V2EX evapotranspiration

Evapotranspiration

Definition / 释义

蒸散(作用):地表水分通过蒸发(来自土壤、水体等)和植物的蒸腾(水分经叶片释放到空气中)共同进入大气的过程。常用于水文学、气象学与农业灌溉中,常缩写为 ET

Pronunciation / 发音(IPA)

/vprotrnspren/

Examples / 例句

Evapotranspiration increases on hot, windy days.
炎热多风的天气会使蒸散增强。

In water resource planning, evapotranspiration is estimated to balance rainfall, runoff, and soil moisture over a season.
在水资源规划中,人们会估算蒸散量,以在一个季节尺度上平衡降雨、径流与土壤含水量。

Etymology / 词源

该词为复合构词:evaporation(蒸发)+ transpiration(蒸腾)。其中 evaporation 源自拉丁语 evaporare(“散发成蒸汽”),transpiration 源自拉丁语 transpirare(“呼出、透过散出”)。合在一起强调“地表蒸发 + 植物蒸腾”的总水分损失过程。

Related Words / 相关词汇

Literary Works / 文献与作品中的用例

  • FAO Irrigation and Drainage Paper 56: Crop Evapotranspiration(农业灌溉领域经典技术文献,系统使用该术语)
  • IPCC Assessment Reports(政府间气候变化专门委员会评估报告中常用于陆地水循环与干旱研究)
  • Handbook of Hydrology(Maidment 编,水文学权威手册,涉及蒸散估算与模型)
  • Principles of Hydrology(Ward & Robinson,水文学教材中用于流域水量平衡与能量平衡讨论)
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