Lidar + Sonar = a revolution in seafloor mapping How the ambitious Florida Seafloor Mapping Initiative is setting the standard for our understanding of coastal environments By Ryan Cross, Dave Neff, Karen Hart • October 14, 2025 Beneath the sunlit waves o

Lidar + Sonar = a revolution in seafloor mapping

How the ambitious Florida Seafloor Mapping Initiative is setting the standard for our understanding of coastal environments

By Ryan CrossDave NeffKaren Hart • October 14, 2025

Beneath the sunlit waves of Florida lies an intricate underwater world that few have seen but many depend on. Through the Florida Seafloor Mapping Initiative, Woolpert and partners are capturing this hidden landscape in unprecedented detail. Using aircraft, ships and uncrewed vessels equipped with Lidar and sonar, they have mapped tens of thousands of square kilometres despite hurricanes and rough seas. The resulting seafloor model will enhance navigation, habitat protection and coastal resilience while deepening understanding of Florida’s marine environment.

There are few regions of the United States as defined by or as

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Identifying True bottom for reliable dredging results

hydro international

The crucial importance of the bathymetry echogram for the success of excavation work

The Tietê-Paraná Waterway is an important navigable route in Brazil, stretching over 2,400 kilometres. It comprises sections of the Paraná and Tietê rivers and is equipped with lock systems to overcome the elevation differences of the dams. It is crucial for the transportation of goods and passengers, particularly for the transport of agricultural products from states such as Mato Grosso, Mato Grosso do Sul, Goiás and parts of Rondônia, Tocantins and Minas Gerais. Managed by the federal and São Paulo state governments, it is part of the Southeast Logistics Corridor, boosting industrial, tourist and economic development by linking production areas to seaports

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The digital twin of the navigable waters for smart marine navigation

 

 

 

YDRO INTERNATIONAL

The neologism ‘digital twin’ appeals to our intuitive understanding of a digital replica of real processes. The analogy of the twin creates the idea of great similarity – even if not complete sameness. In fact, this is exactly the point: a digital twin is a virtual representation of a material or immaterial object in the digital world that is as exact as possible. It consists of models, simulations, algorithms and services that describe the properties and behaviour of the real object.

The concept of the digital twin enables communication between the real and virtual object. Data flows from the real to the virtual object, while information flows from the virtual to the real object. By comparing and analysing

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dentifying True bottom for reliable dredging results

 

 

 

hydro international

The crucial importance of the bathymetry echogram for the success of excavation work

The Tietê-Paraná Waterway is an important navigable route in Brazil, stretching over 2,400 kilometres. It comprises sections of the Paraná and Tietê rivers and is equipped with lock systems to overcome the elevation differences of the dams. It is crucial for the transportation of goods and passengers, particularly for the transport of agricultural products from states such as Mato Grosso, Mato Grosso do Sul, Goiás and parts of Rondônia, Tocantins and Minas Gerais. Managed by the federal and São Paulo state governments, it is part of the Southeast Logistics Corridor, boosting industrial, tourist and economic development by linking production areas

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What Climate Change Means for the Mediterranean Sea

 

 

 

https://www.geomar.de/en/news/

GEOMAR Study Highlights Urgent Need for Action

05.09.2025/Kiel. Climate change threatens marine and coastal ecosystems in the Mediterranean region. Warming, sea level rise, and ocean acidification are occuring there more intensely and rapidly than the global average. A recent study led by GEOMAR Helmholtz Centre for Ocean Research Kiel investigated how strongly marine and coastal ecosystems in the Mediterranean Sea are already at risk, even under comparatively moderate additional warming. For this purpose, 131 scientific studies were evaluated in a thorough meta-analysis. The results have now been published in the journal Scientific Reports.

Temperatures in the Mediterranean are currently rising to record levels. Instead of a refreshing dip, holidaymakers in places like Greece, Italy, and Spain, among other places,

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