The phrase "a set of ephemeral" is correct and usable in written English.
It can be used when referring to a collection of items or concepts that are temporary or short-lived in nature.
Example: "The artist created a set of ephemeral installations that would only last for a few days before being dismantled."
Alternatives: "a collection of transient" or "a group of fleeting".
For pond-breeding amphibians inhabiting seasonal dry forests, landscape is composed of a set of scarce and ephemeral isolated ponds surrounded by a contrasting matrix.
The logistic binary regression model was applied such that species presence-absence was fitted with another species presence-absence in a specific set of bromeliads or ephemeral ground pools.
V.A.S. also brings to mind the "relational aesthetics" school, in which an artwork is composed of an ephemeral set of social interactions.
The case highlights that the ephemeral nature of Snapchat's platform – which deletes videos and photos after a set amount of time – lulls users into a false sense of security.
It often arises from a jumble of ephemeral commercial brands and military engineering projects.
In an era of ephemeral downloads, the best boxed-set collections have come to be the CD equivalent of lavish art books, presenting the scope of an artist's career in a fine package.
Harry Feiner, the set designer, created a set out of veils and curtains that gave, sometimes, the illusion of substance while underlining the ephemeral quality of the transformations achieved by the Fairy Godmother, or Bonne Fée.
Meanwhile, the familiar set of "media" celebrities — Dan and Peter and Tom — become ephemeral.
The passion to arrest the moment, to snatch something lasting from fashion, that most ephemeral of arts, will be familiar to anyone who has ever worked on the set of a fashion shoot.
In her collection "An Enlarged Heart: A Personal History" (Knopf, $24.95), Cynthia Zarin delivers a dozen delightful essays set mostly in ephemeral Manhattan.
