Hardangerjøkulen

Hardangerjøkulen
Smtunli, Svein-Magne Tunli - http://www.tunliweb.no/SM/English/sm_eng.htm · CC BY-SA 3.0 · source
Name	Hardangerjøkulen
Elevation m	1863
Range	Hardangervidda
Location	Vestland, Norway

Hardangerjøkulen is an ice cap and glacier plateau located on the Hardangervidda plateau in Vestland county, Norway. It is one of Norway's largest plateau glaciers and occupies a prominent position near municipal borders and protected areas. The glacier influences regional hydrology, supports alpine ecosystems, and has been a focus of scientific research, tourism, and cultural reference.

Geography and Location

Hardangerjøkulen sits on the eastern edge of the municipality of Eidfjord and near Ullensvang and Ulvik on the Hardangervidda plateau, with the glacier’s ice field draining toward valleys such as Måbødalen and the Måbøelva catchment. The massif lies within Vestland county and is adjacent to Hardangervidda National Park, with nearby transportation corridors including the European route E134 and the Norwegian National Road 7. Surrounding landmarks include the Vøringsfossen waterfall, the Sysendammen reservoir, and the Eidfjord fjord system opening toward the North Sea. The glacier’s proximity to mountain ranges such as the Hallingskarvet and plateaus like Veig situates it within a network of protected landscapes administered by the Norwegian Environment Agency and intersecting traditional districts like Hardanger.

Physical Characteristics

The ice cap reaches approximately 1863 metres above sea level at its highest point and covers roughly 73 square kilometres, making it one of Norway's largest glacial bodies after Jostedalsbreen and Svartisen. The dome-like plateau features ice domes, nunataks, and outlet glaciers feeding into valleys including Bjoreio and Eio. Substrate geology under the ice relates to the Caledonian orogeny with bedrock types similar to those exposed at Gaustatoppen and Kjerag, while geomorphological features show moraines, drumlins, and glacial cirques akin to those in Jotunheimen and Rondane. Elevation gradients produce distinct ablation and accumulation zones comparable to Folgefonna and Hardangerfjorden-proximate glaciers.

Climate and Glaciology

Hardangerjøkulen exists under a subarctic alpine climate influenced by Atlantic systems from the Norwegian Sea and orographic precipitation from the Scandinavian Mountains, producing heavy snowfall and seasonal melt cycles discussed in studies by institutions such as the Norwegian Meteorological Institute and University of Oslo. Ice dynamics include internal deformation, basal sliding, and surge-like fluctuations analogous to behaviors observed at Storbreen and Nigardsbreen; mass balance measurements relate to broader patterns documented in the Intergovernmental Panel on Climate Change reports and national glacier inventories maintained by NVE (Norwegian Water Resources and Energy Directorate). Cryoseismic activity, ice-core stratigraphy, and surface albedo changes tie into research programs at the University of Bergen and Norwegian Polar Institute, linking Hardangerjøkulen to paleoclimate reconstructions used alongside data from Greenland ice sheet studies and Antarctic research.

Human Activity and Access

Human engagement includes mountaineering, ski touring, and scientific fieldwork, with access routes from the E134 and trekking corridors connected to Trolltunga approaches and the Rallarvegen cycle route. Organized tours and guide services operate from local hubs such as Eidfjord and Odda, and accommodations range from mountain huts managed by the Norwegian Trekking Association to visitor centers near Hardangervidda National Park Center. The glacier has been used for film production involving locations linked to Oslo-based studios and international crews, and it is a site for educational programs by institutions like the University of Tromsø and NTNU. Infrastructure impacts include proximity to power installations such as Sima Hydroelectric Power Station and reservoirs influencing downstream hydrology in the Sima and Bjoreio systems.

Environmental Concerns and Conservation

Concerns center on retreat, thinning, and altered meltwater regimes driven by regional warming trends reported by the IPCC and monitored by NVE. Changes affect species and habitats protected under Norway’s conservation framework and international agreements like the Convention on Biological Diversity; nearby protected areas include Hardangervidda National Park and bird protection sites listed by BirdLife International partners. Conservation measures involve monitoring programs by the Norwegian Polar Institute, adaptive management by the Norwegian Environment Agency, and research collaborations with universities such as University of Bergen and University of Oslo. Hydropower development debates reference agencies including Statkraft and regulatory oversight by the Ministry of Climate and Environment, while tourism management engages stakeholders like the Norwegian Trekking Association and local municipalities to balance recreation and preservation.

History and Cultural Significance

The glacier and surrounding plateau feature in local oral histories of Hardanger farmers, Sami seasonal use narratives tied to reindeer grazing patterns recorded by ethnographers at University of Tromsø, and in literary and artistic works by figures associated with Edvard Munch-era landscape traditions and 19th-century travelers like John Ruskin-era guides. Historic mapping and exploration involved cartographers from Kartverket and early scientific expeditions connected to institutions such as the Geological Survey of Norway. Hardangerjøkulen has appeared in popular culture and media productions connected to filmmaking in Norway and as a setting for sporting events drawing competitors from clubs affiliated with Norges Idrettsforbund and alpine associations in Bergen and Oslo. Its glaciers have served as natural archives for climate history used by researchers collaborating with international centers such as Lamont-Doherty Earth Observatory and British Antarctic Survey.

Category:Glaciers of Vestland