The phrase "a sharp intensification" is correct and usable in written English.
It can be used to describe a sudden and significant increase in intensity or severity of a situation or phenomenon.
Example: "The report indicated a sharp intensification of the storm, leading to severe weather warnings across the region."
Alternatives: "a sudden escalation" or "a marked increase".
"This decision constitutes a sharp intensification of our operation".
This pincer movement was a sharp intensification of pressure on Mr. Sadr after two days of relative calm.
While deadly attacks by Chechen fighters seeking to make the region independent from Russia occur almost daily, the two attacks this week signaled a sharp intensification of the war, as well as the evident willingness of the separatists to resort to suicidal attacks.
The spring of 1943 marked sharp intensification of the bombing.
The events that took place in the western regions of the USSR occupied by Nazi Germany in the first weeks after the German invasion, including Lithuania, marked the sharp intensification of the Holocaust.
BENGHAZI, Libya — The government of Col. Muammar el-Qaddafi said he survived an airstrike in Tripoli late Saturday night that killed one of his sons and three grandchildren, in the sharpest intensification yet of the NATO air campaign intended to pressure the Libyan leader from power.
After such significant human impact, the lagoon experienced a sharp decrease in water surface area along with an intensification of the siltation/eutrophication processes, as inferred from multiproxy data.
Yet, wood-pastures have been through a sharp decline all over Europe, mainly due to processes of agricultural intensification and abandonment.
A sharp summer increase of the GSH levels might be related to the intensification of feeding and digestion.
Factors driving this decline include a sharp decrease in chick survival due to pesticide use, habitat loss due to agricultural intensification and mechanisation, lower hatching success, and increased predation [ 2].
But this division is not really a sharp one, because augmentation in the avant-garde novel often looks like a kind of subtraction: augmentation takes the form of an intensification of the sentence rather than an intensification of the things that many people habitually associate with the novel — plots, characters, objects.
