Results 1 to 10 of about 59,107 (312)

Formation Age and Causes of Alpine Meadow Soil in Three River Headwater Region Based on Optically Stimulated Luminescence Dating

open access: yesShuitu baochi tongbao, 2022
[Objective] The age, occurrence, and development of alpine meadow soil in the Three River headwater region were analyzed to provide guidance for maintaining soil and ecological security in the region.
Xianbaji   +5 more
doaj   +1 more source

Geochemical basis of climate change indication in the Holocene sediments of Lake Bannoe (Southern Urals, Russia)

open access: yesУчёные записки Казанского университета: Серия Естественные науки, 2021
The study aims to investigate the geochemical characteristics of lake sediments in order to identify geochemical proxies that reflect climatic changes during lacustrine sedimentation. Finding and substantiating such geochemical indicators is relevant for
A.R. Yusupova, N.G. Nourgalieva
doaj   +1 more source

Distinguishing Late Holocene Storm Deposit From Shore-normal Beach Sediments From the Gulf of Thailand

open access: yesFrontiers in Earth Science, 2021
Grain size, as one of sedimentological proxies, coupled with a detailed description of the sedimentary structures and luminescence dating were used to unveil the sediment sources and transport process of the Holocene ancient coastal storm events recorded
Stapana Kongsen   +2 more
doaj   +1 more source

The History of Formation and Anthropogenic Development of the Derkul River Floodplain (West Kazakhstan) in the Mid Holocene

open access: yesПоволжская археология, 2021
The article presents the results of soil and archaeological study of the pedo-sedimentation sequence formed in the floodplain of the Derkul River (West Kazakhstan).
Gavrilov Denis A.   +3 more
doaj   +1 more source

Centuries-old climatic trends of transformation of the Siberian stone pine forests in different forest vegetation zones of the Western Sayan Mountains [PDF]

open access: yesСибирский лесной журнал, 2021
The article highlights the results of a paleobotanical study of peat deposits in different forest zones and types of habitats in the Western Sayan, where the Siberian stone pine Pinus sibirica Du Tour is currently the dominant species.
A. D. Koshkarov   +2 more
doaj   +1 more source

Paleo Mega Lake of Rey Identification and Reconstruction of Quaternary Lake in Central Iran

open access: yesOpen Quaternary, 2021
This study presents evidence for the existence of a vast and ancient lake that occupyed a large area of central Iran during the Holocene. The northwestern fringe of the lake, located in the southeast of Tehran, was chosen as the study area.
Hadi Jarahi
doaj   +1 more source

The NERD Dataset: Near East Radiocarbon Dates between 15,000 and 1,500 cal. yr. BP

open access: yesJournal of Open Archaeology Data, 2022
To our knowledge, the dataset described in this paper represents the largest existing repository of uncalibrated radiocarbon dates for the whole Near East from the Late Pleistocene to the Late Holocene (15,000 – 1,500 cal. yr. BP).
Alessio Palmisano   +3 more
doaj   +1 more source

POLA OKUPASI GUA KIDANG, JELAJAH RUANG DAN WAKTU: SUATU HIPOTESIS

open access: yesBerkala Arkeologi, 2012
Kidang cave in the karst region Todanan, Blora, Central Java is a cave complex which consists of two caves. Archaeological findings show intensively inhabited this cave for a long time.
Indah Asikin Nurani, Agus Tri Hascaryo
doaj   +1 more source

Holocene volcanism at the Quetrupillán Volcanic Complex (39°30’ S, 71°43’ W), southern Chile

open access: yesVolcanica, 2020
This paper provides the first detailed description of Holocene volcanism at the Quetrupillán Volcanic Complex. This volcanic complex consists of a truncated and eroded stratocone plus sixteen well-preserved satellite vents on its lower flanks.
Isla Simmons   +4 more
doaj   +1 more source

Holocene underkill [PDF]

open access: yesProceedings of the National Academy of Sciences, 2008
In this issue of PNAS, Jones et al. (1) address an issue that has been with us, in one way or another, for some 200 years. Around the year 1800, French paleontologist Georges Cuvier established the reality of vertebrate extinction by using animals so large that their future discovery on the hoof was highly unlikely (2).
openaire   +2 more sources

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