Design and implementation of a low-cost device for measuring sap flow in woody species1

María Fernanda Cárdenas, Cristina López-Ramírez, Juan Diego Mejía, Jhon Fredy Escobar

Research output: Contribution to journalArticle in an indexed scientific journalpeer-review

3 Scopus citations

Abstract

Transpiration is a key variable in water balance. Sap flow measurement methods allow to estimate transpiration at plant level, but scalable at the forest stand, river basin or ecosystem level. This requires recording data continuously, for which there are commercial devices, but they are specialized and expensive. This document shows that it is possible to integrate a data capture, management and storage system, as a counterpart to a commercial system such as Campbell’s CR-1000, for measuring and recording environmental variables, with a marked reduction in costs. This paper presents a methodology used to develop a device for the estimation of sap flow using the heat ratio method, the design of the Arduino-based electronic circuit and the software, with register 13-64-171 of the Dirección Nacional de Derechos de Autor.

Translated title of the contributionDiseño e implementación de un dispositivo de bajo costo para la medición de flujo de savia en especies leñosas
Original languageEnglish
Pages (from-to)213-220
Number of pages8
JournalDYNA (Colombia)
Volume86
Issue number208
DOIs
StatePublished - 1 Jan 2019

Bibliographical note

Publisher Copyright:
© The author; licensee Universidad Nacional de Colombia.

Keywords

  • Alternatives for CR1000
  • Arduino
  • Datalogger
  • Heat pulse method
  • Importation substitution
  • Plant transpiration

Types Minciencias

  • Artículos de investigación con calidad Q3

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