The Northern Caves & Karst Hydrology Database (NoCKHD) is an initiative aimed at bringing together the fragmented water-tracing data covering the karst areas of the North of England.
See sinks & resurgences and visualise trace connections.
See a full list of all traces, sort by type etc..
Find by region, people, tracing type or reference.
Download a CSV of all trace data
Contribute your own trace data or improve existing data.
How the project works and how to get in touch.
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