Questions tagged [measurements]

Questions related to acquiring, processing and interpreting field measurements of any kind. Including instrumentation and data analysis.

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1answer
339 views

What is 'dissection rate'?

I am looking for a definition of this term for wikipedia, with a reference. It's mentioned on Franz Josef Land where it's indicated that the units are km-2/km. I'm curious about how this would be ...
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33 views

Books / resources on measurement methods in atmospheric sciences

I have found this very long book from weather.gov (free access) Guide to Meteorological Instruments and Methods of Observation which might be a bit too in-depth for what I'm looking for, so I was ...
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65 views

How is tiltmeter data processed?

With what programs can inclinometer data be processed? And how is instrumental correction done?
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0answers
1k views

Drawing strike lines when given strike and dip

Map 1 shows a hillside with topographic contours at 50 m intervals. At Locality A a coal seam is exposed at the surface. The strike and dip of the seam is as indicated on the map. Use this information ...
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54 views

Determining '< x' values as numeric

I do have a large dataset containing nearly a decade of particulate matter measurements. At the lower precision limit of the measuring instrument, there are values given like ...
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0answers
24 views

Does the level/reading/measurement of solar exposure impact temperatures

Does the level/reading/measurement of solar exposure impact temperatures? What I mean by this is, does a higher level/reading/measurement of solar exposure of a place cause/create higher temperatures, ...
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1answer
147 views

How to Interpret this set of Latitude and Longitude?

I have a house's coordinates that I know is in LA, Ventura, or Orange county, California and it says the latitude and longitude are ...
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1answer
70 views

Help understanding radar data in subglacial lake complex beneath Devon Ice Cap

The BBC News article Isolated lakes found beneath Canadian ice sheet links to the open access Science Advances article Discovery of a hypersaline subglacial lake complex beneath Devon Ice Cap, ...
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1answer
31 views

Is it possible to obtain the richter grade of an earthquake with the data of an accelerometer?

I have an accelerometer on a table that gives me the $x$, $y$, and $z$ axis acceleration in $m/s^2$ when I move the table. Is there a formula or method to pass this data to a earthquake grade in a ...
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1answer
76 views

Does the diameter of the earth decrease because of soil subsiding due to irrigation and rainfall over the years?

I am taking a course on coursera where the instructor talks of a soil subsidence concrete post that was put there in Everglades southern Florida in 1920s. He goes on to describe the level of earth ...
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1answer
66 views

How do we know the speed of S-waves (shear waves) in the Earth's inner core? Has this been measured?

Wikipedia's Seismic wave includes the plot below of the speed of S and P waves as a function of depth in the Earth. In the region of the outer core the speed of S-waves or shear waves is shown to be ...
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1answer
700 views

Which is worse, plastic or styrofoam cups?

Which disposable cup between plastic and styrofoam harm the environment the most? Which is the most unhealthy to use for the Earth for humans and animals?
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1answer
103 views

Are there ways stormwater attenuation can be quantified for comparison between different systems or conditions?

Various sources agree land cover changes impact the attenuation of stormwater. E.g. forest areas generally slow the rainfall-runoff response and moderate it, reducing peaks in hydrographs, as compared ...
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122 views

How to find latitude and longitude? [closed]

I worked on the map and found out that point A is 60oN 120oW by looking at it, but the answer said that it A is suppose to be 30oN 90oW. For B, I got 30oS 60oW, but the answer said that B is 23oS 43oW....
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19 views

Sustained WS discrepancy for Hugo 1989 in Charleston

I am reviewing Sustained Wind Speed data for several locations associated with Hurricane Hugo in September 1989. HURDAT2 data shows the Max Sustained Wind Speed at Landfall to be 120 knots at Isle of ...

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