reference : Glacier status and contribution to streamflow in the Olympic Mountains, Washington, USA

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Bibliographic fields
reftype Journal Article
Abstract The Olympic Peninsula, Washington, USA, currently holds 184 alpine glaciers larger than 0.01 km2 and their combined area is 30.2 ± 0.95 km2. Only four glaciers are >1 km2 and 120 of the others are <0.1 km2. This represents a loss of 82 glaciers and a 34% decrease in combined area since 1980, with the most pronounced losses occurring on south-facing aspects and in the more arid northeastern part of the range. Annual rate of loss in glacier area for seven of the largest glaciers accelerated from 0.26 km2 a−1 (1900–80) to 0.54 km2 a−1 (1980–2009). Thinning rates on four of the largest glaciers averaged nearly 1 ma−1 from 1987 to 2010, resulting in estimated volume losses of 17–24%. Combined glacial snow, firn and ice melt in the Hoh watershed is in the range 63–79 ± 7 × 106 m3, or 9–15% of total May–September streamflow. In the critical August–September period, the glacial fraction of total basin runoff increases to 18–30%, with one-third of the water directly from glacial ice (i.e. not snow and firn). Glaciers in the Elwha basin produce 12–15 ± 1.3 × 106 m3 (2.5–4.0%), while those in the Dungeness basin contribute 2.5–3.1 ± 0.28 × 106 m3 (3.0–3.8%).
Author Riedel, J. L.; Wilson, Steve; Baccus, William; Larrabee, Michael; Fudge, T. J.; Fountain, Andrew
DOI 10.3189/2015JoG14J138
Database Provider Cambridge University Press
EPub Date 2017/07/10
ISSN 0022-1430
Issue 225
Journal Journal of Glaciology
Keywords climate change; glacier hydrology; ice and climate; mountain glaciers
Name of Database Cambridge Core
Pages 8-16
Publisher Cambridge University Press
Title Glacier status and contribution to streamflow in the Olympic Mountains, Washington, USA
Volume 61
Year 2015
Bibliographic identifiers
_record_number 24739
_uuid f8d978b8-85d3-47ea-9a90-543650d83156