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Marine oil spill submerging amount estimation method

A technology of submerged quantity and oil spill, applied in calculation, special data processing applications, instruments, etc., can solve the problem of underestimating the total amount of oil pollutants remaining, and achieve the effect of improving the accuracy of estimation

Inactive Publication Date: 2018-07-31
THE FIRST INST OF OCEANOGRAPHY SOA
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

At this time, it is far from enough to only consider the amount of residual oil on the sea surface. The existing technology may greatly underestimate the total amount of residual oil pollutants in the marine environment.

Method used

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  • Marine oil spill submerging amount estimation method
  • Marine oil spill submerging amount estimation method
  • Marine oil spill submerging amount estimation method

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Embodiment Construction

[0035] A method for estimating the submerged quantity of marine oil spill according to the present invention will be described in detail below with reference to the accompanying drawings.

[0036] Such as figure 1 As shown, a method for estimating the submerged amount of marine oil spill includes step (1) obtaining the wave field and wind field data for a period of time after the oil spill in the oil spill sea area, and the wave field data in the oil spill sea area includes wave wavelength and effective wave height, so The above wind field data include the wind speed at a height of 10m above the sea surface. (2) establish the model of oil drop into water; (3) establish the model of oil drop floating up; (4) establish the model of oil spill evaporation; 4) Bring in the parameters in the model; (6) Use the model of residual oil on the sea surface in step (5) to solve the differential equation to obtain the dynamic relationship of the residual oil on the sea surface in the oil s...

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Abstract

The invention relates to the field of marine oil spill assessment, and in particular to a marine oil spill submerging amount estimation method. The method comprises the following steps of: obtaining wave field data and wind field data after oil spill of an oil spill sea area; establishing an oil drop in-water model; establishing an oil drop floating model; establishing a spilled oil evaporator model; and establishing a sea residual oil amount change model, and dynamically calculating a sea residual oil amount so as to dynamically calculate a submerging amount. The method is ingenious, and through obtaining wave lengths and effective wave heights of wave fields and wind fields and wind speed data of places with certain distances to the sea surface, the submerging amount conditions of oil pollutants below the sea surface can be dynamically estimated by adoption of model combination, so that being compared with simple experience estimation methods which only consider sea residual oil amounts or qualitative experience estimation methods, the method is capable of effectively improving the correctness of estimating the total amount of residual oil pollutants in sea environment. The method has favorable market prospect.

Description

technical field [0001] The invention relates to the field of marine oil spill evaluation, in particular to a method for estimating the submerged amount of marine oil spill. Background technique [0002] Due to the uneven distribution and consumption of oil in the world and the relative cheapness of shipping, 60% of the world's oil consumption is completed by sea transportation. Oil spill at sea is one of the main factors causing pollution damage to the marine environment. Among all kinds of marine pollution, oil pollution ranks first in terms of frequency of occurrence, breadth of distribution, and degree of harm. With the development of the world's marine transportation industry and the continuous production of offshore oil fields, the frequency of oil spill accidents continues to increase, causing major damage to marine safety and people's health. [0003] After an oil spill accident, it is very important to estimate the stock of petroleum pollutants in the marine enviro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/20
Inventor 孙宝楠杨永增连展
Owner THE FIRST INST OF OCEANOGRAPHY SOA
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