Questions tagged [sea-level]
Questions regarding the height of the ocean's surface.
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Is the surface of the Indian ocean really 106 meters below sea level?
CNN's July 24, 2023 There is a ‘gravity hole’ in the Indian Ocean, and scientists now think they know why links to the Geophysical Research Letter (Pal & Ghosh 2023) How the Indian Ocean Geoid Low ...
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How can a tidal height be lower than 'Chart Datum'/'LAT' e.g 'Lowest Astronomical Tide'?
We just had a very low low tide in the UK, an equinoctial tide on the 12th of March that was calculated as -0.13m above chart datum, i.e 13cm below the 'Lowest Astronomical Tide'.
Check here for tidal ...
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Why does weaker local gravity cause lower sea level?
The weaker local gravity in the Indian Ocean geoid low (IOGL) causes the sea level to be 106 m below the global mean sea level. Why is that ?
"Because of this lower density, the gravitational ...
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How to de-tide a daily averaged sea level data?
Coud you help me to resolve this situation? : I have a raw daily averaged sea level time series, as you know when we perform a harmonic analysis (e.g. using T_Tide from MATLAB) we need to put our data ...
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What do interannual, annual and intrannual and interseasonal, seasonal and intraseasonal mean in the context of Oceanography?
Currently I am studying the period of oceanographic phenomena such as El Niño, and I have seen the next concepts: interannual, annual and intrannual and interseasonal, seasonal and intraseasonal. I ...
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Were sub-sea river channels formed when the land was above sea level?
In this satellite pic, on the land is the Columbia river on the western side of North America.
I was amazed to see the channel within the sea, more than 125 km long.
Can it be concluded, based on ...
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Is it safe for me to move to the coast?
I live in Brazil, around 200 km from the nearest coast.
I'm looking to move to Rio de Janeiro (a coastal city) to study at the Federal University of Rio, which is basically on an island (Ilha do ...
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Calculate how many meters does the visible horizon dip to the far sides of vision relative to a straight line
Suppose I have a 60° fov camera pointed at the horizon and from that position I start climbing up in altitude. The higher I go the more of the earth curvature I will begin to notice. Call the left ...
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Does melting sea ice rise the global sea level?
As sea ice is floating in oceans, it is currently occupying a volume of oceans. And also ice is less dense than water, and thus it has a greater volume with the same amount of mass compared to water. ...
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If the Sea level rises, will the mountains lose their height?
I read that the altitude of mountains is measured from the sea level. So, if the sea level rises significantly due to global warming, will the mountains and hills lose some of their altitudes and ...
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Would the US East Coast rise if everyone living there moved away?
I watched a documentary about research on the coasts of Greenland where the sea level has fallen. According to the research, this is because a lot of the glaciers have melted, resulting in less weight ...
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Does the 0m elevation height of a Digital Elevation Model (Copernicus DEM) correspond to mean sea level?
I want to model future coastal flooding caused by sea-level rise under the latest IPCC scenarios at global scale. To this end, I use the Copernicus Digital Elevation Model (Copernicus DEM: https://...
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Do the 600 satellites that orbit the Earth have any gravitational pull on the tides like the moon?
I know that space is big and satellites are small compared with the moon, but do they have, or will they if we get more, any effect on the sea and ocean water on the earth?
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Paleo-sea level of the Ionian basin
Q1 - I'm looking for research on paleo-sea level on the Ionian basin. I'm looking for sources that take into account tectonics.
Time period: Holocene - 30ka (and if possible, as far as 100ka).
I've ...
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How is sea level rise due to a glacier melting calculated?
There's news going around (e.g. link) that the melting of the Thwaites glacier may cause sea levels to rise by 10 feet. Is that true and not exaggerated? How is the calculation made? They said the ...
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