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Topographic variation in soil erosion and accumulation determined with meteoric 10Be: Soil erosion and accumulation determined with meteoric 10Be

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Topographic variation in soil erosion and accumulation determined with meteoric 10Be : Soil erosion and accumulation determined with meteoric 10Be. / Marquard, Julia; Aalto, Rolf E.; Barrows, Timothy T.; Fisher, Beth A.; Aufdenkampe, Anthony K.; Stone, John O.

In: Earth Surface Processes and Landforms, 19.08.2018.

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Marquard, Julia ; Aalto, Rolf E. ; Barrows, Timothy T. ; Fisher, Beth A. ; Aufdenkampe, Anthony K. ; Stone, John O. / Topographic variation in soil erosion and accumulation determined with meteoric 10Be : Soil erosion and accumulation determined with meteoric 10Be. In: Earth Surface Processes and Landforms. 2018.

Bibtex

@article{ee753dffe93f4b88afbe03fffc0dfd43,
title = "Topographic variation in soil erosion and accumulation determined with meteoric 10Be: Soil erosion and accumulation determined with meteoric 10Be",
abstract = "Understanding natural soil redistribution processes is essential for measuring the anthropogenic impact on landscapes. Although meteoric beryllium‐10 (10Be) has been used to determine erosion processes within the Pleistocene and Holocene, fewer studies have used the isotope to investigate the transport and accumulation of the resulting sediment. Here we use meteoric 10Be in hilltop and valley site soil profiles to determine sediment erosion and deposition processes in the Christina River Basin (Pennsylvania, USA). The data indicate natural erosion rates of 14 to 21 mm 10−3 yr and soil ages of 26 000 to 57 000 years in hilltop sites. Furthermore, valley sites indicate an alteration in sediment supply due to climate change (from the Pleistocene to the Holocene) within the last 60 000 years and sediment deposition of at least 0.5–2 m during the Wisconsinan glaciation. The change in soil erosion rate was most likely induced by changes in geomorphic processes; probably solifluction and slope wash during the cold period, when ice advanced into the mid latitudes of North America. This study shows the value of using meteoric 10Be to determine sediment accumulation within the Quaternary and quantifies major soil redistribution occurred under natural conditions in this region. ",
author = "Julia Marquard and Aalto, {Rolf E.} and Barrows, {Timothy T.} and Fisher, {Beth A.} and Aufdenkampe, {Anthony K.} and Stone, {John O.}",
year = "2018",
month = aug,
day = "19",
doi = "10.1002/esp.4483",
language = "English",
journal = "Earth Surface Processes and Landforms",
issn = "0197-9337",
publisher = "John Wiley and Sons Ltd",

}

RIS

TY - JOUR

T1 - Topographic variation in soil erosion and accumulation determined with meteoric 10Be

T2 - Soil erosion and accumulation determined with meteoric 10Be

AU - Marquard, Julia

AU - Aalto, Rolf E.

AU - Barrows, Timothy T.

AU - Fisher, Beth A.

AU - Aufdenkampe, Anthony K.

AU - Stone, John O.

PY - 2018/8/19

Y1 - 2018/8/19

N2 - Understanding natural soil redistribution processes is essential for measuring the anthropogenic impact on landscapes. Although meteoric beryllium‐10 (10Be) has been used to determine erosion processes within the Pleistocene and Holocene, fewer studies have used the isotope to investigate the transport and accumulation of the resulting sediment. Here we use meteoric 10Be in hilltop and valley site soil profiles to determine sediment erosion and deposition processes in the Christina River Basin (Pennsylvania, USA). The data indicate natural erosion rates of 14 to 21 mm 10−3 yr and soil ages of 26 000 to 57 000 years in hilltop sites. Furthermore, valley sites indicate an alteration in sediment supply due to climate change (from the Pleistocene to the Holocene) within the last 60 000 years and sediment deposition of at least 0.5–2 m during the Wisconsinan glaciation. The change in soil erosion rate was most likely induced by changes in geomorphic processes; probably solifluction and slope wash during the cold period, when ice advanced into the mid latitudes of North America. This study shows the value of using meteoric 10Be to determine sediment accumulation within the Quaternary and quantifies major soil redistribution occurred under natural conditions in this region.

AB - Understanding natural soil redistribution processes is essential for measuring the anthropogenic impact on landscapes. Although meteoric beryllium‐10 (10Be) has been used to determine erosion processes within the Pleistocene and Holocene, fewer studies have used the isotope to investigate the transport and accumulation of the resulting sediment. Here we use meteoric 10Be in hilltop and valley site soil profiles to determine sediment erosion and deposition processes in the Christina River Basin (Pennsylvania, USA). The data indicate natural erosion rates of 14 to 21 mm 10−3 yr and soil ages of 26 000 to 57 000 years in hilltop sites. Furthermore, valley sites indicate an alteration in sediment supply due to climate change (from the Pleistocene to the Holocene) within the last 60 000 years and sediment deposition of at least 0.5–2 m during the Wisconsinan glaciation. The change in soil erosion rate was most likely induced by changes in geomorphic processes; probably solifluction and slope wash during the cold period, when ice advanced into the mid latitudes of North America. This study shows the value of using meteoric 10Be to determine sediment accumulation within the Quaternary and quantifies major soil redistribution occurred under natural conditions in this region.

UR - http://www.scopus.com/inward/record.url?scp=85054497327&partnerID=8YFLogxK

U2 - 10.1002/esp.4483

DO - 10.1002/esp.4483

M3 - Article

JO - Earth Surface Processes and Landforms

JF - Earth Surface Processes and Landforms

SN - 0197-9337

ER -

ID: 11840911