Matches in SemOpenAlex for { <https://semopenalex.org/work/W2026012968> ?p ?o ?g. }
Showing items 1 to 71 of
71
with 100 items per page.
- W2026012968 abstract "The lower and especially middle slopes of many of the rolling hills of the Yukon-Tanana Upland are blanketed with 3 to 20 m of olive gray, airfall, massive loess which is dissected by parallel gullies 10--15 m deep and 100--200 m long that trend downslope. The gullies and ridges occur over hundreds of square kilometers. It is believed the eroded and gullied loess topography originated during the last interglacial of 125 ka. The climatic warming led to: (1) melting of the ground ice in permafrost and thermokarst activity, and (2) to greatly reduced loess deposition. The author believes that most of the water to initiate loess cutting came from the melting of the great amount of ground ice in the permafrost. The last interglacial time was warm enough to melt the ground ice and initiate catastrophic thermokarst activity in easily erodible loess on hillsides. If the gullying had been in Holocene time, the ridges and gullies would be more sharp sided and the ridges relatively flat-topped, as is characteristic of trenched loess, even after centuries. On the other hand, gullies and ridges formed early during the Eva Interglacial would tend to be subdued by creep and solifluction during the 100,000more » year Wisconsin cold interval. Such is illustrated by the downbending of loess and tephra on the sides of loess ridges. If the loess ridges were formed in Holocene time, they would include horizontal loess deposits of Wisconsin and perhaps early Holocene times inasmuch as they would be covering a nongullied topography. Examination reveals that there are no Wisconsin and Holocene loess deposits on the steep side slopes of the uppermost part of the ridges and other erosional remnants. The Subarctic Brown Forest soil is interglacial and, started to form anywhere from 10,000 to 8,000 years ago. The soil profile developed on the pre-soil ridge topography; therefore, the time of ridge and gully formation is pre-10,000 years.« less" @default.
- W2026012968 created "2016-06-24" @default.
- W2026012968 creator A5022815023 @default.
- W2026012968 date "1992-01-01" @default.
- W2026012968 modified "2023-09-23" @default.
- W2026012968 title "Origin and age of erosional gullies and ridges in loess of central Alaska--Evidence of ancient global warming" @default.
- W2026012968 hasPublicationYear "1992" @default.
- W2026012968 type Work @default.
- W2026012968 sameAs 2026012968 @default.
- W2026012968 citedByCount "0" @default.
- W2026012968 crossrefType "journal-article" @default.
- W2026012968 hasAuthorship W2026012968A5022815023 @default.
- W2026012968 hasConcept C100970517 @default.
- W2026012968 hasConcept C111368507 @default.
- W2026012968 hasConcept C114793014 @default.
- W2026012968 hasConcept C120806208 @default.
- W2026012968 hasConcept C127313418 @default.
- W2026012968 hasConcept C140345934 @default.
- W2026012968 hasConcept C15098985 @default.
- W2026012968 hasConcept C151730666 @default.
- W2026012968 hasConcept C15739521 @default.
- W2026012968 hasConcept C17409809 @default.
- W2026012968 hasConcept C185515318 @default.
- W2026012968 hasConcept C186240526 @default.
- W2026012968 hasConcept C205649164 @default.
- W2026012968 hasConcept C2780155556 @default.
- W2026012968 hasConcept C87457978 @default.
- W2026012968 hasConcept C94279707 @default.
- W2026012968 hasConceptScore W2026012968C100970517 @default.
- W2026012968 hasConceptScore W2026012968C111368507 @default.
- W2026012968 hasConceptScore W2026012968C114793014 @default.
- W2026012968 hasConceptScore W2026012968C120806208 @default.
- W2026012968 hasConceptScore W2026012968C127313418 @default.
- W2026012968 hasConceptScore W2026012968C140345934 @default.
- W2026012968 hasConceptScore W2026012968C15098985 @default.
- W2026012968 hasConceptScore W2026012968C151730666 @default.
- W2026012968 hasConceptScore W2026012968C15739521 @default.
- W2026012968 hasConceptScore W2026012968C17409809 @default.
- W2026012968 hasConceptScore W2026012968C185515318 @default.
- W2026012968 hasConceptScore W2026012968C186240526 @default.
- W2026012968 hasConceptScore W2026012968C205649164 @default.
- W2026012968 hasConceptScore W2026012968C2780155556 @default.
- W2026012968 hasConceptScore W2026012968C87457978 @default.
- W2026012968 hasConceptScore W2026012968C94279707 @default.
- W2026012968 hasLocation W20260129681 @default.
- W2026012968 hasOpenAccess W2026012968 @default.
- W2026012968 hasPrimaryLocation W20260129681 @default.
- W2026012968 hasRelatedWork W1610082090 @default.
- W2026012968 hasRelatedWork W1977255256 @default.
- W2026012968 hasRelatedWork W2020760137 @default.
- W2026012968 hasRelatedWork W2082388444 @default.
- W2026012968 hasRelatedWork W2082530414 @default.
- W2026012968 hasRelatedWork W2121115493 @default.
- W2026012968 hasRelatedWork W2128978808 @default.
- W2026012968 hasRelatedWork W2164116591 @default.
- W2026012968 hasRelatedWork W2323592074 @default.
- W2026012968 hasRelatedWork W2382117151 @default.
- W2026012968 hasRelatedWork W2385561463 @default.
- W2026012968 hasRelatedWork W2596022657 @default.
- W2026012968 hasRelatedWork W2790650080 @default.
- W2026012968 hasRelatedWork W2811532942 @default.
- W2026012968 hasRelatedWork W2883262997 @default.
- W2026012968 hasRelatedWork W2901886794 @default.
- W2026012968 hasRelatedWork W3136404332 @default.
- W2026012968 hasRelatedWork W3195588310 @default.
- W2026012968 hasRelatedWork W582921941 @default.
- W2026012968 hasRelatedWork W96802071 @default.
- W2026012968 isParatext "false" @default.
- W2026012968 isRetracted "false" @default.
- W2026012968 magId "2026012968" @default.
- W2026012968 workType "article" @default.