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7308821 |
Arrangement for determining the penetration depth on putting in place supporting elements into a water bed
With an arrangement for determining the penetration depth ( 10 ) when putting in place supporting elements ( 2 ) into a water bed ( 5 ), according to the invention, there is provided a pressure...
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7141815 |
Fiber optic-based probe for use in saltwater and similarly conductive media as found in unenclosed natural environments
Arrays of optical fibers connected to specially configured electronics, e.g., a phototransistor, an LED, an amplifier, a detector, and display, software and PCMCIA A/D board available on a personal...
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7069771 |
Partitioning sediment trap
A partitioning sediment trap adapted to be positioned in a body of water comprising an elongate, vertically alignable transparent collecting tube having an open upper end and a closed lower end for...
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6986281 |
Exfiltrometer apparatus and method for measuring unsaturated hydrologic properties in soil
Exfiltrometer apparatus includes a container for holding soil. A sample container for holding sample soil is positionable with respect to the container so that the sample soil contained in the...
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6680795 |
Underwater microscope system
An apparatus and a method are provided for capturing and analyzing video images of sediment from the bottom of a body of water such as a river or sea. The apparatus includes a video imager with a...
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6578405 |
Gas seep detection
A method of detecting a marine gas seep that includes: deploying a local probe on or near the seafloor; producing bubbles in water near or within the local probe; detecting the bubbles; producing...
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6463801 |
Apparatus, method and system for measurement of sea-floor soil characteristics
A system is presented with a seabed unit, a remotely operated vehicle (ROV), a cone rod measuring device, and a support ship. The seabed unit is lowered from the support ship by a winch line to the...
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5815465 |
Method and apparatus of classifying marine sediment
An acoustic classification system in which echoes from sediment-sediment or water-sediment interfaces are compared to model waveforms predicted by Biot's equations for a given set of acoustic...
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5804715 |
Hydrodynamic dampening system for the precise measurement of dynamic sediment pore water pressure
A multi-sensor piezometer is disclosed that includes a shaft and an upper amber. The shaft houses a plurality of porous stones that operatively cooperate with the positive input of respective...
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5559754 |
Sediment classification system
A computer driven system which receives time-binned echo strength data, and hich, for each series of echo strengths received, stores the echo strength data in computer memory, and automatically...
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5444670 |
Method and apparatus for determining soil strength from Doppler-shifted acoustic signatures
A signal processing system for determining sea floor composition based on the frequency waveform and Doppler shift transmitted from an acoustic penetrometer includes a hydrophone for receiving the...
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5439800 |
Offshore petroleum exploration system
A system is provided for locating and delineating sea floor occurrences of petroleum seepage, achieved by apparatus for the detection of the resulting abnormal distribution of electrical potential...
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5347860 |
Benthic sampling effectiveness measurer
This invention provides a device and method for measurement of the actual on-bottom time of a sampling otter trawl used for benthic sampling. The device uses passive measurement of the actual...
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5022262 |
Process and apparatus for determining the erodability of soil, in particular soil belonging to the underwater floor
To determine the erodability of soil, in particular soil belonging to the underwater floor, a vertically displaceable spray nozzle is installed above the floor to produce a water flow onto or over...
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4807199 |
Bottom shear modulus profiler
An apparatus for measuring the shear modulus profile of the seafloor by measuring the motion of the seafloor in three dimensions and the wave induced pressure at the seafloor and converting these...
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4796238 |
System for measurement of the acoustic coefficient of reflection of submerged reflectors
System to measure the coefficients of reflection of submerged surfaces such as the seabed, by comparison of the intensities of acoustic impulses propagated between a source and a receptor, both of...
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4345461 |
Apparatus for taking bedrock samples from bottom of deep-water basins
The apparatus for taking bedrock samples from the bottom of deep-water basins includes a self-contained device for obtaining spot samples of bedrock from the bottom of deep-water basins and more...
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4336709 |
Retrieval of articles from beneath the surface of a body of water
Equipment for raising to the surface of a body of water a retrievable article. A cable extends downwardly, and the article is held to the cable at a selected depth. A buoyancy device with a...
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4186373 |
System for measuring in situ acoustic energy properties of ocean floor soils
A hollow, projectile-shaped body containing an acoustical transducer is rased into the sea such that the body descends in free fall until it strikes and penetrates the sea floor, coming to a rest...
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4150578 |
Apparatus for measuring excess pore water pressure
An elongated tubular housing has differential pressure transducers at spaced points therealong and electrically insulated therefrom by a mounting means. Each mounting means has a diaphragm exposed...
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4106335 |
Sea sled tow line vector system
The tow line system permits a determination of the direction and magnitude of tow line forces on the underwater tow. The response of the underwater tow to the tow line forces is also monitored. The...
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4104608 |
Heave meter
A contour mapping system including compensation for the heave or vertical displacement of a ship due to wave and swell effects, and for correcting errors due to such effects in depth or bottom...
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4024758 |
Simulated testing of undersea apparatus
This invention provides a means and method for testing of devices intended to operate in, or immediately beneath, the consolidated soil surface of the ocean floor. The mechanical and rheological...
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4019380 |
Underwater sampler
A free-fall underwater sampler comprises a pair of jaw members and ballast supporting containers in which the jaw members and containers are operated simultaneously and independently of one...
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4007633 |
Method of determining the physical characteristics of a sea floor
A hollow, projectile-shaped body containing an acoustical transducer is rased into the sea such that the body descends in free fall until it strikes and penetrates the sea floor, coming to a rest...
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4001764 |
Acoustic method for detecting leaks from submerged pipelines
A method for locating leaks in liquid-transporting submerged pipelines. A sonar device directs acoustic waves along the path of a submerged pipeline and the reflected waves are detected and...
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3975957 |
Sediment sampling system
A sediment sampling system that may be used for oceanographic sampling of trital and sedimentary sized particles in multiple sequences for up to a period of several months. The sampling device has...
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3940982 |
Subbottom rock mapping probe
A subbottom rock mapping probe for measuring the thickness of a sediment er located on the bottom of a body of water comprising an automatic, downwardly extending, telescoping probe that is...
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3901075 |
Acoustic velocimeter for ocean bottom coring apparatus
The invention disclosed herein deals with in situ measurement of the acoucal properties of the ocean floor while ocean sediment core samples are being obtained and specifically provides means for...
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3891859 |
Pulsed, variable beam pattern optical measuring device
An apparatus and method for obtaining simultaneous measurements of the ba optical properties of seawater employs a pulsed beam of monochromatic light together with a variable focal length optic...
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3875796 |
Apparatus for continuously recording sea-floor sediment corer operations
The apparatus provides a continuous, timed record of corer orientation data ncluding corer declination, inclination, vertical acceleration. A compass, bubble levels, an accelerometer and a clock...
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3774718 |
IN-SITU ACOUSTIC SEDIMENT PROBE
An in-situ acoustic sediment probe which includes a barrel having a bottom utting edge. An acoustic transducer is mounted on the barrel and means are mounted within the barrel for removing sediment...
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3715913 |
AQUATIC SEDIMENT AND POLLUTION MONITOR
An aquatic sediment and pollution monitor adapted to be positioned in a body of water comprising an elongated, vertically alignable, collecting tube having an open upper end and a closed lower end...
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3534605 |
METHOD AND APPARATUS FOR THE UNDERWATER MEASUREMENT OF THE THICKNESS OF A SILT LAYER
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3478308 |
SEA BOTTOM CLASSIFIER
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3455151 |
EXPENDABLE OCEAN BOTTOM SENSOR
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3447371 |
IN-SITU VELOCIMETER
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3447124 |
UNDERWATER SURVEY
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3345879 |
Apparatus for extracting samples from the bed of a body of water
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3302464 |
Sterile high pressure ocean sampler
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3280633 |
Deep ocean sampler
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3226670 |
Apparatus for determining characteristics of the ocean bottom
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3106437 |
Detecting and classifying bodies on an ocean floor
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3080655 |
Apparatus and methods for exploring the topography of the sea
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3069905 |
Oceanographic sampling
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2872638 |
Ocean bottom stratigraphy surveying
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3814930 |
Title is not available
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3681028 |
Title is not available
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3613446 |
Title is not available
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3555499 |
Title is not available
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