watershed

نقطه عطف، آبگیر رودخانه، آب پخشان، آبخیز، جلگه رودخانه، حوزه آبخیز

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معنی و تعریف

۱.
اسم

تعریف:

رویدادی که نشان‌دهنده یک تغییر تاریخی منحصربه‌فرد یا مهم در مسیر است یا رویدادی که تحولات مهم به آن وابسته است

an event marking a unique or important historical change of course or one on which important developments depend

مترادف‌ها:

مثال‌ها:

  • The signing of the peace treaty was a watershed in the region's history, ending decades of conflict.
  • Her election as the first female president marked a watershed moment for gender equality in the country.
۲.
اسم

تعریف:

کل منطقه جغرافیایی که توسط یک رودخانه و شاخه‌های آن زهکشی می‌شود؛ منطقه‌ای که تمام رواناب آن به یک خروجی واحد منتقل می‌شود

the entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet

مثال‌ها:

  • The construction of a dam in the upper watershed affected the water supply for several downstream communities.
  • Environmentalists are studying the impact of deforestation on the watershed's ability to retain water.
۳.
اسم

تعریف:

خط الراسی از زمین که دو سامانه رودخانه‌ای مجاور را از هم جدا می‌کند

a ridge of land that separates two adjacent river systems

مترادف‌ها:

مثال‌ها:

  • The Rocky Mountains act as a major watershed, dividing rivers that flow to the Pacific from those that flow to the Atlantic.
  • Hikers reached the watershed of the trail, where rainwater would either trickle east toward the lake or west toward the valley.