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Long-Term Mobility of Gravel in Rivers: Remapping the Allt Dubhaig Tracer Pebbles

Publisher
British Geological Survey (BGS)
Updated
25 September 2026
Topic
Not set
Licence
Not set

Summary

PROJECT DETAILS ONLY - NO DATA. The long term mobility of different sized pebbles under different hydraulic conditions will be investigated by re-mapping 1220 magnetically tagged pebbles which have been dispersing since 1991 from 6 points in a Scottish river. Travel distances and burial depths of recovered tracers will be analysed in relation to pebble size, local bed grain size, and local mean shear stress. The travel distance results will show whether shorter term relationships (including one from a 1991-3 study of these tracers) apply over the longer term or are distorted by deep burial and bar storage. The data will also give insight into long term mixing depths (about which assumptions must be made in numerical models), shape sorting, and abrasion rates.

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BGS Homepage – 25/9/2026

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Additional information

Source Metadata
XML, HTML
Date added
25 September 2026
Harvest GUID
9df8df52-d740-37a8-e044-0003ba9b0d98
Extent (Latitude)
56.6228° to 56.3614°
Extent (Longitude)
1.7240° to 1.9944°
Dataset reference date (creation)
1999-08-01
Frequency of update
notApplicable
Access constraints
The copyright of materials derived from the British Geological Survey's work is vested in the Natural Environment Research Council [NERC]. No part of this work may be reproduced or transmitted in any form or by any means, or stored in a retrieval system of any nature, without the prior permission of the copyright holder, via the BGS Intellectual Property Rights Manager. Use by customers of information provided by the BGS, is at the customer's own risk. In view of the disparate sources of information at BGS's disposal, including such material donated to BGS, that BGS accepts in good faith as being accurate, the Natural Environment Research Council (NERC) gives no warranty, expressed or implied, as to the quality or accuracy of the information supplied, or to the information's suitability for any use. NERC/BGS accepts no liability whatever in respect of loss, damage, injury or other occurence however caused.
Responsible party
University of Durham (principalInvestigator); British Geological Survey (distributor, pointOfContact)
ISO 19139 resource type
dataset
Metadata language
eng

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