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NoCKHD
Northern
Caves & Karst
Hydrology Database
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Northern Caves area
Alston
Alum Pot
Barbondale
Birkwith
Brough
Bruntscar
Chapel-le-Dale
Cosh and Foxup
Coverdale and Bishopdale
Darnbrook and Cowside
Dentdale and Garsdale
Ease Gill
East Kingsdale
Fountains Fell
Gaping Gill
Grassington
Great Knoutberry Hill
Great Whernside
Ingleborough
Langstrothdale
Leck Fell
Lower Littondale
Malham
Mallerstang
Marble Steps
Moughton
Newby Moss
Nidderdale
Park Fell
Penyghent
Penyghent Gill
Ribblehead
Scales Moor
Stump Cross
Swaledale and Arkengarthdale
The Allotment
Upper Littondale
Upper Wharfedale
Vale of Eden
Weardale
West Kingsdale
Wensleydale
Wharfedale
White Scar
Wild Boar Fell
Detection Method
Activated Charcoal
Cotton Wool
UV
Excess of Chlorine
Nesslers Reagent
Nets
No published details
Not detected
Silver nitrate and Pottasium chromate
Visual
Tracer
Ammonium Sulphate
Artificial flood pulse
Diffuse application of Herbicide
Dye
Fluorescein
Leucophor
Lycopodium spores
Mine tailings
Muddy Water
No published details
OBA
Pyranine
Rhodamine
Sodium chloride
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