Runoff and basic water quality parameters at Adventdalen, Svalbard (2015-2016)

• Main Authors: Nowak, Aga, Randall, Jamie
• Format: Dataset
• Language: English
• Published: UK Polar Data Centre, Natural Environment Research Council, UK Research & Innovation 2019
• Subjects: "EARTH SCIENCE","CRYOSPHERE","FROZEN GROUND","PERMAFROST"; "EARTH SCIENCE","CRYOSPHERE","SNOW/ICE","PERMAFROST"; "EARTH SCIENCE","TERRESTRIAL HYDROSPHERE","SNOW/ICE","PERMAFROST"; "EARTH SCIENCE","TERRESTRIAL HYDROSPHERE","SURFACE WATER","SURFACE WATER PROCESSES/MEASUREMENTS","RUNOFF"; "EARTH SCIENCE","TERRESTRIAL HYDROSPHERE","SURFACE WATER","SURFACE WATER CHEMISTRY"; "EARTH SCIENCE","TERRESTRIAL HYDROSPHERE","WATER QUALITY/WATER CHEMISTRY","WATER CHARACTERISTICS","CONDUCTIVITY"; "EARTH SCIENCE","TERRESTRIAL HYDROSPHERE","WATER QUALITY/WATER CHEMISTRY","WATER CHARACTERISTICS","WATER TEMPERATURE"; Arctic runoff; Svalbard; HBV model; Adventdalen; Arctic; De Geerdalen; Nash; Sutcliffe; Ice; permafrost; Spitsbergen
• Online Access: https://dx.doi.org/10.5285/902fc4d8-db74-46c9-b7eb-c988f5325903; https://data.bas.ac.uk/full-record.php?id=GB/NERC/BAS/PDC/01139

Adventdalen is a medium-sized (513 km2) catchment in continuous permafrost zone of central Spitsbergen. It is an important study area, but the river is highly unsuitable for monitoring runoff on account of the high sediment yield and extremely unstable channel sections in the large delta. This necessitates the estimation of runoff volume through the application of a suitable model. Daily runoff was therefore simulated using daily precipitation and temperature data series (1991-2016) and the HBV model. Daily water temperature and electrical conductivity were also monitored at the point of interest to provide basic water quality parameters alongside the runoff quantity data. : The calibration of De Geerdalen resulted in a Reff = 0.8454(Nash-Sutcliffe efficiency equation) with a mean difference between the observed and simulated discharge of -17 mm/year. The results of the De Geerdalen GAP optimisation can be found in Table 3. Note: there is more uncertainty over the winter rainfall events, whose impact were very marked in 2016. Therefore runoff data are included as two series, one with and one without runoff during the winter season.