'numerous debate' is correct and usable in written English.
You can use 'numerous debate' when you want to emphasize the large number of debates being discussed or held. For example, "The subject of global warming has sparked numerous debate among academics and politicians."
Mr. Morales, who was trailing Mr. Sanchez by eight points in a recent poll by The Dallas Morning News, has called for numerous debates.
She and Bernie Sanders have had numerous debates filled with intelligent exchanges on policy and principle and their respective records and proposals and visions for the country.
Over several weeks the Guardian led the global coverage of the Snowden revelations, leading to changes in the law and numerous debates in the US Congress, the UK parliament, and legislatures around the world.
One of the most influential evolutionary biologists of the 20th century and perhaps the best known since Charles Darwin, Dr. Gould touched off numerous debates, forcing scientists to rethink sometimes entrenched ideas about evolutionary patterns and processes.
So far Mr. Gallagher has put forth an energetic challenge, and has asked Ms. Allen to participate in numerous debates on his home turf -- several Veterans of Foreign War posts in Burlington County.
Many analysts believe the numerous debates — a 12th is scheduled for Saturday on ABC — have been free exposure and therefore a more appealing alternative for candidates, who have not needed paid television to enhance their identities.
Leigh-Mallory thus became the commander of some 9,000 U.S. and British aircraft allotted to this operation, and he found himself in the middle of numerous debates about how best to use aircraft to assist in the invasion.
Kasparov, unlike Kasyanov, believes that the opposition can challenge the Kremlin only after it grows, from the bottom up; his argument, which prevailed, was that the Other Russia had to hold extensive Presidential primaries in the Russian provinces, with numerous debates and public meetings, before choosing its nominee in October.
For in numerous debates, Labour still has a good story to tell: the G20 summit and toxic-debt plan for the banks; the siting of the next generation of nuclear reactors (if the mistakes described on pages 20-21 are not repeated); the continuing support for science and technology amid the downturn.
This paradox has sparked numerous debates as to its true nature.
