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CCZO -- Soil Survey -- Soil Texture -- Calhoun CZO -- (2014-2015)
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Created: Nov 19, 2019 at 6:22 a.m.
Last updated: Nov 21, 2019 at 8:04 p.m.
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Abstract

This is soil texture data (% sand/silt/clay) for samples collected June-August, 2014, in References Areas 3 and 4. Samples were obtained by coring to depths of 100-200 cm (site dependent) with a bucket auger. Sampling occurred at fixed intervals, e.g. 0-20, 20-40, 40-60, 60-80, and 80-100 cm. Individual samples were uniquely identified by Reference Area, Transect Number, and Depth. Samples were transported to Duke in plastic bags where they were opened and allowed to air-dry for a minimum of 2 weeks. After air-drying, samples were passed multiple times through a #10 sieve (2-mm mesh) to separate soil from > 2-mm fraction. Obtaining pre-sieve bulk soil mass, and post-sieve >2-mm mass, allowed >2-mm mass fraction to be estimated. The < 2-mm fraction was transferred to paper bags for oven-drying at 40C for 48-72 hours. Texture was measured on the oven-dry sample using a standard method based on gravitational sedimentation. The lab SOP is available upon request.

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
Calhoun CZO Research Area 3, Calhoun CZO Research Area 4, Calhoun CZO
North Latitude
34.6477°
East Longitude
-81.6633°
South Latitude
34.5750°
West Longitude
-81.7789°

Temporal

Start Date:
End Date:

Content

ReadMe.md

CCZO -- Soil Survey -- Soil Texture -- Calhoun CZO -- (2014-2015)

OVERVIEW

Description/Abstract

This is soil texture data (% sand/silt/clay) for samples collected June-August, 2014, in References Areas 3 and 4. Samples were obtained by coring to depths of 100-200 cm (site dependent) with a bucket auger. Sampling occurred at fixed intervals, e.g. 0-20, 20-40, 40-60, 60-80, and 80-100 cm. Individual samples were uniquely identified by Reference Area, Transect Number, and Depth. Samples were transported to Duke in plastic bags where they were opened and allowed to air-dry for a minimum of 2 weeks. After air-drying, samples were passed multiple times through a #10 sieve (2-mm mesh) to separate soil from > 2-mm fraction. Obtaining pre-sieve bulk soil mass, and post-sieve >2-mm mass, allowed >2-mm mass fraction to be estimated. The < 2-mm fraction was transferred to paper bags for oven-drying at 40C for 48-72 hours. Texture was measured on the oven-dry sample using a standard method based on gravitational sedimentation. The lab SOP is available upon request.

Creator/Author

Heine, Paul

CZOs

Calhoun

Contact

Paul Heine, Duke University, Nicholas School of the Environment, A205 LSRC, Durham, NC 27708. pheine@duke.edu



SUBJECTS

Disciplines

Soil Science / Pedology

Topics

Soil Survey

Subtopic

Soil Texture

Keywords

texture|sand|silt|clay|pipette method|reference 3|reference 4|holcombe’s branch|cross-watershed|terrrace

Variables

Sample ID|% clay|% silt|% sand

Variables ODM2

Clay|Sand|Silt|Recorder code



TEMPORAL

Date Start

2014-06-01

Date End

2015-08-31



SPATIAL

Field Areas

Calhoun CZO Research Area 3|Calhoun CZO Research Area 4

Location

Calhoun CZO

North latitude

34.64774494

South latitude

34.57495247

West longitude

-81.77893686

East longitude

-81.66329492



REFERENCE

CZO ID

4683



Additional Metadata

Name Value
czos Calhoun
czo_id 4683
keywords texture, sand, silt, clay, pipette method, reference 3, reference 4, holcombe’s branch, cross-watershed, terrrace
variables Sample ID, % clay, % silt, % sand
disciplines Soil Science / Pedology

How to Cite

Heine, P. (2019). CCZO -- Soil Survey -- Soil Texture -- Calhoun CZO -- (2014-2015), HydroShare, http://www.hydroshare.org/resource/b7e332f222c4446596c8663d83559841

This resource is shared under the Creative Commons Attribution CC BY.

 http://creativecommons.org/licenses/by/4.0/
CC-BY

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