-5 As shown, a monitoring device for local scouring and silting deformation of the intertidal tidal flat bed includes a monitoring component for measuring the scouring and silting deformation of the intertidal tidal flat during the extremely shallow water period. There is a flow guide component for smooth water flow, and a wireless signal transmission component is installed above the detection component;

[0028] The monitoring assembly includes two monitoring boxes 3, each monitoring box 3 is equipped with a camera 5 through a lifting shaft 6, so that the camera 5 can move up and down to ensure that the change of scouring and silting is within the range of the camera picture. One side of the camera 5 is provided with an illuminating lamp 4 providing a light source for observation; a base 7 with a storage battery 8 inside is fixed under each monitoring box 3, and a supporting rod 9 is movably connected to one side of the base 7 to prevent the m...

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Abstract

The invention discloses a monitoring device for local erosion and deposition deformation of a tidal flat bed in an intertidal zone, which belongs to the technical field of micro-landform evolution monitoring. The device is scientific and reasonable, is safe and convenient to use, and comprises a monitoring assembly, a diversion assembly and a wireless signal transmission assembly. The monitoring assembly comprises at least one monitoring box, and a camera is installed in each monitoring box through a lifting shaft. A base internally provided with a storage battery is fixed to the lower portion of each monitoring box, and one side of each base is movably connected with a supporting rod for preventing the corresponding monitoring box from sinking. The monitoring box is fixed in the beach body through the base and the supporting rod, the camera lens is flush with the beach face through the lifting shaft, bed surface erosion and deposition deformation measurement in the extremely shallow water period of the tidal beach in the intertidal zone is achieved, and the problem that a traditional instrument cannot measure bed surface deformation under the extremely shallow water depth condition is solved. Scale marks for quantifying bed surface deformation are arranged on the monitoring box, so that the bed surface deformation process can be quantitatively acquired, and the bed surface deformation in the extremely shallow water period is digitalized.

Description

technical field [0001] The invention relates to the technical field of micro-geomorphological evolution monitoring, in particular to a monitoring device for local scour-silting deformation of a tidal flat bed in an intertidal zone. Background technique [0002] In the coastal environment, due to periodic tidal phenomena, the seabed is alternately submerged and exposed. In the early stage of tide opening, there will often be extremely shallow water periods with a water depth of about 10cm. During the extremely shallow water period, there will be a sharp increase in flow velocity and sediment concentration. The contribution of the resuspension and transport of bottom sediment during this period to the evolution of the landform during the entire tidal cycle cannot be ignored, and it is a problem worthy of quantitative research. At this stage, most of the equipment used for seabed surface monitoring is acoustic equipment, but acoustic equipment cannot be used for bed surface mon...

Claims

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Application Information

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IPC IPC(8): G01B11/16
CPCG01B11/16
Inventor 张茜龚政苏敏姚鹏王丽珠陈欣迪周曾张长宽
Owner HOHAI UNIV
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