Evolution of the Norwegian plateau icefield Hardangerjøkulen since the ‘Little Ice Age’/ (Record no. 12872)

MARC details
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control field OSt
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20220822194458.0
007 - PHYSICAL DESCRIPTION FIXED FIELD--GENERAL INFORMATION
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100 ## - MAIN ENTRY--PERSONAL NAME
Personal name Weber, Paul
9 (RLIN) 52287
245 ## - TITLE STATEMENT
Title Evolution of the Norwegian plateau icefield Hardangerjøkulen since the ‘Little Ice Age’/
260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT)
Name of publisher, distributor, etc sage
Date of publication, distribution, etc 2019
300 ## - PHYSICAL DESCRIPTION
Extent Vol 29, Issue 12, 2019 : (1885-1905 p.).
520 ## - SUMMARY, ETC.
Summary, etc The maximum ‘Little Ice Age’ (LIA) glacier extent provides a significant baseline to assess long-term glacier change and to place currently observed rates of glacier recession in a broader temporal context. To that end, we examine the evolution of the plateau icefield Hardangerjøkulen since the LIA. First, we reconstruct Hardangerjøkulen’s maximum LIA extent (~AD 1750) and subsequent recession based on the glacial landform record and aided by historical map interpretation. Ice-marginal moraines, glacial drift limits, trimlines, and identifiable erosion and weathering boundaries provide evidence of a LIA icefield with an area of 110 km2. Existing LIA model simulations of Hardangerjøkulen are not yet fully able to reproduce our reconstructed extent. Second, we compile a set of remotely sensed icefield outlines from successive time points in the 20th and 21st century to calculate icefield area and length change since the LIA. This reveals a substantial reduction in icefield size, with a total area loss of 41 km2 (37%; 2% 10 a–1) by 2010 and a cumulative frontal retreat averaging 1.3 km (29%; 5 m a–1) by 2013. Icefield recession has been greatest since the end of the 20th century, when rates of areal shrinkage increased to 6.5–10% 10 a–1 in 1995–2010, and the rate of average terminus retreat accelerated to 17 m a–1 in 2003–2010. Third, we present a relative dating approach, based on the known age of the different icefield outlines, that allows bracketing ages to be assigned to all ice-marginal landforms between any two outlines. This approach shows that episodes of moraine formation vary temporally between individual outlet glaciers of Hardangerjøkulen, suggesting that the moraine record of a single outlet glacier alone may not be sufficient to derive an icefield-wide picture of past ice advances, and thereby climate fluctuations.
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element glacier change,
9 (RLIN) 52288
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element glacier reconstruction,
9 (RLIN) 52289
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Hardangerjøkulen,
9 (RLIN) 52290
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element ‘Little Ice Age’ (LIA),
9 (RLIN) 51574
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Norway,
9 (RLIN) 52291
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element plateau icefield
9 (RLIN) 52292
700 ## - ADDED ENTRY--PERSONAL NAME
Personal name Boston, Clare M
9 (RLIN) 52293
700 ## - ADDED ENTRY--PERSONAL NAME
Personal name Lovell, Harold
9 (RLIN) 52294
773 0# - HOST ITEM ENTRY
Host Biblionumber 12756
Host Itemnumber 16504
Place, publisher, and date of publication London: Sage Publication Ltd, 2019.
Title Holocene/
International Standard Serial Number 09596836
856 ## - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier https://doi.org/10.1177/0959683619865601
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Source of classification or shelving scheme Dewey Decimal Classification
Koha item type Articles

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