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Connecticut Dairy Farm Stable Water Isotope Data


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Created: Jun 09, 2026 at 3:08 p.m. (UTC)
Last updated: Jun 11, 2026 at 10:47 p.m. (UTC) (Metadata update)
Published date: Jun 11, 2026 at 10:47 p.m. (UTC)
DOI: 10.4211/hs.8400117f993b4d48a93d9ffa993fa130
Citation: See how to cite this resource
Sharing Status: Published
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Abstract

This repository contains hydrologic data collected at three dairy farms (denoted A, B, and C) in Connecticut (location not denoted) focused around the 2022 growing season. This data is used to study soil water bypass in agricultural soils across hay and silage corn fields.

- Soil_VWC_Hydroshare.csv: Volumetric water content (VWC) measurements taken in triplicate at 6 depths (0-5, 5-10, 10-20, 20-30, 30-40, 40-50 cm) taken biweekly from May to August 2022.
- Soil_Iso_Hydroshare.csv: Stable water isotope (18O and 2H) compositions for profiled bulk soil water samples (0-50 cm) taken biweekly from May to August 2022. Soil samples were collected in triplicate using a 5 cm soil auger. Samples depths were 0-5, 5-10, 10-20, 20-30, 30-40, 40-50 cm, and denoted by the lowest depth.
- GW_Iso_Hydroshare.csv: Soil water isotopes (18O and 2H) compositions for groundwater samples taken at each farm from groundwater fed spigots or springs from May to December 2022.
- Precip_Iso_Hydroshare.csv: Stable water isotopic (18O and 2H) compositions of biweekly accumulative precipitation samples collected at Farm A using a container with a mineral oil film to prevent evaporative isotopic fractionation.
- Lab_Analysis_Notes.txt: Specifics concerning the laboratory procedures used to analyze the stable water isotopic compositions of the precipitation, groundwater, and soil water samples.

Precipitation data collected 30 km away form these farms can be found at: Knighton, J. (2023). Fenton Tract Research Forest - Hydrologic Data, HydroShare, http://www.hydroshare.org/resource/8996065d3ba34907a018be9b4369c1d3

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
Connecticut
Longitude
-72.6747°
Latitude
41.7638°

Temporal

Start Date:
End Date:

Content

Credits

Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
American Farm Land Trust None None
USDA National Institute of Food and Agriculture Hatch Capacity Grant 7007833

How to Cite

Snarski, J., C. B. Georgakakos, C. Caridad, J. Knighton (2026). Connecticut Dairy Farm Stable Water Isotope Data, HydroShare, https://doi.org/10.4211/hs.8400117f993b4d48a93d9ffa993fa130

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

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

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