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Related Concept Videos

Sampling Methods: Sample Types01:18

Sampling Methods: Sample Types

248
Sampling materials are classified into three main types: solid, liquid, and gas.
Solid samples include a variety of substances, such as sediments from water bodies, soil, metals, and biological tissues. Two standard methods for extracting sediments from water bodies are grab sampling and piston coring. Grab sampling involves using a device to collect a discrete sediment sample from the bottom of a water body with minimal disturbance. Grab samples do not always represent the entire area due to...
248
Testing Water Quality01:14

Testing Water Quality

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When the quality of water for concrete preparation is uncertain, its impact on the setting time of cement and compressive strength of mortar is assessed by comparison with de-ionized or distilled water benchmarks. American Society for Testing and Materials (ASTM) C1602 requires the setting times to be within 90 minutes of the control, British Standard (BS) 3146:1980 allows a 30-minute variance in the initial setting, while British Standards European Norm (BS EN) 1008 specifies initial setting...
119

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Seawater Sampling and Collection
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Autonomous Water Sampler for Oil Spill Response.

Daniel Gomez-Ibanez1, Amy L Kukulya1, Abhimanyu Belani1

  • 1Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA.

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|October 13, 2023
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A new Midwater Oil Sampler autonomously detects and collects underwater oil plume samples. This system ensures hydrocarbon-free collection for accurate environmental monitoring of marine oil seeps.

Keywords:
autonomous surveyautonomous underwater vehicleenvironmental impact assessmentoil spillorganic analysisplume trackingrapid responsewater sampling

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Area of Science:

  • Oceanography
  • Environmental Science
  • Marine Technology

Background:

  • Underwater oil plumes pose environmental risks.
  • Accurate sampling is crucial for monitoring oil seeps.
  • Existing methods may lack autonomy or introduce contamination.

Purpose of the Study:

  • To introduce a novel autonomous water sampling system.
  • To enable targeted collection of underwater oil plume samples.
  • To validate the system's performance in a natural marine environment.

Main Methods:

  • Development of the Midwater Oil Sampler with a hydrocarbon-free path.
  • Configuration with multiple modules of six glass sample bottles.
  • Deployment on an autonomous underwater vehicle for in-situ sampling.

Main Results:

  • The Midwater Oil Sampler successfully collected targeted water samples.
  • The system operated autonomously based on preset criteria.
  • Sampling occurred in natural oil seeps offshore Santa Barbara, CA.

Conclusions:

  • The developed system provides autonomous detection and sampling of underwater oil plumes.
  • The hydrocarbon-free design ensures sample integrity.
  • The technology is effective for monitoring marine oil seep environments.