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| Type: | Resource | |
| Storage: | The size of this resource is 5.6 MB | |
| Created: | Sep 28, 2023 at 8 p.m. | |
| Last updated: | Sep 29, 2023 at 1:33 p.m. | |
| DOI: | 10.4211/hs.d774a78c24ce4994a4871660f8d1879f | |
| Citation: | See how to cite this resource |
| Sharing Status: | Published |
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| Views: | 164 |
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Abstract
This dataset consists of sap flux and environmental data continuously collected in a stand of loblolly pine trees growing in a residential backyard in the northeast of Tallahassee in 2020-2022. The site received no regular irrigation or fertilizer inputs. Studied loblolly pine trees were about 84 years old and a part of a mixed species stand with several other tree species, with an understory of herbaceous plants, woody shrubs, and the mix of groundcovers. Some of the plantings received occasional irrigation, and the groundcover was regularly mowed. Sap flux was measured with Granier-type thermal dissipation probes at 1.35 m height in the outer 2 cm of sapwood. The dataset was collected as part of a study of Tallahassee urban forest transpiration.
Subject Keywords
Coverage
Spatial
Temporal
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Content
readme.txt
General information This dataset consists of sap flux and environmental data continuously collected in a stand of loblolly pine trees growing in a residential backyard in the northeast of Tallahassee. The site received no regular irrigation or fertilizer inputs. Studied loblolly pine trees were about 84 years old and a part of a mixed species stand with several other tree species, with an understory of herbaceous plants, woody shrubs, and the mix of groundcovers. Some of the plantings received occasional irrigation, and the groundcover was regularly mowed. Sap flux was measured with Granier-type thermal dissipation probes at 1.35 m height in the outer 2 cm of sapwood. Abbreviations PITA Pinus taeda (loblolly pine) DBH diameter at breast height (~1.35 m) d_s sapwood depth Io intensity of incoming solar radiation (based on data from the Montford Middle WeatherSTEM weather station) Temp atmospheric temperature (measured every 30 min by a HOBO T/RH MX2302A Data Logger with external T/RH sensor covered by a solar radiation shield RS3-B (Onset Computer Corporation) and mount at 2 m height on the trunk of PITA-3) RH atmospheric relative humidity (measured every 30 min by a HOBO T/RH MX2302A Data Logger with external T/RH sensor covered by a solar radiation shield RS3-B (Onset Computer Corporation) and mount at 2 m height on the trunk of PITA-3) vpd atmospheric vapor pressure deficit (calculated using Temp and RH) VWC soil volumetric water content of the top 30 cm (measured by soil water content reflectometers (CS616; Campbell Scientific) every 30 s and averaged every 30 min by CR3000 datalogger (Campbell Scientific) Jo sap flux (calculated using the open-source software Baseliner (Oishi et al., 2016) from voltage differences measured every 30 s by CR3000 datalogger (Campbell Scientific); the averages were calculated and logged every 30 min) E transpiration (calculated as E = 6.4e-4*A_s*Jo, where A_s is sapwood area estimated from d_s)
Credits
Funding Agencies
This resource was created using funding from the following sources:
| Agency Name | Award Title | Award Number |
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| National Science Foundation | Collaborative Research: Understanding the hydrologic consequences of urban irrigation across the U.S. | EAR 1923936 |
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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