Top new questions this week:
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I was exploring some islands by boat recently and I came upon some pretty impressive rock formation. I’m interested in finding what mechanism produces those angle mineral strips. Some of them were a …
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This images are of Mt. Kailash, Himalaya. Front face of Mount: Back face of Mount:
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I heard that some ocean oscillations act on a time scale of a millennium. Is this true, or at least argued by some oceanographers? If so, what are they and what causes them? If not, what are the …
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I am writing a paper on the role of petroleum emplacement and grain coatings in preserving porosity during burial. I can find many sources discussing grain coatings stopping cementation in sandstone, …
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The Earth axis changes tilt with a period of 41 000 years, and with an amplitude of 1.2 degrees. What does the spectrum look like? Is it a steady periodic motion, or rather some quasi-periodic …
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I remember reading about a substance – I think it was a metal – left behind by meteorite impacts and nuclear explosions, but I can’t remember the name. What is the name of the substance left behind by …
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I’m trying to recreate the graphs in Figure 6.2 from this source (page 88). They get these plots by using the following solutions for velocity and temperature (both obtained from solving the basic …
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Greatest hits from previous weeks:
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According to NASA, causes of the Earth’s greenhouse effect include water vapor, carbon dioxide, methane, nitrous oxide, and CFCs. Carbon dioxide gets the most press, and NASA’s page says: Carbon …
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As the Earth’s axis is inclined, during summer in the northern hemisphere places in the north are exposed to the Sun’s rays for longer, so days are longer during summer (say in June – Aug). Yet, …
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As part of a course on Natural Disasters, I have a group presentation in which we focus on a specific natural disaster. One of the questions we have to address is how human activity may have affected …
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Most of the water cycle studies focus on the processes and changes occurring over land with little emphasis on the ocean. Meanwhile, the ocean covers almost 3/4 of the surface of Earth. How much of …
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In the question Does gravity increase the closer to the core you get?, it was determined that gravity reduces to zero at the center of the Earth. That is logical. However if pressure is proportional …
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I am in O’Fallon, Missouri and today it is -15 °C (5 °F) outside. I was taught water freezes at 0 °C (32 °F). I could understand if it was exactly 0 °C (32 °F) that the water might not be turning to …
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Some crystals, like quartz and diamonds, form in a variety of different colors. For example, quartz can be clear, ‘foggy’, pink, yellow, and even blue. What happens during the crystal’s formation to …
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Can you answer these questions?
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Simply as the title states, how did we find out about the relationship between the temperature of the air and the distance from the ground? I tried googling, but found nothing. I searched for “…
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Lookin into geothermal cooling, and want to learn more about how temperature behaves at different depths, not too deep like 100 meters or so, ignoring unusual stuff like geysers and things. I want to …
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I’m working through problems in the Vallis ‘big book’ and I’m stuck on the following problem: Consider a wind stress imposed by a mesoscale cyclonic storm (in the atmosphere) given by τ = −Aexp{−(r/λ)^…
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