This data is from the TDP observation data at Hutou Village Farmland Observation Field (E106.3192621 °; N29.76271 °, 473m above sea level) of National Field Scientific Observation and Research on Karst Ecosystem in Jinfoshan, Chongqing from January 1 to August 26, 2022. Each TDP observation system has 8 sets of probes, and the observation species are Camellia sinensis and Osmanthus fragrans. According to the different heights and DBH of trees, select sample trees to install TDP (Thermal Diffusion sap flow velocity probe), and adopt domestic TDP pin type thermal diffusion plant stem flow meter, with the model of TDP30. The selected sample plot is located 3 meters to the south of the flux observation tower, representing the whole area for trunk sap flow measurement. The installation height of the probe is 1.3m, and the installation orientation is southeast, southwest and due north of the sample tree. The original observation data of TDP is the temperature difference between probes. The acquisition frequency is 30 seconds, the average time is 10 minutes, 144 groups of data a day, and the missing data is marked as NAN.
TDP_ HuTouCun_ Observation year
Kong, D. (2022). TDP observation data of Hutou Village, Jinfo Mountain National Station (2022). Upper Yangtze River Scientific Data Center, (Download the reference：
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| East: 106.32 | West: 106.32 |
|---|---|
| South: 29.76 | North: 29.76 |
