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| Type: | Resource | |
| Storage: | The size of this resource is 13.9 MB | |
| Created: | Jan 27, 2022 at 3:58 p.m. | |
| Last updated: | Dec 10, 2024 at 8:26 p.m. | |
| Citation: | See how to cite this resource | |
| Content types: | CSV Content |
| Sharing Status: | Discoverable |
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| Views: | 2274 |
| Downloads: | 68 |
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| Comments: | No comments (yet) |
Abstract
This dataset includes depth to water (m, from ground surface), water temperature (degrees C) and specific conductance (uS/cm) measurements from four monitoring wells at the Maryland Agricultural site (Crisfield Farm) for the CZNet Coastal Cluster. Pressure, temperature and electrical conductivity were measured continuously in the field at 15-minute intervals with Solinst Levelogger 5 Model 3001s installed in each monitoring well. The Leveloggers were attached to a nylon cord and installed at the approximate depth of the well screen mid-point. Depth to water measurements were converted from Levelogger-measured pressure values. Pressure values were corrected for barometric pressure fluctuations and converted to depth to water values using reference manual depth to water measurements collected at the start and stop of each Levelogger deployment. No correction was done to the temperature values. Specific conductance values were calculated from Levelogger-measured electrical conductivity using the equation given by Standard Method 2510B. Between deployments, each Levelogger was submerged in a calibration solution with a known SC and the real-time reading was recorded. If the real-time reading was +/-5% of the calibration solution concentration, the sensor was calibrated according to manufacturer specifications. SC values were adjusted for sensor drift by adding a correction factor to the sensor-measured value. Leveloggers were occasionally swapped between wells to allow for sensor maintenance and calibration. Because the Leveloggers were periodically stopped to download data before being redeployed, there may be gaps in the record between deployments.
Subject Keywords
Coverage
Spatial
Temporal
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Content
Additional Metadata
| Name | Value |
|---|---|
| Units | Depth to water - meters (m); Temperature - degrees Celsius (C); Specific conductance - microSiemens per centimeter (uS/cm) |
| Method | Data collected using a Solinst Levelogger 5 Model 3001 |
| Frequency | 15-minute intervals |
| TimeStamp | Times in this dataset are in Eastern Standard Time (EST); YYYY-MM-DD HH:MM:SS; UTC Offset - 5 hours |
| Variables | Depth to Water; Temperature; Specific Conductance |
| Dataset Type | Multi-time series |
| Sample Medium | Water |
| Processing Level | Depth to water has been converted from pressure, corrected for barometric pressure fluctuations, and set to reference depth to water manual measurements made at the start and stop of each logger deployment. Specific conductance has been converted from logger-measured electrical conductivity. |
Related Resources
| Title | Owners | Sharing Status | My Permission |
|---|---|---|---|
| CCZN Crisfield Farm Data | Rachel McQuiggan · Dannielle Pratt | Discoverable & Shareable | Open Access |
Credits
Funding Agencies
This resource was created using funding from the following sources:
| Agency Name | Award Title | Award Number |
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| NSF | Collaborative Research: Network Cluster: The Coastal Critical Zone: Processes that transform landscapes and fluxes between land and sea | 2012484 |
Contributors
People or Organizations that contributed technically, materially, financially, or provided general support for the creation of the resource's content but are not considered authors.
| Name | Organization | Address | Phone | Author Identifiers |
|---|---|---|---|---|
| Rachel McQuiggan | University of Delaware;Delaware Geological Survey | Delaware, US |
How to Cite
This resource is shared under the Creative Commons Attribution CC BY.
http://creativecommons.org/licenses/by/4.0/
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