User Guide

earthkit-hydro is designed to simplify the process of working with hydrological data, providing a range of tools for catchment delineation, river network analysis, and more. It supports various data formats and array backends, making it versatile for different applications.

At its core, earthkit-hydro is a library for conducting operations on river networks. A typical workflow involves:

1. Loading a river network

2. Performing operations on the network, such field propagation, catchment averages, distance calculations and more.

3. Saving or plotting the results

In this user guide, we provide detailed instructions for such steps.

Basics:

• Loading a river network
• Handling xarray and multiple array backends
• Raster and vector networks

Operations:

• Flow accumulations
• Specifying locations
• Catchment delineation
• Catchment statistics
• Distance and length calculations
• Streamorder
• Subnetwork creation

Misc:

• Integration with the earthkit system
• Migrating from PCRaster