"population dislocation" is correct and usable in written English.
You could use this phrase when referring to the displacement of large numbers of people from their homes or country due to natural disasters, war, or political turmoil. For example, "The civil war in Syria has caused a major population dislocation, with millions of people fleeing the country."
No national census has been conducted in Afghanistan since a partial count in 1979, and years of war and population dislocation have made an accurate ethnic count impossible.
In Southern Africa, the relationship between low-intensity warfare and AIDS transmission through troop movements and population dislocation was detailed in a paper presented by the Mozambican ministry of health last April.
The material is modeled as an elastic continuum that contains a defect microstructure consisting of a pre-existing dislocation population, dislocation sources and GBs.
At one time it was thought that the date marked the collapse of all of the regional Classic civilizations of the area as the result of massive population dislocation.
The enormity of civilian population dislocation during armed conflicts, and the importance – yet difficulty – of reattaching people to lands and properties subsequent to conflict, presents large challenges for peace-building and recovery.
In the short term the impacts can be linked to extreme weather events which contribute to casualties, household food insecurity, disease and handicap, increased population dislocation and insecurity.
This was compounded by water mismanagement and economic deterioration which, in turn, led to further agricultural failures, population dislocations and the migration of rural communities to nearby cities.
The late 1930s, the early '40s, and World War II (with its large population dislocations) saw the spread of American cultural influence.
An advocate for culturally sensitive health care development, he continued his work as an international health consultant, focusing on the psychological impact of population dislocations caused by natural disasters and water development projects.
As disease spread into the frontier interior of North America (Kelton 2002, 2007), massive population dislocations occurred (Ethrdige 2006; Ethridge and Shuck-Hall 2009).
Frankenstorms like Sandy are part of the forecasts, but more extreme scenarios foresee drought, famine, population dislocations, climate refugees and human suffering.
