The phrase "autumn water" is correct and usable in written English.
It can be used in contexts related to nature, seasons, or poetic descriptions, often evoking imagery associated with the fall season.
Example: "The autumn water glistened under the fading sunlight, reflecting the vibrant colors of the leaves."
Alternatives: "fall water" or "seasonal water".
The sun's slanting rays cast a golden glow on smooth autumn waters.
In the summer–autumn mean-water, the average water level in the reservoir remained at the levels well below the long-term average (51.0 m) until the middle of November.
With the decline in air temperatures in autumn, surface water temperatures decrease and the conductive mixing increases, leading to the deepening of the thermocline until Lake Kinneret water column finally mixes around December-January [1].
Two large rectangular blocks infused with the russet colors of autumn represent water and exposed rocks; the third, a dark gray sky.
Due to onset of the seasonal autumn floods, water level in the reservoir fluctuates significantly.
During the autumn low water they were passable but with unloaded boats only, and even then the passage was very dangerous.
The majority of adult char congregate in outlets and narrow parts of the lakes after spawning in autumn when water level drops, followed by c. 10 - 50% passive displacement downstream in the spring [ 134].
CEV infections have been observed in Japan since 1974, mainly in spring and autumn at water temperatures between 15 °C and 25 °C, when koi are moved from earthen ponds to freshwater containing cement-lined ponds [ 6].
The soil is warm so roots immediately begin to grow into their new home; rain is on the way (the National Weather Service is predicting a wetter-than-usual autumn), so watering will be less of a chore, and some weeks watering won't be necessary at all.
