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Record #119739:
- #119739
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MARC recordPresent-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 |
LDR 01408naa#a2200000#a#4500 001 SPRI-119739 005 20230609125100.0 007 ta 008 230609s1992####xx#ab#|##|###|0||#0|eng#d 035 ## ‡aSPRI-119739 040 ## ‡aUkCU-P‡beng‡eaacr 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 948 3# ‡a20230609