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# Questions tagged [oceanography]

Oceanography is the branch of Earth science that studies the ocean. It is also known as oceanology.

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### Why is reverse osmosis desalination the dominant method used and not heat-based methods? Also why is brine being dumped back into the ocean? [on hold]

So I was recently watching this video regarding desalination efforts around the world and the viability of desalination as a means to provide humans with freshwater. I had a few questions: 1 - They ...
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### What's really happening with “stormquakes”?

The PBS Newshour article Scientists discover big storms can create ‘stormquakes’ says: A stormquake is more an oddity than something that can hurt you, because no one is standing on the sea floor ...
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### Why was the temperature change greater in higher latitudes than in lower latitudes during the Paleocene/Eocene thermal maximum?

In the "Plankton cooled a greenhouse", which is the article written by Birger Schmitz, it is stated that the subtropical regions became warmer during the PETM(Paleocene/Eocene Thermal Maximum) but the ...
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### How does nature dilute Ocean and Seas so that we can swim in them?

I have a question about the seas and ocean we swim in. How does the Ocean get rid off all the natural pollutants (for example dead animal debris) and man-made pollutants (human waste, garbage, etc)? I ...
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### The halocline and sonar

I studied oceanography many years ago at university and recall a lecturer claiming that submarines in the second world war could pass undetected through the entrance to the Mediterranean.  ...
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### Can a sonar used to graph the ocean floors detect through polluted and highly populated waters?

So graphing the ocean floors using sonar is not anything new. But what are the limits to sonar? Would it be possible for a regular sonar device to emit sounds that are strong enough to penetrate ...
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### Do icebergs have any impact on ecology?

Are icebergs neutral actors in the environment, or do they have any impact on the local ecology. Do they have any environmental impacts that might influence any part of the biosphere?
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### Global tide calculation

I am familiar with the concept of harmonic tide coefficients and was wondering about the simplest software solution to calculate tides anywhere, worldwide. Are there any available, open source ...
94 views

### What kind of temperature unit is “cK”?

An article about ocean temperature history/modeling has this plot: Where the units are given as cK. cK does not seem to be a ...
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### Measuring Transect Length on Sea Floor

I was wondering if anybody had any insight or thoughts on a technological bottleneck we are facing in data collection. Basically, we have vessels (single operator) dig the substrate for collection ...
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### How to calculate Wind direction from uwind and vwind?

How to calculate wind direction from uwind and vwind? if uwind and vwind are -1.82 , -3.18 respectively
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### If ALL the ice melted, what percentage of the Earth's surface would be water?

At the present time, about 70% of the earth's surface is liquid water (perhaps that includes floating ice around Antarctica, and the Arctic Ice cap). What percentage of the Earth's surface would be ...
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### How much net carbon can coral sequester?

So I am wondering how much carbon any given coral can sequester given that carbon dioxide dissolves in water and forms carbonic acid, and coral uses that carbonic acid in their own calcification ...
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### How is sea level measured?

In comments on Earth changes due to global climate change, sea level changes is a common topic. I hear quotes about sea level changes in the centimeter and even millimeter range and wonder how such ...
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### predicting low tide

At 18:03 PDT at La Jolla Cove the lifeguard's bulletin board stated predicted low tide at 5:36 (17:36 PDT?). In fact, it was already after 6:00 and the sun had not yet set. The moon was a waxing ...