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Calhoun CZO 70-m deep well water level

Authors: John McDevitt Mallard
Owners: Will Cook
Resource type:Composite Resource
Created:Nov 06, 2018 at 7:38 p.m.
Last updated: Nov 06, 2018 at 8:32 p.m. by Will Cook


Well water depths in deep groundwater well in the Stone's pasture at the Calhoun Critical Zone Observatory. Groundwater well is situated in a mostly flat, broad interfluve and is cored to ~70m. Well casing ends at roughly 17m. Depths were measured continuously with a Solinst levellogger (3001 LTC) pressure transducer at a resolution of 20 minutes. Downloaded data is in positive depths above the sensor. These depths are corrected for barometric pressure by subtracting barometric pressure measured by a Solinst barologger (3001) which is co-located in the well and records barometric pressure at the same frequency. The data are then converted from depth above the sensor into depths below ground surface using manual measurements of depth below ground made at each download with a water level meter.

Subject Keywords

Calhoun Critical Zone Observatory,groundwater depth

How to cite

Mallard, J. M. (2018). Calhoun CZO 70-m deep well water level, HydroShare, http://www.hydroshare.org/resource/df507a2555014e3eb46517c979925317

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


Sharing status:

  • Public Resource  Public
  • Sharable Resource  Shareable



 Coordinate System/Geographic Projection:  WGS 84 EPSG:4326
 Coordinate Units:  Decimal degrees
Place/Area Name: Calhoun CZO 70-m well



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The people or organizations that created the intellectual content of the resource.

Name Organization Address Phone Author Identifiers
John McDevitt Mallard Duke University


This resource was created using funding from the following sources:
Agency Name Award Title Award Number
NSF Human and Natural Forcings of Critical Zone Dynamics and Evolution at the Calhoun Critical Zone Observatory 1331846


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