"copious river" is a correct and usable phrase in written English.
It can be used as a descriptive phrase to convey the idea of a large or abundant river. Example: The copious river flowed through the lush valley, providing life and sustenance to all the surrounding flora and fauna.
My friend, writer Travis Jeppesen, who is in London working on his PhD, demonstrates the new pissoir technology that London has borrowed from Paris, presumably in advance of the copious rivers of urine expected during the London Olympics.
To beat my poor memory, and with virtually no Internet access then, I had made copious notes about crosswordese, rivers, flowers, animals, cities, Bible trivia and suffixes and prefixes to Greek gods and goddesses.
We passed vast palm oil plantations and copious golf courses, following a swollen, lazy river, golden brown with rainy season silt, to the sea.
But critics say that athletes are being housed in apartment buildings built on the flood plain of the river which has swollen after copious monsoon rains.
The Port of Blyth was first recorded from 1138, when monks at Newminster Abbey exported salt, having created it from pans on the north side of the river and evaporated using the copious supplies of local coal.
Thermal pollution is also a major problem (see below), there is evidence that strong Murray cod recruitment events (which may be important for sustaining Murray cod populations over the long term) can result from spring flooding, and copious evidence that the health of Australian lowland river ecosystems generally rely on periodic spring flooding.
The bridges--1st Street, 4th Street, 6th Street, 7th Street, 9th Street, Spring Street, Cesar E. Chavez Boulevard (formerly Macy Street), Olympic Boulevard and Glendale-Hyperion--were built to relieve congestion at the river, where pedestrian, automobile and trolley traffic intersected with copious railroad activity.
The river regime is highly dynamic with frequent channel changes and copious sand deposition.
Ultimately, he claims that paper printing has been largely replaced with a copious use of energy, which continues to cause deforestation, global warming, and river pollution.
It's copious amounts of rain like this that allows the rainforest to thrive and fills the rivers for wild salmon to spawn.
