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Record #119739:

Present-day periglacial microforms in the Lesotho Highlands: implications for present and past climatic conditions / Patricia M. Hanvey, Margaret E. Marker.

Title: Present-day periglacial microforms in the Lesotho Highlands: implications for present and past climatic conditions / Patricia M. Hanvey, Margaret E. Marker.
Author(s): Hanvey, Patricia M.
Marker, Margaret E.
Date: 1992.
In: Permafrost and Periglacial Processes. (1992.), Vol. 3(4) (1992)
Abstract: Thufa, terracettes, stone polygons and patterned ground have been identified near Tlaeeng Pass (3275 m a.s.l.). Ground ice is evident in winter, also pebbles perched on needle ice up to 5 cm in length. Largely attributed to diurnal freeze--thaw cycles from late autumn to early spring. More extensive periglacial activity probably occurred in past, but past moisture regimes are difficult to project.
Notes:

Permafrost and Periglacial Processes. Vol. 3(4) :353-361 (1992).

Keywords: 551.34 -- Geocryology. Frozen ground.
551.343 -- Periglacial processes. Thermokarst.
551.583.3 -- Climatic changes, Quaternary.
E8 -- Glaciology: frost action and permafrost.
(68) -- States and territories of southern Africa.
SPRI record no.: 119739

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100 1# ‡aHanvey, Patricia M.
245 10 ‡aPresent-day periglacial microforms in the Lesotho Highlands :‡bimplications for present and past climatic conditions /‡cPatricia M. Hanvey, Margaret E. Marker.
260 ## ‡a[S.l.] :‡b[s.n.],‡c1992.
300 ## ‡ap. 353-361 :‡bill., table, map.
500 ## ‡aPermafrost and Periglacial Processes. Vol. 3(4) :353-361 (1992).
520 3# ‡aThufa, terracettes, stone polygons and patterned ground have been identified near Tlaeeng Pass (3275 m a.s.l.). Ground ice is evident in winter, also pebbles perched on needle ice up to 5 cm in length. Largely attributed to diurnal freeze--thaw cycles from late autumn to early spring. More extensive periglacial activity probably occurred in past, but past moisture regimes are difficult to project.
650 07 ‡a551.34 -- Geocryology. Frozen ground.‡2udc
650 07 ‡a551.343 -- Periglacial processes. Thermokarst.‡2udc
650 07 ‡a551.583.3 -- Climatic changes, Quaternary.‡2udc
650 07 ‡aE8 -- Glaciology: frost action and permafrost.‡2local
651 #7 ‡a(68) -- States and territories of southern Africa.‡2udc
700 1# ‡aMarker, Margaret E.
773 0# ‡7nnas ‡tPermafrost and Periglacial Processes. ‡gVol. 3(4) (1992) ‡wSPRI-102743
917 ## ‡aUnenhanced record from Muscat, imported 2019
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