CN106840979B - Bed internal deposit in seabed pumps the long-term observation apparatus and method in situ of settling flux amount - Google Patents
Bed internal deposit in seabed pumps the long-term observation apparatus and method in situ of settling flux amount Download PDFInfo
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- CN106840979B CN106840979B CN201710061390.7A CN201710061390A CN106840979B CN 106840979 B CN106840979 B CN 106840979B CN 201710061390 A CN201710061390 A CN 201710061390A CN 106840979 B CN106840979 B CN 106840979B
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- 238000011065 in-situ storage Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000007774 longterm Effects 0.000 title claims abstract description 16
- 230000004907 flux Effects 0.000 title claims abstract description 15
- 210000003739 neck Anatomy 0.000 claims description 13
- 239000000523 sample Substances 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 239000002689 soil Substances 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 238000004062 sedimentation Methods 0.000 abstract 1
- 229910000679 solder Inorganic materials 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 19
- 238000005086 pumping Methods 0.000 description 16
- 239000013049 sediment Substances 0.000 description 11
- 238000005259 measurement Methods 0.000 description 7
- 238000011160 research Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000003628 erosive effect Effects 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- CCEKAJIANROZEO-UHFFFAOYSA-N sulfluramid Chemical group CCNS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F CCEKAJIANROZEO-UHFFFAOYSA-N 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Earth Drilling (AREA)
Abstract
Bed internal deposit in seabed pumps the long-term observation apparatus and method in situ of settling flux amount, including the conduit pipe of external water pressure, anti-vertical sedimentation flange and anti-horizontal displacement branch cylinder in apparatus measures working bin, balance bunker.Inside can carry the commercialization instruments such as the damp instrument of ripple, nephelometer.Instrument working bin lower openings and with anti-horizontal displacement branch cylinder integrally connected；Anti-settling flange welding is in working bin and branch cylinder boundary；Multiple holes are set on flange, and reduction lays rear flange and soil body suction-operated, are easy to reclaim.Whole device top rigid solder hoisting ring, lifting and the fixation of positioning ball float for device.The present invention is based on Front Scientific Problems, principle simple possible, low processing cost.Such as with the conventional bottom-sitting type tripod observation platform progress joint observation and date comprision that are equally equipped with the damp instrument of ripple, nephelometer, current meter commercialization instrument, a series of exploration of related scientific issues can be better achieved.
Description
Technical field
The present invention relates to the long-term observation apparatus and method in situ that a kind of bed internal deposit in seabed pumps settling flux amount, energy
Enough in seabed long-term observation deposit " pumping " phenomenon in situ, belong to marine engineering geology and sediment dynamics field.
Background technology
Deposit " pumping " effect is due to the sea bed seepage flow even liquid caused by the accumulation of ripple cause sea bed pore water pressure
Change emerged in large numbers on a kind of deposit for being triggered as.There are some researches show slity soil sea bed can be under wave load ringing
Generation pore pressure is accumulated, and causes the vertical seepage flow of sea bed or even liquefaction.The vertical seepage flow of the process pore water can be carried inside sea bed
Fine grained deposit with the form of similar " mud volcano " in " pumping " it is defeated arrive sea bed surface, and then enter overlying water turn into hang again
Float matter.The mechanism of this sediment resuspension is different from being generally accepted the sight that surface deposit washes away settling flux at present
Point, with important scientific research value.Meanwhile, sediment loss inside the sea bed caused by this " pumping " effect very may be used
Can be the governing factor for causing the geological disasters such as seabed collapse, therefore, studying the process also has important engineering significance.
Erosion settling flux of the Seabed sediments under hydrodynamism is always that marine engineering geology is ground with sediment dynamics
Subject matter in studying carefully.Serious submarine erosion can cause the exposure of submarine pipeline and cable, hanging or even fracture, trigger oil spilling, blowout
Etc. engineering accident, huge economic loss is caused.Therefore the mechanism of submarine erosion also becomes ocean work with prophylactico-therapeutic measures
The problem that journey geologist faces jointly with sedimentologist.
Early stage depends on sampling and the laboratory testing analysis of bottom sediment for the exploration of the problem in science.Closely
Nian Lai, with the synchronized development of science and technology, seabed original position long-term observation increasingly develops into the research meanses of main flow.It is different
Problem in science determine different observation projects, also determine the design of carrying platform.Presently the most wide variety of is to sit
The foot stool observation platform of bottom formula tripod/tetra-, such as Oceanographic Inst. No.1 of State Bureau of Oceanography design " is used for the three of submarine observation
Foot stool carrying platform " (201610068081.8)；Chain, such as " the seabed sight of Qingdao Inst of Marine Geology's design are observed by anchor system
Survey subsurface buoy " (201230267035.3)；" sea bed observation platform " of preventing seabed base observation platform, such as Chinese Marine University design
(03218037.3) during, " observation platform arranged on sea bed " (200420007429.5) and National Bureau of Oceanography's North Sea marine technology are ensured
" dual recovery ensures multi-functional sea bed observation platform " (201420203694.4) of heart design etc..And it is a series of for specific
A kind of decanter type submarine observation device of problem in science and the design of the observation device designed, such as Oceanography Institute Of Zhejiang
(201410002902.9) a kind of, " Benthonic geophysical observation device " of the Second Institute of Oceanograghy,SOA's design
(201310365737.9), the deep sea in-situ near sea bottom profile observation device (201010204376.6) of Chinese Marine University's design
" a kind of seafloor topography proximity detection device " (201320520662.2) designed with Chinese Marine University etc..At present,
Deposit " pumping " effect in Laboratory tank simulation experiment in intertidal zone area with being confirmed and Primary Study.More enter one
The seabed in-situ investigation of step is then highly dependent on a kind of new device and method of research and development with research work.
The content of the invention
The present invention is hanged again for a kind of internal deposit pumping of the seabed bed specially designed for above-mentioned specific problem in science
The long-term observation apparatus and method in situ of floating amount, can caused by seabed is to vertical seepage flow inside the bed of seabed deposit " pumping "
Upper defeated settling flux amount carries out long-term measurement in situ.
Bed internal deposit in seabed pumps the long-term observation device in situ of settling flux amount, it is characterised in that stainless including one
Steel hemispherical work chamber, the work chamber bottom is provided with the anti-settling flange of an annular, anti-settling flange and opens up a collar aperture hole；
Work chamber bottom is also equipped with a cylindrical shape anti-skid support cylinder, and anti-skid support cylinder external diameter is equal with the internal diameter of the anti-settling flange,
And the lateral surface of anti-skid support cylinder is connected with the inner edge of anti-settling flange, the top of anti-skid support cylinder and the concave surface phase on the inside of work chamber
Connection；Anti-skid support cylinder internal reservation carries some necks of various commercialization instruments and the probe neck of some instruments, and passes through
Dismountable safety lanyard net is sealed in instrument is commercialized among work chamber；The lower edge of anti-skid support cylinder is sharp edge；Work
The outside space with anti-skid support cylinder in cabin is connected by 4 inverted U-tubes at the top of cabin；U-tube one end and work chamber phase
It is logical, deposit screen pack is installed in the other end；Centre is additionally provided with hoisting ring at the top of work chamber.
Described device also includes ball float, and the ball float is hung on the hoisting ring by hawser system after device is laid.
Apparatus of the present invention are applied to the wave offshore seabed working environment violent with sea bed interaction.The data collected
Analysis is answered with problem in science, is also relied on and is sat the similar tool count carried on the tripod observation platform of bottom with external secondary system
According to contrast and analysis.
Mainly law of connected vessels has been used in the present invention：At seabed, due to work chamber by U-tube will out of my cabin with cabin
Space is connected, so with the water pressure of same elevational positions in cabin being out of my cabin in theory identical.This guarantees work
Cover that the wave pressure that sea bed born is identical with neighbouring sea bed under cabin, and then ensure that the pore water pressure change covered under cabin in sea bed
Do not influenceed by upper coating device.Ripple i.e. inside sea bed causes the upward seepage flow of pore water still to be possible to internal deposit " pumping "
Settling flux, this point can also be verified by the damp instrument pressure data of ripple inside and outside cabin.
Due to the targeted problem in science very forward position of the present invention, current rarely seen research team was authorized in 2016
Patents " acquisition equipment and method of the deposit that vertical pumping is transported inside tidal flat sea bed " (201410389538.6).
The patent is identical with the problem in science that this patent is targeted, but the former is the acquisition equipment designed in early stage heuristic process, master
The loaded filter principle to be used, by pumping deposit capture among device.Therefore the device be only applicable to periodically flood and
Exposed intertidal zone sea bed, because fluctuation tidewater turnover grabber is a relatively slow process, experiment proves that it is not enough to
Take the deposit captured out of grabber.However, in the seabed flooded by seawater for a long time, can not solve to capture when reclaiming at present
Seawater seepage will capture the problem of deposit takes away loss in device.Therefore, Research Thinking is sent out from capture " pumping " deposit
In site measurement " pumping " sediment yield is opened up, is coordinated based on cleverly configuration design and instrument, " pumping " of in site measurement is heavy
Product object amount data are stored among the instrument of device carrying from appearance.
Patent, with wider using scope, is no longer limited to intertidal zone area to the present invention than before；Further, it is also possible to realize
Long-term automatic Observation in situ.If the device cooperates with bottom-sitting type tripod observation platform, a set of " seabed can be formed
The internal vertical seepage flow of bed causes sediment pump to serve the long-term observation system in situ of defeated settling flux amount ", can preferably it disclose more
Many problem in science.
Brief description of the drawings
Fig. 1 is the stereogram of the present invention.
Fig. 2 is the front view of the present invention.
Fig. 3 is the top view of the present invention.
Fig. 4 is the upward view of the present invention.
Fig. 5 is the sectional view of the present invention.
Fig. 6 be the present invention lay schematic diagram.
Fig. 7 is the fundamental diagram of the present invention.
Wherein, 1. work chamber, 2. necks, 3. conduit pipes, 4. deposit screen packs, 5. anti-skid supports cylinder, 6. sharp edges,
7. anti-settling flange, 8. flange holes, 9. hoisting rings, 10. commercialization instruments, 11. safety lanyard nets, 12. probe necks.
Embodiment
Such as Fig. 1-5, bed internal deposit in seabed pumps the long-term observation device in situ of settling flux amount, it is characterised in that including
One stainless steel hemispherical work chamber 1, the bottom of work chamber 1 is provided with the anti-settling flange 7 of an annular, anti-settling flange 7
Open up a collar aperture hole 8；The bottom of work chamber 1 is also equipped with a cylindrical shape anti-skid support cylinder 5, the anti-skid support 5 external diameters of cylinder with it is described anti-settling
The internal diameter for dropping flange 7 is equal, and the lateral surface of anti-skid support cylinder 5 is connected with the inner edge of anti-settling flange 7, the top of anti-skid support cylinder 5
Portion is connected with the concave surface of the inner side of work chamber 1；Anti-skid support 5 internal reservations of cylinder carry some necks 2 of various commercialization instruments 10
And the probe neck 12 of some instruments, and work chamber 1 is sealed in by instrument 10 is commercialized by dismountable safety lanyard net 11
Among；The lower edge of anti-skid support cylinder 5 is sharp edge 6；The top of work chamber 1 is by 4 inverted U-tubes 3 by outside with preventing in cabin
Space connection in sliding branch cylinder 5；The one end of U-tube 3 is communicated with work chamber 1, and deposit screen pack 4 is installed in the other end；Work chamber 1
Top centre is additionally provided with hoisting ring 9.
Such as Fig. 6, described device also includes ball float, and the ball float hangs over the hoisting ring by hawser system after device is laid
On 9.
The streamlined work chamber 1 of described stainless steel, streamlined contour design can effectively weaken stress concentration in seabed
The water eroding and flooding phenomenon of sea bed near effect, reducer.
Some necks 2 in described cabin, can coordinate the size of the various commercialization instruments of carrying to carry out free shrink.
Described inverted U-tube 3 is designed, and can effectively prevent that suspension bed sediment enters in cabin out of my cabin, influence is hanged in cabin
Husky measurement accuracy.
Described deposit screen pack 4, can further prevent out of my cabin suspension bed sediment enter in cabin, hang in influence cabin it is husky
Measurement accuracy.
Described anti-skid support cylinder 5, can effectively ensure the level of device to stability after insertion sea bed.
Described sharp edge 6 is designed, and can ensure the branch cylinder insertion sea bed of the device to greatest extent.
Described outside anti-settling flange 7, effectively anti-locking apparatus can be settled, so as to ensure the vertical stabilization of device
Property.
Described flange hole 8, can reduce adsorption area of the sea bed to flange, so as to reduce resistance when device is reclaimed
Power.
Described hoisting ring 9, can be when device be laid as hoisting ring, while device overlying ball float hawser can be used as
Fixing end.
Described ball float, can float on sea nearby, so as to fast in recovery in the work of device long-term in-situ observation
Fast effectively position of the locking device in seabed.
Instrument, can be enclosed in work chamber, prevents instrument when instrument comes off in cabin by described safety lanyard net 11
Lose.Network does not influence deposit " pumping " transport process again simultaneously.
The present apparatus to lay method as follows：
The first step：Safety lanyard net 11 is dismantled, the instrument for setting acquisition parameter is fixed among neck 2, probe is solid
Surely arrive among instrument probe neck 12；
Second step：Reinstall safety lanyard net 11；
3rd step：In the conduit pipe above device, placement deposit screen pack 4, and utilize bolt fastening；
4th step：Ball float system is hung on hoisting ring 9, and whole device is lifted by crane by hoisting ring 9 with onboard crane, cloth is put into
Sea bed surface；
5th step：Assisted by diver, make anti-skid support cylinder 5 completely into sea bed, anti-settling flange 7 is close to sea bed table
Face；And ball float is floated on sea.
The recovery of the present apparatus and collecting method are as follows：
The first step：Ship is driveed to the ball float of sea by GPS location information；
Second step：Device is hung on onboard crane suspension hook by diver along ball float hawser dive locking device by wirerope,
Boom hoisting；
3rd step：Device is hung to boat deck, safety lanyard net 11 and each instrument are dismantled successively, instrument data is read；
4th step：Assembling device, vanning is preserved.
Such as Fig. 7, general principle is washed away again by shielding deposit level caused by the shear stress of nearly bottom on traditional understanding
The vertical pumping settling flux amount of deposit caused by seepage flow inside suspension amount, quantitative measurment sea bed, to realize problem in science and measurement
The progress and breakthrough of two aspects of technology.
" pumping " settling flux amount can carry out long-term automatic measurement with being stored from appearance by built-in nephelometer.It is same with this
When, what the level of work chamber 1 effectively shielded ocean current to closure designs washes away shearing stress and the track shearing stress of wave, so that
Settling flux amount is washed away on the closing space inner shield top layer of work chamber 1.
In addition, the U-tube 3 of the upper design of work chamber 1 also effectively prevent out of my cabin suspended sediment enter cabin in introducing
Error.The inverted design of one side U-tube 3 effectively limit the continuation into the deposit of the mouth of pipe in design length 30cm
Rise；On the other hand, the deposit screen pack 4 in U-tube 3 further ensures the entrance of external deposit.
There is sharp edge 6 to design for 5 lower ends of anti-skid support cylinder of the portion integral of work chamber 1 connection, be effectively guaranteed anti-skidding
Branch cylinder 5 is inserted inside sea bed, and then the horizontal stability of holding meanss.Branch cylinder diameter 100cm, height 15cm, are open up and down,
And lower openings design for sharp edge, it is easy to branch cylinder to insert the soil body after sitting bottom.Outside anti-settling flange outer diameter 140cm, internal diameter
100cm, is welded in working bin and branch cylinder boundary；12 a diameter of 10cm holes are set on flange.
The outside design of anti-settling flange 7 can efficiently control the vertical deviation of device, play the mesh that anti-locking apparatus sinks
's.Work chamber streamlined contour design, can effectively reducer is in barrier effect of the seabed to ocean current so that effectively
Seabed scouring near reducer is corroded, and the Proportionality design of whole device also ensure that device can be steady with anti-displacement design
Effectively in seabed long-term work in situ.
In addition, default round hole 8 can then weaken the adsorption area of flange and seabed soil on flange, reduce and reclaim resistance
Power.The reserved hoisting ring 9 in the top of whole device, while being used as the hawser fixing end of ball float.Device carries out in situ long in seabed
During phase is observed, ball float floats on the water surface nearby all the time, can be fast and effeciently along ball float hawser positioner in seabed during recovery
Position.
The present invention is based on Front Scientific Problems, principle simple possible, low processing cost.Such as with being equally equipped with ripple tide
The conventional bottom-sitting type tripod observation platform of the commercialization instrument such as instrument, nephelometer, current meter carries out joint observation and data comparison
Analysis, can be better achieved a series of exploration of related scientific issues.
Claims (4)
1. bed internal deposit in seabed pumps the long-term observation device in situ of settling flux amount, it is characterised in that including a stainless steel
Hemispherical work chamber（1）, the work chamber（1）Bottom is provided with the anti-settling flange of an annular（7）, anti-settling flange（7）On open
If a collar aperture hole（8）；Work chamber（1）Bottom is also equipped with a cylindrical shape anti-skid support cylinder（5）, anti-skid support cylinder（5）External diameter
With the anti-settling flange（7）Internal diameter it is equal, and anti-skid support cylinder（5）Lateral surface and anti-settling flange（7）Inner edge
It is connected, anti-skid support cylinder（5）Top and work chamber（1）The concave surface of inner side is connected；Anti-skid support cylinder（5）Internal reservation carries each
Plant commercialization instrument（10）Some necks（2）And the probe neck of some instruments（12）, and pass through dismountable safety lanyard
Net（11）Instrument will be commercialized（10）It is sealed in work chamber（1）Among；Anti-skid support cylinder（5）Lower edge be sharp edge（6）；Work
Cabin（1）Top passes through 4 inverted U-tubes（3）By anti-skid support cylinder in outside and cabin（5）In space connection；U-tube（3）One
End and work chamber（1）Communicate, deposit screen pack is installed in the other end（4）；Work chamber（1）Top centre is additionally provided with hoisting ring
（9）.
2. device as claimed in claim 1, it is characterised in that also including ball float, the ball float passes through cable after device is laid
Rope system hangs over the hoisting ring（9）On.
3. device described in claim 1 or 2 lays method, it is characterised in that comprise the following steps：
The first step：Dismantle safety lanyard net（11）, the instrument for setting acquisition parameter is fixed to neck（2）Among, probe is solid
Surely instrument probe neck is arrived（12）Among；
Second step：Reinstall safety lanyard net（11）；
3rd step：In the conduit pipe above device, deposit screen pack is disposed（4）, and utilize bolt fastening；
4th step：Ball float system is hung on hoisting ring（9）, and pass through hoisting ring with onboard crane（9）Whole device is lifted by crane, cloth is put into
Sea bed surface；
5th step：Assisted by diver, make anti-skid support cylinder（5）Completely into sea bed, anti-settling flange（7）It is close to sea bed table
Face；And ball float is floated on sea.
4. recovery and the collecting method method of the device described in claim 1 or 2, it is characterised in that comprise the following steps：
The first step：Ship is driveed to the ball float of sea by GPS location information；
Second step：Device is hung on onboard crane suspension hook by diver along ball float hawser dive locking device by wirerope, lifting
Device；
3rd step：Device is hung to boat deck, safety lanyard net is dismantled successively（11）With each instrument, instrument data is read；
4th step：Assembling device, vanning is preserved.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710061390.7A CN106840979B (en) | 2017-01-25 | 2017-01-25 | Bed internal deposit in seabed pumps the long-term observation apparatus and method in situ of settling flux amount |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710061390.7A CN106840979B (en) | 2017-01-25 | 2017-01-25 | Bed internal deposit in seabed pumps the long-term observation apparatus and method in situ of settling flux amount |
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| CN106840979B true CN106840979B (en) | 2017-09-15 |
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| CN107976387A (en) * | 2017-11-27 | 2018-05-01 | 天津科技大学 | A kind of bottom sediment settling flux limit stress measuring method and observation device |
| CN109443691B (en) * | 2018-11-10 | 2020-05-22 | 中国海洋大学 | Experimental device for wave-induced seepage induces seabed internal sediment erosion |
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| KR101786506B1 (en) * | 2009-02-03 | 2017-10-18 | 네트바이오, 인코포레이티드 | Nucleic acid purification |
| CN103144751B (en) * | 2013-02-05 | 2015-08-12 | 中国海洋大学 | A kind of beach shallow sea sediment strength in situ detection device and method |
| CN103776428B (en) * | 2014-01-02 | 2015-10-21 | 浙江海洋学院 | A kind of decanter type submarine observation device |
| CN203785928U (en) * | 2014-04-25 | 2014-08-20 | 淮海工学院 | Silt sea area near-bottom suspended sediment water sample collector |
| CN104122070B (en) * | 2014-08-09 | 2016-04-20 | 中国海洋大学 | The sedimental acquisition equipment that the inner vertical pumping of tidal flat sea bed transports and method |
| CN205574241U (en) * | 2016-04-27 | 2016-09-14 | 同济大学 | Seabed observational network is main basic station under water |
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