Drangajökull Glacier
Vestfirðir
Drangajökull Glacier, covering approximately 150 to 200 square kilometers, is the northernmost glacier in Iceland, situated in the southern foothills of the Hornstrandir peninsula within the Westfjords region. Unlike other Icelandic glaciers, it is entirely below 1,000 meters in elevation, with its highest peak, Jökulbunga, reaching 925 meters. The glacier has a unique maritime climate influence, characterized by cool summers and heavy winter snowfall, which sustains its low equilibrium line elevation around 550–600 meters. Historical sediment studies reveal that Drangajökull has persisted through the Holocene epoch, maintaining a near-present extent for thousands of years, unlike other major Icelandic ice caps that shrank during the Holocene Thermal Maximum. Modern LiDAR surveys have detected a volume loss of about 1.19 cubic kilometers of ice since 1990, averaging an 8-meter thinning, although its surge-type outlet glaciers periodically advance, showing complex ice dynamics. Notable outlet glaciers include Kaldalónsjökull, Leirufjarðarjökull, and Bjarnarfjarðarjökull. The glacier's survival and behavior emphasize the dominant role of winter precipitation in sustaining Arctic maritime glaciers.
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Astuce: Visitors should plan trips during the milder summer months when access is safer and weather conditions are more favorable. Due to its remote location in the Westfjords, travel arrangements should be made in advance, and guided tours are recommended to navigate the challenging terrain safely. Booking excursions early can help secure availability, especially during peak season. Visitors should prepare for rapidly changing weather and bring appropriate gear for glacier exploration.
Faits intéressants
- •Drangajökull is the only Icelandic glacier entirely below 1,000 meters elevation.
- •It has persisted through the Holocene Thermal Maximum, unlike larger Icelandic glaciers Vatnajökull and Langjökull.
- •Modern LiDAR surveys show the glacier lost about 1.19 cubic kilometers of ice since 1990.
- •The glacier exhibits surge-type behavior, with outlet glaciers periodically advancing while the source area thins.
- •Its name derives from Drangaskörð, seven rocky peaks extending into the sea from Drangafjall.
Histoire
Drangajökull has persisted as an ice mass throughout the Holocene, surviving periods when other Icelandic glaciers shrank significantly.
Sediment core analysis from surrounding lakes indicates that the glacier maintained a larger extent well into the mid-Holocene, retreating to near-modern limits between about 9,500 and 7,200 years ago.
Its maritime setting with high winter snowfall has helped sustain it through climatic fluctuations.
Since around 1990, modern monitoring using LiDAR has documented a gradual thinning of the glacier's ice volume, although its surge-type outlet glaciers exhibit periodic advances, reflecting dynamic ice flow processes.
Guide du lieu
Jökulbunga Peak
The highest point of Drangajökull Glacier at 925 meters, offering panoramic views of the glacier and surrounding Westfjords landscape.
Surge-type Outlet Glaciers
Notable outlet glaciers such as Kaldalónsjökull and Leirufjarðarjökull exhibit surge behavior, periodically advancing several meters while their source areas thin, showcasing dynamic ice flow.
