In 2022, the hydrochemistry of surface water was monitored at Helgoland Roads station on every workday, typically before 9 a.m. Temperature was measured on board immediately after sampling. Visibility was measured immediately on board using a Secchi Disk. Salinity, dissolved inorganic nutrients, pH and oxygen were measured from a bucket sample in the laboratory. Further information regarding the methodology and the devices used can be found in the metadata description.
Glacier outlines of Hallstätter Glacier in the Dachstein Massif, Austria, are periodically mapped as part of the respective glacier mass balance monitoring program. Outlines are provided in shapefile format and were mapped based on the available DEMs, historical images, orthophotos or satellite images. Glacier area has decreased from 5.3 km2 in 1856 to 2.4 km2 in 2023. Detailed Information is given in Helfricht (2009), Kara (2020) and Bertolotti et al. (in prep.) and in the associated readme files. New outlines will be added as they become available.
In 2021, the hydrochemistry of surface water was monitored at Helgoland Roads station on every workday, typically before 9 a.m. Temperature was measured on board immediately after sampling. Visibility was measured immediately on board using a Secchi Disk. Salinity, dissolved inorganic nutrients, pH and oxygen were measured from a bucket sample in the laboratory. Further information regarding the methodology and the devices used can be found in the metadata description.
In 2024, the hydrochemistry of surface water was monitored at Helgoland Roads station on every workday, typically before 9 a.m. Temperature was measured on board immediately after sampling. Visibility was measured immediately on board using a Secchi Disk. Salinity, dissolved inorganic nutrients, pH and oxygen were measured from a bucket sample in the laboratory. Further information regarding the methodology and the devices used can be found in the metadata description.
In 2023, the hydrochemistry of surface water was monitored at Helgoland Roads station on every workday, typically before 9 a.m. Temperature was measured on board immediately after sampling. Visibility was measured immediately on board using a Secchi Disk. Salinity, dissolved inorganic nutrients, pH and oxygen were measured from a bucket sample in the laboratory. Further information regarding the methodology and the devices used can be found in the metadata description.
Annual and winter glacier mass balance maps (fixed date system) for Hallstätter Glacier in the Dachstein Massif, Austria, is provided in shapefile format. The shapes contain contour lines delineating areas of equal mass balance as well as elevation zones. Spatially integrated mass balance is derived from point measurements at snow pits and ablation stakes by interpolating between measurement points and extrapolating to unmeasured regions of the glacier. Detailed Information is given in Helfricht (2009) and Bertolotti et al. (in prep.) and in the associated readme files. New data will be added each year. This is complementary information to the data provided by Fischer et al., 2016.
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