Planpincieux Glacier

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Planpincieux Glacier
Grandes Jorasses south slope 2014-1.jpg
South slope of the Grandes Jorasses, with the Planpincieux Glacier on the left
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Planpincieux Glacier
Glacier's location in the Alps
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Planpincieux Glacier
Planpincieux Glacier (Northern Italy)
Type Hanging glacier, cirque glacier, [1] temperate glacier
LocationSouthern slopes of the Mont Blanc massif
Coordinates 45°51′27″N6°58′24″E / 45.85750°N 6.97333°E / 45.85750; 6.97333 Coordinates: 45°51′27″N6°58′24″E / 45.85750°N 6.97333°E / 45.85750; 6.97333 [2]
Area1.327 km2 (0.512 sq mi) [1]
Length2.45 km (1.52 mi) [1] =
Planpincieux Glacier

The Planpincieux Glacier (French : Glacier de Planpincieux, Italian : Ghiacciaio di Planpincieux) is a hanging glacier, located on the southern slopes of the Grandes Jorasses in the Mont Blanc massif of the Alps. It is located above the hamlet of Planpincieux, Val Ferret, in the Aosta Valley. The glacier has a length of 2 km (1.2 mi) and covers an area of 1.008 km2 (0.389 sq mi), and its elevation ranges from 2640 to 3680 m at a slope of 30°. [1] Thermally, it is a temperate glacier. [3]

Contents

Over the years, several ice avalanches and glacial outburst floods have occurred that posed a threat to the hamlet of Planpincieux at the bottom of the valley. [1] [4] The glacier has been closely monitored since 2013, and the registered displacement rate in the summer period reaches 2 m per day. [3]

An acceleration in the displacement rate of the glacier occurred in September 2019, and experts warned that approximately 250,000 cubic metres of ice could break away from the glacier. On 24 September 2019, the mayor of Courmayeur ordered the closure of roads and an evacuation of the population in the risk area beneath the glacier. [5] [6] The immediate danger subsided with the arrival of cooler autumn weather.

On 5 August 2020, the access roads to Val Feret were closed once again, and some 75 people were evacuated, after experts warned that some 500,000 cubic metres of the glacier could break away. [7] [8]

See also

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References

  1. 1 2 3 4 5 "Glacier "Planpincieux"". GRIDABASE, Glacier Risks Database. SMS/Nimbus. Retrieved 24 September 2019.
  2. "1" (Map). Monte Bianco - Courmayeur. 1:25,000. Carta dei sentieri (in Italian). Rimini: L'Escursionista editore. 2013.
  3. 1 2 "We monitor the Planpincieux Glacier, along the Italian side of the Grandes Jorasses, Aosta Valley". irpi.cnr.it. Retrieved 24 September 2019.
  4. Giordan, Daniele; Dematteis, Niccolò; Allasia, Paolo; Motta, Elena (2020). "Classification and kinematics of the Planpincieux Glacier break-offs using photographic time-lapse analysis". Journal of Glaciology. 66 (256): 188–202. doi: 10.1017/jog.2019.99 . S2CID   210868916.
  5. "Climate crisis: Mont Blanc glacier risks collapsing. 250,000 cubic metres of ice could break away". ANSA . 24 September 2019. Retrieved 24 September 2019.
  6. "Mont Blanc: Glacier in danger of collapse, experts warn". BBC News . 25 September 2019. Retrieved 25 September 2019.
  7. "Italian homes evacuated over risk of Mont Blanc glacier collapse". The Guardian . 6 August 2020. Retrieved 8 August 2020.
  8. "Mont Blanc: Glacier collapse risk forces Italy Alps evacuation". BBC News . 7 August 2020. Retrieved 8 August 2020.