Mass and energy fluxes from the US-Jo2 AmeriFlux eddy covariance tower in Tromble Weir experimental watershed at the Jornada Basin LTER site, 2010-ongoing

This data package contains metadata for, and links to, 30-minute mass and energy flux data collected at an eddy covariance tower in the Tromble Weir Watershed area of the Jornada Basin in southern New Mexico, USA. These data are used to quantify the water and energy balances in a small experimental watershed, including observational studies to calculate groundwater recharge as a water balance residual, to build relations between soil moisture state and ET flux, and to quantify land-atmosphere interactions and improve our understanding of the eddy covariance method. Additionally, they have been used in modeling studies as a validation of model performance. The .csv files included in this package list and describe the data entities and variables present in data files archived at the AmeriFlux data repository (site US-Jo2; http://ameriflux.lbl.gov/sites/siteinfo/US-Jo2). The data at AmeriFlux include the 30-minute mass and energy fluxes calculated from 20 Hz data collected at the Tromble Weir Watershed tower. Instrument descriptions and detailed procedures are found in the references listed in the Methods section of this EDI package. This is an ongoing dataset that will be updated annually.

本数据包收录了美国新墨西哥州南部霍拉辛盆地（Jornada Basin）特伦布尔堰流域（Tromble Weir Watershed）内涡度协方差塔（eddy covariance tower）采集的30分钟级质量与能量通量数据的元数据及数据访问链接。本数据集可用于量化小型实验流域的水热平衡，具体研究方向包括：以水均衡余量法计算地下水补给量、建立土壤湿度状态与蒸散（Evapotranspiration，ET）通量间的关联关系、量化陆气相互作用，以及深化对涡度协方差观测方法的认知。此外，该数据还可作为模型性能验证的基准，应用于数值模拟研究中。本数据包内的.csv格式文件列出并说明了存储于美洲通量网（AmeriFlux）数据仓库（站点编号US-Jo2；链接：http://ameriflux.lbl.gov/sites/siteinfo/US-Jo2）中的数据文件所包含的数据实体与变量。美洲通量网存储的该数据集源自特伦布尔堰流域塔站采集的20Hz原始数据，经计算得到30分钟级的质量与能量通量。仪器说明与详细实验流程可参阅本EDI数据包"方法"章节中列出的参考文献。本数据集为持续更新的动态数据集，将按年度进行版本更新。