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Method for measuring fluid velocity in shallow-water floristic areas

A flow velocity measurement and plant technology, which is applied in the direction of using a device that measures the time required to move a certain distance, can solve the problems of the difficulty of arranging the flow meter sensor and the difficulty of entering the measuring personnel on foot, so as to avoid the trouble of wiring.

Inactive Publication Date: 2012-02-01
NANJING INST OF GEOGRAPHY & LIMNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the shallow water area with dense aquatic plants, due to the obstruction of plants, the water depth is too shallow, and it is difficult for boats to enter or surveyors to enter on foot. It is difficult to arrange the current sensor.

Method used

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  • Method for measuring fluid velocity in shallow-water floristic areas
  • Method for measuring fluid velocity in shallow-water floristic areas
  • Method for measuring fluid velocity in shallow-water floristic areas

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Embodiment Construction

[0036] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0037] The method for measuring flow velocity in shallow water plant area of ​​the present invention comprises the following steps:

[0038] (1) Delineate the measurement area; specifically, first plan the length and width of the measured area, the length is arbitrary, and the width is not greater than 10m. When the measured area is large, it can be divided into multiple 10m wide strips Sub-areas are measured.

[0039] (2) erecting the transverse guide rail of the floating body; the transverse guide rail of the floating body comprises a floating body, a transverse guide rail and a support. The length of the transverse guide rail is 10m, and it is erected on the two floating bodies by means of brackets.

[0040] (3) Erection of the sensor support; specifically, the sensor support is clamped on the pulley groove of the transverse guide rail. ...

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Abstract

The invention relates to a method for measuring fluid velocity, in particular to a method and equipment used for measuring fluid velocity in shallow-water floristic areas, which belongs to the field of hydraulic engineering measurement. The invention contains implementing steps, equipment, software configuration as well as software and hardware interactive steps of the method for measuring fluid velocity in shallow-water floristic areas. The method has the advantages that the fluid velocity in shallow-water floristic areas can be measured, and the measurement accuracy is improved; the GPS position and the fluid velocity value are synchronized, which provides data foundation for the further spatial analysis of the fluid velocity; and the wireless mode avoids the trouble with wiring in the shallow-water floristic areas during measurement.

Description

technical field [0001] The invention relates to a flow velocity measurement method and equipment, in particular to a flow velocity measurement method and equipment in shallow water plant areas. It belongs to the field of water conservancy engineering measurement. Background technique [0002] Measuring the velocity distribution of shallow water vegetation is one of the main methods to describe the hydrodynamic characteristics of lakes. Lake flow determines the transport and diffusion of various substances such as suspended solids, algae, pollutants and various nutrients in the lake, and at the same time has an important impact on the properties of the bottom sediment and the habitat characteristics of organisms. Therefore, a deep understanding of the water in the lake The law of dynamic change has important scientific and practical significance in lake ecological restoration and management, and is the basis and premise for studying lake ecosystems and solving lake eutrophic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01P3/64
Inventor 韩涛
Owner NANJING INST OF GEOGRAPHY & LIMNOLOGY