A new continuous planar fit method for calculating fluxes in complex, forested terrain

A new continuous planar fit method for calculating fluxes in complex, forested terrain
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一种新的连续平面拟合方法,用于计算复杂森林地形中的通量

DOI:
10.1002/asl.580
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发表时间:
2015
影响因子:
3
通讯作者:
Ross A
Ross A
中科院分区:
地球科学4区
文献类型:
--
作者:
Ross A

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平面拟合(PF)方法通常被推荐用于长期涡动协方差通量测量,因为它比旋转到流向坐标具有许多优点。对于复杂的森林地形,一个单一的PF可能无法解释复杂的变化,坡度和冠层覆盖与风向。PF方法的一种替代方法,其中倾斜角拟合为风向的连续函数。这保留了PF方法的许多优点,同时更好地表示倾斜随风向的局部变化。
The planar fit (PF) method is often recommended for long‐term eddy covariance flux measurements because it offers a number of advantages over rotating into streamwise coordinates. For sites over complex, forested terrain a single PF may not account for complex variations in slope and canopy cover with wind direction. An alternative to the PF method is presented where the tilt angle is fitted as a continuous function of the wind direction. This retains many of the benefits of the PF method, while at the same time better representing local variations in tilt with wind direction.
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