"numerous impact" is a correct and usable phrase in written English.
It means "a considerable number of effects or consequences." Example: "The new government policies had a numerous impact on the economy, causing inflation and job losses."
Numerous impact tests, using two different rubber compounds and three different layups, are carried out.
This has permitted to perform numerous impact tests in different situations with varying parameters.
The question of how effective such programs are in achieving these aims has been the subject of numerous impact evaluations.
Numerous impact events during the heavy bombardment period would have the great consequences for the atmospheric evolution, especially for the atmospheric pressure change on the planets.
Numerous impact assessments have been conducted after ashfall events, focussing on the impacts to critical infrastructure, electricity systems, water systems, and agriculture (for a list of post-EIA see Wilson et al. 2014c).
We then found that the numerous impact events could change the atmospheric pressure in two possible ways: the monotonic increase or the regulation to a certain atmospheric pressure value.
These anthropogenic pressures have had numerous impacts on the ecological health of the system.
The Allee effect has numerous impacts on population dynamics, distribution and conservation [4 8] and attracts much attention in biomathematics.
Since these policies have numerous impacts on various outcomes, it is impossible to provide a comprehensive assessment.
The downsizing of grassland livestock husbandry through privatization upsets the traditional way of livestock herding, causing numerous impacts on production structure and the environment.
In this research, we hypothesized that quantity of urban vegetation in Lahore has reduced because of urbanization during the last two decades and has had numerous impacts on the overall environ and people of Lahore.
