EddyPro® 是一款功能强大的涡度协方差数据处理软件,用于计算CO2、H2O、CH4、其它痕量气体和能量通量。EddyPro® 野外版随SmartFlux® 2系统安装野外涡度监测站上,可实时提供处理完成的通量数据。EddyPro® 本地版可安装在您的个人电脑上,可选择各种处理方法对仪器获取的原始数据做深度分析。在Express模式可以快速简便地处理常见设置的数据,而Advanced模式则具有多种选项,可供专家级研究者灵活选择。 选择EddyPro® 的理由支持SmartFlux® 2系统,用于野外实时通量计算整合Biomet生物气象传感器系统和通量系统的数据计算输出结果是Tovi涡度协方差数据分析软件的独一数据源使用分析和实地方法进行复杂的谱线评估(Comprehensive spectral assessment using both analytical and in situ methods)可实现绝大多数涡度协方差研究的准确通量计算简单易学——从事涡度协方差研究的新手也能很快掌握方便使用——轻松点击即可完成多步程序的运行可直接运行LI-COR涡度协方差系统的GHG数据基于IMECC* 平台开发,结果经EdiRE及其他多款常用软件所验证默认设置及参数均以最常用的常规通量计算方法为基础可提供GHG-Europe和AmeriFlux标准格式数据输出完整的在线视频教程智能程序管理,便于原始数据的重计算由专业的LI-COR技术支持团队研发和维护* 注:IMECC即Infrastructure for Measurements of the European Carbon CycleEddyPro Express VS EddyPro Advanced EddyPro Express(默认修正,快速方便)EddyPro Advanced(用户可选,强大灵活)坐标旋转修正二次坐标轴旋转二次坐标轴旋转三次坐标轴旋转基于风区的平面坐标拟合基于风区无速率偏差的平面坐标拟合不做修正除趋势修正块平均块平均线性除趋势滑动平均指数加权平均数据同步默认值下最大协方差(循环相关)默认值下最大协方差默认值缺失下的最大协方差常量不做修正统计检验异常值计数/去除振幅分辨率缺失值绝对限度偏度和峰度异常值计数/去除振幅分辨率缺失值绝对限度偏度和峰度间断点时滞迎角水平风稳定度不做检测密度修正通过WPL修正(Webb 等,1980)或点对点转换的方式换算为混合比使用(或换算成)混合比(Burba 等,2011)就开路涡度系统而言,通过Webb 等(1980)方法进行修正;就闭路涡度系统而言,通过lbrom 等,(2007)方法进行修正针对LI-7500的非生长季吸收修正(Burba 等,2008)不做修正超声虚温修正Van Dijk等(2004)Van Dijk 等(2004)谱修正高通滤波修正(Moncrieff等,2004)低通滤波修正(Moncrieff等,1997)高通滤波修正(Moncrieff等,2004)低通滤波修正,可选:Moncrieff等(1997)Horst(1997)Ibrom等(2007)Horst 和Lenschow(2009)迎角修正是是数据质量控制标记依据Foken等(2004)进行检测根据Mauder和Foken(2004)进行检测根据Foken(2003)进行标记在进行这项操作(Gockede等,2004)之后进行标记足迹估测Kljun等(2004)Kljun等(2004)Kormann和Meixner (2001)Hsieh等(2000)LI-7700光谱修正是(McDermitt等, 2010)是(McDermitt等, 2010)文件输出通量、质量标记和其他数据完整输出美国通量数据格式GHG 欧洲通量数据格式原始数据统计列表可选:通量、质量标记和其他数据完整输出美国通量数据格式GHG 欧洲通量数据格式原始数据统计全长度谱和协谱分析箱式谱和协谱分析箱式累积频率稳态和湍流检测细节每次统计检测/修正之后的时间序列原始数据 References:Foken, T., M. Gö ckede, M. Mauder, L. Mahrt, B. D. Amiro, and J. W. Munger.2004. Post-field data quality control. In X. Lee, et al. (ed.), Handbook of Meteorology. 35: 409-414.Fratini, G., N. Arriga, C. Trotta, D. Papale. 2010. Underestimation of water vapour fluxes by eddy covariance closed-path systems due to relative humidity effects. American Geophysical Union Fall Meeting. Abstract #B11D-0400.Gö ckede, M., C. Rebmann, T. Foken, 2004. A combination of quality assessment tools for eddy covariance measurements with footprint modelling for the characterisation of complex sites. Agricultural and Forest Meteorology, 127: 175-188.Horst, T. W. 1997. A simple formula for attenuation of eddy fluxes measured with first-order-response scalar sensors. Boundary Layer Meteorology, 82: 219-233.Ibrom, A., E. Dellwik, H. Flyvbjerg, N. O. Jensen, and K. Pilegaard. 2007. Strong low-pass filtering effects on water vapour flux measurements with closed path eddy covariance systems. Agricultural and Forest Meteorology, 147: 140-156.Kaimal, J. C., and J. E. Gaynor. 1991. Another look at sonic thermometry, Boundary Layer Meteorology, 56: 401-410.Kljun, N., P. Calanca, M. W. Rotach, and H. P. Schmid. 2004. A simple parameterization for flux footprint predictions. Boundary Layer Meteorology, 112: 503-523.McDermitt, D., G. Burba, L. Xu, T. Anderson, A. Komissarov, B. Riensche, J. Schedlbauer, G. Starr, D. Zona, and W. Oechel, S. Oberbauer, and S. Hastings. 2010. A new low-power, open path instrument for measuring methane flux by eddy covariance. Applied Physics B: Laser and Optics, 102: 391-405.Moncrieff, J. B., R. Clement, J. Finnigan, and T. Meyers. 2004. Averaging, detrending and filtering of eddy covariance time series, in Handbook of micrometeorology: A guide for surface flux measurements, eds. Lee, X., W. J. Massman and B. E. Law. Dordrecht: Kluwer Academic, 7-31.Moncrieff, J. B., J. M. Massheder, H. de Bruin, J. Elbers, T. Friborg, B. Heusinkveld, P. Kabat, S. Scott, H. Soegaard, and A. Verhoef. 1997. A system to measure surface fluxes of momentum, sensible heat, water vapor and carbon dioxide. Journal of Hydrology, 188-189: 589-611.Schuepp, P. H., M. Y. Leclerc, J. I. MacPherson, and R. L. Desjardins. 1990. Footprint prediction of scalar fluxes from analytical solutions of the diffusion equation. Boundary Layer Meteorology, 50: 355-373.Van Dijk, A., A. F. Moene, and H. A. R. de Bruin. 2004. The principles of surface flux physics: Theory, practice and description of the ECPACK library, Internal Report 2004/1, Meteorology and Air Quality Group, Wageningen University, Wageningen, the Netherlands, 99 pp.Vickers, D. and L. Mahrt. 1997. Quality control and flux sampling problems for tower and aircraft data. Journal of Atmospheric and Oceanic Technology, 14: 512-526.Webb, E. K., G. I. Pearman, and R. Leuning. 1980. Correction of flux measurements for density effects due to heat and water vapour transfer. Quarterly Journal of the Royal Meteorological Society, 106: 85-100. 您可以登陆美国LI-COR公司网站免费下载EddyPro软件软件下载EddyPro 涡度协方差数据处理工作站及软件
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