Tumbarumba Flux Data Release 2024_v2

<br>This release consists of flux tower measurements of the exchange of energy and mass between the surface and the atmospheric boundary-layer using eddy covariance techniques. Data were processed using PyFluxPro (v3.4.17) as described by Isaac et al. (2017). PyFluxPro produces a final, gap-filled product with Net Ecosystem Exchange (NEE) partitioned into Gross Primary Productivity (GPP) and Ecosystem Respiration (ER).</br> <br>Tumbarumba flux station is located in Bago State Forest in south eastern New South Wales. It was established in 2000 and is managed by CSIRO Marine and Atmospheric Research. The forest is classified as wet sclerophyll, the dominant species is <em>Eucalyptus delegatensis</em>, and average tree height is 40&nbsp;m. Elevation of the site is 1200&nbsp;m and mean annual precipitation is 1000&nbsp;mm. Bago and Maragle State Forests are adjacent to the south west slopes of southern New South Wales and the 48,400&nbsp;ha of native forest have been managed for wood production for over 100 years. The instrument mast is 70&nbsp;m tall. Fluxes of heat, water vapour and carbon dioxide are measured using the open-path eddy flux technique. Supplementary measurements above the canopy include temperature, humidity, wind speed, wind direction, rainfall, incoming and reflected shortwave radiation and net radiation. Profiles of temperature, humidity and CO₂ are measured at seven levels within the canopy. Soil moisture content is measured using time domain reflectometry. Soil heat fluxes and temperature are also measured. Hyper-spectral radiometric measurements are being used to determine canopy leaf-level properties.</br>

本数据集包含采用涡度协方差法（eddy covariance techniques）开展的地表与大气边界层间能量与物质交换通量塔观测数据。数据处理采用PyFluxPro（v3.4.17），处理流程参照Isaac等人2017年的研究方法。PyFluxPro可生成经过间隙填补的最终数据集，将净生态系统交换（Net Ecosystem Exchange, NEE）拆分为总初级生产力（Gross Primary Productivity, GPP）与生态系统呼吸（Ecosystem Respiration, ER）。
通巴拉姆巴通量站位于新南威尔士州东南部的巴戈州立森林内。该站于2000年建立，由澳大利亚联邦科学与工业研究组织海洋与大气研究部（CSIRO Marine and Atmospheric Research）运维。该森林类型为湿润硬叶林，优势树种为<em>Eucalyptus delegatensis</em>，平均树高40米。观测点海拔1200米，年平均降水量为1000毫米。巴戈州立森林与马拉格尔州立森林毗邻，坐落于新南威尔士州南部西南坡，这片面积达48400公顷的原生森林已有超过100年的木材生产管理历史。观测塔架高度为70米。采用开路式涡度通量技术观测热通量、水汽通量与二氧化碳通量。冠层上方的补充观测项目包括气温、空气湿度、风速、风向、降雨量、入射与反射短波辐射以及净辐射。冠层内共设置7个高度层级，用于观测温度、湿度与二氧化碳（CO₂）浓度廓线。土壤含水率采用时域反射法（time domain reflectometry）进行测定。同时观测土壤热通量与土壤温度。研究采用高光谱辐射测量技术反演冠层叶片尺度的生理特性。