Genesis of freshwater subaqueous soils following flooding of a subaerial landscape

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The majority of research on subaqueous soils has so far occurred in estuarine environments where their pedogenic concepts were first explored. We investigated subaqueous soils in a 91. ha freshwater impoundment, which prior to flooding were subaerial. Five landscape units across the lake were delineated based on water depth, slope, landscape shape, and depositional environment. Soils were sampled and analyzed for bulk density, particle size distribution, rock fragments, pH, electrical conductivity (EC), organic C and sulfidic materials. Given these soils did not classify as subaqueous under current criteria in Soil Taxonomy, we determined current subaerial classifications and propose new subaqueous classifications: Histic Frasiwassept (subaerial: Typic Humaquept); Typic Frasiwassept (subaerial: Typic Endoaquept); and Fragic Frasiwassept (subaerial: Typic Endoaquept). Lake main channel units have water depths that exceed 2.5. m, and thus exceed water depths where subaqueous soils are found. Across Lake channel bank deposits a Fragic Frassiwassept-Typic Frassiwassept complex is found with equal proportions of each soil. Across Lake bottom deposits Fragic Frassiwassepts are mapped. Lake cove deposits consist of a Fragic Frasiwassept-Histic Frasiwassept complex with equal proportions of each soil, and Lake shoals are comprised of Histic Frasiwassepts. Following impoundment creation, additions of mineral and organic material (likely erosional siltation) have resulted in soils with unique morphologic, physical, and chemical characteristics different from subaerial, shoreline soils but expressing a welded morphology that is a product of impoundment creation. These characteristics are identifiable across landforms, indicative of specific processes to soils, and can be reliably mapped in order to support aquatic ecosystem management.

Original languageEnglish (US)
Pages (from-to)53-62
Number of pages10
JournalGeoderma
Volume179-180
DOIs
StatePublished - Jun 1 2012

Fingerprint

flooding
soil
lakes
lake
impoundment
water depth
soil taxonomy
ecosystem management
water
landforms
siltation
particle size distribution
estuarine environment
electrical conductivity
bulk density
depositional environment
aquatic ecosystem
landform
shoreline
rocks

All Science Journal Classification (ASJC) codes

  • Soil Science

Cite this

@article{98426abb1b07482c8b317dd1b742f842,
title = "Genesis of freshwater subaqueous soils following flooding of a subaerial landscape",
abstract = "The majority of research on subaqueous soils has so far occurred in estuarine environments where their pedogenic concepts were first explored. We investigated subaqueous soils in a 91. ha freshwater impoundment, which prior to flooding were subaerial. Five landscape units across the lake were delineated based on water depth, slope, landscape shape, and depositional environment. Soils were sampled and analyzed for bulk density, particle size distribution, rock fragments, pH, electrical conductivity (EC), organic C and sulfidic materials. Given these soils did not classify as subaqueous under current criteria in Soil Taxonomy, we determined current subaerial classifications and propose new subaqueous classifications: Histic Frasiwassept (subaerial: Typic Humaquept); Typic Frasiwassept (subaerial: Typic Endoaquept); and Fragic Frasiwassept (subaerial: Typic Endoaquept). Lake main channel units have water depths that exceed 2.5. m, and thus exceed water depths where subaqueous soils are found. Across Lake channel bank deposits a Fragic Frassiwassept-Typic Frassiwassept complex is found with equal proportions of each soil. Across Lake bottom deposits Fragic Frassiwassepts are mapped. Lake cove deposits consist of a Fragic Frasiwassept-Histic Frasiwassept complex with equal proportions of each soil, and Lake shoals are comprised of Histic Frasiwassepts. Following impoundment creation, additions of mineral and organic material (likely erosional siltation) have resulted in soils with unique morphologic, physical, and chemical characteristics different from subaerial, shoreline soils but expressing a welded morphology that is a product of impoundment creation. These characteristics are identifiable across landforms, indicative of specific processes to soils, and can be reliably mapped in order to support aquatic ecosystem management.",
author = "E. Erich and Drohan, {Patrick Joseph}",
year = "2012",
month = "6",
day = "1",
doi = "10.1016/j.geoderma.2012.02.004",
language = "English (US)",
volume = "179-180",
pages = "53--62",
journal = "Geoderma",
issn = "0016-7061",
publisher = "Elsevier",

}

Genesis of freshwater subaqueous soils following flooding of a subaerial landscape. / Erich, E.; Drohan, Patrick Joseph.

In: Geoderma, Vol. 179-180, 01.06.2012, p. 53-62.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Genesis of freshwater subaqueous soils following flooding of a subaerial landscape

AU - Erich, E.

AU - Drohan, Patrick Joseph

PY - 2012/6/1

Y1 - 2012/6/1

N2 - The majority of research on subaqueous soils has so far occurred in estuarine environments where their pedogenic concepts were first explored. We investigated subaqueous soils in a 91. ha freshwater impoundment, which prior to flooding were subaerial. Five landscape units across the lake were delineated based on water depth, slope, landscape shape, and depositional environment. Soils were sampled and analyzed for bulk density, particle size distribution, rock fragments, pH, electrical conductivity (EC), organic C and sulfidic materials. Given these soils did not classify as subaqueous under current criteria in Soil Taxonomy, we determined current subaerial classifications and propose new subaqueous classifications: Histic Frasiwassept (subaerial: Typic Humaquept); Typic Frasiwassept (subaerial: Typic Endoaquept); and Fragic Frasiwassept (subaerial: Typic Endoaquept). Lake main channel units have water depths that exceed 2.5. m, and thus exceed water depths where subaqueous soils are found. Across Lake channel bank deposits a Fragic Frassiwassept-Typic Frassiwassept complex is found with equal proportions of each soil. Across Lake bottom deposits Fragic Frassiwassepts are mapped. Lake cove deposits consist of a Fragic Frasiwassept-Histic Frasiwassept complex with equal proportions of each soil, and Lake shoals are comprised of Histic Frasiwassepts. Following impoundment creation, additions of mineral and organic material (likely erosional siltation) have resulted in soils with unique morphologic, physical, and chemical characteristics different from subaerial, shoreline soils but expressing a welded morphology that is a product of impoundment creation. These characteristics are identifiable across landforms, indicative of specific processes to soils, and can be reliably mapped in order to support aquatic ecosystem management.

AB - The majority of research on subaqueous soils has so far occurred in estuarine environments where their pedogenic concepts were first explored. We investigated subaqueous soils in a 91. ha freshwater impoundment, which prior to flooding were subaerial. Five landscape units across the lake were delineated based on water depth, slope, landscape shape, and depositional environment. Soils were sampled and analyzed for bulk density, particle size distribution, rock fragments, pH, electrical conductivity (EC), organic C and sulfidic materials. Given these soils did not classify as subaqueous under current criteria in Soil Taxonomy, we determined current subaerial classifications and propose new subaqueous classifications: Histic Frasiwassept (subaerial: Typic Humaquept); Typic Frasiwassept (subaerial: Typic Endoaquept); and Fragic Frasiwassept (subaerial: Typic Endoaquept). Lake main channel units have water depths that exceed 2.5. m, and thus exceed water depths where subaqueous soils are found. Across Lake channel bank deposits a Fragic Frassiwassept-Typic Frassiwassept complex is found with equal proportions of each soil. Across Lake bottom deposits Fragic Frassiwassepts are mapped. Lake cove deposits consist of a Fragic Frasiwassept-Histic Frasiwassept complex with equal proportions of each soil, and Lake shoals are comprised of Histic Frasiwassepts. Following impoundment creation, additions of mineral and organic material (likely erosional siltation) have resulted in soils with unique morphologic, physical, and chemical characteristics different from subaerial, shoreline soils but expressing a welded morphology that is a product of impoundment creation. These characteristics are identifiable across landforms, indicative of specific processes to soils, and can be reliably mapped in order to support aquatic ecosystem management.

UR - http://www.scopus.com/inward/record.url?scp=84858319302&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84858319302&partnerID=8YFLogxK

U2 - 10.1016/j.geoderma.2012.02.004

DO - 10.1016/j.geoderma.2012.02.004

M3 - Article

VL - 179-180

SP - 53

EP - 62

JO - Geoderma

JF - Geoderma

SN - 0016-7061

ER -