New Depth Map over the Arctic Ocean

Details of a new depth map of the Arctic Ocean have been published in the Nature Journal Scientific Data. The new portrayal of the Arctic Ocean floor is in the form of a digital gridded database and comprises Version 4.0 of the International Bathymetric Chart of the Arctic Ocean (IBCAO). The gridded compilation has been completed under the auspices of the Regional Center for the Arctic and North Pacific Ocean of The Nippon Foundation-GEBCO Seabed 2030 Project. This Regional Center is one of four Seabed 2030 centers covering the world ocean and is run jointly by Stockholm University and the... (read more)
2020-07-20 02:24:13

Ifremer Selects iXblue’s Technology to Equip Its New 6000-metre AUV

Ifremer, the French National Institute for Ocean Science, has chosen iXblue, a global high-tech company specializing in the design and manufacturing of innovative systems and solutions devoted to inertial navigation, subsea positioning and underwater imaging, to equip its new 6000-meter AUV (CORAL* project). The AUV will be equipped with a Synthetic Aperture Sonar (SAS), Sams-150, a Phins C7 Inertial Navigation System (INS), a sub-bottom profiler Echoes 5000 and will use iXblue’s Delph Software suite for SAS and navigation post-processing. “We are very excited to be on board the CORAL project and to offer turnkey SAS technology to Ifremer scientific and... (read more)
2020-07-17 10:13:13

Mapping Submarine Groundwater Discharge with Thermal Infrared Imaging

Using Cutting-edge Technology and High-resolution UAS
Submarine groundwater discharge (SGD) is a significant part of the water cycle that delivers anthropogenically derived and naturally occurring nutrients to coastal waters. As part of the drive to develop methods to prevent the degradation of coastal water quality, research conducted at the University of North Carolina Wilmington attempts to address the ambiguity associated with SGD point source locations. This case study outlines how cutting-edge high-resolution unmanned aerial system (UAS) thermal infrared (TIR) imaging methods have been coupled with the newest technology for continuous and autonomous SGD monitoring. Submarine groundwater discharge – the process in which groundwater flows down-gradient through... (read more)
2020-07-14 08:21:52

Fast-moving Waterfalls in the Deep Sea

New research led by the National Oceanography Centre (NOC) has discovered how fast-moving waterfalls under the sea control the shape and behaviour of submarine channels. These underwater channels are the offshore equivalents of rivers, but can be much larger. Submarine channels can extend for tens to thousands of kilometres offshore, providing an important conduit for the transfer of sediment, nutrients and pollutants, such as microplastics, to the deep sea. Avalanches of sediment that flow down these channels also pose a hazard to networks of seafloor cables that underpin global communications, including the internet. An international research team, including NOC, the... (read more)
2020-06-19 08:49:37

Luigi Sinapi Elected as New IHO Director

Following the postponement of the IHO Assembly due to the Covid-19 pandemic, the IHO Secretariat initiated a remote voting procedure to fill the position of IHO Director, which will become vacant in September 2020. As a result of this process, during which Member States could vote by either paper or electronic ballots, Rear Admiral Luigi Sinapi from Italy has been elected as the new director.  Rear Admiral Luigi Sinapi has been director of the Italian Hydrographic Institute of the Navy since 2015, and as such has worked closely with the IHO and its various bodies for many years. For the last... (read more)
2020-06-09 11:17:38

MEMS Technology – Applications in the Field of Hydrography

Even in the difficulty times facing society today, training does not stop, as demonstrated by the 'MEMS Technology – Presentation and Hydrographic Application' conference held by video conference on 26 May on the GoToMeeting platform. The conference was organized by SBG Systems, Institute Nautical ITTL Luigi Rizzo di Riposto (CT), and IHS Italian Hydrographic Society. MEMS stands for Micro Electro-Mechanical Systems and indicates a technology that integrates mechanical elements, sensors, actuators and electronics located at the level of a silicon substrate.The conference was attended by many experts from the hydrographic sector: Rear Admiral Luigi Sinapi, director of the Italian Hydrographic... (read more)
2020-06-09 10:25:32

Mapping Underwater Terrain with Bathymetric Lidar

Two Similar Projects in Different Parts of the World
High-resolution bathymetric surveys support aquaculture research and increase navigational safety. In a case study, Tim Webster reports how this is done at Cape John Peninsula in Canada. In the second one, Carol Lockhart describes the project in the Kingdom of Tonga, a Polynesian archipelago comprising 169 islands that stretches across approximately 800 kilometres in the South Pacific Ocean. Measuring water depth for nautical purposes dates back to ancient civilisations. As technology has evolved through the centuries, besides ship-based echo-sounding, remote monitoring and mapping of water bodies has become increasingly available via Lidar bathymetric surveys conducted by airborne systems. New coastal... (read more)
2020-06-09 09:01:41

Mashkoor Malik

Mashkoor Malik is a Physical Scientist (Hydrographer) with NOAA Office of Ocean Exploration and Research. Mr. Malik received his MS in Ocean Mapping and IHO Category A certification from the University of New Hampshire, CCOM / JHC in 2005. (read more)
2020-06-02 09:18:37

Rachel Medley

Rachel Medley is Chief of the Expedition and Exploration Division within NOAA’s Office of Ocean Exploration and Research (OER).  She previously worked for NOAA’s Office of Coast Survey for 12 years before joining OER in 2018. Ms. Medley received her MS in Ocean Mapping and IHO-Category A certification from the University of New Hampshire, CCOM/JHC in 2009. (read more)
2020-06-02 09:17:13

This is NOAA’s Plan for Deep Ocean Mapping of US Waters

Identifying and Filling Gaps in Bathymetric Coverage Deeper Than 200m
NOAA is using a systematic approach to map all US waters in support of Seabed 2030 objectives and to contribute to the complete mapping of the world’s oceans in the next ten years. Mapping within US waters is a national goal that will only be accomplished through strong coordination and partnerships with other federal agencies, academia and the private sector. The Nippon Foundation - General Bathymetric Chart of the Oceans (GEBCO) Seabed 2030 project has revitalized international and national interest in ocean floor mapping (Smith, 2018). Across US oceans, coasts, and Great Lakes waters, the National Oceanic and Atmospheric Administration... (read more)
2020-06-02 08:59:56
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