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For updated Tutorial material, please visit the Pythia landsat-ml cookbook.
For Topic Examples, head over to the HoloViz Examples website.

Alignment and Preprocessing

Right click to download this notebook from GitHub.

Once the data is made available as detailed in Data Ingestion, the next step is to ensure the data has been appropriately reshaped and aligned across data sources for consumption by the machine learning pipeline (or other analysis or simulation steps).

We'll be aggregating data across several years, using small versions of the Landsat images used in the Walker Lake example. See that topic for more work on calculating the difference between the water levels over time.

In [1]:
import intake
import numpy as np
import xarray as xr

import holoviews as hv

import cartopy.crs as ccrs
import geoviews as gv

import hvplot.xarray

hv.extension('bokeh', width=80)