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Category: hydrography

GGE6022 hydrography knowledge October 25, 2017April 1, 2025 by Weston

A Model of Dynamic Ocean Topography

In the last few posts I’ve introduced you to the concept of dynamic ocean topography (DOT) and what causes it. In this post I’d like to introduce you to one of the global models or estimates of mean DOT and explain a little about how it was made. DOT can change daily which makes it …

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GGE6022 hydrography knowledge October 2, 2017October 28, 2024 by Weston

Inverse Barometric Effect: A Contribution to Dynamic Ocean Topography

One of the topics I omitted in the first post of this series was the inverse barometric (IB) effect. Think of someone jumping on the side of a waterbed, their mass adds pressure to the water which in turn causes it to flow to places where there is less pressure, like the other side of …

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GGE6022 hydrography knowledge May 23, 2017April 17, 2018 by Weston

Dynamic Ocean Topography: An Introduction

We generally think of the average height of the ocean as being a height of zero. This is because it can be useful to know how far something is above or below sea level, which is a vertical datum. It is a convenient reference height that is easy to access on the ocean or near …

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GGE6022 hydrography May 10, 2017April 17, 2018 by Weston

GGE6022 – Advanced Topics in Ocean Mapping

Over the next few months I will be making several post about an advanced topic in the ocean mapping domain for a course with the University of New Brunswick. To follow along the category label GGE6022 can be used. Other Posts in the Series GGE6022 – Advanced Topics in Ocean Mapping (this post) Dynamic Ocean …

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and other ramblings hydrography October 5, 2011October 5, 2011 by weston

Original U.S.C.&.G.S.S. Fairweather Life Ring

Two of my shipmates found an old life ring from our ship at a Ketchikan, AK antique shop. I couldn’t pass it up. After hearing about it I made a trip to the shop and bought it, along with a 1928 nautical chart of our current working grounds in Chatham Strait. Upon further inspection, the …

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adventure hydrography knowledge travel March 31, 2011October 9, 2011 by weston

Return to the Arctic

Last year, as a part of ongoing arctic research and, according to a news release from NOAA, due to “request[s] from the U.S. Navy, U.S. Coast Guard, Alaska Maritime Pilots and the commercial shipping industry” NOAA Ship Fairweather made the first of what will be many voyages into the arctic. She surveyed “350 square nautical …

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about

My name is Weston Renoud.

I am a traveler, a singer, a poet, and a scientist. I drink scotch, smoke a tobacco pipe, and fold origami. I love to hike, bike, and swim in really cold water.

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about

My name is Weston Renoud.

I am a traveler, a singer, a poet, and a scientist. I drink scotch, smoke a tobacco pipe, and fold origami. I love to hike, bike, and swim in really cold water.

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