Category Archives: Hydro/Marine

The SD Moorfowl lifts a Highball from Loch Striven.

Recovering the Bouncing Bombs

This entry is part 4 of 4 in the series 2017 November xyHtSidescan sonar helps a hydro survey team and a dive club find and raise the famous bouncing bombs from WWII. (Above: The SD Moorfowl lifts a Highball from Loch Striven.) As of May of 2018, it will be 75 years since the famous...

Because lidar is line of sight, there are many areas that cannot be captured from the shore

Yaw, Pitch, and Roll

This entry is part 8 of 10 in the series October 2017Nautical lidar works for a waterway bridge replacement project in Boston. Waterway projects can pose major challenges for surveyors and engineers needing survey-grade data because of unpredictable variables in the marine environment. Surveyors face inaccessible areas, tidal changes, marine traffic, and unpredictable weather, as...

Eclipse Background, NASA

Night in the Afternoon: A US Solar Eclipse

This entry is part 2 of 8 in the series August 2017What you need to know about the 2017 solar eclipse The upcoming solar eclipse will leave a 70-mile-wide trail of darkness across the United States on August 21, 2017 (see the map of the eclipse path on pages 44-45). This will be a once-in-a-lifetime...

Surveying a Mile Down

This entry is part 6 of 8 in the series June 2017Above: The metrology viewed as a combined model. A 3D surveying company provides highly detailed lidar data on subsea drill centers. This article almost didn’t happen. I first met with ADUS DeepOcean in January 2017, when we discussed how they had captured high-resolution laser data...

The Hydrous: Mapping Vanishing Reefs

This entry is part 2 of 8 in the series June 2017Using geospatial technologies, The Hydrous provides “open access” to oceans in an attempt to save critical habitats. The oceans of the world are vital to our survival. While monitoring their health is the realm of scientists and protecting their health is the responsibility of...

GEO Business 2017

This entry is part 1 of 1 in the series GeobusinessNicholas makes the annual pilgrimage to GEO Business for xyHt This blog is going to start with a short piece about skips. If you are afraid of skips (skips are what you’d call “dumpsters” across the Atlantic), turn away now …. Monday morning and 24...