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Abstract
Measurement of sap flux in mature oak trees at the CZO Garner Run catchment in Rothrock State Forest during the entire year. Motivation for study is to monitor actual water usage of trees in order to understand water flux rates throughout the water catchment. The tree ID numbers are 3158, 144, 3164, and 180. Additionally, the data helps to understand the soil, plant, atmosphere continuum (SPAC) at the CZO. Measurements are made using four Dynamax Thermal Dissipation sensor (TDP) with 30 millimeter probes. These are connected to a Campbell Scientific CR1000 data logger that are manually downloaded monthly.
Data collected using paired temperature probes installed in trees and insulated. In each tree one probe produces a small amount of heat, the other probe measures the ambient temperature of the sap. The greater the sap flux in a tree the greater the voltage difference in the probes.
Date Range Comments: Data are manually downloaded; End date is not fixed
Subject Keywords
Coverage
Spatial
Temporal
| Start Date: | |
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| End Date: |
Content
ReadMe.md
SSHCZO -- Sap Flow -- Garner Run Sap Flow Data -- Garner Run -- (2016-2018)
OVERVIEW
Description/Abstract
Measurement of sap flux in mature oak trees at the CZO Garner Run catchment in Rothrock State Forest during the entire year. Motivation for study is to monitor actual water usage of trees in order to understand water flux rates throughout the water catchment. The tree ID numbers are 3158, 144, 3164, and 180. Additionally, the data helps to understand the soil, plant, atmosphere continuum (SPAC) at the CZO. Measurements are made using four Dynamax Thermal Dissipation sensor (TDP) with 30 millimeter probes. These are connected to a Campbell Scientific CR1000 data logger that are manually downloaded monthly.
Data collected using paired temperature probes installed in trees and insulated. In each tree one probe produces a small amount of heat, the other probe measures the ambient temperature of the sap. The greater the sap flux in a tree the greater the voltage difference in the probes.
Creator/Author
Eissenstat, David M.
CZOs
Shale Hills
Contact
Dr. David Eissenstat, Professor of Horticulture, The Pennsylvania State University, 218 Tyson Building, University Park, PA, 16802, 814.863.3371, dme9@psu.edu.
Subtitle
Level 0 Raw Data
SUBJECTS
Disciplines
Biology / Ecology
Topics
Sap Flow
Subtopic
Garner Run Sap Flow Data
Keywords
Sap Flux|SPAC|Garner Run|Water Usage|Water Flux
Variables
TmStamp_UTC|T3158_dT_Avg|T144_dT_Avg|T3164_dT_Avg|T180_dT_Avg
Variables ODM2
Sap flow
TEMPORAL
Date Start
2016-04-25
Date End
2018-05-02
Date Range Comments
Data are manually downloaded; End date is not fixed
SPATIAL
Field Areas
Garner Run - Sandstone Forested
Location
Garner Run
North latitude
40.704951
South latitude
40.689399
West longitude
-77.928923
East longitude
-77.912089
REFERENCE
Citation
The following acknowledgment should accompany any publication or citation of these data: Logistical support and/or data were provided by the NSF-supported Shale Hills Susquehanna Critical Zone Observatory.
CZO ID
6659
Additional Metadata
| Name | Value |
|---|---|
| czos | Shale Hills |
| czo_id | 6659 |
| citation | The following acknowledgment should accompany any publication or citation of these data: Logistical support and/or data were provided by the NSF-supported Shale Hills Susquehanna Critical Zone Observatory. |
| keywords | Sap Flux, SPAC, Garner Run, Water Usage, Water Flux |
| subtitle | Level 0 Raw Data |
| variables | TmStamp_UTC, T3158_dT_Avg, T144_dT_Avg, T3164_dT_Avg, T180_dT_Avg |
| disciplines | Biology / Ecology |
| date_range_comments | Data are manually downloaded; End date is not fixed |
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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