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A method for measuring the volume of sea erosion stacks

A measurement method and column volume technology, applied in measurement devices, instruments, optical devices, etc., can solve the problem of no reliable method for the measurement of sea erosion column volume, and achieve accurate and reliable results, simple obtainment, and simple operation.

Active Publication Date: 2020-09-04
HUAQIAO UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] However, there is currently no reliable method for measuring the volume of sea stacks

Method used

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  • A method for measuring the volume of sea erosion stacks
  • A method for measuring the volume of sea erosion stacks
  • A method for measuring the volume of sea erosion stacks

Examples

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Embodiment example

[0051] There are granite rocky sea cliffs distributed around Wuguan Village, Haidian District, Xiamen City, Fujian Province. The sea cliffs have high strength, and the degree of weathering varies greatly at different locations. Joints and fissures are developed. Under the long-term action of waves, various sea erosion landforms have been formed. Phenomena, including sea troughs, sea caves, sea stacks and sea arch bridges, etc., wherein a typical granite sea stack is developed, and the shore beach at the bottom of the sea stack is a sandy coast. The volume of the sea stack is measured by the method of the present invention. Measurement.

[0052] Key details of the measurements include the following:

[0053] The visual height of the sea stack is 2.5m, so four marking lines were drawn on the beach with branches in the four directions of east, west, north and south. The marking lines formed a rectangle. The lengths of the sides are 6.5m and 6.8m, respectively. Mark points on th...

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Abstract

The present invention relates to a marine abrasion column volume measurement method. A routine apparatus and Auto-CAD software are employed to complete data collection and result calculation. In the whole process, for data collection, a strict and accurate position arrangement is not needed, the height and the width of a marine abrasion column only needs to perform visual inspection to arrange laser section instruments, and the operation is simple. Based on the Auto-CAD software, a mark point is taken as an origin of coordinates, angles and distances measured by employing the laser section instruments are employed as parameters, the area measurement function in the Auto-CAD software is employed to measure the area of an enclosed graph so as to simply obtain the volume of the marine abrasion column, and the result is accurate and reliable.

Description

technical field [0001] The invention relates to the field of marine geological disasters, in particular to a method for measuring the volume of sea erosion pillars. Background technique [0002] Sea stacks are rock pillars separated from the shore formed by the erosion and collapse of rocky coasts by waves. There are two reasons for the formation of sea stacks: [0003] First, due to the erosion of waves, the sea caves on both sides of the headland can be eroded through, forming a sea erosion arch bridge with an arched roof. After opening, it stands tall and straight on the rocky beach, which is the sea erosion pillar; [0004] The second is that the hard rock strains developed on the igneous coast have stronger weathering resistance than the surrounding rock and soil, and less joint fissures. After the surrounding rock and soil are eroded, the remaining rock strains form sea erosion columns. [0005] Sea stacks are generally located on near-shore beaches. With the contin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/00
CPCG01B11/00
Inventor 常方强
Owner HUAQIAO UNIVERSITY
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