	US 12,461,002 B1
	Method, device, storage medium and equipment for observing hydrogen reservoir components in soil
Yongyong Zhang, Lanzhou (CN); Wenzhi Zhao, Lanzhou (CN); Zhibin He, Lanzhou (CN); and Rong Yang, Lanzhou (CN)
Assigned to Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou (CN)
Filed by Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou (CN)
Filed on Apr. 4, 2025, as Appl. No. 19/170,520.
Claims priority of application No. 202410849920.4 (CN), filed on Jun. 27, 2024.
Int. Cl. G01N 5/04 (2006.01); G01N 33/24 (2006.01)

CPC G01N 5/045 (2013.01) [G01N 33/246 (2013.01)]

4 Claims

1. A method for observing hydrogen reservoir components in soil, comprising:

collecting n samples from each of sampling soil profile points of a target sample plot,

obtaining, by a first processing unit, hydrogen components of soil pore water, hydrogen components of organic matter, and hydrogen components of lattice water corresponding to each of the n samples; and

obtaining, by a second processing unit, total hydrogen reservoir components of the target sample plot based on the hydrogen components of soil pore water, the hydrogen components of organic matter and the hydrogen components of lattice water corresponding to the n samples, wherein

a sampling depth interval between any two adjacent samples in same sampling soil profile point is consistent,

wherein the step of obtaining hydrogen components of soil pore water, hydrogen components of organic matter, and hydrogen components of lattice water corresponding to each of the n samples comprises:

controlling a drying equipment to continuously dry the sample at a first temperature for a first preset duration, so as to obtain an initial-stage dried product;

controlling the drying equipment to continuously dry the initial-stage dried product at a second temperature for a second preset duration, so as to obtain a second-stage dried product;

controlling the drying equipment to continuously dry the second-stage dried product at a third temperature for a third preset duration, so as to obtain a third-stage dried product; and

determining the hydrogen components of soil pore water, the hydrogen components of organic matter, and the hydrogen components of lattice water corresponding to the sample based on a mass of the sample, a mass of the initial-stage dried product, a mass of the second-stage dried product and a mass of the third-stage dried product, wherein

the first temperature is lower than the second temperature, and the second temperature is lower than the third temperature,

wherein the step of determining the hydrogen components of soil pore water, the hydrogen components of organic matter, and the hydrogen components of lattice water corresponding to the samples based on the mass of the sample, the mass of the initial-stage dried product, the mass of the second-stage dried product and the mass of the third-stage dried product comprises:

determining the hydrogen components of soil pore water according to the mass of the sample, the mass of the initial-stage dried product and a first preset coefficient;

determining the hydrogen components of organic matter according to the mass of the initial-stage dried product, the mass of the second-stage dried product and a second preset coefficient; and

determining the hydrogen components of lattice water according to the mass of the second-stage dried product, the mass of the third-stage dried product and a third preset coefficient,

wherein the step of obtaining total hydrogen reservoir components of a target sample plot based on the hydrogen components of soil pore water, the hydrogen components of organic matter and the hydrogen components of lattice water corresponding to the samples comprises:

determining a comprehensive weight corresponding to a sample based on a radial distance and a vertical depth corresponding to the sample, wherein

the radial distance represents a horizontal distance between a sampling soil profile point corresponding to the sample and a center point of the target sample plot, and the vertical depth represents a depth of the sample from a ground; and

obtaining the total hydrogen reservoir components of the target sample plot based on the comprehensive weights, the hydrogen components of soil pore water, the hydrogen components of organic matter and the hydrogen components of lattice water corresponding to the samples,

wherein the step of determining a comprehensive weight corresponding to a sample based on a radial distance and a vertical depth corresponding to the sample comprises:

determining a radial weight of the sample based on the radial distance corresponding to the sample;

determining a vertical weight of the sample based on the vertical depth corresponding to the sample; and

determining the comprehensive weight corresponding to the sample based on the radial weight and the vertical weight of the sample,

wherein a formula of the comprehensive weight is:

where W_irepresents a comprehensive weight of an i-th sample, W_zirepresents a vertical weight of the i-th sample, W_rirepresents a radial weight of the i-th sample, M represents a total number of the samples, D represents a maximum of sampling depth, zi represents a vertical depth of the i-th sample, ri represents a radial distance of the i-th sample, and P₁, P₂, P₃, P₄, P₅, P₆, P₇and P₈are preset parameters,

wherein a formula of the total hydrogen reservoir components of the target sample plot is:

where θ represents the total hydrogen reservoir components of the target sample plot, W_irepresents a comprehensive weight of an i-th sample, α_irepresents hydrogen components of soil pore water of the i-th sample, β_irepresents hydrogen components of organic matter of the i-th sample, and γ_irepresents hydrogen components of lattice water of the i-th sample.