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

1 Amani, B., B. Olfa, et al. (2013). "COMPARISON BETWEEN SAP FLOW MEASUREMENTS AND TWO PREDICTION CLIMATE FORMULAS TO ESTIMATE TRANSPIRATION IN OLIVE ORCHARDS (OLEA EUROPAEA L. CV. CHEMLALI)." European Scientific Journal 9(21).

 2.Duberstein, J. A., K. W. Krauss, et al. (2013). "Do Hummocks Provide a Physiological Advantage to Even the Most Flood Tolerant of Tidal Freshwater Trees?" Wetlands: 1-10.

 3.Ferro, A. M., T. Adham, et al. (2013). "Performance of deep-rooted phreatophytic trees at a site containing total petroleum hydrocarbons." International Journal of Phytoremediation 15(3): 232-244.

 4.Juzwik, J., J.-H. Park, et al. (2013). Biotic agents responsible for rapid crown decline and mortality of hickory in northeastern and north central USA. Proceedings of the 18th Central Hardwoods Forest Conference GTR-NRS-P.

 5.Park, J.-H., J. Juzwik, et al. (2013). "Multiple Ceratocystis smalleyi infections associated with reduced stem water transport in bitternut hickory." Phytopathology 103(6): 565-574.

 6.Pinto Jr, O. B., G. L. Vourlitis, et al. (2013). "Transpiration by the heat dissipation probe method in transition Amazon-Savannah forest." Revista Brasileira de Engenharia Agrícola e Ambiental 17(3): 268-274.

 7.Sullivan, P. L., V. Engel, et al. (2013). "The influence of vegetation on the hydrodynamics and geomorphology of a tree island in Everglades National Park (Florida, United States)." Ecohydrology.

8.Zhang, Y., Y. Shen, et al. (2013). "Characteristics of the water–energy–carbon fluxes of irrigated pear ( Pyrus bretschneideri Rehd ) orchards in the North China Plain." Agricultural Water Management 128: 140-148.

 9.Zhou, Y., J. Wenninger, et al. (2013). "Groundwater–surface water interactions, vegetation dependencies and implications for water resources management in the semi-arid Hailiutu River catchment, China–a synthesis." Hydrology and Earth System Sciences 17(7): 2435-2447.

 10.趙曉偉, 趙平, et al. (2013). "木荷樹干夜間水分補(bǔ)充的季節(jié)動(dòng)態(tài)及其與樹形特征和葉片生物量的關(guān)系." 植物生態(tài)學(xué)報(bào) 37(3): 239-247.