CN104819927B - Rainfall erosion process determining instrument and its assay method - Google Patents
Rainfall erosion process determining instrument and its assay method Download PDFInfo
- Publication number
- CN104819927B CN104819927B CN201510162722.1A CN201510162722A CN104819927B CN 104819927 B CN104819927 B CN 104819927B CN 201510162722 A CN201510162722 A CN 201510162722A CN 104819927 B CN104819927 B CN 104819927B
- Authority
- CN
- China
- Prior art keywords
- highly
- annular concentric
- tank
- concentric circle
- erosion process
- 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.)
- Active
Links
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of rainfall erosion process determining instrument and its assay method, by the rainfall erosion process determining instrument and tripod fixed platform that are arranged at outdoor, the rainfall erosion process determining instrument, is arranged in tripod fixed platform, between fixed by fixed spiral；Rainfall erosion process determining instrument includes that internal diameter is 20cm, and external diameter is 100cm, the sputter platform of the round platform cone of 20cm high, and the width every 10cm is provided with a 5cm concentric circles tank high.What annular concentric circle tank was corresponding in turn to puts height for 15cm, 10cm, 5cm, 0cm apart from sputter platform；Different Inlet and outlet water pipelines are connected with the concentric circles tank of each distance, height.The invention further relates to using the rainfall erosion process determining instrument to the assay method of rainfall erosion process, the Splash Erosion of different periods, different raininess, different quality grogs can be determined using the instrument, rainfall erosion process line is drawn, rainfall erosion process can be clearly reproduced, had a wide range of application.
Description
Technical field
The present invention relates to soil erosion basic technology, more specifically it be a kind of rainfall erosion process determining instrument and its
Assay method.
Background technology
Raindrop splash erosion is primary action mode of the rainfall to surface soil, is by hitting surface soil, causing grogs point
The soil erosion pattern for dissipating and being carried in the form of saltation.
The Quantitative Monitoring of rainfall erosion process is one of essential content in water and soil conservation disciplinary study, traditional survey
Carried out using sputter disk more than the method for measuring soil splash amount, it is impossible to have a quantitative description to rainfall erosion process, natural drop
Different periods during rain, raininess also and is differed, and different quality grogs sputter distance is also differed, in the past in whole rainfall
Soil splash amount is obtained as handling averagely data in journey, easily produce larger error, and influence soil splash is moved
The precision of power measurement.The quantitative study and calculating of rainfall erosion process relatively lag behind, so that it cannot entering to rainfall erosion process
The research that row is deeply refined, so design a kind of rainfall erosion process determining instrument being necessary.
The content of the invention
The first object of the present invention is each time period of a kind of observable for providing, each drop apart from soil splash amount
Rain erosion process determining instrument.The second object of the present invention is that the one kind for providing uses above-mentioned rainfall erosion process determining instrument
Rainfall erosion process monitoring method.
First mesh of the invention is achieved by the following technical solution：
Rainfall erosion process determining instrument, including be arranged at the rainfall erosion process of outdoor and determine device and tripod and fix
Platform, the rainfall erosion process is determined device and is fixed in the tripod fixed platform by fixed spiral；
The rainfall erosion process determines device to include sputter platform, holds earthenware；The sputter platform is ring ladder structure；Institute
If state being provided with dried layer annular concentric circle tank on sputter platform；The height of every layer of annular concentric circle tank outwards drops step by step
It is low；Every layer of bottom land of the annular concentric circle tank is contour with adjacent next layer of annular concentric circle sink top；Described in every layer
The external diameter of annular concentric circle tank is identical with adjacent next layer of annular concentric circle tank internal diameter；
Back with water inlet line is respectively connected with the left of every layer of annular concentric circle tank, every layer of back with water inlet line is provided with pipe
Line valve；Water outlet pipeline is respectively connected with the right side of every layer of annular concentric circle tank；The every water outlet end of line connection
One collector；
The earthenware that holds is the hydrostatic column for being arranged on the upper opening at the top of the sputter platform, described to hold earthenware bottom
It is contour with innermost layer annular concentric circle sink top.
Further, the tripod fixed platform includes scalable frame leg, fixed platform and round spirit level.
Further, the annular concentric circle tank is provided with four layers.
Further, the back with water inlet line and the water outlet pipeline are the pvc pipe of internal diameter 5cm.
Further, the height of every layer of annular concentric circle tank is 5cm, 0cm is followed successively by from outside to inside and is highly located
Annular concentric circle tank, 5cm highly locates annular concentric and justify tank, 10cm highly to locate that annular concentric justifies tank and 15cm highly locates
Annular concentric justifies tank；
Annular concentric circle tank is correspondingly arranged on 0cm highly to be located back with water inlet line, 5cm and highly locates back with water inlet line, 10cm
Highly place back with water inlet line, 15cm highly locates back with water inlet line and 0cm and highly locates water outlet pipeline, 5cm highly to locate water outlet pipeline, 10cm
Highly place's water outlet pipeline, 15cm highly locate water outlet pipeline；The 0cm highly locates annular concentric circle bottom of gullet and the sputter platform
Bottom level difference is 0cm；It is poor with the sputter platform bottom level for 5cm that the 5cm highly locates annular concentric circle bottom of gullet；Institute
State 10cm highly to locate annular concentric circle bottom of gullet poor with the sputter platform bottom level is 10cm；The 15cm highly locates annular
It is 15cm that concentric circles bottom of gullet is poor with the sputter platform bottom level.
The water outlet pipeline be correspondingly connected to 0cm highly locate collector, 5cm highly locate collector, 10cm highly locate collect
Device, 15cm highly locate collector.
The 0cm highly locates annular concentric circle sink outer walls and upwardly extends and be provided with dividing plate；The divider height is higher than
20cm；
The earthenware external diameter that holds, for 20cm, is highly 5cm；It is described to hold that earthenware bottom is poor with the sputter platform bottom level to be
20cm。
The second object of the present invention is achieved by the following technical solution, and comprises the following steps：
Step one, the triangle is reinforced in the described scalable frame leg insertion field soil of fixed platform, and by described
Round spirit level is adjusted to level；
Step 2, the soil splash process monitoring instrument is attached to the tripod by the fixed spiral fixes
Platform, takes undisturbed soil sample, and the earthenware that holds is embedded in into the sputter platform top using the earthenware that holds；
It is step 3, the collector is clean with scour without sediment motion, and dry, prepare sampling, collect every time it is full one described in
Collector updates one immediately, continues to collect and record the time, uninterrupted in process of the test；
Step 4, back with water inlet line, the 5cm are highly located by 0cm described in back with water inlet line highly locate back with water inlet line, described
10cm highly locates back with water inlet line, the 5cm and highly locates back with water inlet line water flowing, to ensure that the 0cm highly locates annular concentric circle water
Groove, 5cm highly locate annular concentric circle tank, 10cm and highly locates annular concentric and justify tank, 15cm and highly locate annular concentric to justify tank
There is the clear water of certain flow, clear water flow is controlled by the pipeline valve；
After step 5, rainfall terminate, the 0cm of each time period is highly located into collector, the 5cm and highly locates to collect
Device；The 10cm highly locates collector, the 15cm and highly locates sample drying that collector is collected into, weighs and record, and obtains final product
The Splash Erosion of each period, different distance soil in whole rainfall.
A kind of rainfall erosion process determining instrument major advantage of the invention is as follows：Easy to operate, Measure Precision is high, utilizes
Rainfall erosion process determining instrument determines each period, the soil splash amount of different sputter distances, can be by whole rainfall
The regularity of occurrence and development of middle soil splash carries out quantitative analysis, draws rainfall erosion process line, has a wide range of application.Rainfall erosion
Journey determining instrument is arranged in tripod fixed platform, is easy to field to use, it is adaptable to various landform.Set Inlet and outlet water pipeline with
Concentric circles tank is connected, and the soil splash that will can occur in rainfall, the clear water by firm discharge in concentric circles is timely
Ground is collected, and the data that the soil splash since rainfall develops are obtained in time.The concentric circles tank of different height is set,
The Splash Erosion of each period survey region different distance in rainfall can be collected, when being each rainfall under identical soil environment
Section sputter degree improves calculating parameter.
Brief description of the drawings
Fig. 1 is the front view of rainfall erosion process determining instrument of the present invention.
Fig. 2 is the structural representation that rainfall erosion process of the present invention determines device.
Fig. 3 is the structural representation of tripod fixed platform in the present invention.
Fig. 4 is the top view of rainfall erosion process determining instrument of the present invention.
Fig. 5 is the top view of fixed platform in tripod of the present invention.
In figure：Rainfall erosion process determines device 1；Tripod fixed platform 2；15cm highly locates water outlet pipeline 3；10cm is high
Water outlet pipeline 4 at degree；5cm highly locates water outlet pipeline 5；0cm highly locates water outlet pipeline 6；Fixed platform 7；Scalable frame leg 8；0cm
Highly locate back with water inlet line 9；5cm highly locates back with water inlet line 10；10cm highly locates back with water inlet line 11；15cm highly locates back with water inlet line
12；15cm highly locates annular concentric circle tank 13；10cm highly locates annular concentric circle tank 14；5cm highly locates annular concentric circle
Tank 15；0cm highly locates annular concentric circle tank 16；Sputter platform 17；Hold earthenware 18；Collector 19；0cm highly locates collector
19A；5cm highly locates collector 19B；10cm highly locates collector 19C；15cm highly locates collector 19D；Fixed spiral 20；Circle
Spirit level 21；Dividing plate 22.
Specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail, but the embodiment should not be construed
Limitation of the present invention, it is only for example, while will become clearer and be readily appreciated that by illustrating advantages of the present invention.
As shown in drawings, rainfall erosion process determining instrument, including it is arranged at the rainfall erosion process measure device 1 of outdoor
With tripod fixed platform 2, rainfall erosion process determines device 1 and passes through fixed spiral 20 and be fixed in tripod fixed platform 2；
Rainfall erosion process determines device 1 to include sputter platform 17, holds earthenware 18；Sputter platform 17 is ring ladder structure；Splash
If being provided with dried layer annular concentric circle tank on erosion platform 17；The height of every layer of annular concentric circle tank is outwards reduced step by step；Every layer
The bottom land of annular concentric circle tank is contour with adjacent next layer of annular concentric circle sink top；Every layer of annular concentric justifies tank
External diameter is identical with adjacent next layer of annular concentric circle tank internal diameter；
Back with water inlet line is respectively connected with the left of every layer of annular concentric circle tank, every layer of back with water inlet line is provided with pipeline valve；
Water outlet pipeline is respectively connected with the right side of every layer of annular concentric circle tank；Every water outlet end of line connects a collector 19；
Hold the hydrostatic column that earthenware 18 is the upper opening for being arranged on the top of sputter platform 17, hold the bottom of earthenware 18 with it is most interior
Layer annular concentric circle sink top is contour.
Preferably, tripod fixed platform 2 includes scalable frame leg 8, fixed platform 7 and round spirit level 21.
Preferably, annular concentric circle tank is provided with four layers.
Preferably, back with water inlet line and water outlet pipeline are the pvc pipe of internal diameter 5cm.
Preferably, the height of every layer of annular concentric circle tank is 5cm, 0cm is followed successively by from outside to inside and highly locates annular together
Heart circle tank 16,5cm highly locate annular concentric and justifies tank 15,10cm highly to locate annular concentric and justify tank 14 and 15cm highly to locate
Annular concentric justifies tank 13；
Annular concentric circle tank is correspondingly arranged on 0cm and highly locates back with water inlet line 9,5cm highly to locate back with water inlet line 10,10cm high
At degree back with water inlet line 11,15cm highly locate back with water inlet line 12 and 0cm highly locate water outlet pipeline 6,5cm highly locate water outlet pipeline 5,
10cm highly locates water outlet pipeline 4,15cm and highly locates water outlet pipeline 3；0cm highly locates the annular concentric circle bottom of tank 16 and sputter platform
17 bottom levels difference is 0cm；It is 5cm that 5cm highly locates the annular concentric circle bottom of tank 15 with the bottom level of sputter platform 17 difference；10cm
Highly place's annular concentric circle bottom of tank 14 and the bottom level of sputter platform 17 difference is 10cm；15cm highly locates annular concentric circle tank
13 bottoms are 15cm with the bottom level of sputter platform 17 difference；
Water outlet pipeline be correspondingly connected to 0cm highly locate collector 19A, 5cm highly locate collector 19B, 10cm highly locate receive
Storage 19C, 15cm highly locate collector 19D；
0cm highly locates the annular concentric circle outer wall of tank 16 and upwardly extends and be provided with dividing plate 22；The height of dividing plate 22 is higher than 20cm；
The design of dividing plate 22 is prevented so that the larger grogs of a small amount of momentum flies out, and these grogs are collected in into outermost layer annular concentric circle water
In groove.The external diameter of earthenware 18 is held for 20cm, is highly 5cm；It is 20cm that the bottom of earthenware 18 is held with the bottom level of sputter platform 17 difference.
Using the rainfall erosion process assay method of above-mentioned rainfall erosion process determining instrument, comprise the following steps：
Step one, the scalable frame leg 8 that triangle reinforces fixed platform 2 inserted into field soil, and by round spirit level 21
It is adjusted to level；
Step 2, rainfall erosion process is determined device 1 pass through fixed spiral 20 and be attached to tripod fixed platform 2, make
Undisturbed soil sample is taken with earthenware 18 is held, and earthenware 18 will be held and be embedded in the top of sputter platform 17；
It is step 3, collector 19 is clean with scour without sediment motion, and dry, prepare sampling, a full collector is collected every time
19 update one immediately, continue to collect and record the time, uninterrupted in process of the test；
Step 4, highly locate back with water inlet line 9,5cm by back with water inlet line 0cm and highly locate back with water inlet line 10,10cm highly to locate
Back with water inlet line 11,5cm highly locates the water flowing of back with water inlet line 12, is highly located with ensureing that 0cm highly locates annular concentric circle tank 16,5cm
Annular concentric circle tank 15,10cm highly locate annular concentric justify tank 14,15cm highly locate annular concentric justify tank 13 have necessarily
The clear water of flow, clear water flow is by pipeline valve control；
Each period rain insensitive device sputter holds soil sample in earthenware 18 in rainfall, and grogs is opened to surrounding splatter, its track
It is parabola, same period, the raindrop kinetic energy that different quality soil particle is obtained is different, its sputter distance is also different；When different
Section, raindrop kinetic energy is different, also different to soil splash degree, and phase homogenous quantities grogs sputter distance is also different；
After step 5, rainfall terminate, the 0cm of each time period is highly located collector 19A, 5cm and highly locates collector
19B；10cm highly locates collector 19C, 15cm and highly locates sample drying that collector 19D is collected into, weighs and record, that is, obtain
Each period, the Splash Erosion of different distance soil in whole rainfall.
Below do not elaborate and be prior art.
Claims (6)
1. rainfall erosion process determining instrument, it is characterised in that：Rainfall erosion process including being arranged at outdoor determines device (1)
With tripod fixed platform (2), the rainfall erosion process determines device (1) and is fixed on three pin by fixed spiral (20)
In frame fixed platform (2)；
The rainfall erosion process determine device (1) including sputter platform (17), hold earthenware (18)；The sputter platform (17) is annular
Hierarchic structure；The sputter platform (17) if on be provided with dried layer annular concentric circle tank；Every layer of annular concentric justifies tank
Height is outwards reduced step by step；The bottom land of every layer of annular concentric circle tank justifies sink top with next layer of adjacent annular concentric
It is contour；Every layer of external diameter of the annular concentric circle tank is identical with adjacent next layer of annular concentric circle tank internal diameter；
Back with water inlet line is respectively connected with the left of every layer of annular concentric circle tank, every layer of back with water inlet line is provided with line valve
Door；Water outlet pipeline is respectively connected with the right side of every layer of annular concentric circle tank；The every water outlet end of line connects one
Collector (19)；
Described to hold earthenware (18) be the hydrostatic column of upper opening being arranged at the top of the sputter platform (17), described to hold earthenware
(18) bottom is contour with innermost layer annular concentric circle sink top.
2. rainfall erosion process determining instrument according to claim 1, it is characterised in that：The tripod fixed platform
(2) including scalable frame leg (8), fixed platform (7) and round spirit level (21).
3. rainfall erosion process determining instrument according to claim 2, it is characterised in that：The annular concentric circle tank sets
It is equipped with four layers.
4. rainfall erosion process determining instrument according to claim 3, it is characterised in that：The back with water inlet line and it is described go out
Water pipeline is the pvc pipe of internal diameter 5cm.
5. rainfall erosion process determining instrument according to claim 4, it is characterised in that：Every layer of annular concentric circle water
The height of groove is 5cm, be followed successively by from outside to inside 0cm highly locate annular concentric justify tank (16), 5cm highly locate annular concentric justify
Tank (15), 10cm highly locate annular concentric circle tank (14) and 15cm highly locates annular concentric and justifies tank (13)；
Annular concentric circle tank be correspondingly arranged on 0cm highly locate back with water inlet line (9), 5cm highly locate back with water inlet line (10),
10cm highly locates back with water inlet line (11), 15cm and highly locates back with water inlet line (12) and 0cm highly to locate water outlet pipeline (6), 5cm highly
Place's water outlet pipeline (5), 10cm highly locate water outlet pipeline (4), 15cm and highly locate water outlet pipeline (3)；The 0cm highly locates annular same
It is 0cm that heart circle tank (16) bottom is poor with sputter platform (17) bottom level；The 5cm highly locates annular concentric circle tank
(15) it is 5cm that bottom is poor with sputter platform (17) bottom level；The 10cm highly locates annular concentric circle tank (14) bottom
Poor with sputter platform (17) bottom level is 10cm；The 15cm highly locates annular concentric circle tank (13) bottom and is splashed with described
Erosion platform (17) bottom level difference is 15cm；
The water outlet pipeline is correspondingly connected to 0cm highly to be located collector (19A), 5cm and highly locates collector (19B), 10cm highly
Place's collector (19C), 15cm highly locate collector (19D)；
The 0cm highly locates annular concentric circle tank (16) outer wall and upwardly extends and be provided with dividing plate (22)；The dividing plate (22) is high
Degree is higher than 20cm；
Described earthenware (18) external diameter that holds, for 20cm, is highly 5cm；Earthenware (18) bottom of holding is with sputter platform (17) bottom
Difference in height is 20cm.
6., using the rainfall erosion process assay method of the rainfall erosion process determining instrument described in claim 5, its feature exists
In comprising the following steps：
Step one, by the described scalable frame leg (8) of the tripod fixed platform (2) insertion field soil, and by institute
State round spirit level (21) and be adjusted to level；
Step 2, by the rainfall erosion process determine device (1) tripod is attached to by the fixed spiral (20)
Fixed platform (2), takes undisturbed soil sample, and hold earthenware (18) the insertion sputter platform by described using the earthenware (18) that holds
(17) top；
It is step 3, the collector (19) is clean with scour without sediment motion, and dry, prepare sampling, collect every time it is full one described in
Collector (19) updates one immediately, continues to collect and record the time, uninterrupted in process of the test；
Step 4, back with water inlet line (9), the 5cm are highly located by 0cm described in back with water inlet line highly locate back with water inlet line (10), institute
State 10cm and highly locate back with water inlet line (11), the 5cm and highly locate back with water inlet line (12) water flowing, to ensure that the 0cm highly locates ring
Shape concentric circles tank (16), 5cm highly locate annular concentric justify tank (15), 10cm highly locate annular concentric circle tank (14),
15cm highly locates annular concentric circle tank (13) the clear water of certain flow, and clear water flow is controlled by the pipeline valve；
After step 5, rainfall terminate, the 0cm of each time period is highly located into collector (19A), the 5cm and highly locates to receive
Storage (19B)；The 10cm highly locates collector (19C), the 15cm and highly locates the sample baking that collector (19D) is collected into
Do, weigh and record, that is, obtain each period, the Splash Erosion of different distance soil in whole rainfall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510162722.1A CN104819927B (en) | 2015-04-08 | 2015-04-08 | Rainfall erosion process determining instrument and its assay method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510162722.1A CN104819927B (en) | 2015-04-08 | 2015-04-08 | Rainfall erosion process determining instrument and its assay method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104819927A CN104819927A (en) | 2015-08-05 |
| CN104819927B true CN104819927B (en) | 2017-06-23 |
Family
ID=53730284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510162722.1A Active CN104819927B (en) | 2015-04-08 | 2015-04-08 | Rainfall erosion process determining instrument and its assay method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104819927B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551683B (en) * | 2020-06-09 | 2020-12-04 | 中国环境科学研究院 | Method for releasing, transporting and passing flux of nutrients of wetland system under quantitative precipitation and splash erosion effects |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353764A (en) * | 2011-09-16 | 2012-02-15 | 中国科学院水利部成都山地灾害与环境研究所 | Method for quickly measuring soil rainfall erodibility |
| CN103091240A (en) * | 2013-01-14 | 2013-05-08 | 北京林业大学 | Splash erosion tester and using method and application thereof |
| CN103674821A (en) * | 2013-11-18 | 2014-03-26 | 北京林业大学 | Soil splash erosion measuring instrument |
| CN103743884A (en) * | 2013-12-26 | 2014-04-23 | 北京林业大学 | Rainfall erosion measuring box and soil erosion amount measuring method |
| CN103884829A (en) * | 2014-02-20 | 2014-06-25 | 环境保护部南京环境科学研究所 | Device and method for monitoring runoffs and infiltration characteristics of slope change soil |
| CN104155426A (en) * | 2014-07-22 | 2014-11-19 | 长江水利委员会长江科学院 | Quantitative soil splash erosion power monitoring system and method |
| CN104345134A (en) * | 2014-10-30 | 2015-02-11 | 中国科学院沈阳应用生态研究所 | Method for measuring interflow in forest soil |
| CN204666479U (en) * | 2015-04-08 | 2015-09-23 | 长江水利委员会长江科学院 | Rainfall erosion process determining instrument |
-
2015
- 2015-04-08 CN CN201510162722.1A patent/CN104819927B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353764A (en) * | 2011-09-16 | 2012-02-15 | 中国科学院水利部成都山地灾害与环境研究所 | Method for quickly measuring soil rainfall erodibility |
| CN103091240A (en) * | 2013-01-14 | 2013-05-08 | 北京林业大学 | Splash erosion tester and using method and application thereof |
| CN103674821A (en) * | 2013-11-18 | 2014-03-26 | 北京林业大学 | Soil splash erosion measuring instrument |
| CN103743884A (en) * | 2013-12-26 | 2014-04-23 | 北京林业大学 | Rainfall erosion measuring box and soil erosion amount measuring method |
| CN103884829A (en) * | 2014-02-20 | 2014-06-25 | 环境保护部南京环境科学研究所 | Device and method for monitoring runoffs and infiltration characteristics of slope change soil |
| CN104155426A (en) * | 2014-07-22 | 2014-11-19 | 长江水利委员会长江科学院 | Quantitative soil splash erosion power monitoring system and method |
| CN104345134A (en) * | 2014-10-30 | 2015-02-11 | 中国科学院沈阳应用生态研究所 | Method for measuring interflow in forest soil |
| CN204666479U (en) * | 2015-04-08 | 2015-09-23 | 长江水利委员会长江科学院 | Rainfall erosion process determining instrument |
Non-Patent Citations (3)
| Title |
|---|
| 人工降雨条件下几种土壤结皮发育特征;胡霞等;《土壤学报》;20050530;第42卷(第3期);全文 * |
| 前期土壤含水率对红壤团聚体稳定性及溅蚀的影响;马仁明等;《农业工程学报》;20140228;第30卷(第3期);全文 * |
| 降雨因素和坡度对溅蚀影响的研究;江忠善等;《水土保持学报》;19890630;第3卷(第2期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104819927A (en) | 2015-08-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102721800B (en) | Artificial rainfall runoff and soil water motion simulation experimental system | |
| CN202267677U (en) | Portable static tank for determining greenhouse gas emission flux of water body | |
| CN105911257A (en) | Multi-state undisturbed soil column infiltration simulation system and unsaturated osmotic coefficient determination method | |
| CN105334346B (en) | A kind of measuring system and its measurement method of wind speed and direction | |
| CN109444374A (en) | A kind of slope runoff, interflow and ground subsurface flow simulated rain trails diameter chute | |
| CN105929138A (en) | Coal gangue leachate melting and infiltration soil column simulation system and characteristic parameter determination method | |
| CN109324170A (en) | The detection method of more scene seepage through soil mass and water salt Transport | |
| CN102607892A (en) | Method and device for collecting and measuring leakage water of large-scale rice field undisturbed soil column | |
| CN104819927B (en) | Rainfall erosion process determining instrument and its assay method | |
| CN107703045B (en) | Sponge city green land rainwater collection capacity analysis system and analysis method | |
| CN202676218U (en) | Tipping bucket type runoff automatic monitoring and water sand sampling all-in-one machine | |
| CN109425722A (en) | A kind of runoff of sloping field and corrode sink experimental provision | |
| CN204666479U (en) | Rainfall erosion process determining instrument | |
| CN105181923B (en) | Automatic hydrology and hydrochemistry monitoring and sampling device for cave drip water | |
| CN107228696A (en) | A kind of tunnel bulk water yield real time automatic measuring device and its application method | |
| CN207730296U (en) | Runoff plots soil moisture and go out to flow monitoring system | |
| CN104535132B (en) | Remote gauged rainfall gaging station | |
| CN104458549B (en) | A kind of adjustable overland flow assay device | |
| CN207366547U (en) | A kind of runoff of sloping field is with corroding sink experimental provision | |
| CN209357336U (en) | A kind of teaching slot sedimentary simulating experiment device | |
| CN103558143A (en) | Soil wind erosion determination disc and method for determining wild wind erosion amount | |
| CN205898791U (en) | Gangue leachate melts and infiltrates indoor simulation soil column device | |
| CN103674821B (en) | A kind of soil splash determining instrument and assay method | |
| CN214894208U (en) | Water resource water intaking measurement monitoring station | |
| CN115219371A (en) | Uniform flow scouring device for slope |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |