系統(tǒng)功能
SF-G探針式莖流傳感器是用來連續(xù)測量樹干中莖流速率的儀器。
工作原理
將兩個(gè)探針插入樹干，給處于上部的探針用恒定能量加熱，上下二個(gè)探針之間的溫度差反應(yīng)樹干中的莖流速率，用經(jīng)驗(yàn)公式換算成莖流速率。
系統(tǒng)特點(diǎn)
適合于直徑大于2厘米的樹干；
傳感器可重復(fù)使用。
缺點(diǎn)：
樹干縱向溫度變化（±2.5℃）和測量結(jié)果疊加，導(dǎo)致測量錯(cuò)誤可能超過100%；
無法測量夜間液流。夜間液流人為的假設(shè)為零。
應(yīng)用案例
（1）中國科學(xué)院水利部水土保持研究所（需要提供照片）
（2）國際應(yīng)用案例及精選參考文獻(xiàn)詳見：https://ecomatik.de/en/ref-pub/
參考文獻(xiàn)
1. 不同灌水定額對滴灌條件下核桃樹莖流速率的影響-《節(jié)水灌溉》2015年 第12期 | 趙付勇 趙經(jīng)華 付秋萍 洪明 馬英杰 新疆農(nóng)業(yè)大學(xué)水利與土木工程學(xué)院 新疆烏魯木齊830052
2. 《中國農(nóng)村水利水電》 2017年03期，滴灌核桃樹莖流變化規(guī)律與光合作用的研究趙付勇，趙經(jīng)華，馬英杰，洪明，付秋萍，新疆農(nóng)業(yè)大學(xué)水利與土木工程學(xué)院 新疆烏魯木齊
3. 員玉良;基于莖直徑與莖流復(fù)合測量的植物水分生理調(diào)節(jié)觀測方法研究[D];中國農(nóng)業(yè)大學(xué);2015年
4.王海蘭;喬木體水分的測試技術(shù)及其監(jiān)測系統(tǒng)的研究[D];北京林業(yè)大學(xué);2011年
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