Method and device for processing sediment particle size data

Abstract

The invention provides a method and a device for processing marine sediment particle size data, relates to the technical field of sediment analysis, and provides a comprehensive technical flow for calculation of sediment particle size parameters, classification naming and graphic display. The processing method comprises the following steps: 1) analyzing and matching introduced sediment particle size and station data to form a two-dimensional relation data table; 2) screening and correcting the sediment particle size data; 3) establishing a particle size parameter and classification algorithm model according to a sediment particle size parameter calculation method (graphical method and moment method) and classification method (Fock classification and Shepard classification), to realize automatic parameter calculation and sediment naming; 4) using drawing control and programming to realize data visualization. According to the method and the device for processing sediment particle size data provided by the embodiments of the invention, the calculation of particle size parameters of sediments and the naming of the sediments can be more standardized, the processing operation is simpler,and the result is more accurate.

Description

technical field [0001] The invention relates to the technical field of sediment analysis, in particular to a sediment particle size data processing method and device. Background technique [0002] The nature of marine sediments is the basis for the study of marine sedimentology, and the analysis of sediment grain size plays an important role in the classification of offshore substrate types, the distinction of depositional environments, the determination of material transport methods, and the determination of hydrodynamic conditions. So far, people have invented a variety of sediment particle size analysis methods, and the commonly used methods in the field of marine sedimentology mainly include: sieving method, liquid absorption method and laser particle size analyzer analysis method. Regardless of the analysis method, the purpose is to obtain the content of different particle sizes in the sediment, and then analyze the sedimentary environment through the calculation of the...

AI Technical Summary

Problems solved by technology

[0003] At present, due to the different granularity data processing and calculation methods used, the results of data processing and analysis are very different.

There are two reasons for this: one is the problem of the particle size data processing method, the solution of the characteristic value of the particle size parameter data is not accurate enough, and there are still objections to the naming of sediments; the other is the lack of mature particle size data processing application software in China at present. It is difficult to unify the data processing of each unit in the

Although the advent of the laser particle size analyzer has made particle size data processing faster and more accurate, individual instruments have their own software that can complete simple parameter calculations and draw frequency and cumulative graphs, but there are differences between different instruments, and most instruments do not have parameter calculation functions.

In addition, for the traditional sieve analysis method and liquid imbibition method, each unit usually calculates the parameters and names the sediment through diagrams or self-programmed programs, which easily leads to irregular data processing, and it is likely to cause some human errors. Data is difficult to compare

This not only brings great difficulties and challenges to the integration and processing of granular data, but also seriously affects the application and service of data.

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