Newest Questions
7,496 questions
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Ground level wind is coming from southwest, but snow squalls coming from north-west. Why?
Where I am in SW-Ontario, current doppler radar shows snow squall bands coming off Lake huron from the north-west direction. Yet ground-level winds, which are strong, seem to be coming from the south-...
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How does a shallow magma ocean influence planetary evolution?
Recently, upon researching the distribution of nitrogen inside the Earth, I came across this study. On section 3.3 of the results, it's established that Earth would have sustained much more nitrogen ...
6
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"Volcanoes" in Asgat, Mongolia
I found these one day when looking for the Great Wall of China on Google Maps.
They look like small volcanoes, but I guess that they are not magmatic in origin, so what are they?
Google Maps
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Can Biotite be formed from the components of garnet under natural conditions ? If so why or why not?
Garnet biotite being common in schist made me question whether a Mg-Fe rich garnet can have rims of biotite being its replacement, as in they can occur in equilibrium and I have also studied some ...
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Potential fossil location in remote location in Northern Ontario, Canada?
This location has a lot of ancient-looking sedimentary rocks. Do you think it may be a good candidate for Ediacaran or Pre-Cambrian fossils?
https://maps.app.goo.gl/jdQJ7muDryNrpHSC8
It's quite remote,...
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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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How to compute HVSR from 31 days of downsampled SAC files and stack only selected time windows in Geopsy?
I am working with ambient noise recordings to compute HVSR curves.
I have 31 days of continuous data from one station.
Each day contains 3 SAC files (E, N, Z), named like:
20230423000000.SHE.SAC
...
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Unusual circular, multi-ring surface pattern ~4–6 km. What is this structure?
I have been examining Sentinel-2 multispectral imagery of an area located on the island of Borneo in Indonesia near 0.04918° S, 116.530° E with an area of 38.60 km2 ...
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Just filled my well, does it feed the water table a lower on its own without using water?
Our well dried up…at lease the water level was below the pump intake that sits at 24” above the bottom of the well. We hauled in 300 gallons and the level rose to 121”. Two days later, the level ...
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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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Developing a filter to identify gold lodes from geology datasets and am wondering if I should eliminate any of these Geomaterials from the filter?
Caveat I am not a geologist I'm a software developer! This is for a GIS class project so the precisions don't have to be great.
Just trying to narrow the filter down to eliminate the obviously ...
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does mulching appear to reduce steady-state infiltration rate?
I'm currently writing my bachelor's thesis and I'm facing a small problem: I don't know how to properly discuss my results.
I conducted a 2×2 factorial experiment with the factors Vole and Mulch. In ...
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Earth's rate of thermal contraction? [duplicate]
UPDATE - Many thanks to the member who connected this question with an earlier post that I had missed: How quickly is the Earth shrinking?. I will leave mine up in case it helps someone else's search. ...
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What can cause the sky to turn purple? Especially when there is rain present?
This photo was taken on 12/4/21 at ~4:30 PM in Seattle,WA(Discovery park to be exact). It was rainy that day and I noticed to my amazement that the whole sky turned lavender purple and it lasted for ...
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ERROR in METINIT: Negative depth in metinit, i,j,k = 401199 24
I have compiled CAMx6.50 and I tried to run it.
However, in the .out file this message is printed:
Read 3D met file at 0. 25296 grid 1
ERROR in METINIT:
Negative depth in metinit, i,j,k = ...