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Sapflow Solutions
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Request Quote | Sap Flow Tool website Sap Flow Tool Software for analysing Heat Field Deformation (HFD) and Heat Ratio Method (HRM) Sap Flow with powerful processing and graphing capabilities. |
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Request Quote | Specification Sheet | Reference List Heat Ratio Method (HRM)
The Heat Ratio Method (HRM) is a modification of the Compensation Heat Pulse Method (CHPM). The HRM improves on the CHPM by allowing very slow flow rates and even reverse sap flow to be measured. This allows water flows to be monitored in stems and roots of a wide range of different species, sizes and environmental conditions, including drought. |
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Request Quote | Specification Sheet | Reference List Heat Field Deformation Sapflow (HFD)
The Heat Field Deformation (HFD) technique is a radically new method for measuring sapflow. It is ideally suited to sapflow research projects that require the measurement of extended radial sapflow profiles to accurately map hydraulic architecture of trees. Similar to the HRM sap flow sensor the HFD sensor can measure high sapflow rates as well as low to zero and reverse sapflow. Hence as both sensors can measure in the same range the HFD sensor provides an extension of the HRM method making both sensors highly complimentary to each other in most sapflow measurement applications. Download PDF slides of HFD Installation Instructions |
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Request Quote | Specification Sheet | Reference List Stem Heat Balance (SHB) Method
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Request Quote | Specification Sheet | Reference List Thermal Dissipation (TDP)  The Thermal Dissipation Probe (TDP) directly measures sap velocity which can be converted to volumetric flow rate given an accurate measurement of sapwood area for the tree. TDP is an uncomplicated and inexpensive method ideally suited to whole plant transpiration measurements on large diameter trees. |
Sapflow Case Studies
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Request Information | Reference List HRM case studies | |||
 Northern United Forestry Group (NUFG)Using sapflow to monitor the effect of trees on lowering a saline water table and reclaiming salt degraded farm land. NUFG Kamarooka paper presented at International Salinity conference in Adelaide March 2008  (3.2MB PDF) |
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Tall Trees web page | |||||
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Sapflow in the Californian Redwoods
Tall Trees brochure
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