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CRBCZO -- Climate, Stable Isotopes, Well Water Levels -- White Clay Creek Transect A floodplain, Transect C -- (2012-2012)

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Abstract

Diana Karwan, Olesya Lazareva, Donald L. Sparks, Anthony Aufdenkampe

The Christina River Basin-Critical Zone Observatory (CRB-CZO), located in the Piedmont region of Southeastern Pennsylvania and northern Delaware, is a partnership between the University of Delaware and the Stroud Water Research Center. At Transect A of the White Clay Creek Watershed (WCCW) of the CRB-CZO, the composition of soil pore-waters and stream was investigated to understand how the geochemical dynamics of Fe- and Mn- along redox gradients affect the C cycle within a floodplain aquifer.

Soil pore-water was collected with in-situ borosilicate glass samplers (50 mm long, 20 mm diameter, 1 μm pore size, Ecotech, Germany) with the attached PTFE (Teflon) tubes (3/1.5 mm i.d./o.d) to sampling bottle. Six samplers were deployed on both sides of the floodplain within a 10-40 cm thick dark organic-rich silty soil that represents a buried pre-settlement wetland soil, underlain gravel, and stream. No pore-water was extracted from the pre-settlement deposits due to unsaturated conditions. Water sampling was carried out for about 14 months (July, 2011 - September, 2012) on biweekly basis except last 2 months in order to evaluate temporal and spatial biogeochemical dynamics of floodplain aquifer under a variety of meteorological and hydrologic conditions. In total, 103 soil pore-water samples were collected and analyzed for DOC, Fe and Mn, pH, temperature, alkalinity, conductivity, major anions, major cations, δD, and δ18O.

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Coverage

Spatial

Coordinate System/Geographic Projection:

WGS 84 EPSG:4326

Coordinate Units:

Decimal degrees

Place/Area Name:

Agricultural Endmember: South Branch Doe Run, Boulton Run, Transect A, White Clay Creek Transect A floodplain, Transect C

North Latitude

39.8675°

East Longitude

-75.7820°

South Latitude

39.8623°

West Longitude

-75.7881°

Temporal

Start Date:
End Date:

Content

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CRBCZO -- Climate, Stable Isotopes, Well Water Levels -- White Clay Creek Transect A floodplain, Transect C -- (2012)

OVERVIEW

Description/Abstract

Diana Karwan, Olesya Lazareva, Donald L. Sparks, Anthony Aufdenkampe The Christina River Basin-Critical Zone Observatory (CRB-CZO), located in the Piedmont region of Southeastern Pennsylvania and northern Delaware, is a partnership between the University of Delaware and the Stroud Water Research Center. At Transect A of the White Clay Creek Watershed (WCCW) of the CRB-CZO, the composition of soil pore-waters and stream was investigated to understand how the geochemical dynamics of Fe- and Mn- along redox gradients affect the C cycle within a floodplain aquifer. Soil pore-water was collected with in-situ borosilicate glass samplers (50 mm long, 20 mm diameter, 1 μm pore size, Ecotech, Germany) with the attached PTFE (Teflon) tubes (3/1.5 mm i.d./o.d) to sampling bottle. Six samplers were deployed on both sides of the floodplain within a 10-40 cm thick dark organic-rich silty soil that represents a buried pre-settlement wetland soil, underlain gravel, and stream. No pore-water was extracted from the pre-settlement deposits due to unsaturated conditions. Water sampling was carried out for about 14 months (July, 2011 - September, 2012) on biweekly basis except last 2 months in order to evaluate temporal and spatial biogeochemical dynamics of floodplain aquifer under a variety of meteorological and hydrologic conditions. In total, 103 soil pore-water samples were collected and analyzed for DOC, Fe and Mn, pH, temperature, alkalinity, conductivity, major anions, major cations, δD, and δ18O.

Creator/Author

Karwan, Diana L.|Lazareva, Olesya

CZOs

Christina

Contact

Olesya Lazareva, University of Delaware Environmental Institute, Newark DE , 19716 Diana L. Karwan, Department of Forest Resources, University of Minnesota, St. Paul, MN 55108

SUBJECTS

Disciplines

Biogeochemistry|Climatology / Meteorology|Geochemistry / Mineralogy|Hydrology|Soil Science / Pedology

Topics

Climate|Stable Isotopes|Well Water Levels

Keywords

Hydrology|water isotopes|White Clay Creek Watershed|Transect

Variables

Variables ODM2

TEMPORAL

Date Start

2012-09-24

Date End

2012-12-19

SPATIAL

Field Areas

Agricultural Endmember: South Branch Doe Run|Boulton Run|Transect A

Location

White Clay Creek Transect A floodplain, Transect C

North latitude

39.867490000000004

South latitude

39.86232375

West longitude

-75.78814197

East longitude

-75.782027

REFERENCE

Citation

Karwan and Lazareva, 2012

CZO ID

2978

Award Grant Numbers

National Science Foundation, Earth Sciences Division - 0724971

Additional Metadata

Name	Value
czos	Christina
czo_id	2978
citation	Karwan and Lazareva, 2012
keywords	Hydrology, water isotopes, White Clay Creek Watershed, Transect
variables	pH, Temperature, Specific conductance, Alkalinity_ total, Oxygen-18, Deuterium, Water level, Calcium, Potassium, Magnesium, Manganese, Sodium, Silicon, Sulfur
disciplines	Biogeochemistry, Climatology / Meteorology, Geochemistry / Mineralogy, Hydrology, Soil Science / Pedology

Credits

Funding Agencies

This resource was created using funding from the following sources:

Agency Name	Award Title	Award Number
National Science Foundation, Earth Sciences Division		0724971

How to Cite

Karwan, D. L., O. Lazareva (2019). CRBCZO -- Climate, Stable Isotopes, Well Water Levels -- White Clay Creek Transect A floodplain, Transect C -- (2012-2012), HydroShare, http://www.hydroshare.org/resource/d16b41286d4447d4a6e155dab61f4ef7

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

http://creativecommons.org/licenses/by/4.0/

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