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首页> 外文期刊>Acta Horticulturae >Slope and aspect effect on evaporation as measured by atmometer.
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Slope and aspect effect on evaporation as measured by atmometer.

机译：倾斜度和长宽比对通过蒸发计测量的蒸发的影响。

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摘要

This study aimed to evaluate the extent of the relative difference in evaporative demand based on slope position in order to better inform growers of the need to manage their irrigation systems better. Atmometers were installed on four quadrants of a hill and at three positions on the slope - toe, mid-slope and top of hill. There was a clear fetch of over 1 kilometer in all directions. The hill was within 2 kilometers from the ocean, which was the prevailing wind direction for much of the day. Measurements were made over an 8-month period from early summer to late winter in New Zealand. Wind played a dominant role in evaporative loss. Depending on the season, evaporative loss was affected more or less significantly by slope aspect. On all quadrants, the greatest evaporative loss occurred at the top of the slope and least occurred on the lee side of the hill which was most shaded.
机译：本研究旨在根据坡度评估蒸发需求的相对差异程度，以便更好地告知种植者更好地管理其灌溉系统的需求。气压计安装在小山的四个象限上，并在斜坡的三个位置上-脚趾，中坡和山顶。各个方向的清除量均超过1公里。这座小山距离海洋不到2公里，这是一天中大部分时间的主要风向。从初夏到冬末，在新西兰进行了为期8个月的测量。风在蒸发损失中起主要作用。取决于季节，蒸发损失或多或少受到坡度的影响。在所有象限中，最大的蒸发损失发生在斜坡的顶部，而最少的发生在山丘的阴影最大的背风侧。

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