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Record #199279:

Eis unter der Lupe: wissenschaftlicher Blick ins Herz der Eisfälle / M. Montagnat, J. Weiss, F. Damilano.

Title: Eis unter der Lupe: wissenschaftlicher Blick ins Herz der Eisfälle / M. Montagnat, J. Weiss, F. Damilano.
Translated title: Ice under the magnifier: a scientific look into the heart of frozen waterfalls.
Author(s): Montagnat, M.
Weiss, J.
Damilano, F.
Date: 2012.
Language: German.
In: Alpen : Zeitschrift des Schweizer Alpen-Clubs. (2012.), Vol. 1 (2012)
Abstract: Describes four-year study of "free-standing" frozen waterfalls (anchored at top and bottom, but otherwise free of contact with rock) at three high-altitude sites in French and Italian Alps. Reviews ice-fall formation studies. Discusses observations of growth, pressure and temperature, photo sequence spanning rupture, and grain structure. Associates horizontal fractures at level of upper anchorage with tensile stress due to rapid temperature variations in structure unable to change volume freely. Estimates that cooling of 6-8°C/hr could allow ice-axe blow, e.g., to trigger collapse. Danger lessens for column fixed to rock along entire height ("cigar"), and "stalactite" structures free to change volume. Considers rapid variations around 0°C no more critical than those in colder conditions.
Notes:

Alpen : Zeitschrift des Schweizer Alpen-Clubs. Vol. 1 :28-32 (2012).

Also available in French online at www.sac-cas.ch.

Keywords: 551.32 -- Glaciology.
551.324.298 -- Ice stalagmites and icicles.
551.322 -- Ice and snow.
53 -- Physics.
539.3 -- Ice, mechanical properties.
539.42 -- Ice, tensile strength.
539.56 -- Ice, fragility and brittleness.
536 -- Heat.
536.2 -- Heat, transmission.
796.52 -- Mountaineering.
614.80 -- Accidents and safety precautions.
E5 -- Glaciology: land ice.
SPRI record no.: 199279

MARCXML

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041 0# ‡ager
100 1# ‡aMontagnat, M.
242 10 ‡aIce under the magnifier :‡ba scientific look into the heart of frozen waterfalls.‡yeng
245 10 ‡aEis unter der Lupe :‡bwissenschaftlicher Blick ins Herz der Eisfälle /‡cM. Montagnat, J. Weiss, F. Damilano.
260 ## ‡a[S.l.] :‡b[s.n.],‡c2012.
300 ## ‡ap. 28-32 :‡bill., diags.
500 ## ‡aAlpen : Zeitschrift des Schweizer Alpen-Clubs. Vol. 1 :28-32 (2012).
500 ## ‡aAlso available in French online at www.sac-cas.ch.
520 3# ‡aDescribes four-year study of "free-standing" frozen waterfalls (anchored at top and bottom, but otherwise free of contact with rock) at three high-altitude sites in French and Italian Alps. Reviews ice-fall formation studies. Discusses observations of growth, pressure and temperature, photo sequence spanning rupture, and grain structure. Associates horizontal fractures at level of upper anchorage with tensile stress due to rapid temperature variations in structure unable to change volume freely. Estimates that cooling of 6-8°C/hr could allow ice-axe blow, e.g., to trigger collapse. Danger lessens for column fixed to rock along entire height ("cigar"), and "stalactite" structures free to change volume. Considers rapid variations around 0°C no more critical than those in colder conditions.
546 ## ‡aIn German.
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.324.298 -- Ice stalagmites and icicles.‡2udc
650 07 ‡a551.322 -- Ice and snow.‡2udc
650 07 ‡a53 -- Physics.‡2udc
650 07 ‡a539.3 -- Ice, mechanical properties.‡2udc
650 07 ‡a539.42 -- Ice, tensile strength.‡2udc
650 07 ‡a539.56 -- Ice, fragility and brittleness.‡2udc
650 07 ‡a536 -- Heat.‡2udc
650 07 ‡a536.2 -- Heat, transmission.‡2udc
650 07 ‡a796.52 -- Mountaineering.‡2udc
650 07 ‡a614.80 -- Accidents and safety precautions.‡2udc
650 07 ‡aE5 -- Glaciology: land ice.‡2local
700 1# ‡aWeiss, J.
700 1# ‡aDamilano, F.
773 0# ‡7nnas ‡tAlpen : Zeitschrift des Schweizer Alpen-Clubs. ‡gVol. 1 (2012) ‡wSPRI-215015
916 ## ‡a2012/04/10 -- RF
917 ## ‡aUnenhanced record from Muscat, imported 2019
948 3# ‡a20220928 ‡bRF