All Questions
Tagged with ocean or oceanography
641 questions
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Recommendations for submersible asset recovery beacons
I'm looking for recommendations for submersible asset recovery beacons to attach to Passive Acoustic Recorders and VEMCO Acoustic Recorder moorings we are deploying in riverine systems up in Maine.
I'...
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Need help identifying readouts from a sounder
I need some help with my homework. I was on a trip with a research vessel Electra over a month ago and need to write a report on different instruments we used. Of all the readouts, I noticed I didn't ...
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Does this post about accumulated heat make any sense?
Most discussions of climate change focus on global average surface temperatures, but I recently read a post arguing that the real issue is accumulated heat, especially in the oceans.
The post claims ...
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Impact of periods with fewer hurricanes
This question is motivated by the slow start into the hurricane season of 2025.
While the interaction of hurricanes with the sea is complex, they do transport significant energy across large distances,...
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In India, why do the rivers on the western coast form esturies while those on the eastern coast form deltas?
Why do rivers on the western coast of India predominantly form estuaries at their mouths when they meet the sea, while rivers on the eastern coast of India form large and extensive deltas? What are ...
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I expect to see different values for different times of day, but that’s not the case. Why is that?
I downloaded sea surface temperature (SST) data from the ERA5 products, which has a 3-hour temporal resolution (i.e., 8 times per day).
Naturally, I expect to see different values for different times ...
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151
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Densest water mass on earth is Mediterranean outflow
An oceanographer once told me that the densest water mass on earth is found in the outflow of the Mediterranean. However it does not form bottom-water due to turbulent entrainment and the thermobaric ...
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How to correctly set the gain for a single beam echosounder?
I have the BlueRobotics Ping Sonar, which is a single beam echosounder. In each of its reports, it returns an integer representing depth in mm, and a profile data vector with 8 bit integers ...
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Inverse barometric pressure
I'm currently working a theoretical sea level analysis with tide levels and atmospheric pressure. In order to know how much sea level changes according to a change in pressure I calculated the inverse ...
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Existing model for ship/boat detection/density from satellite images?
I'm working on a project requiring the automatic detection of ship/boats. And/or the estimation of boat density/pressure per unit area.
I was thinking that it might have been interesting to check if ...
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What percentage of our oxygen comes from mineral sources?
There was an article in Science News, In a seafloor surprise, metal-rich chunks may generate deep-sea oxygen, a few months ago about metal nodules on the ocean floor producing oxygen.
I am concerned ...
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How do seasonal changes affect tides/sea level?
I'm currently doing the theoretical part of an advanced sailing certificate, which
involves tidal calculations using the admiralty tide tables (ATT). In these,
the times and heights of every high and ...
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What happens to all the icky stuff?
All of the most horrible, disgusting liquids I can think of eventually run into the rivers, which run into the ocean.
The rain that runs down the back alley in a Haitian city, water that pools in dead ...
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What's the most straightforward way to convert .grb2 data to csv?
I have some GRIB2 data (for example here) that I'd like in a more mainstream file format like CSV or JSON. I have tried several of the open-source programs recommended on the Wikipedia page, but ...
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Is it humane/ethical to buy coral in the United States?
Sorry if this a weird question. Feel free to move to a different site if best posted elsewhere!
I read that most(?) coral in the US and live rocks are farmed from the ocean. Are they ethically sourced?...
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