The phrase "a wave of changes" is correct and usable in written English.
It can be used to describe a significant or sudden series of alterations or transformations occurring in a particular context, such as society, technology, or policy.
Example: "The recent advancements in technology have brought about a wave of changes in the way we communicate and interact with one another."
Alternatives: "a surge of changes" or "a tide of changes".
A dose of the psychedelic substance – injected rather than dropped – unleashed a wave of changes that altered activity and connectivity across the brain.
The troubled auto industry is at the front end of a wave of changes driven by President Obama's determination to put the United States on a fossil fuel diet.
Praise for his announcement came from India's corporations and some of its 175 million farmers, who see the move as part of a wave of changes that might help jolt a slowing economy.
Douglas A. Shackelford, an economist who has examined the 2003 legislation that lowered the tax rates on capital gains and dividends, said that when those changes were being put in place "people thought this would be revolutionary," setting off a wave of changes in the way companies rewarded their investors, and how investors evaluated companies.
Rupert Murdoch had an office built for him at The Wall Street Journal within days of buying it 14 months ago, and he has made ample use of it — ordering up a wave of changes in the once-staid paper's content and culture, from the addition of a weekly sports page to general news displacing financial news on the front page to the thinning of its layers of editing.
Still, the school's choice is part of a wave of changes being made among institutions responsible for distributing information.
Those little things, he concedes, have helped bring about a wave of change in private ferry service.
A wave of change is coursing through the French city of Nantes, bringing cool new eateries, hotels and culture.
But ultimately Reston's genteel journalism collided with a wave of change that swept into Washington in the time of Vietnam and Watergate, transforming a distinctly cozy governing town into a swirl of cynicism and rancor.
Instead of feeling helpless, you feel positive and think 'Well, I made a difference last weekend, sealing up that draughty room.' There is a wave of change building and people doing things slowly influences governments and companies too.
"There's going to be a rising that begins right here in Iowa," he says, "and it's going to spread across America, and it will be a wave of change that cannot be stopped".
