Proglacial discharge measurements, Leverett Glacier, south-west Greenland (2009-2012)

• Main Author: Tedstone, Andrew
• Format: Dataset
• Language: English
• Published: Polar Data Centre; British Antarctic Survey, Natural Environment Research Council; Cambridge, CB3 0ET, UK. 2017
• Subjects: "EARTH SCIENCE","CRYOSPHERE","GLACIERS/ICE SHEETS","ABLATION ZONES/ACCUMULATION ZONES"; "EARTH SCIENCE","CRYOSPHERE","GLACIERS/ICE SHEETS","GLACIER MASS BALANCE/ICE SHEET MASS BALANCE"; "EARTH SCIENCE", "TERRESTRIAL HYDROSPHERE", "GLACIERS/ICE SHEETS", "ABLATION ZONES/ACCUMULATION ZONES"; "EARTH SCIENCE", "TERRESTRIAL HYDROSPHERE", "GLACIERS/ICE SHEETS", "GLACIER MASS BALANCE/ICE SHEET MASS BALANCE"; "EARTH SCIENCE", "TERRESTRIAL HYDROSPHERE", "SURFACE WATER", "SURFACE WATER PROCESSES/MEASUREMENTS", "DISCHARGE/FLOW"; "EARTH SCIENCE", "TERRESTRIAL HYDROSPHERE", "SURFACE WATER", "SURFACE WATER CHEMISTRY"; Greenland; Leverett Glacier; glacier; Ice Sheet
• Online Access: https://dx.doi.org/10.5285/17c400f1-ed6d-4d5a-a51f-aad9ee61ce3d; https://data.bas.ac.uk/full-record.php?id=GB/NERC/BAS/PDC/00840

Measurements of water discharge, suspended sediment concentration and electrical conductivity during the melt seasons of 2009, 2010, 2011 and 2012 in the proglacial river draining from the tongue of Leverett Glacier, a land-terminating glacier in the south-west of the Greenland Ice Sheet. The measurements were made in a stable bedrock section approximately 2 km downstream from the glacier terminus. Data loggers recorded measurements every 15 minutes from approximately May to August each year. Water depth (stage) was converted to discharge (Q) using season-specific ratings curves derived from repeat dye-dilution injections undertaken across the stage values. Suspended sediment concentration (SSC) was obtained by calibrating turbidity sensor readings with sediment samples taken in-situ and then filtered, dried and weighed. Electrical conductivity (EC) was recorded using a water conductivity probe; the data were filtered for bad values and corrected for temperature, but no smoothing was applied. These version 2 files are presented as CSV lists, with some summary metadata included as comments at the start of each file; they essentially contain the same data as the previous version files.