Live Dashboard: Sap Flow and Environmental Measurements

Tony Johnson stands next to the monitoring equipment: sap collection bucket, control panel, solar panel.

Maple producers know that sap flow is very dependent on air temperature. But other environmental factors matter, too. To try to understand the intricate relationships between temperature, pressure, moisture, and sap flow rate, the Cornell Maple Program is conducting a scientific study at six sugarbushes—and you can see the measurements in real time throughout the season on a public dashboard.

The Wisconsin Extension Maple Program is partnering with Cornell to host one of the sap flow and environmental monitoring systems at Scott Walter’s farm in Viola, Wisconsin. Scott is a commercial maple producer running about 4,000 taps this year.

Check out the video below for a behind-the-scenes tour of the monitoring system at Driftless Gold and then visit the dashboard to see what conditions are like today.

In each sugarbush, sensors are set up at one tree to collect data on:

  • Sap flow rate
  • Rainfall rate
  • Tree pressure
  • Air pressure
  • Air temperature
  • Relative humidity
  • Soil moisture (in two locations)
  • Soil temperature (in two locations)
  • Tree temperature (in two locations).
The six sugarbushes included on the dashboard are in Viola, Wisconsin; Montville, Ohio; Arnot Forest, New York; Uihlein Forest, New York; East Dixfield, Maine; and Centre Acer, Victoriaville, Quebec.

Join the Maple Hour on Tuesday, April 8th from 7 to 8 PM to learn more about the the science of maple sap flow and dive deeper into this Cornell project. Register in advance by clicking the button below:

We hope you’re having a great maple season!

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