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5 views

Does WRF simulation use sigma or eta vertical coordinate system?

Could you tell me what the WRF's vertical coordinate system is? Sigma or eta? According to the User WRF Guide document, uses a terrain-following hydrostatic pressure coordinate while the WRF ...
1
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0answers
26 views

By what objectively correct process could we determine the truth about the actual severity of anthropogenic climate change?

I began to do the best that I could to boil the key facts down to the most basic essence of proving significant anthropogenic climate change: (1) It is a verified fact that since 1959 CO2 increased ...
4
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2answers
50 views

Database of mineral with images for a neural network application

I'm diving into data science and I'm looking for a complete database of minerals. I downloaded the csv file from http://rruff.info/ima/ . It contains 5516 lines of data but it does not have images or ...
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0answers
12 views

Determining Horizontal Coordinate System data (azimuth, altitude) for geographic locations

I would like to determine, specifically, azimuth and elevation data for any given location on the surface of the earth relative to another location on the surface of the earth (for my purposes, the ...
1
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1answer
33 views

MERRA-2 Reanalysis data V and U wind are missing values over land at 1000 hPa pressure level

I need 6-hour MERRA-2 reanalysis data to do some research. I downloaded the data from this website: https://disc.gsfc.nasa.gov/datasets/M2I6NPANA_5.12.4/summary?keywords=merra When I used ncview to ...
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0answers
5 views

download NASA Earth Exchange Global Daily Downscaled Projections for single lat lon

I have a lat lon - 23.14, 83.14 and I need to download the NASA Earth Exchange Global Daily Downscaled Projections (NEX-GDDP) data from the below website only for this lat lon. https://dataserver....
1
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1answer
42 views

Weather Forecasts

Are weather forecasts such as on weather.com or other apps continuously updated for each location and updated by an operator or is it just a computer automatically updating the forecast?
3
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0answers
9 views

what is a sensitivity analysis in heavy rain 2D surface / 1D drainage network models

For my thesis, the lecturer proposed to make a "sensitivity analysis" with a 2D surface model connected with a 1D drainage Network model for a storm rain event. However, I'm having problems to figure ...
1
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0answers
50 views

Is there any climate science explanation for this graph besides severe anthropogenic heating?

Since 1950 surface temperatures have risen significantly even though the total radiant energy from the Sun has been decreasing over this same period. To the best of my current understanding as long as ...
2
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4answers
112 views

Is Oregon lake extremely pure water? If so, why?

My question is, Is the lake shown in the YouTube video Clear Lake, Oregon extremely pure water by volume not counting dissolved air which might be about 1 in 20 by volume? In case you didn't ...
1
vote
1answer
24 views

state of Nitrogen, Phosphorous and potassium during Anaerobic digession

I am planning to go for organic farming and I would like to utilize available weeds itself as fertilizers with either anaerobic or aerobic digestion. I understand that during Aerobic process (...
4
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2answers
80 views

Which markers could suggest that there was extinct or extant life on Mars?

Researchers who are involved in study of life on Mars are saying that there might be multicellular life present on Mars, today or in the past. Which traces, markers or environments on Mars could ...
6
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3answers
5k views

Are we experiencing lower level of gravity now compared to past?

Whole civilizations have been buried underground and we have built new landscapes over them. The fact that tall buildings and houses are being excavated from under the ground means that we are living ...
4
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2answers
466 views

Looking for a complete table of minerals for a database

I am building an open source spatial geochemical/geological observational database for mineral exploration. I need to fill the mineral lookup table. Where can I find a complete list of all minerals ...
1
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0answers
20 views

Thunderstorms in the Great Smoky Mountains

What time of the year does it rain the least in the Great Smoky Mountains National Park and what month gets the least amount of thunderstorms
0
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0answers
34 views

Do you know what kind of Rock this is [on hold]

Please help me to figure out what kind of rock this is shiny white hard rock and very smooth
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0answers
30 views

Can you identify this mineral for me please [on hold]

River rock. Seem to be a lot of artifacts in this area](https://i.stack.imgur.com/U1quC.jpg)
4
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0answers
42 views

Is this description of the effects of global warming supported by scientific research?

I found the following web-page which contains a dramatic degree-by-degree account of how climate change could play out in the future: http://globalwarming.berrens.nl/globalwarming.htm. It is more ...
1
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1answer
23 views

Temperate Rainforests

I have heard that the Appalachian Mountains is qualified as a temperate rainforest. What qualifies a temperate rainforest and what makes the Appalachian Mountains a temperate rainforest?
4
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0answers
39 views

Why is wind shear consistently high in the South Atlantic?

I have read that perhaps the largest reason that tropical cyclones are so rare in the South Atlantic is due to chronically-high vertical wind shear which inhibits their structural development. But ...
5
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2answers
199 views

What are these underwater structures near 6°N 85°55'W

While google earth-researching the sea floor near Malpelo and Cocos Islands (Colombian and Costa Rican Pacific Ocean), I came along these strangely geometrical structures in the sea floor, located ...
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0answers
12 views

how is it possible to see the sun and the moon at the same time? [migrated]

I once saw the sun and the moon at the same time once. How is this possible? Im from london england U.K and this probably some time in 2017 autumn time at around 6pm any Ideas.
10
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2answers
16k views

How long does it take for a stone to alter?

We see stones and they appear to be the same throughout our life time. Mountains also appear to not significantly change. So do mountains and stones decompose? What is the life span of a stone? After ...
6
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2answers
797 views

What is the name of this landform?

These are from the movie Insomnia. Also available in this video from 4 seconds to 8 seconds. What is the name of this landform? Are these just snow on Lapies? or These are some form of glaciated ...
2
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0answers
13 views

Where I can download Vertical Velocity data in the MERRA Reanalysis

I want to download Vertical Velocity data in the MERRA Reanalysis. But I can not find it even I carefully went through the entire list of MERRA data. This is the website I searched through: enter link ...
5
votes
2answers
49 views

Does erosion make mountains become higher?

Recently at the American Museum of Natural History in New York, I saw a display set that claimed erosion makes mountains rise higher, counterintuitively. The explanation was that the material removed ...
1
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0answers
27 views

Which Farm Crops Are Most Efficient at Reducing Local CO2?

The presence of nearby rainforest is known to measurably deplete the local atmospheric CO2 content, but how much would CO2-hungry crops reduce local CO2 and which crop would deplete it most? My guess ...
1
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0answers
37 views

Planets are different in all forms but seasons are similar [on hold]

We all have basic ideas about planets and their seasons..But my question is that why do NEPTUNE and EARTH have similar seasons although there compositions are completely different..On earth Nitrogen ...
3
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2answers
154 views

How reliable would measuring global heating from satellite be?

Some anthropogenic global heating (AGH) skeptics deny that any global heating is occurring. I figured out a way that could be used to refute them. A weighted average of all of the thermal points on ...
0
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1answer
44 views

Natural Raw Water [on hold]

I have been drinking natural unfiltered raw water straight from rivers, streams, springs and ponds and I haven’t ever gotten sick from it. I strongly believe and know it in my heart that water from ...
4
votes
2answers
88 views

Do tectonic plates “float” over the mantle and “collide” like icebergs?

I'm always hearing about tectonic plates as large chunks of crust floating on the mantle just like boats. In timescales of millions of years they move and even collide. But I'm starting to think this ...
3
votes
1answer
38 views

What's the story of the shear face in the new Mac OS Catalina wallpaper?

The new Mac OS boasts a beautiful default desktop background with the western tip of Santa Catalina Island. The rock formation in the foreground looks like it was sliced on the diagonal with a power ...
3
votes
1answer
26 views

Spatial allocation of road emissions and unit conversion

I have a grid shapefile that has a resolution of 1km x 1km. This grid is then used to spatially allocate road emissions. My goal is to get the emissions in the unit: μg m-2 s-1(microgram per ...
3
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0answers
41 views

Why aren't tornadoes embedded in squall lines or tornadoes in high-precipitation supercells destroyed by downdrafts?

I often hear that tornadoes die when the RFD (Rear Flank Downdraft) strengthens and destroys their source of inflow... How do tornadoes get any inflowing updrafts when they are embedded in rain? How ...
2
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0answers
34 views

ERA-5 data downloader… other than CDS-API?

The CDS API does not behave well on our machines. Has anyone had any luck scripting their own ERA-5 reanalysis large-data download script? Perhaps something that is not nearly as large, clunky, and ...
0
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0answers
39 views

Help me identify this rock/coral/fossil from the Caribbean [closed]

Found this on the beach and just curious what it is. It looks like a fossil to me
7
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1answer
64 views

Does Antarctica have a lot of aquifers?

I got to thinking about freshwater on Antarctica. Obviously, there is a lot of freshwater ice. However, the deeper you go underground, eventually the dirt will be warmed geothermically. So does the ...
2
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0answers
77 views

Predicting the weather in two months

On Nov 1, I looked at the Dallas monthly weather averages (pasted below) and tried to predict the average temperature for Jan 2020. It's hard to see any trend, so I would simply predict 46.2 +/- 3.5 °...
39
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6answers
12k views

CO₂ level is high enough that it reduces cognitive ability. Isn't that a reason to worry?

I think that the level of carbon dioxide in the air is high enough to reduce the intelligence of humans. This is completely unrelated to greenhouse effect of CO₂ and climate change. Except that it ...
1
vote
1answer
52 views

Why does the ocean seem much cleaner than the bay I live near

I live in Melbourne near a bay, and it always seems really dirty, whenever I go out to the open ocean the water always seems much cleaner. Is there a reason for this, does the bay trap pollution or do ...
1
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0answers
30 views

Natural air-CO2 deviations in the troposphere

I'm working on a room air quality management algorithm, and many sensors seem to respond with CO2 measurements of as little as 200 ppm. Obviously a sensor giving off this value will be broken or badly ...
5
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2answers
87 views

What caused peak CO2 to rise, starting about 400,000 years ago?

This question assumes the accuracy of this (and similar) charts. Source of image. From the image, CO2 peaked at about 260, perhaps 265 ppm during the interglacial periods between 800,000 years ago ...
1
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3answers
40 views

How to deal with a pond silting up [closed]

I live in a town that has a sizable pond that is dammed with a concrete overfall spillway. Decades ago the state demanded that the dam be installed to guarantee that the surface height of the pond ...
71
votes
18answers
37k views

Are there any saltwater rivers on Earth?

I'm curious if there are any saltwater rivers on Earth. These would presumably arise if a saltwater lake had a river outlet to the ocean. However, all the saltwater lakes I looked at (Caspian Sea, ...
2
votes
2answers
54 views

Local Weather Forecast (Self-Learning Algorithm)

First of all, the question! : Is it possible to predict local weather tendencies for the upcoming hours (let's say 2-3 hours) using only local data? If yes, which data is needed to make such ...
0
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0answers
36 views

Help I’d this rock [closed]

rusty not magnetic, grey color on tile, weird rock
0
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1answer
44 views

Zoeppritz equations derivation

I have been long looking for the derivations and step by step explanation of Zoeppritz matrix but either internet is full of final versions or I can’t find it...I would be very thankful if anyone can ...
0
votes
1answer
42 views

In the USA, are pesticides regulated differently for animal vs human consumption? [closed]

I'm looking into growing edible oyster mushrooms. I'm considering using whole-oat horse feed in the growing process. I realize that additional steps are taken to ensure food is fit for human ...
1
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0answers
29 views

mineral prospecting in Iran

I live in Iran and I want to do personal mineral prospecting for natural crystals and gemstones and beautiful minerals. Unfortunately, there are no reliable information available. Anyone can help me ...
4
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2answers
691 views

No sedimentation without water?

I just found a video on sedimentary rock formation, and to my surprise, it stated that this only could occur in water! I always thought that any layer of matter, if buried deep underneath more matter, ...

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