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Analysis method and system for reconstructing paleoclimate by using ignition loss data, medium and terminal

A technology of data reconstruction and analysis methods, applied in data processing applications, complex mathematical operations, prediction and other directions, can solve the self-consistency and consistency of interpretation results, multi-solution and incomplete information interpretation, and the complete interpretation method needs to be clarified, etc. problems, to achieve the effect of reducing loss of life and property, promoting effective development, large social benefits and commercial value

Pending Publication Date: 2022-06-28
JILIN UNIV
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Problems solved by technology

It can be seen that the multiple interpretations of LOI and the incompleteness of information interpretation have caused great troubles to paleoclimate research, which often leads to deviations in the self-consistency of the interpretation results and the consistency with other evidence
[0005] Therefore, the existing problems and defects of the existing technology are: the self-consistency of the analysis results of the existing techn

Method used

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  • Analysis method and system for reconstructing paleoclimate by using ignition loss data, medium and terminal
  • Analysis method and system for reconstructing paleoclimate by using ignition loss data, medium and terminal
  • Analysis method and system for reconstructing paleoclimate by using ignition loss data, medium and terminal

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Embodiment 1

[0149] The embodiment of the present invention is a 768.45 m continuous high-precision sampling core of the Darianhe Formation in the Yilan Basin, Northeast China. Among them, the bottom 899.2m-708.2m is glutenite, coal-bearing and oil shale section (E 1-2 d 1 ); the middle 708.2m-590.3m is the oil shale section (E 1-2 d 2 ); the upper 590.3m-132.0m is the sand shale section, which is composed of interbedded sandstone, siltstone and mudstone (E 1-2 d 3 ).

[0150] The specific implementation steps are as follows:

[0151] 1. Obtain the LOI of sediment loss on ignition at different depth sampling points on the sedimentary profile 550 (%) and LOI 1000 (%) and its corresponding depth value d i (cm).

[0152] In the embodiment of the present invention, cross-section samples are collected at intervals of 5 cm, and a loss on ignition experiment is performed to obtain the LOI of the deposited samples at continuous depths. 550 and LOI 1000 649 pieces of data each.

[0153]...

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Abstract

The invention belongs to the technical field of paleoclimate global change analysis, and discloses an analysis method and system for reconstructing paleoclimate through ignition loss data, a medium and a terminal.The analysis method for reconstructing the paleoclimate through the ignition loss data comprises the steps that on the basis of original data of paleoclimate indexes in sediment, signal analysis is conducted firstly, and then signal analysis is conducted; the method comprises the following steps of: dividing original data into different cycles of internal self-consistency by utilizing time-frequency analysis and time sequence analysis, revealing related characteristics of the original data by utilizing Pearson's correlation analysis in each cycle, and analyzing characteristics and change rules of climate index content in each cycle by utilizing noise reduction filtering and a statistical method on the basis of correlation analysis; meanwhile, a multi-dimensional continuous qualitative to semi-quantitative paleo-environment characteristic-temperature and humidity-change process is obtained, climate types on a sedimentary profile are summarized, and a climate model is established. The method provides basic technical support for promoting global change research and predicting climate change.

Description

technical field [0001] The invention belongs to the technical field of paleoclimate global change analysis, and in particular relates to an analysis method, system, medium and terminal for reconstructing paleoclimate from loss on ignition data. Background technique [0002] Understanding and predicting the future trend of global climate change is the basic task of sustainable development of human society. Using paleoclimate indicators in geological records to restore the characteristics and frequency of paleoclimate changes can provide basic models and evidence for understanding the process and mechanism of climate change and predicting future climate change trends. [0003] Minerals, fossils, geochemical and geophysical indicators in the geological record play an important role in paleoclimate reconstruction, but the identification time is long, the testing cost is high, and the integrity of paleoclimate information interpretation needs to be improved urgently. The loss on...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06K9/62G06F17/18
CPCG06Q10/04G06F17/18G06F18/23
Inventor 张新荣方石
Owner JILIN UNIV
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