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Record #112445:

Ice-wedge casts of Wisconsinan age in eastern Nebraska / William J. Wayne.

Title: Ice-wedge casts of Wisconsinan age in eastern Nebraska / William J. Wayne.
Author(s): Wayne, William J.
Date: 1991.
In: Permafrost and Periglacial Processes. (1991.), Vol. 2(3) (1991)
Abstract: Sand-filled wedge casts 25 to 30 km south of Wisconsinan glacier margin formed in thermal contraction cracks in dry windswept areas where snow cover was minimal, so that blown sand fell into cracks. Their presence suggests that windswept tundra zone of continuous permafrost, as much as 50 km wide, existed during Late Wisconsinan. Probably formed at maximum glaciation and climatic severity between 22 and 18 ka BP.
Notes:

Permafrost and Periglacial Processes. Vol. 2(3) :211-223 (1991).

Keywords: 551.34 -- Geocryology. Frozen ground.
551.345.3 -- Permafrost, composition and structure. Ice wedges.
E8 -- Glaciology: frost action and permafrost.
(78) -- Western states.
SPRI record no.: 112445

MARCXML

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100 1# ‡aWayne, William J.
245 10 ‡aIce-wedge casts of Wisconsinan age in eastern Nebraska /‡cWilliam J. Wayne.
260 ## ‡a[S.l.] :‡b[s.n.],‡c1991.
300 ## ‡ap. 211-223 :‡bill., diags., tables, maps.
500 ## ‡aPermafrost and Periglacial Processes. Vol. 2(3) :211-223 (1991).
520 3# ‡aSand-filled wedge casts 25 to 30 km south of Wisconsinan glacier margin formed in thermal contraction cracks in dry windswept areas where snow cover was minimal, so that blown sand fell into cracks. Their presence suggests that windswept tundra zone of continuous permafrost, as much as 50 km wide, existed during Late Wisconsinan. Probably formed at maximum glaciation and climatic severity between 22 and 18 ka BP.
650 07 ‡a551.34 -- Geocryology. Frozen ground.‡2udc
650 07 ‡a551.345.3 -- Permafrost, composition and structure. Ice wedges.‡2udc
650 07 ‡aE8 -- Glaciology: frost action and permafrost.‡2local
651 #7 ‡a(78) -- Western states.‡2udc
773 0# ‡7nnas ‡tPermafrost and Periglacial Processes. ‡gVol. 2(3) (1991) ‡wSPRI-102743
917 ## ‡aUnenhanced record from Muscat, imported 2019
948 3# ‡a20240228