High precision zero-friction magnetic dendrometer

Increasing agricultural demand for freshwater in the face of a changing climate requires improved irrigation management to maximize resource efficiency. Soil water deficits can significantly reduce plant growth and development, directly impacting crop quantity and quality. Dendrometers are a plant-b...

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Autores principales:	Cameron Clonch, Mark Huynh, Bryson Goto, Alexander Levin, John Selker, Chet Udell
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Vineyard Woody plants Arduino Carbon fiber Irrigation Water-stress indicator Science (General) Q1-390
Acceso en línea:	https://doaj.org/article/4432996536384692834b4738a2f7be9f
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spelling	oai:doaj.org-article:4432996536384692834b4738a2f7be9f2021-11-26T04:37:15ZHigh precision zero-friction magnetic dendrometer2468-067210.1016/j.ohx.2021.e00248https://doaj.org/article/4432996536384692834b4738a2f7be9f2021-10-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S246806722100078Xhttps://doaj.org/toc/2468-0672Increasing agricultural demand for freshwater in the face of a changing climate requires improved irrigation management to maximize resource efficiency. Soil water deficits can significantly reduce plant growth and development, directly impacting crop quantity and quality. Dendrometers are a plant-based tool that have shown potential to improve irrigation management in high-value woody perennial crops (e.g., trees and vines). A dendrometer continuously measures small fluctuations in stem diameter; this has been directly correlated to water stress measurements using traditional methods. While plant-based measures of water deficits are considered to be the best measures of water stress, current dendrometer methods are imprecise due to mechanical hysteresis and thermal expansion. The high-precision dendrometer created at the OPEnS Lab alleviates these key failure points using zero-thermal expansion carbon fiber, zero friction via a spring tensioning approach, and a linear magnetic encoder. In-lab tests and field deployments have validated device measurements and the execution of these pivotal qualities. Mass deployment of these automated dendrometers has the potential to provide a continuous record of water stress, providing valuable decision support for irrigation management.Cameron ClonchMark HuynhBryson GotoAlexander LevinJohn SelkerChet UdellElsevierarticleVineyardWoody plantsArduinoCarbon fiberIrrigationWater-stress indicatorScience (General)Q1-390ENHardwareX, Vol 10, Iss , Pp e00248- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Vineyard Woody plants Arduino Carbon fiber Irrigation Water-stress indicator Science (General) Q1-390
spellingShingle	Vineyard Woody plants Arduino Carbon fiber Irrigation Water-stress indicator Science (General) Q1-390 Cameron Clonch Mark Huynh Bryson Goto Alexander Levin John Selker Chet Udell High precision zero-friction magnetic dendrometer
description	Increasing agricultural demand for freshwater in the face of a changing climate requires improved irrigation management to maximize resource efficiency. Soil water deficits can significantly reduce plant growth and development, directly impacting crop quantity and quality. Dendrometers are a plant-based tool that have shown potential to improve irrigation management in high-value woody perennial crops (e.g., trees and vines). A dendrometer continuously measures small fluctuations in stem diameter; this has been directly correlated to water stress measurements using traditional methods. While plant-based measures of water deficits are considered to be the best measures of water stress, current dendrometer methods are imprecise due to mechanical hysteresis and thermal expansion. The high-precision dendrometer created at the OPEnS Lab alleviates these key failure points using zero-thermal expansion carbon fiber, zero friction via a spring tensioning approach, and a linear magnetic encoder. In-lab tests and field deployments have validated device measurements and the execution of these pivotal qualities. Mass deployment of these automated dendrometers has the potential to provide a continuous record of water stress, providing valuable decision support for irrigation management.
format	article
author	Cameron Clonch Mark Huynh Bryson Goto Alexander Levin John Selker Chet Udell
author_facet	Cameron Clonch Mark Huynh Bryson Goto Alexander Levin John Selker Chet Udell
author_sort	Cameron Clonch
title	High precision zero-friction magnetic dendrometer
title_short	High precision zero-friction magnetic dendrometer
title_full	High precision zero-friction magnetic dendrometer
title_fullStr	High precision zero-friction magnetic dendrometer
title_full_unstemmed	High precision zero-friction magnetic dendrometer
title_sort	high precision zero-friction magnetic dendrometer
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/4432996536384692834b4738a2f7be9f
work_keys_str_mv	AT cameronclonch highprecisionzerofrictionmagneticdendrometer AT markhuynh highprecisionzerofrictionmagneticdendrometer AT brysongoto highprecisionzerofrictionmagneticdendrometer AT alexanderlevin highprecisionzerofrictionmagneticdendrometer AT johnselker highprecisionzerofrictionmagneticdendrometer AT chetudell highprecisionzerofrictionmagneticdendrometer
_version_	1718409838111752192

High precision zero-friction magnetic dendrometer

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