Questions tagged [grid-spacing]

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1answer
71 views

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 ...
1
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2answers
58 views

ERA-Interim how to select only grid-points over land area?

I am using ERA-Interim data, e.g. total precipitation, and I want to take only observations over land areas. How can I filter the ERA-Interim dataset of precipitation to get only observations in grid-...
0
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1answer
52 views

Creating regular grid for my data? [closed]

I have daily spatiotemporal data with covariates at 10 different locations. My question is is it possible to convert my data into a grid format?
5
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1answer
65 views

Calculate the number of model grid cells covering a specific country

What is the best method of calculating the number of model grid cells (e.g. of climate models) covering a specific country? For example, if I wanted to know how many 2 degree grid cells are in the ...
7
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1answer
127 views

What determines the spatial resolution of a study?

This might sound like a silly question to many of you, but I am addressing the comments of a referee regarding a study I'm trying to publish and I remained a little puzzled about this issue. Let's ...
4
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0answers
68 views

What is the equivalent of CFL criterion when using spectral models?

I would like to know what the equivalent of the CFL criterion is for atmospheric models based of spectral grids. In other words, how do you find the necessary horizontal resolution in meters for ...
7
votes
1answer
6k views

Converting grid resolution from degrees to kilometers

I am curious how can one have an idea of grid resolution. How much is the distance resolution in km of a grid with resolution of 0.5 deg x 0.666 deg?
9
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0answers
235 views

What is the finest horizontal grid spacing that Eulerian grid-cell air-dispersion models should use?

My colleagues run the Advanced Research Weather Research & Forecasting (WRF) model in predictive mode, and then test the skill of the model anywhere from 12 - 84 hours out from the initialization ...