The phrase "added the impact of" is correct and usable in written English.
It can be used when discussing the inclusion of effects or consequences in a particular context, such as research, analysis, or reporting.
Example: "The study added the impact of climate change on agricultural productivity to its findings."
Alternatives: "included the effects of" or "incorporated the influence of".
Heydemann added: "The impact of sanctions will gradually strangle activity.
He added, "The impact of an oil price increase on these guys will be very significant".
At prime minister's questions yesterday, Cameron added the impact of high energy prices on living standards.
It added: "The impact of this on the island community of Iona would be catastrophic".
She added: "The impact of this sale won't only affect borrowers, but will affect everybody.
Furthermore, they added, the impact of lower oil prices on corporate profits has largely been negative, with improvement not being forecast until the second half of the year.
It adds: "The impact of the recession on children, in particular, will be felt long after the recession itself is declared to be over".
If they want to simultaneously add the impact of drought to the equation, the number of treatments doubles to account for all four possible variable combinations.
But, the authors add, the impact of society can greatly modify how aggressive humans are, with the proportion of human deaths due to people fighting between themselves fluctuating over mankind's history.
The document says they could be resold and any loss would not exceed £218,000, adding: "The impact of a negative decision from the home secretary can be mitigated by maintaining the option to resell the cannon.
Add the impact of multiple wars over the past two decades, sponsored or fuelled by rich world countries – from Iraq and Afghanistan to Yemen, Pakistan, Somalia, Mali and Libya – and the pressures on Europe's borders and off its coasts are not hard to understand.
