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Holocene sediment-accumulation rates in the western Loess Plateau, China, and a 2500-year record of agricultural activity, revealed by OSL dating

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Holocene sediment-accumulation rates in the western Loess Plateau, China, and a 2500-year record of agricultural activity, revealed by OSL dating. / Roberts, Helen; Wintle, Ann; Maher, Barbara; Hu, Menghu.

In: Holocene, Vol. 11, No. 4, 05.2001, p. 477-483.

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@article{e942a87a33c54335ac3c36c037722977,
title = "Holocene sediment-accumulation rates in the western Loess Plateau, China, and a 2500-year record of agricultural activity, revealed by OSL dating",
abstract = "High-resolution optically stimulated luminescence (OSL) dating of a terraced loess section in the western margins of the Chinese Loess Plateau provides evidence of continuous and varying accumulation of dust throughout the Holocene. From 12030 to 2500 years ago, the sediment-accumulation rate was approxi mately 0.2 mm/year. After this time, it increased to approximately 0.8 mm/year, during a historically docu mented period of agricultural expansion in adjacent areas. From 680 years ago, a further increase in accumu lation rate, to approximately 3.4 mm/year, is evident. Particle-size analysis indicates that this increase in accumulation rate was associated with anthropogenic addition of sandy sediment, probably for soil improve ment. The OSL dating also identifies the period when the terrace was first cut for agricultural use, between 2500 and 2070 years ago. ",
keywords = "Loess Plateau , OSL dating , loess , China , accumulation rates , agriculture , late Holocene",
author = "Helen Roberts and Ann Wintle and Barbara Maher and Menghu Hu",
year = "2001",
month = may,
doi = "10.1191/095968301678302913",
language = "English",
volume = "11",
pages = "477--483",
journal = "Holocene",
issn = "0959-6836",
publisher = "SAGE Publications Ltd",
number = "4",

}

RIS

TY - JOUR

T1 - Holocene sediment-accumulation rates in the western Loess Plateau, China, and a 2500-year record of agricultural activity, revealed by OSL dating

AU - Roberts, Helen

AU - Wintle, Ann

AU - Maher, Barbara

AU - Hu, Menghu

PY - 2001/5

Y1 - 2001/5

N2 - High-resolution optically stimulated luminescence (OSL) dating of a terraced loess section in the western margins of the Chinese Loess Plateau provides evidence of continuous and varying accumulation of dust throughout the Holocene. From 12030 to 2500 years ago, the sediment-accumulation rate was approxi mately 0.2 mm/year. After this time, it increased to approximately 0.8 mm/year, during a historically docu mented period of agricultural expansion in adjacent areas. From 680 years ago, a further increase in accumu lation rate, to approximately 3.4 mm/year, is evident. Particle-size analysis indicates that this increase in accumulation rate was associated with anthropogenic addition of sandy sediment, probably for soil improve ment. The OSL dating also identifies the period when the terrace was first cut for agricultural use, between 2500 and 2070 years ago.

AB - High-resolution optically stimulated luminescence (OSL) dating of a terraced loess section in the western margins of the Chinese Loess Plateau provides evidence of continuous and varying accumulation of dust throughout the Holocene. From 12030 to 2500 years ago, the sediment-accumulation rate was approxi mately 0.2 mm/year. After this time, it increased to approximately 0.8 mm/year, during a historically docu mented period of agricultural expansion in adjacent areas. From 680 years ago, a further increase in accumu lation rate, to approximately 3.4 mm/year, is evident. Particle-size analysis indicates that this increase in accumulation rate was associated with anthropogenic addition of sandy sediment, probably for soil improve ment. The OSL dating also identifies the period when the terrace was first cut for agricultural use, between 2500 and 2070 years ago.

KW - Loess Plateau

KW - OSL dating

KW - loess

KW - China

KW - accumulation rates

KW - agriculture

KW - late Holocene

U2 - 10.1191/095968301678302913

DO - 10.1191/095968301678302913

M3 - Journal article

VL - 11

SP - 477

EP - 483

JO - Holocene

JF - Holocene

SN - 0959-6836

IS - 4

ER -