CN110514135A - A kind of soil frozen depth measuring device and measuring method - Google Patents
A kind of soil frozen depth measuring device and measuring method Download PDFInfo
- Publication number
- CN110514135A CN110514135A CN201910897521.4A CN201910897521A CN110514135A CN 110514135 A CN110514135 A CN 110514135A CN 201910897521 A CN201910897521 A CN 201910897521A CN 110514135 A CN110514135 A CN 110514135A
- Authority
- CN
- China
- Prior art keywords
- soil
- pvc pipe
- transparent
- frozen depth
- transparent pvc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002689 soil Substances 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title abstract description 6
- 229960000907 methylthioninium chloride Drugs 0.000 claims abstract description 23
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 230000008014 freezing Effects 0.000 claims abstract description 13
- 238000007710 freezing Methods 0.000 claims abstract description 13
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 238000000691 measurement method Methods 0.000 claims abstract description 7
- 238000004080 punching Methods 0.000 claims abstract description 4
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 claims description 7
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- 241001062009 Indigofera Species 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 claims description 2
- 238000006297 dehydration reaction Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- MCPLVIGCWWTHFH-UHFFFAOYSA-L methyl blue Chemical compound [Na+].[Na+].C1=CC(S(=O)(=O)[O-])=CC=C1NC1=CC=C(C(=C2C=CC(C=C2)=[NH+]C=2C=CC(=CC=2)S([O-])(=O)=O)C=2C=CC(NC=3C=CC(=CC=3)S([O-])(=O)=O)=CC=2)C=C1 MCPLVIGCWWTHFH-UHFFFAOYSA-L 0.000 claims 1
- 239000010410 layer Substances 0.000 description 7
- 230000001932 seasonal effect Effects 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- -1 1,2- methylene Chemical group 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/22—Measuring arrangements characterised by the use of optical techniques for measuring depth
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention belongs to wintering ecology research fields, it is related to a kind of soil frozen depth measuring device, including PVC sealing plug 1, methylene blue solution 2, transparent PVC pipe 4 and the graduation mark 3 for being set to 4 outer wall of transparent PVC pipe, the PVC sealing plug 1 seals, and the concentration of the methylene blue solution 2 is 2%；The length of the transparent PVC pipe 4 required can be selected according to fathoming, when fathoming within the scope of 1-2m, the transparent PVC pipe 4 of hard can be used directly to measure, when fathoming greater than 2m, then goed deep into built in the punching of hard PVC pipe with soft transparent PCV pipe 4, so that taking-up be facilitated to measure.The invention further relates to a kind of soil frozen depth measurement methods.Apparatus of the present invention and method are at low cost, and measurement freezing efficiency is good, and data are accurate, using operating conveniently, facilitate storage, are suitble to grassland field trial.
Description
Technical field
The present invention relates to wintering ecology research fields, and in particular to a kind of soil frozen depth measuring device and measurement side
Method.
Background technique
Soil is the main living environment of land plant.More or less all contain moisture inside soil, when native into people's winter
When earth temperature drops to 0 DEG C or less, the moisture in soil will congeal into ice, and freeze together together with soil particle, then with regard to shape
At frozen soil.As no matter how cold rivers and lakes winter is, it is also difficult to which the reason that appearance integrally freezes is the same, and soil also has huge
Thermal capacity.Although upper layer has frozen, after reaching certain soil layer down, temperature no longer declines, and is maintained at a base throughout the year
This constant level, and the temperature of this soil layer does not change with the variation of external environmental condition, this layer is known as thermostat layer.Soil
The depth of freezing of earth, depending on 0 DEG C of earth's surface or less intensity, water regime of soil and soil texture of low temperature etc..Plant and dynamic
Object mostly carries out vital movement in the level that depth of soil is 1-2m, therefore the measurement of the topsoil depth of freezing seems especially heavy
It wants.
Soil freezing-thawing acts on the salinization and alkalization that can aggravate soil, and unfreezing promotes greenhouse gas emission, therefore winter
Concern of the soil freezing-thawing in season by originally more researchers.Grassland is considered as maximum management ecosystem on the earth
System, the combined influence by frequent mankind's activity and lasting Global climate change.Climate change influences by various modes
The world's ecosystems, change physiology, phenology, breeding, survival and the distribution of many species, even result in species extinction.Constantly
The research evidence of accumulation shows that climate change is to influence one of the principal element of bio-diversity, gives bio-diversity conservation band
Carry out huge challenge.Therefore, inquiring into influence of the climate change to bio-diversity can be in time region or even global bio-diversity
Protection provides important references and foundation.The measurement method of existing Seasonal analysis thickness, based on " in seasonal frozen soil region
Domain, upper layer of soil resistivity are much larger than lower soil resistivity, and the profound degree of an electric current being embedded in two electrodes of ground end increases
Add, will lead to the decline of earth's surface two o'clock potential difference, after penetrating upper layer frozen soil due to electric current pole, ground resistance sharply declines, and leads to ground
Table potential difference change rate is sharply reduced " principle, although solving the problems, such as frost zone thickness measure, there are costs
A variety of unfavorable factors such as height, structure is complicated, and condition of power supply is limited.
To avoid the above unfavorable factor, convenient for studying the seasonal variety of soil frozen depth under different processing or freezing
Depth difference provides some technical supports, therefore just devises a kind of reasonable soil frozen depth measurement in apparatus of the present invention
Device, so that grassland ecology research under climate change is carried out, to predict influence of the Future Climate Change to meadow.
Summary of the invention
In order to overcome a series of defects of the existing technology, the purpose of the present invention is to provide a kind of soil frozen depths
Measuring device and measuring method, to solve the problems mentioned in the above background technology.
A kind of soil frozen depth measuring device of the invention, including PVC sealing plug 1, methylene blue solution 2, transparent PVC
Pipe 4 and the graduation mark 3 for being set to 4 outer wall of transparent PVC pipe, the sealing plug 1 seal, the methylene blue solution 2
Concentration is 2%.
Preferably, the specification of the PVC sealing plug 1 is GB10002.2,1.0MPA, 20mm, conduct in one end is pricked into soil
Bottom, the other end are exposed at outside soil.
Preferably, the methylene blue solution 2 is waited when in use is added in transparent PVC pipe, and anhydrous methylene indigo plant is golden red
Color dodges golden light or dodges the powder of bronze coloured light, is dissolved in water, alcohol, and chloroform does not dissolve in ether, and solution is blue, after freezing
Dehydration display anhydrous methylene indigo plant color pink colour or bronze-colored, can develop the color and indicate soil frozen depth, play instruction colour developing and make
With.
Preferably, the graduation mark 3 passes through reading after developing the color by methylene blue solution 2 in the outer wall of transparent PVC pipe 4
Graduation indication goes out soil frozen depth numerical value.
Preferably, 4 length of transparent PVC pipe can needed for be selected according to fathoming, when fathoming in 1-
When within the scope of 2m, the transparent PVC pipe 4 of hard can be used directly to measure, when fathoming greater than 2m, then with soft transparent
PCV pipe 4 deeply built in the punching of hard PVC pipe, measures to facilitate and take out.
A kind of soil frozen depth measurement method of the invention, uses the soil frozen depth that claim is of the invention
Measuring device, the measurement method include the following steps:
(1) it is punched by diameter and the mutually suitable earth boring auger of transparent PVC pipe 4, the methylene blue solution for being 2% by concentration
2 are put into transparent PVC pipe 4, are sealed by sealing plug 1, can be sealed with cementing；
(2) it places into the soil before snowfall is freezed, to monitor soil frozen depth in winter, embedded mode can be according to measurement
The difference of case depth is divided into two kinds:
The soil frozen depth for such as measuring surface 1-2m, the transparent PVC pipe 4 for directlying adopt hard are measured；
It is greater than the soil frozen depth of 2m as measured, then needs first to go deep into hard PVC pipe inside soil, then will be equipped with
The soft transparent PVC hose 4 for the methylene blue solution 2 that concentration is 2% is put into inside it；
(3) it is measured according to colour developing, by conduction after winter soil freezing, so that the methylene that concentration is 2%
Blue solution 2 freezes, and the methylene blue solution 2 after frost becomes pink colour from blue, by color change, in transparent PVC hose 4
Readout value on scale, to measure soil frozen depth.
Soil frozen depth measuring device of the invention has the advantages that
The present invention can facilitate the measurement grassland soil depth of freezing, and recyclable collection, does not take up space when not having to.It is at low cost,
It is good to measure effect, is suitble to be ecological Studies personnel or climate change personnel uses, it is raw to simulation climate Changeement meadow winter
The soil freezing of state plays crucial technical support.
Detailed description of the invention
Fig. 1 is the overall schematic of soil frozen depth measuring device of the invention；
Fig. 2 is the operation schematic diagram of soil frozen depth measuring device of the invention；
Appended drawing reference in figure are as follows:
1-PVC sealing plug 1,2- methylene blue solution, 3- scale, 4- transparent PVC pipe
Specific embodiment
To keep the purposes, technical schemes and advantages of the invention implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.The word of embodiment and directionality below with reference to attached drawing description
It is exemplary, it is intended to be used to explain the present invention, and be not considered as limiting the invention.Based on the implementation in the present invention
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The scope of protection of the invention.The embodiment of the present invention is described in detail with reference to the accompanying drawing.
In a broad embodiment of the invention, a kind of soil frozen depth measuring device specifically includes that invention diameter is
The transparent PVC pipe 4 of 2mm, outer wall have accurate scale 3；Two are played the PVC sealing plug 1 of sealing, are located at transparent
The both ends of pvc pipe, specification GB10002.2,1.0MPA, 20mm；The methylene blue that concentration in transparent PVC pipe is 2%
Solution 2.
The specification of the PVC sealing plug 1 is GB10002.2,1.0MPA, 20mm, and one end is used as bottom in pricking into soil, separately
One end is exposed at outside soil.
The methylene blue solution 2 is waited when in use to be added in transparent PVC pipe 4, and anhydrous methylene indigo plant is that golden red dodges gold
Light or the powder for dodging bronze coloured light are dissolved in water, alcohol, and chloroform does not dissolve in ether, and solution is blue, are dehydrated after freezing aobvious
Show anhydrous methylene indigo plant color pink colour or bronze-colored, can develop the color and indicate soil frozen depth, plays instruction coloration.
The graduation mark 3 passes through reading graduation indication in the outer wall of transparent PVC pipe 4 after developing the color by methylene blue solution 2
Soil frozen depth numerical value out.
4 length of transparent PVC pipe can needed for be selected according to fathoming, when fathoming within the scope of 1-2m
When, it the transparent PVC pipe 4 of hard can be used directly to measure, when fathoming greater than 2m, then goed deep into soft transparent PCV pipe 4
Built in the punching of hard PVC pipe, so that taking-up be facilitated to measure.
By taking the Hulunbeier sandland of the Inner Mongol as an example, the annual May 1 that is frozen at winter underground 1m starts to melt later
Change, melt completely to the beginning of June surface layer, soil frozen depth measuring device of the invention can be used, measurement method is as follows:
(1) by diameter, mutually suitable earth boring auger is punched with transparent PVC pipe, and the methylene blue that concentration is 2% is developed the color
Solution is put into transparent PVC pipe, is sealed by sealing plug, can be sealed with cementing；
(2) it places into the soil before snowfall is freezed, to monitor soil frozen depth in winter, embedded mode can be according to measurement
The difference of case depth is divided into two kinds:
The soil frozen depth for such as measuring surface 1-2m directlys adopt hard transparent pvc pipe and is measured；
It is greater than the soil frozen depth of 2m as measured, then needs first to go deep into hard PVC pipe inside soil, then will be equipped with
The transparent PVC hose of methylene blue solution 2 is put into inside it；
(3) it is measured according to colour developing.By conduction after winter soil freezing, so that methylene blue solution freezes,
Solution after frost becomes pink colour from blue, by color change, the readout value on the scale of transparent pipe, so that measurement is unearthed
The earth depth of freezing.
Finally it is noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, the essence for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
Mind and range.
Claims (6)
1. a kind of soil frozen depth measuring device, which is characterized in that including PVC sealing plug (1), methylene blue solution (2), thoroughly
Bright pvc pipe (4) and the graduation mark (3) for being set to transparent PVC pipe (4) outer wall, the sealing plug (1) seal, the Asia
The concentration of methyl blue solution (2) is 2%.
2. soil frozen depth measuring device according to claim 1, it is characterised in that: the rule of the PVC sealing plug (1)
Lattice are GB10002.2,1.0MPA, 20mm, and one end is used as bottom in pricking into soil, the other end is exposed at outside soil.
3. soil frozen depth measuring device according to claim 1, which is characterized in that the methylene blue solution (2)
It waits and is added in transparent PVC pipe (4) when in use, anhydrous methylene indigo plant is that golden red dodges golden light or dodges the powder of bronze coloured light,
Be dissolved in water, alcohol, chloroform does not dissolve in ether, and solution is blue, after freezing dehydration display anhydrous methylene indigo plant color pink colour or
It is bronze-colored, it can develop the color and indicate soil frozen depth, play instruction coloration.
4. soil frozen depth measuring device according to claim 3, it is characterised in that: the graduation mark (3) is transparent
The outer wall of pvc pipe (4) goes out soil frozen depth numerical value by reading graduation indication after developing the color by methylene blue solution (2).
5. soil frozen depth measuring device according to claim 1, it is characterised in that: transparent PVC pipe (4) length
It required can be selected according to fathoming, when fathoming within the scope of 1-2m, the transparent PVC pipe of hard can be used
(4) it directly measures, when fathoming greater than 2m, then with soft transparent PCV pipe (4) deeply in the punching of hard PVC pipe
It sets, so that taking-up be facilitated to measure.
6. a kind of soil frozen depth measurement method uses the soil frozen depth measuring device of any one of claim 1-5,
It is characterized in that, measurement method includes the following steps:
(1) by diameter, mutually suitable earth boring auger is punched with transparent PVC pipe (4), the methylene blue solution for being 2% by concentration
(2) it is put into transparent PVC pipe (4), is sealed, can be sealed with cementing by sealing plug (1)；
(2) it places into the soil before snowfall is freezed, to monitor soil frozen depth in winter, embedded mode can be according to measurement surface
The difference of depth is divided into two kinds:
The soil frozen depth for such as measuring surface 1-2m, the transparent PVC pipe (4) for directlying adopt hard are measured；
It is greater than the soil frozen depth of 2m as measured, then needs first to go deep into hard PVC pipe inside soil, then concentration will be housed
Soft transparent PVC hose (4) for 2% methylene blue solution (2) is put into inside it；
(3) it is measured according to colour developing, by conduction after winter soil freezing, so that the methylene blue that concentration is 2% is molten
Liquid (2) freezes, and the methylene blue solution (2) after frost becomes pink colour from blue, by color change, in transparent PVC hose (4)
Scale on readout value, to measure soil frozen depth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910897521.4A CN110514135A (en) | 2019-09-23 | 2019-09-23 | A kind of soil frozen depth measuring device and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910897521.4A CN110514135A (en) | 2019-09-23 | 2019-09-23 | A kind of soil frozen depth measuring device and measuring method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110514135A true CN110514135A (en) | 2019-11-29 |
Family
ID=68633206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910897521.4A Pending CN110514135A (en) | 2019-09-23 | 2019-09-23 | A kind of soil frozen depth measuring device and measuring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110514135A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111076646A (en) * | 2019-12-26 | 2020-04-28 | 东北电力大学 | Frozen soil freezing depth measuring device and measuring method thereof |
| CN112882103A (en) * | 2021-01-22 | 2021-06-01 | 中煤建设集团有限公司 | Method for detecting thickness of frozen soil curtain of urban underground large-scale freezing project |
| CN116698829A (en) * | 2023-08-08 | 2023-09-05 | 华能新能源股份有限公司山西分公司 | Wind-powered electricity generation basis soil freezes degree of depth measuring equipment |
| CN117387532A (en) * | 2023-12-12 | 2024-01-12 | 哈尔滨师范大学 | Soil freezing depth measuring device and measuring method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2758695Y (en) * | 2004-12-14 | 2006-02-15 | 沈阳农业大学 | Deep frozen soil pipe |
| CN2765135Y (en) * | 2005-02-06 | 2006-03-15 | 沈阳农业大学 | Improved deep-freezing tube |
| KR20090067341A (en) * | 2007-12-21 | 2009-06-25 | 한국건설기술연구원 | Apparatus for measuring freezing depth of the ground |
| CN206052677U (en) * | 2016-09-14 | 2017-03-29 | 甘肃张掖生态科学研究院 | A kind of thickness of frozen earth layer measurement apparatus |
| CN206648576U (en) * | 2017-03-27 | 2017-11-17 | 上海强迅景观工程有限公司 | A kind of frost penetration detection means |
| CN109580609A (en) * | 2018-12-17 | 2019-04-05 | 河南中原光电测控技术有限公司 | A kind of frozen soil observation method and device based on colorimetric method |
| CN211876975U (en) * | 2019-09-23 | 2020-11-06 | 中国农业大学 | Soil freezing depth measuring device |
-
2019
- 2019-09-23 CN CN201910897521.4A patent/CN110514135A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2758695Y (en) * | 2004-12-14 | 2006-02-15 | 沈阳农业大学 | Deep frozen soil pipe |
| CN2765135Y (en) * | 2005-02-06 | 2006-03-15 | 沈阳农业大学 | Improved deep-freezing tube |
| KR20090067341A (en) * | 2007-12-21 | 2009-06-25 | 한국건설기술연구원 | Apparatus for measuring freezing depth of the ground |
| CN206052677U (en) * | 2016-09-14 | 2017-03-29 | 甘肃张掖生态科学研究院 | A kind of thickness of frozen earth layer measurement apparatus |
| CN206648576U (en) * | 2017-03-27 | 2017-11-17 | 上海强迅景观工程有限公司 | A kind of frost penetration detection means |
| CN109580609A (en) * | 2018-12-17 | 2019-04-05 | 河南中原光电测控技术有限公司 | A kind of frozen soil observation method and device based on colorimetric method |
| CN211876975U (en) * | 2019-09-23 | 2020-11-06 | 中国农业大学 | Soil freezing depth measuring device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111076646A (en) * | 2019-12-26 | 2020-04-28 | 东北电力大学 | Frozen soil freezing depth measuring device and measuring method thereof |
| CN112882103A (en) * | 2021-01-22 | 2021-06-01 | 中煤建设集团有限公司 | Method for detecting thickness of frozen soil curtain of urban underground large-scale freezing project |
| CN116698829A (en) * | 2023-08-08 | 2023-09-05 | 华能新能源股份有限公司山西分公司 | Wind-powered electricity generation basis soil freezes degree of depth measuring equipment |
| CN116698829B (en) * | 2023-08-08 | 2023-10-03 | 华能新能源股份有限公司山西分公司 | Wind-powered electricity generation basis soil freezes degree of depth measuring equipment |
| CN117387532A (en) * | 2023-12-12 | 2024-01-12 | 哈尔滨师范大学 | Soil freezing depth measuring device and measuring method |
| CN117387532B (en) * | 2023-12-12 | 2024-02-23 | 哈尔滨师范大学 | Soil freezing depth measuring device and measuring method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110514135A (en) | A kind of soil frozen depth measuring device and measuring method | |
| Niu et al. | Vegetation influence on the soil hydrological regime in permafrost regions of the Qinghai-Tibet Plateau, China | |
| Niu et al. | Characteristics of thermokarst lakes and their influence on permafrost in Qinghai–Tibet Plateau | |
| Liu et al. | Analysis of the contribution of groundwater to evapotranspiration in an arid irrigation district with shallow water table | |
| Zhou et al. | Monitoring and modeling the influence of snow pack and organic soil on a permafrost active layer, Qinghai–Tibetan Plateau of China | |
| Tao et al. | Preferential flows and soil moistures on a Benggang slope: Determined by the water and temperature co-monitoring | |
| Hinkel et al. | Identification of heat‐transfer processes during soil cooling, freezing, and thaw in central alaska | |
| Iwata et al. | Comparison of soil frost and thaw depths measured using frost tubes and other methods | |
| CN104502564A (en) | Soil parameter experiment method | |
| CN108445192A (en) | A kind of multi-functional frost heave, thaw collapse experimental rig | |
| US10228489B2 (en) | Method for detecting glacier melting based on tracer technology | |
| CN208488452U (en) | A kind of multi-functional frost heave, thaw collapse experimental rig | |
| Dobchuk et al. | Long-term monitoring and modelling of a reclaimed watershed cover on oil sands tailings | |
| Liu et al. | Soil evaporation and its impact on salt accumulation in different landscapes under freeze–thaw conditions in an arid seasonal frozen region | |
| Lin et al. | High spatial density ground thermal measurements in a warming permafrost region, Beiluhe Basin, Qinghai-Tibet Plateau | |
| CN211876975U (en) | Soil freezing depth measuring device | |
| CN103674607B (en) | A kind of integrated apparatus for the sampling of pot experiment soil layering | |
| Luo et al. | Mechanism of soil sodification at the local scale in Songnen Plain, northeast China, as affected by shallow groundwater table | |
| SUN et al. | Driving Force Analysis of Runoff Attenuationin Tuwei River Basin | |
| Wu et al. | Responses of soil water dynamics to precipitation events in an alpine meadow ecosystem of the Qinghai Lake Basin based on high‐precision lysimeter measurements | |
| Suo et al. | Stochastic modelling of soil water dynamics and sustainability for three vegetation types on the Chinese Loess Plateau | |
| CN205656040U (en) | Gaseous collection system in simple and easy ice | |
| CN109884268B (en) | Non-disturbance device and method for monitoring freezing and thawing depth of frozen soil in seasons | |
| CN107091701A (en) | A kind of hard soil being easily installed or frozen soil geothermometry device | |
| Zhang et al. | A field study on ice melting and breakup in a boreal lake, Pääjärvi, in Finland |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |