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534 questions with no answers
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1 vote
0 answers
39 views

I'm trying to load some .nc files this way: ds = xr.open_dataset('path/to/file.nc') At first I get no error message, but when I try to operate or simply visualize the data I get this really long ...
Ramiro chalar's user avatar
  • 51
3 votes
0 answers
91 views

I am trying to analyze the 30 day standardized precipitation index for a multi-state range of the southeastern US for the year 2016. I'm using xclim to process a direct pull of gridded daily ...
user32510748's user avatar
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0 votes
0 answers
30 views

There has been at least one other question regarding the introduction of new dimensions in the output of xarray.apply_ufunc; I have two problems with this answer: First, I feel like the answer avoids ...
derM's user avatar
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97 views

Very new to python! I am trying to model bottom water temperatures over time and need to reduce the resolution of my model from 1/20º to 1º. My ultimate goal is to map this and select specific grid ...
Alexis's user avatar
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2 votes
0 answers
90 views

I’m trying to subset a large xarray.Dataset backed by Dask and save it back to Zarr, but I’m running into a major memory problem when attempting to drop rows with a boolean mask. Here’s a minimal ...
Gary Frewin's user avatar
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0 votes
0 answers
74 views

I have netCDF files of oceanographic data processed in Python, that I'd like to update the global attributes of (i.e., add the same attributes to a bunch of files). Tried doing it in Xarray per their ...
Kurt's user avatar
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0 answers
60 views

from joblib import load ntrees_16_model = load(r"ntrees_quantile_16_model_watermask.joblib") ntrees_50_model = load(r"ntrees_quantile_50_model_watermask.joblib") ntrees_84_model = ...
Adriano Matos's user avatar
  • 427
0 votes
0 answers
71 views

I use Python version 3.9.18 to reading wrfout files (name like: wrfout_d02_2020-01-01_00:00:00) and get T2, Q2, PSFC, U10, V10, ACSWDNB variables and combine all days in the month to a output netcdf ...
marc_s's user avatar
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0 answers
59 views

My overall goal is the set up a virtual dataset of ERA5 data using Icechunk. As a smaller test example, I'm trying to pull all the data located in the 194001 ERA5 folder. I've been mostly able to ...
Andrew Gaul's user avatar
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0 votes
0 answers
51 views

I am using xarray and rioxarray to compute values from an existing dataset, the existing dataset as band like red, blue and green so I have something like this: import xarray as xr dataset: xr....
Holt's user avatar
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38 views

I have a very large Dask array containing geospatial information. I need to upload this array as a TIF file to an S3 bucket, but I cannot afford to load this raster in memory or save it to disk: I'd ...
ultrapoci's user avatar
  • 374
0 votes
0 answers
104 views

I currently have to do some calculations on a netcdf dataset. For this, I have to apply a function to each non-NaN element. Here is my current approach: import xarray as xr def calc_things(wind_speed)...
ATYslh's user avatar
  • 98
1 vote
0 answers
33 views

I have a script to load individual files into xarray for a custom data format which works fine when loading in individual files, however the moment I try to either load using open_mfdataset() or ...
JoelinRome's user avatar
  • 91
0 votes
0 answers
58 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 ...
siegfried's user avatar
  • 461
0 votes
0 answers
95 views

I have global daily radiation data for 19 years. It is divided into one netCDF file for every day (so around 7000 files). I am loading all the files together as a single xarray dataset. This takes ...
Karan Mahajan's user avatar
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