Category Archives: Hydro/Marine

Monohansett

Deep-sea Mobile Mapping

This entry is part 19 of 19 in the series PangaeaWe’re all familiar with lidar-based mobile mapping from ground vehicles, and most of us are aware that aerial lidar is being used effectively to do shallow-water mapping along coastal and riverine projects. Deep-water lidar mobile mapping from an ROV? Well it’s a first for me....

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Disparate Data for Marine Life

This entry is part 5 of 8 in the series December 2016Remote sensing data helps to inform ocean planning for energy development around the main Hawaiian islands. Using remotely sensed imagery to map physical and biological patterns in the marine environment enhances our ability to understand how environmental conditions change over broad spatial scales (10s...

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Hydro Insights Part 3

A Case for Big Blue Data Note: xyHt is honored to host insights from Dr. Dawn Wright and Captain (ret.) Rafael Ponce, two distinguished scientists in the fields of hydrography, marine surveying, and oceanography. Parts one and two of our interview appeared in the September and November 2015 print issues of xyHt. xyHt: Terrestrially, a boom is...

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Dual-head Mapping

A dual-mount multibeam sonar installation is used to conduct extreme shallow-water surveys of intertidal seafloor to track morphologic change. This article contributed to by Heather Weiner, Brent von Twistern, Mike Brissette, Jonathan Beaudoin, and Amanda Hacking. The intertidal and nearshore zone is among the most ecologically productive and important zones to coastal resource management agencies. However,...

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UAS: It’s Unstoppable and Headed Your Way

This entry is part 16 of 19 in the series PangaeaFrom time to time I like to stop and think about the mission of Pangaea and explain that mission to you. My task is exposing you to new, emerging geospatial technologies. But why bother? Here’s a little analogy I thought of to help explain why...

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The Future of Treasure Hunting: Part One

This entry is part 7 of 19 in the series PangaeaWe continue this series on treasure hunting with geospatial tools by taking a peek at what the future may hold for seekers of undersea hidden treasure. The tale of Mel Fisher and his hunt for the “Nuestra Senora de Atocha” illustrates the difficulties of undersea...