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1 answer
113 views

I am trying to concatenate 10 netCDF files that are output files from a software named Ichthyop. Each of the files is a result of a lagrangian simulation of particles drifting in the Eastern ...
0 votes
0 answers
51 views

I have 78 netcdf files each around 17MB, with shape (time=1, x=2048, y=2048) to be merged spatially. The single timestep is shared for all 78 files. The collgrid merge command below was able to ...
0 votes
1 answer
214 views

I have two or more NetCDF files that share a time dimension and time variable, where the time variable is the same for all the files (from the start to the end of the time period, unit, etc). The ...
ShGh's user avatar
  • 67
-1 votes
2 answers
216 views

I have the following netcdf file: ncfile.nc The file has latitudes ranging from -90deg to 90deg. I need to flip these coordinates to 90deg, -90deg, so that the southern hemisphere becomes the northern ...
-1 votes
1 answer
71 views

Edit: Raw files for the years 1996 and 2005 for testing can be found here. I have output from two modelling scenarios in a climate risk model (evergreen and control). I want to find differences ...
1 vote
1 answer
262 views

I am performing a EOF analysis for JJAS NDVI. from netCDF4 import Dataset import matplotlib.pyplot as plt import numpy as np import pandas as pd import xarray as xr import matplotlib as mpl import ...
1 vote
1 answer
89 views

I am trying to draw climatology map of GPCC precipitation. But I found out there is a blank (data cut) in Prime Meridian Line. How can I fix the problem? I can use CDO, NCO, Python. I also share the ...
2 votes
0 answers
117 views

I have a shell script on Linux to extract NetCDF data for each grid into a .txt file. This is the annual averaged NetCDF data that I used in this conversion (originally was daily data), the size was ...
1 vote
1 answer
133 views

I have monthly data for each year spanning from 1950 to 2022, and each year contains 12 monthly timesteps. How can I calculate and generate a single mean monthly data file that averages the values ...
1 vote
0 answers
91 views

Does anyone know of a toolbox to convert ERA5 model level data to height levels? I have tried CDO but cannot find documentation of the parameter naming and formatting to use with ml2hl and as such the ...
oben's user avatar
  • 31
0 votes
1 answer
121 views

I am working with ERA5 atmospheric data to calculate wind speeds anywhere globally, at maximum spatial and time resolution. This results in an uncompressed 70GB file for one year's worth of data, and ...
2 votes
1 answer
206 views

I have hourly surface temperature data from the RegCM model output. It is 3D data with a size of ×ばつ1176 (lon×ばつla×ばつtime). The time dimension is in hours, so 1176 hours means a total of 49 days of ...
0 votes
0 answers
131 views

I have a gridded dataset (NetCDF format) covering Pakistan and its surrounding areas, but I am only interested in the region of Pakistan itself. I am wondering if there is a way to extract only the ...
3 votes
0 answers
218 views

I have a netCDF file, data.nc.ncdump -h data.nc shows that the dimensions are: dimensions: cell = 20480 ; nv = 3 ; time = UNLIMITED ; // (12 currently) In a Jupyter notebook, when I read ...
1 vote
1 answer
1k views

I am using the following cdo command to obtain the information of a grid file (from AQUA/Modis): cdo griddes file_AQUA.nc In this step, the following information was obtained: gridID 1 # gridtype = ...

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