"more frequent drought" is correct and usable in written English.
You can use it when you want to describe a situation in which droughts occur more often than usual. Example sentence: Climate change will result in more frequent drought in certain parts of the world.
It's quite possible that there will be more frequent drought warnings in the future.
More frequent drought and crop failures breed hunger and conflict in places where hunger and conflict already thrive.
Warming is also affecting wetlands and forests around the world, helping to desiccate immense peat bogs in Indonesia, contributing to more frequent drought in the Amazon basin, and propelling a widening beetle infestation that's killing enormous tracts of pine forest in Alaska and British Columbia.
Indeed, scientists see signs of the relationship between warming and drought in western North America by analyzing trends over the last 100 years; evidence suggests that the more frequent drought and low precipitation events observed for the West during the 20th century are associated with increasing temperatures across the Northern Hemisphere.
Changes in climate conditions such as higher temperatures and more frequent drought produced severe global declines in crop yield, ranging from 21 to 35percentt for staple foods maize, rice, soybean and wheat.
A soil-plant-atmosphere (SPA) model suggests that these coordinated changes in hydraulic physiology would lead to more frequent drought stress and reduced water-use efficiency in aspen that develop at warmer temperatures.
We don't know when they are going to come, and also we have more frequent droughts.
These include more extreme weather, longer and more frequent droughts and heatwaves, and a higher rate of sea level rise.
UC Davis plant geneticist Pamela Ronald wants to create rice varieties that can survive in harsher conditions, including more frequent droughts.
But a seasonal gusher would only delay the inevitable — a future of longer and more frequent droughts, Williams said.
To design and assess cropping system adaptations to more frequent droughts, soil-crop models are useful and efficient.
