Sap Flow Analyzer: A tool to standardize sap flow estimation and scaling to whole-tree water use using the HFD method

IF 6.3 2区 环境科学与生态学 Q1 ECOLOGY
Marie-Christin Wimmler, Nadezhda Nadezhdina, Hannah Bowen, Susana Alvarado-Barrientos, Teresa David, Gabriela Fontenla-Razzetto, Britt Kniesel, Holger Lange, Roman Mathias Link, Yang Liu, Jorge López-Portillo, Clara Pinto, Junbin Zhao, Alejandra G. Vovides
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引用次数: 0

Abstract

Abstract Image

树液流量分析仪:使用高频分解法对树液流量估算进行标准化并扩展到全树用水的工具
树液流测量是了解树木用水情况的基础,有助于预测气候变化对森林功能的影响。从此类测量中获取知识需要经验校准和升级方法,以便将测温记录转化为树木的用水量。在此,我们开发了一款用户友好型开源应用程序--树液流分析仪(SFA),它可以通过热场变形(HFD)仪器估算树液流速和树木用水量。SFA 包含四个关键功能,以确保最大限度地提高树液流量估算的准确性和可重复性:通过诊断图直观地评估数据模式;通过回归模型提高 K(HFD 的主要参数)估算的准确性;通过三种方法将树液流量提升到整棵树的用水量;以及输入参数不确定性的可视化。13 位参与者获得了三个原始数据集,并使用 SFA 用户指南分配了数据处理任务,从估计边材深度到将树液流速放大到全树用水量,以评估 SFA 的可重复性和适用性。参与者的结果相当一致,与他们使用 SFA、R 或 HFD 方法的背景无关。结果表明,高流速的变异性较低(SD:平均 1% 对 10% )。K 值估计值和边材深度差异是主要的变异性来源,而这又主要是由用户选择的缩放方法造成的。SFA 提供了一种简单的方法来可视化和处理来自高频分解测量的树液流和树木用水数据。它是首个面向高频分解用户的免费开放软件工具。跟踪分析步骤的功能可确保数据处理的可重复性、透明度和一致性。开发 SFA 和掩蔽试验等工具对于更精确的工作流程以及提高 HFD 树液流数据集的质量和可比性至关重要。
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来源期刊
CiteScore
11.60
自引率
3.00%
发文量
236
审稿时长
4-8 weeks
期刊介绍: A British Ecological Society journal, Methods in Ecology and Evolution (MEE) promotes the development of new methods in ecology and evolution, and facilitates their dissemination and uptake by the research community. MEE brings together papers from previously disparate sub-disciplines to provide a single forum for tracking methodological developments in all areas. MEE publishes methodological papers in any area of ecology and evolution, including: -Phylogenetic analysis -Statistical methods -Conservation & management -Theoretical methods -Practical methods, including lab and field -This list is not exhaustive, and we welcome enquiries about possible submissions. Methods are defined in the widest terms and may be analytical, practical or conceptual. A primary aim of the journal is to maximise the uptake of techniques by the community. We recognise that a major stumbling block in the uptake and application of new methods is the accessibility of methods. For example, users may need computer code, example applications or demonstrations of methods.
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