Coastline sensitive classification method affected by ocean oil spill

A grading method and coastline technology, applied in the field of offshore oil, to achieve the effects of good practicability, easy access to data, and enhanced ability to deal with oil spill risks

Pending Publication Date: 2019-04-05
YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI
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  • Coastline sensitive classification method affected by ocean oil spill
  • Coastline sensitive classification method affected by ocean oil spill
  • Coastline sensitive classification method affected by ocean oil spill

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[0021] The present invention will be further described in detail below in conjunction with the examples.

[0022] A method for classification and grading of coastline sensitivity affected by oil spills, comprising the following steps:

[0023] 1) According to the wave coefficient (I w ) and shoreline curvature (I sin ) to determine the exposure of the shoreline (I e );

[0024] 2) Based on the exposure index (I e ) and shoreline slope (I s ) to grade the physical index, and determine the physical index index (I p );

[0025] 3) Determine the material composition of the shoreline (I b );

[0026] 4) According to the physical index index (I p ) and material composition to determine the coastline sensitivity index (V);

[0027] The factors include wave coefficient (I w ), shoreline curvature (I sin ), exposure index (I e ), coast slope (I s ), material composition (I b ).

[0028] The wave coefficient (I w ) takes a value of 1 (the average wave height is greater ...

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Abstract

The invention relates to the ocean oil industry, in particular to a coastline sensitive classification method affected by ocean oil spill. The method comprises the following steps: determining an exposure index (Ie) of a shoreline; Grading the physical indexes based on the exposure index (Ie) and the shoreline slope (Is), and determining a physical index (Ip); Determining a material composition (Ib) of the shoreline; And determining a coastline sensitivity index (V) according to the physical index (Ip) and the material composition. The method is efficient in execution and easy to apply, and needed data are easy to obtain. Researches show that the method is simple to operate, has excellent practicability, enhances the capability of a high-risk shoreline to cope with oil spilling risks, expands the research range of sensitivity of the shoreline, and can be widely applied to the shoreline with the oil spilling risks, so that the oil spilling harm is reduced.

Description

technical field [0001] The invention relates to the offshore oil industry, in particular to a sensitivity classification and grading method for coastlines affected by marine oil spills. Background technique [0002] According to statistics from the State Oceanic Administration, an oil spill accident occurs in China's coastal areas every four days on average. In the ten years from 1998 to 2008 alone, there were 733 ship pollution accidents in the waters under the jurisdiction of China. Although the platform oil spill (offshore oil platform exploitation) is not as frequent as the ship oil spill accident, but because it occurs in relatively concentrated oil exploration and storage In the area, the amount of oil spill is generally large. Therefore, once a blowout occurs, the pollution to the environment will be disastrous. Therefore, the task of preventing ship oil spill pollution and protecting the marine environment and marine ecological resources in our country is very ardu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06
CPCG06Q10/0639
Inventor 刘欣王业保
Owner YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI
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