Questions tagged [interpolation]
The interpolation tag has no usage guidance.
16
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Error message in metpy function interpolate_to_isosurface for relative humidity variable from wrf
I want to extract relative humidity at a specific pressure level (850 hPa) using metpy. Earlier, I tried with wrf-python function 'wrf.interplevel' and it worked successfully. But, I was getting some ...
3
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Best method for weather station data interpolation with external parameters
I'm part of an organization maintaning a large network of weather stations (~3000 stations) over a European country.
Besides storing data measured from the stations into a database, we also produce ...
2
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40
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Universal or Ordinary Kriging?
Hi I am creating an isoscape model in which I am plotting 2H and 18O of precipitation. Until now I have always used ordinary kriging for the interpolation, but I am somewhat dissatisfied with the ...
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Oscillations in the variogram
I have created the following variogram.
However, it can be seen that the values show a certain periodicity. Is this correct and where do these fluctuations come from?
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Algorithm for the interpolation?
I have managed to plot various points on a map and interpolate with ordinary kriging. However, my data does not look anything like it should. Do I need to use an algorithm to fill in the missing data? ...
2
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Which variogram method for ordinary kriging?
I want to plot atmospheric data (2H and 18O) on a map and use ordinary kriging for the interpolation. Now I have the question how to quantify which variogram method (Gaussian, exponential spherical) I ...
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Identify and mask lakes
I have a question, I can mask out the oceans in the interpolation but not the lakes. Does anyone have an approach?
I have taken the masking of the oceans from: https://www.earthinversion.com/...
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49
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Complex interpolation for Isotopic data
I have another question, is there a package that interpolates precipitation data taking into account mountains and oceans? I have so far used Numpy and Basemap but as you can see in the code, the data ...
3
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What is the best way to interpolate Isotopic data and display them?
I want to interpolate isotope data of precipitation and display it on a map. The data are available as a CSV file.
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What is the best method for the spatiotemporal interpolation of Aerosol Optical Depth (AOD)?
I have a table that looks like the image below:
It has a lot of missing Aerosol Optical Depth (AOD) data. To solve the only the spatial component of the problem, one can use a multivariate ...
5
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Python - How to write interpolated raster to netcdf file
Currently i am dealing with a bunch of coordinates (epsg:4326 => lat/lon) and their corresponding value (temperature). The goal is to write these coordinates and their values into a simple netcdf ...
2
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Difficulty interpolating near poles using lat/lons
I've been writing a 2D interpolation scheme for use on the globe which utilizes lat/lon values. Once I try to use values closer to the poles, latitude distortion becomes an issue. For example:
...
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565
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Interpolating world data to a local grid in Python
I have an NC file that has global data with a high resolution (about 25 minutes) so a lot of coordinates.
I have some measured values of some region with irregularly spaced coordinates.
In order to ...
5
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2
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262
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Can I interpolate rainfall data from stations outside of watershed for the watershed?
I have only few station inside the watershed so I want to use the stations outside if I can to get better results
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271
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python generate 3d unstructured grid
I would like to create a 3d unstructured grid based on data points with xyz and property. Can Python do this and what tools?
My question is quite generic but i can provide more details: the data has ...
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How to interpolate scattered data to a regular grid in Python?
I have three txt files for longitude, latitude and temperature (or let's say three lists lon, lat, temp) from scattered weather station in the UK. I would like firstly to interpolate these data in ...