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Burnmoor Tarn - United Kingdom
Burnmoor Tarn - United Kingdom
Country (Site Location):
LTER Member Network:
United Kingdom (ECN)
Contact: Site Manager:
General Site Description:
UK Upland Waters Monitoring Network (UK UWMN) site. Some data are managed by UK ECN Data Centre. Site description here: http://awmn.defra.gov.uk/sites/site_11.php. Note: The area is the size of the catchment.
General Characteristics, Purpose, History
Year Site Established:
Purpose of Site :
Originally part of a network monitoring the quality of acid waters in the UK. Now the purpose is to track changes in surface water quality and freshwater biodiversity across all upland regions of the UK, not only those sensitive to acid deposition. The aim is to monitor the separate and combined impacts of all principal pressures facing upland waters, including acid deposition, nutrient-N deposition, climate change, toxic substance contamination and land-use change.
Ecosystem and Enviromental Characteristics
Elevation Range FROM:
Elevation Range TO:
Elevation - Average:
Temperature: Average Annual:
Precipitation Annual :
Fresh Water Lakes
Fresh water lakes
The bedrock is Ordovician andesite lava of the Borrowdale Volcanic series, to the south and east it is granite.
Burnmoor Tarn is the largest tarn in the English Lake District. It occupies 23.9 ha and lies at an altitude of 253 m in a moraine hollow on the uplands between Wastwater and Eskdale. The lake has two distinct basins close to the south-eastern shore and a maximum depth of 13 m. There are four main inflow streams to the north and north-west. The outflow at the eastern end joins the Hardrigg Beck which drains the slopes of Scafell and, in times of especially high flow, is partly diverted into the lake across a braided delta.
Mainly rough Agrostis-Festuca and Nardus grassland with Pteridium, Vaccinium, Calluna, and Sphagnum and is utilised for rough grazing by sheep and hill cattle.
There are thick till deposits in the catchment, notably on the southern side of the lake and the catchment soils are characterised by podsols and shallow peat rankers.
UK Upland Waters Monitoring Network
EA WFD Lake Surveillance Network
Site Type (Spatial Design):
Short name :
LTER Site Classification/Category:
LTER Declaration Status requested by site holder:
Potential LTER facility
Protection Status and Resource Management
Management of Resources :
Management of Resources - Percent of Site:
75 - 100%
Management of Resources - Notes:
Sheep grazing in the catchment
Remote location. Access (by foot) may be difficult in the winter. Accommodation in nearby villages.
Accessible All Year :
All parts of Site Accessible:
Permanent Power Supply:
Chemistry sampled monthly. Biological measurements made annually
Every 30 days
Data Storage Location :
Distributed over multiple institutions
Number of data storage locations :
Data Request Format :
Offline (Mail or Telephone)