CN106769170A - A kind of acquisition method of karst underground hole, crack and soil information - Google Patents
A kind of acquisition method of karst underground hole, crack and soil information Download PDFInfo
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- 239000002689 soil Substances 0.000 title claims abstract description 109
- 238000000034 method Methods 0.000 title claims abstract description 54
- 238000005070 sampling Methods 0.000 claims abstract description 5
- 239000011435 rock Substances 0.000 claims description 23
- 238000011160 research Methods 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 238000002474 experimental method Methods 0.000 claims description 3
- 230000000877 morphologic effect Effects 0.000 abstract description 17
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000004162 soil erosion Methods 0.000 abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 239000011591 potassium Substances 0.000 description 7
- 229910052700 potassium Inorganic materials 0.000 description 7
- 235000019738 Limestone Nutrition 0.000 description 6
- 239000006028 limestone Substances 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000005527 soil sampling Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000023753 dehiscence Effects 0.000 description 2
- 239000010459 dolomite Substances 0.000 description 2
- 229910000514 dolomite Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 206010011224 Cough Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 206010047700 Vomiting Diseases 0.000 description 1
- WYWFMUBFNXLFJK-UHFFFAOYSA-N [Mo].[Sb] Chemical compound [Mo].[Sb] WYWFMUBFNXLFJK-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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- 238000000151 deposition Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 231100000640 hair analysis Toxicity 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- 230000008635 plant growth Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
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- Life Sciences & Earth Sciences (AREA)
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- Health & Medical Sciences (AREA)
- Immunology (AREA)
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- General Life Sciences & Earth Sciences (AREA)
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses the acquisition method of a kind of karst underground hole, crack and soil information, the method step includes：Sampling point arrange with choose, quadrat size and quantity are set, lower opening (splitting) gap morphological feature acquisition method and index, collecting soil sample method, lower opening (splitting) gap soil collecting method, collecting soil sample is sequentially in lower opening (splitting) gap.The present invention is using the instruments such as price economical, simple to operate geologic compass, levelling rod, 5m tape measures, cutting ring, collection karst ground lower opening (splitting) gap morphological feature and its pedotheque.The advantage such as the acquisition method has controllability and operability, reliable, actual application value is high comprehensively, at the same the present invention can make up it is current on karst ground lower opening (splitting) gap morphological feature and the asymmetric problem of collecting soil sample.The present invention can study important impetus for karst soil erosion and ground lower opening (splitting) gap soil bearing features etc..
Description
Technical field
The invention belongs to water and soil conservation and agrology field, more particularly to a kind of karst underground hole, crack and soil
The acquisition method of earth information, is exclusively used in karst ground lower opening (splitting) gap morphological feature and wherein collecting soil sample.
Background technology
China is that karst area distributions are most widely national in the world, even if not including the karst for burying, only by carbon
The karst area of hydrochlorate rocks exposure development is just up to 1,300,000 km2, wherein the southwest only earth's surface noise made in coughing or vomiting centered on Guizhou
This special outcrop area is just up to 510,000 km2, it is that global Karst Development is strong, is distributed the area also concentrated the most, it is typical life
State vulnerable environment area.These carbonate rocks easily form the uniqueness such as hole, crack under corrosion in shallow surface
Karst Geological Landscape environment.The presence of ground lower opening (splitting) gap so that there is the loss in earth's surface and underground both direction in karst,
Simultaneously the soil of preservation can provide the condition of basing oneself upon for plant growth in lower opening (splitting) gap.At present, in terms of karst soil
Research expands to rock pore from the preservation research of surface soil（Split）The underground space of gap, ground lower opening (splitting) gap soil is assigned
Depositing feature has turned into a big study hotspot.
Due to the disguise and complexity of karst ground lower opening (splitting) gap, current research scholar's research karst ground lower opening
The method of (splitting) gap is mainly piles up the methods such as simulation, the monitoring of field small watershed with steel tank simulation, uniform stone.These methods
Have the shortcomings that it is common be it is not enough for karst ground lower opening (splitting) gap morphological feature and wherein soil bearing features understanding, lead
Cause related research to be in the dummy run phase on basis, there is larger difference with actual conditions.
In addition, the method for collection karst ground lower opening (splitting) gap morphological feature mainly uses geological radar or three-dimensional laser
Scanner carries out detection computer statistically lower opening (splitting) gap feature to underground shallow layer porous dehiscence gap, though both approaches can be faster
The feature of record hillside fields ground lower opening (splitting) gap, it is poor to small porous dehiscence gap resolution when all there is a problem of, while cannot collect
Accordingly pedotheque in lower opening (splitting) gap, this exists to the soil erosion of karst underground, the research of soil bearing features
Larger limitation.
Therefore, accurately epistemically lower opening (splitting) gap morphological feature and its soil bearing features, the research to the field is
It is particularly significant.And it is current, not yet there is the side of unified ground lower opening (a splitting) gap shape information collection and its collecting soil sample
Method.Therefore, the present invention is gained knowledge with geology field investigation method and soil, and the ground lower opening in nature hillside fields is explored by field
The acquisition method of (splitting) gap morphological feature and pedotheque, eventually finds karst ground lower opening (splitting) gap and its soil information is adopted
Diversity method.This will study important promotion and make to karst soil erosion and ground lower opening (splitting) gap soil bearing features etc.
With.
The content of the invention
Present invention aim at the acquisition method for providing a kind of karst underground hole, crack and soil information, the method
Solve current karst ground lower opening (splitting) gap morphological feature collection degree of accuracy deficiency and ground lower opening (splitting) gap morphological feature
Information and the asymmetric problem of pedotheque, meanwhile, the instrument needed for the method is mainly geologic compass, 5m tape measures, level
Chi, cutting ring, it is cheap, easily obtain, with controllability, comprehensively reliable, the advantage such as actual application value is high, simple to operate.
The purpose of the present invention and solve its technical problem underlying using following technical scheme and realize：A kind of karst
The acquisition method of underground hole, crack and soil information, comprises the following steps：
(1) according to research contents, to pass through line-intercept method arrangement sample ground in survey region, the side slope excavated is chosen by inquiry
Section is used as ground lower opening, the sampling point of crack information gathering；
(2) three ground lower opening, crack sample prescriptions of each section sample-plot survey, each sample prescription is 2.0m high × 1.5m wide；
(3) excavate that section ground lower opening, the occurrence in crack, inclination angle, opening width, mark be long, footpath with the collection of geologic survey statistic window method
Long and each index of lengthwise；
(4) combining form of collecting soil sample selection " top layer space+lower layer space ", gathers earth's surface and ground lower opening, splits respectively
Pedotheque in gap, each depth gather three pedotheques it is well mixed after be put into sample sack, for being managed in later stage room
Change property to determine；
(5) pedotheque for collecting is weighed and preserved with valve bag after recording, in experiment indoor measurement physicochemical property.
The acquisition method of above-mentioned a kind of karst underground hole, crack and soil information, wherein：The step（3）
Aperture distinguishes locality lower opening, crack top, the opening width of middle and least significant end.
The acquisition method of above-mentioned a kind of karst underground hole, crack and soil information, wherein：The step（4）Ground
Table collecting soil sample depth is 0 ~ 20cm.
The acquisition method of above-mentioned a kind of karst underground hole, crack and soil information, wherein：The step（4）Ground
Lower opening, crack soil collecting method are to be divided into two kinds：
1. basement rock exposure is in earth's surface, then the line on the basis of earth's surface, respectively locality in lower opening, crack depth 20cm, 40cm and
Pedotheque at 60cm；
2. basement rock heeling-in below the surface soil layer then by rock peak be on the basis of point, it is locality deep in lower opening, crack respectively
The pedotheque spent at for 40cm, 60cm and 80cm.
The acquisition method of above-mentioned a kind of karst underground hole, crack and soil information, wherein：The step（3）Fortune
Ground lower opening, the occurrence of crack basement rock, inclination angle are determined with geologic compass, ground lower opening, the opening width in crack, mark are determined with tape measure
Long, path length and lengthwise.
The acquisition method of above-mentioned a kind of karst underground hole, crack and soil information, wherein：The step（4）Soil
Earth sample collection order is the pedotheque for first gathering the bottom, is then up gathered successively, in case upper layer of soil sample is under
Layer pedotheque is polluted.
The acquisition method of above-mentioned a kind of karst underground hole, crack and soil information, wherein：The step（4）Ground
Collecting soil sample instrument is 5.0cm high, diameter 2.0cm, volume 15.7cm in lower opening, crack3Cutting ring.
The acquisition method of above-mentioned a kind of karst underground hole, crack and soil information, wherein：The step（5）Soil
Earth sample physical and chemical property determining uses traditional detection method.
The present invention has clear advantage and beneficial effect compared with prior art.From above technical scheme, this hair
Testing equipment needed for bright is cheap, easily obtains, while the morphological feature and its soil of accordingly lower opening (splitting) gap can be collected
Earth sample, with good controllability and actual application value, by the method can efficiently, quick locality lower opening (splitting) gap
Morphological feature and its pedotheque.
Brief description of the drawings
Fig. 1 is Technology Roadmap of the invention；
Fig. 2 be section sample of the invention arrange schematic diagram；
Fig. 3 is ground of the invention lower opening (splitting) gap morphological index acquisition method schematic diagram；
Ground lower opening (splitting) gap collecting soil sample depth schematic diagram when Fig. 4 is basement rock exposure of the present invention；
Fig. 5 is ground lower opening (splitting) gap collecting soil sample depth schematic diagram that the present invention buries type basement rock.
Marked in figure：1st, lower opening (splitting) gap sample prescription scope；2nd, opening width；3rd, inclination angle；4th, path length；5th, mark is long；6th, lengthwise；
7th, soil；8th, basement rock；9th, earth's surface；10th, lower opening (splitting) gap soil sampling datum line；11st, soil sampling in lower opening (splitting) gap
Depth.
Specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to according to a kind of karst underground hole proposed by the present invention, crack and
The acquisition method specific embodiment of soil information, feature and its effect, describe in detail as after.
Referring to Fig. 1-5, the acquisition method of a kind of karst underground hole, crack and soil information is comprised the following steps：
(1) according to research contents, to pass through line-intercept method arrangement sample ground in survey region, the side slope excavated is chosen by inquiry
Section is used as ground lower opening, the sampling point of crack information gathering；
(2) three ground lower opening, crack sample prescriptions of each section sample-plot survey, each sample prescription is 2.0m high × 1.5m wide, sees Fig. 2；
(3) excavate that section ground lower opening, the occurrence in crack, inclination angle, opening width, mark be long, footpath with the collection of geologic survey statistic window method
Long and each index of lengthwise, is shown in Fig. 3；
(4) combining form of collecting soil sample selection " top layer space+lower layer space ", gathers earth's surface and ground lower opening, splits respectively
Pedotheque in gap, each depth gather three pedotheques it is well mixed after be put into sample sack, for being managed in later stage room
Change property to determine；
(5) pedotheque for collecting is weighed and preserved with valve bag after recording, in experiment indoor measurement physicochemical property.
The step（3）Ground lower opening, the occurrence of crack basement rock, inclination angle are determined with geologic compass, determines ground with tape measure
Lower opening, the opening width in crack, mark long, path length and lengthwise.
The step（3）Opening width distinguishes locality lower opening, crack top, the opening width of middle and least significant end.
The step（4）Surface soil sample collection depth is 0 ~ 20cm.
The step（4）Ground lower opening, crack soil collecting method are to be divided into two kinds：
1. basement rock exposure is in earth's surface, then the line on the basis of earth's surface, respectively locality in lower opening, crack depth 20cm, 40cm and
Pedotheque at 60cm, is shown in Fig. 4；
2. basement rock heeling-in below the surface soil layer then by rock peak be on the basis of point, it is locality deep in lower opening, crack respectively
The pedotheque spent at for 40cm, 60cm and 80cm, is shown in Fig. 5.
The step（4）Collecting soil sample order is the pedotheque for first gathering the bottom, is then up gathered successively,
In case upper layer of soil sample is polluted to lower soil sample.
The step（4）Collecting soil sample instrument is 5.0cm high, diameter 2.0cm, volume in ground lower opening, crack
15.7cm3Cutting ring.
The step（5）Pedotheque physical and chemical property determining uses traditional detection method.
Embodiment：
(1) in the process of the present invention, ground lower opening (splitting) gap that soil matrix rock is limestone is selected in Guiyang City, Guizhou Province Huaxi District to enter
Row ground lower opening (splitting) gap morphological feature and its collecting soil sample.
(2) in the process of the present invention, both sides karst development construction item is newly excavated in research area Nei Yan highways
Representative vertical section is investigated and sampled.
(3) after selecting the good section for having excavated, with 3 are selected on geologic survey statistic window method section lower opening (splitting) gap samples
Side, each sample prescription ground lower opening (splitting) gap is the rectangle of 2.0m high × 1.5m wide.Ground lower opening (splitting) gap morphological feature is used when gathering
Geologic compass determines the occurrence, inclination angle of ground lower opening (splitting) gap basement rock, and the opening width, mark of ground lower opening (splitting) gap are determined with tape measure
Long, path length and lengthwise.It is shown in Table 1.
(4) in sample prescription collecting soil sample selection " top layer space+lower layer space " combining form, respectively gather earth's surface and
Pedotheque in ground lower opening (splitting) gap, wherein surface soil sampling depth are 0 ~ 20cm, and the soil in ground lower opening (splitting) gap is adopted
Sample depth is 40,60 and 80cm, each sampling depth cutting ring gather 3 pedotheques weigh, it is well mixed after be put into it is self-styled
In bag, for the physicochemical property of indoor measurement pedotheque.Total soil nitrogen diffusion method；Total Phosphorus In Soil molybdenum antimony resistance colorimetric method；
The full potassium flare photometer of soil；Soil pH value is determined with pH meter (GL27859-87)；Soil mechanical composition densimeter
Method.
Lithology is the L1 cracks of limestone, the stickiness particle in soil（＜ 0.002mm）Content is 51.25% ~ 71.67%,
Its fractal dimension scope is 2.69 ~ 2.82, and from top layer to lower soil, the sticky content of soil gradually increases, its FRACTAL DIMENSION
Number gradually rises, and meets the feature of karst soil " upper Panasonic is tight ".
Lithology is the L2 cracks of limestone, the stickiness particle in soil（＜ 0.002mm）Content is 26.65% ~ 36.85%,
Its fractal dimension scope is 2.56 ~ 2.67, and from top layer to lower soil, the sticky content first increases and then decreases of soil, its point
Shape dimension is also first raised and reduced afterwards.Kingdom's beam[19]Think soil fractal dimension and being proportionate property of sticky content, i.e. soil sticking grain
Content soil high, its fractal dimension is also big, and the soil in L2 cracks is also substantially conforming to this rule.The sticking grain of L2 cracks soil
Content and fractal dimension minimum value are both present in the bottom in crack, even less than topsoil, occur in that with L1 cracks not
With phenomenon, it may be possible to due under the fissure lime stone land karsts developing area than stronger, in rock soil interface, water chemical action is strong
Strong, the sand grains after rock dissolves has been mixed into soil, causes the reduction of its sticky content.
Lithology is dolomitic D1 cracks, the stickiness particle in soil（＜ 0.002mm）Content is 27.66% ~ 64.48%,
Its fractal dimension scope is 2.56 ~ 2.80；Lithology is dolomitic D2 cracks, the stickiness particle in soil（＜ 0.002mm）Contain
It is 28.56% ~ 46.57% to measure, and its fractal dimension scope is 2.57 ~ 2.72.Dolomite crack from top layer to lower soil, substantially
The sticky content that soil is presented gradually increases, the rule that fractal dimension gradually rises.This be probably because dolomite hardness is big, its
Weathering occurs mainly in surface rock, and the corrosion of underground occurs more slow, the surface soil constantly accumulation in crack, place
In the soil aperture of lower floor due to extruding, constantly it is compacted, causes soil hardening, sticky content to raise.It is shown in Table 2.
(5) Characteristics of Soil Nutrient of earth's surface and ground lower opening (splitting) gap
Lithology is that 7.61 ~ 7.69, L2 cracks pH value range is 7.58 ~ 7.87 for the L1 cracks pH value range of limestone；Lithology is
Dolomitic D1 cracks pH value range is that 7.53 ~ 7.71, D2 cracks pH value range is 7.31 ~ 7.54.This research pedotheque
PH value changes between 7.31 ~ 7.87, substantially belongs to neutrality to alkalescent, and amplitude of variation is little[20].With lower soil phase
Than the pH value of topsoil is smaller, and this is probably because topsoil is influenceed by factors such as ground flora root system effects.
Lithology is the L1 cracks and L2 cracks of limestone, the change of its total soil nitrogen, full phosphorus, full potassium content on vertical section
Change and irregular.Total nitrogen content of soil highest appears in top layer and underground third layer in L1 cracks（0.400g·kg-1）, and L2 splits
Total nitrogen content highest appears in underground ground floor in gap（2.960g·kg-1）；Soil total nitrogen highest is appeared in L1 cracks
Subbasement（0.356g·kg-1）, and content of tatal phosphorus highest appears in underground ground floor in L2 cracks（1.097g·kg-1）；
Total potassium content of soil highest appears in subbasement in L1 cracks（14.128g·kg-1）, and full potassium content highest in L2 cracks
Appear in top layer（4.857g·kg-1）.
Lithology is dolomitic D1 cracks and D2 cracks, the change of its total soil nitrogen, full phosphorus, full potassium content on vertical section
Rule is compared in change.Total soil nitrogen, content of tatal phosphorus highest are generally present in top layer, with the increasing in depth on soil vertical section
Plus, its content is also substantially on a declining curve；And potassium content is then different entirely, in D2 cracks, with soil vertical section
Increase in depth, its full potassium content also substantially occurs in that downward trend, but one is but occurred in that in D1 cracks almost
Opposite phenomenon.It is shown in Table 3.
To sum up, the present invention has advantages below：1. testing equipment needed for the present invention is cheap, easily obtains, operation letter
It is single；2. the morphological feature and its pedotheque of accordingly lower opening (splitting) gap can be collected, should with good controllability and reality
With value, by the method can efficiently, quick locality lower opening (splitting) gap morphological feature.
The above, is only presently preferred embodiments of the present invention, and any formal limitation is not made to inventing type, is appointed
What any is simply repaiied without departing from technical solution of the present invention content according to what technical spirit of the invention was made to above example
Change, equivalent variations and modification, still fall within the range of technical solution of the present invention.
Claims (8)
1. the acquisition method of a kind of karst underground hole, crack and soil information, it is characterised in that：Comprise the following steps：
(1) according to research contents, to pass through line-intercept method arrangement sample ground in survey region, the side slope excavated is chosen by inquiry
Section is used as ground lower opening, the sampling point of crack information gathering；
(2) three ground lower opening, crack sample prescriptions of each section sample-plot survey, each sample prescription is 2.0m high × 1.5m wide；
(3) excavate that section ground lower opening, the occurrence in crack, inclination angle, opening width, mark be long, footpath with the collection of geologic survey statistic window method
Long and each index of lengthwise；
(4) combining form of collecting soil sample selection " top layer space+lower layer space ", gathers earth's surface and ground lower opening, splits respectively
Pedotheque in gap, each depth gather three pedotheques it is well mixed after be put into sample sack, for being managed in later stage room
Change property to determine；
(5) pedotheque for collecting is weighed and preserved with valve bag after recording, in experiment indoor measurement physicochemical property.
2. the acquisition method of a kind of karst underground hole as claimed in claim 1, crack and soil information, its feature exists
In：The step（3）With geologic compass determine ground lower opening, the occurrence of crack basement rock, inclination angle, with tape measure determine ground lower opening,
The opening width in crack, mark are long, path length and lengthwise.
3. the acquisition method of a kind of karst underground hole as claimed in claim 1, crack and soil information, its feature exists
In：The step（3）Opening width distinguishes locality lower opening, crack top, the opening width of middle and least significant end.
4. the acquisition method of a kind of karst underground hole as claimed in claim 1, crack and soil information, its feature exists
In：The step（4）Surface soil sample collection depth is 0 ~ 20cm.
5. the acquisition method of a kind of karst underground hole as claimed in claim 1, crack and soil information, its feature exists
In：The step（4）Ground lower opening, crack soil collecting method are to be divided into two kinds：
1. basement rock exposure is in earth's surface, then the line on the basis of earth's surface, respectively locality in lower opening, crack depth 20cm, 40cm and
Pedotheque at 60cm；
2. basement rock heeling-in below the surface soil layer then by rock peak be on the basis of point, it is locality deep in lower opening, crack respectively
The pedotheque spent at for 40cm, 60cm and 80cm.
6. the acquisition method of a kind of karst underground hole as claimed in claim 1, crack and soil information, its feature exists
In：The step（4）Collecting soil sample order is the pedotheque for first gathering the bottom, is then up gathered successively, in order to avoid
Upper layer of soil sample is polluted to lower soil sample.
7. the acquisition method of a kind of karst underground hole as claimed in claim 1, crack and soil information, its feature exists
In：The step（4）Collecting soil sample instrument is 5.0cm high, diameter 2.0cm, volume 15.7cm in ground lower opening, crack3's
Cutting ring.
8. the acquisition method of a kind of karst underground hole as claimed in claim 1, crack and soil information, its feature exists
In：The step（5）Pedotheque physical and chemical property determining uses traditional detection method.
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|---|---|---|---|---|
| CN108593505A (en) * | 2018-04-18 | 2018-09-28 | 贵州大学 | A kind of analysis method of karst soil underground leakage |
| CN108614088A (en) * | 2018-04-24 | 2018-10-02 | 贵州大学 | A method of it is missed using rare earth element tracer karst soil |
| CN108828182A (en) * | 2018-04-16 | 2018-11-16 | 贵州师范大学 | A kind of dedicated depression in Karst region or the quick sampling Detection method of farming land soil |
| CN110006808A (en) * | 2019-05-08 | 2019-07-12 | 桂林理工大学 | A kind of simulation Karst region crack pipeline developmental state device |
| CN113324785A (en) * | 2021-06-07 | 2021-08-31 | 中国科学院亚热带农业生态研究所 | Method for quickly setting forest survey sample plot |
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| CN108593505B (en) * | 2018-04-18 | 2020-09-29 | 贵州大学 | Analysis method for underground soil leakage in karst region |
| CN108614088A (en) * | 2018-04-24 | 2018-10-02 | 贵州大学 | A method of it is missed using rare earth element tracer karst soil |
| CN108614088B (en) * | 2018-04-24 | 2021-04-13 | 贵州大学 | Method for tracing soil loss in karst region by using rare earth elements |
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| CN113324785A (en) * | 2021-06-07 | 2021-08-31 | 中国科学院亚热带农业生态研究所 | Method for quickly setting forest survey sample plot |
| CN113640041A (en) * | 2021-09-18 | 2021-11-12 | 贵州大学 | Rock-soil interface form and soil information acquisition method for karst rocky desertification region |
| CN113640041B (en) * | 2021-09-18 | 2024-03-08 | 贵州大学 | Karst stony desertification area rock-soil interface morphology and soil information acquisition method |
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