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Integrating continuous atmospheric boundary layer and tower-based flux measurements to advance understanding of land-atmosphere interactions
Agricultural and Forest Meteorology ( IF 5.6 ) Pub Date : 2021-06-23 , DOI: 10.1016/j.agrformet.2021.108509
Manuel Helbig , Tobias Gerken , Eric R. Beamesderfer , Dennis D. Baldocchi , Tirtha Banerjee , Sébastien C. Biraud , William O.J. Brown , Nathaniel A. Brunsell , Elizabeth A Burakowski , Sean P. Burns , Brian J. Butterworth , W. Stephen Chan , Kenneth J. Davis , Ankur R. Desai , Jose D. Fuentes , David Y. Hollinger , Natascha Kljun , Matthias Mauder , Kimberly A. Novick , John M. Perkins , David A. Rahn , Camilo Rey-Sanchez , Joseph A. Santanello , Russell L. Scott , Bijan Seyednasrollah , Paul C. Stoy , Ryan C. Sullivan , Jordi Vilà-Guerau de Arellano , Sonia Wharton , Chuixiang Yi , Andrew D. Richardson

The atmospheric boundary layer mediates the exchange of energy, matter, and momentum between the land surface and the free troposphere, integrating a range of physical, chemical, and biological processes and is defined as the lowest layer of the atmosphere (ranging from a few meters to 3 km). In this review, we investigate how continuous, automated observations of the atmospheric boundary layer can enhance the scientific value of co-located eddy covariance measurements of land-atmosphere fluxes of carbon, water, and energy, as are being made at FLUXNET sites worldwide. We highlight four key opportunities to integrate tower-based flux measurements with continuous, long-term atmospheric boundary layer measurements: (1) to interpret surface flux and atmospheric boundary layer exchange dynamics and feedbacks at flux tower sites, (2) to support flux footprint modelling, the interpretation of surface fluxes in heterogeneous and mountainous terrain, and quality control of eddy covariance flux measurements, (3) to support regional-scale modeling and upscaling of surface fluxes to continental scales, and (4) to quantify land-atmosphere coupling and validate its representation in Earth system models. Adding a suite of atmospheric boundary layer measurements to eddy covariance flux tower sites, and supporting the sharing of these data to tower networks, would allow the Earth science community to address new emerging research questions, better interpret ongoing flux tower measurements, and would present novel opportunities for collaborations between FLUXNET scientists and atmospheric and remote sensing scientists.



中文翻译:

整合连续的大气边界层和基于塔的通量测量,以促进对陆地-大气相互作用的理解

大气边界层介导地表和自由对流层之间的能量、物质和动量交换,整合了一系列物理、化学和生物过程,被定义为大气的最低层(范围从几米到 3 公里)。在这篇综述中,我们研究了大气边界层的连续、自动观测如何提高碳、水和能量的陆地 - 大气通量的同位涡旋协方差测量的科学价值,正如在全球 FLUXNET 站点所做的那样。我们强调了将基于塔的通量测量与连续、长期的大气边界层测量相结合的四个关键机会:(1) 解释通量塔站点的表面通量和大气边界层交换动态和反馈,(2) 支持通量足迹建模、异质和山区表面通量的解释以及涡流协方差通量测量的质量控制,(3) 支持区域尺度建模和将表面通量放大到大陆尺度,以及 (4) ) 量化陆地-大气耦合并验证其在地球系统模型中的表示。将一套大气边界层测量添加到涡流协方差通量塔站点,并支持将这些数据共享到塔网络,将使地球科学界能够解决新出现的研究问题,更好地解释正在进行的通量塔测量,并将呈现新颖的FLUXNET 科学家与大气和遥感科学家之间的合作机会。对非均质和山区地表通量的解释,以及涡流协方差通量测量的质量控制,(3) 支持区域尺度建模和将表面通量放大到大陆尺度,以及 (4) 量化陆地 - 大气耦合并验证它在地球系统模型中的表现。将一套大气边界层测量添加到涡流协方差通量塔站点,并支持将这些数据共享到塔网络,将使地球科学界能够解决新出现的研究问题,更好地解释正在进行的通量塔测量,并将呈现新颖的FLUXNET 科学家与大气和遥感科学家之间的合作机会。对非均质和山区地表通量的解释,以及涡流协方差通量测量的质量控制,(3) 支持区域尺度建模和将表面通量放大到大陆尺度,以及 (4) 量化陆地 - 大气耦合并验证它在地球系统模型中的表现。将一套大气边界层测量添加到涡流协方差通量塔站点,并支持将这些数据共享到塔网络,将使地球科学界能够解决新出现的研究问题,更好地解释正在进行的通量塔测量,并将呈现新颖的FLUXNET 科学家与大气和遥感科学家之间的合作机会。(3) 支持区域尺度建模和将地表通量放大到大陆尺度,以及 (4) 量化陆地-大气耦合并验证其在地球系统模型中的表示。将一套大气边界层测量添加到涡流协方差通量塔站点,并支持将这些数据共享到塔网络,将使地球科学界能够解决新出现的研究问题,更好地解释正在进行的通量塔测量,并将呈现新颖的FLUXNET 科学家与大气和遥感科学家之间的合作机会。(3) 支持区域尺度建模和将地表通量放大到大陆尺度,以及 (4) 量化陆地-大气耦合并验证其在地球系统模型中的表示。将一套大气边界层测量添加到涡流协方差通量塔站点,并支持将这些数据共享到塔网络,将使地球科学界能够解决新出现的研究问题,更好地解释正在进行的通量塔测量,并将呈现新颖的FLUXNET 科学家与大气和遥感科学家之间的合作机会。

更新日期:2021-06-23
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