'rising rainfall' is a correct and usable phrase in written English.
You can use it to refer to the amount of precipitation increasing over a period of time. For example: "As global temperatures increase, we are seeing rising rainfall that is leading to more severe flooding in coastal cities."
SS δ13C and δ15N in the watershed outlet reflected the contribution from forest and cropland mineral soils during peak flow, with sand-size SS displaying increasing δ13C and δ15N with rising rainfall intensity.
Surface temperatures are rising, rainfall and stream flow has generally declined, rain intensity has increased, sea level and sea surface temperatures have increased, and the ocean is acidifying.
Increases in global temperatures are causing sea levels to rise, rainfall and snowfall patterns to change and the frequency of extreme weather events to grow.
And as temperatures rise, rainfall patterns and amounts change, and pests and diseases find new ranges, the face of world agriculture will have to change too.
"We know population will grow and incomes increase, but also that temperatures will rise and rainfall patterns will change.
A new study of 11 west African countries expects most to be able to grow more food as temperatures rise and rainfall increases.
Africa is threatened by water shortages, famine and disease as temperatures rise and rainfall patterns shift.
However, one proposal for Tokyo, a city particularly prone to the impact of rising tides and rainfall, takes flood defences to a whole new level.
These suggest that perceptions of low rainfall, rising of temperatures, and frequent droughts by the respondents are consistent with results from the existing meteorological analyses.
OO Tropical Rainfall Rising As Big Storm Events Increase, especially big thunderstorms, study finds.
In temperate regions, breeding is mostly seasonal, usually in the spring, and is triggered by increasing day length, rising temperatures or rainfall.
