Multibeam Sonar to Detect Subsea Leakage

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Category: Metereología y Oceanografía
Published on Friday, 05 August 2022 00:26
Written by Administrator2
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https://www.hydro-international.com/case-study/

MBES technology has wide applicability in subsea leakage detection. The technology uses acoustics (sound signals) to build up maps of underwater space. This leaves the underwater environment undisturbed, which is particularly important in situations of hydrocarbon leakage. The Norbit Winghead, launched in mid-2020, is a unique curved-array ultra-high-resolution bathymetry sonar system utilizing the latest in analogue and digital signal processing.

The Norbit Winghead is versatile, easy to use and optimized for rapid mobilization on any platform. It offers a 0.5° x 0.9° beam width at 400kHz and a HD beamformer providing 1,024 beams per ping. The system’s low power consumption means that it can be battery operated. It provides a simple ethernet interface and signal processing capabilities, including roll stabilization, water column and backscatter

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NOAA Formally Joins International Effort to Map Ocean Floor

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Category: Metereología y Oceanografía
Published on Friday, 05 August 2022 00:19
Written by Administrator2
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 NOAA Administrator Rick Spinrad has signed a memorandum of understanding in conjunction with the United Nations Ocean Conference that formalizes U.S. participation in Seabed 2030. The memorandum also describes best practices and protocols for this type of data collection, which will help build positive collaboration between all involved countries and partners. As of 2022, 23.4% of the ocean is mapped, reflecting an increase of 10.1 million square kilometres (almost 3.9 million square miles) of new bathymetric data from 2021.

The new number represents contributions from a wide and diverse group of stakeholders, including various nations, government agencies, private companies, philanthropic partners and academic institutions.

NOAA and Seabed 2030: A Natural Fit In many locations, seabed mapping is done close to shore

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Waves

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Category: Metereología y Oceanografía
Published on Tuesday, 26 July 2022 04:50
Written by Administrator2
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Waves are amazing and dynamic—they transfer energy, provide recreation, cause destruction, and change with the seasons.

Ocean Literacy Principles: 

OLP 1: The earth has one big ocean with many features

Innovations and Partnerships in Ocean Mapping: What More Could We Achieve?

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Category: Metereología y Oceanografía
Published on Thursday, 28 July 2022 14:43
Written by Administrator2
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By Mathias Jonas • June 28, 2022

 

Hydro International

Most people working in hydrography know very well that better ocean data can be used to inform a variety of decisions, from storm preparedness to helping develop the blue economy. But could we do more in terms of fostering innovations or partnerships within our network? Could we do more with our existing partners?

These questions are prompted by a review of some of the work being done within the IHO. We initiated this year for example a trial project with CSIRO in Australia, funded by the Australian Hydrographic Office, to see whether accurate and reliable depth data can be extracted from Argo recordings. Argo is an international programme that collects information on the ocean using a

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Circulation in Marginal Seas and Estuaries

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Category: Metereología y Oceanografía
Published on Tuesday, 26 July 2022 04:47
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https://manoa.hawaii.edu/exploringourfluidearth

NGSS Performance Expectations:

The content in this topic will work towards building an understanding of how differences in salinity and temperature cause density differences that affect ocean circulation.

Marginal Seas

 

Fig. 2.20. Some of the seas around Europe and Africa. The narrow Strait of Gibraltar connects the Mediterranean to the Atlantic ocean basin.

Image adapted from Wikipedia, modified by Brittany Supnet

 

Marginal seas are large, shallow bodies of water along continental edges or margins.  Marginal seas include the Arabian Sea, the Baltic Sea, the Bering Sea, the Beaufort Sea, the Black Sea, the Gulf of

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