Floating device for monitoring layered flow velocity of shallow lake in real time

Abstract

The invention discloses a floating device for monitoring layered flow velocity of a shallow lake in real time. The floating device comprises a waterproof shell, wherein an ADV data storage device is installed in the waterproof shell, and a GPS positioning chip and an SIM data transmission device are installed on the ADV data storage device; the bottom center of the waterproof shell is provided with a threaded hole, an adjustable spherical joint is connected in the threaded hole in a spiral way, a threaded steel tube penetrates the end, far from the waterproof shell, of the adjustable sphericaljoint through threads, a fixed claw penetrates the other end of the threaded steel tube through threads, and an ADV probe is installed on the threaded steel tube; and the ADV probe is communicated with the ADV data storage device, the GPS positioning chip and the ADV data storage device are communicated with the SIM data transmission device, and the SIM data transmission device is communicated with an external terminal receiving device. The floating device provides true original data for research of water flow fields like rivers and lakes and 3D numerical simulation, and provides necessary basis for disclosure of wind driven current vertical shear laws of large shallow lakes, transfer of pollutants, and deep research of eutrophication.

Description

technical field [0001] The invention belongs to the technical field of water body ecological environment, and in particular relates to a floating device for real-time monitoring of stratified flow velocity of shallow water lakes. Background technique [0002] Large shallow lakes are densely populated areas and are also areas where human activities are most frequent. With the decline of lake water quality, lake eutrophication and the resulting cyanobacterial blooms have become the main water environment problems of large shallow lakes. Research on the migration and diffusion of lake pollutants has become a current research hotspot. Large shallow lakes are flat and the influence of gravity flow is negligible, and the wind is the main factor affecting the characteristics of the flow field. Wind-induced currents can affect the transport of sediment in lakes, especially in shallow lakes because the lakebed area occupied by a unit volume of water is larger, and the effect is more...

AI Technical Summary

Problems solved by technology

Most of the existing monitoring methods build a fixed observation platform in the field, conduct multi-frequency continuous observation of the vertical flow field, and obtain the corresponding high-temporal sequence parameters, which cannot realize simultaneous monitoring of planar circulation and vertical circulation.

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