If nothing is done before the next "sailing season," which begins in February, another substantial influx is likely over the next 12 months.
There was a substantial influx of Jewish residents, starting during WWI.
A barrack is built at the site of the caravanserai and the town suddenly experiences a substantial influx of foreigners.
From the 1920s, the area witnessed a substantial influx of population from Algeria (then part of France).
The year 1948 saw a turnover in civil service personnel (especially the police) and a substantial influx of workers into political and managerial positions.
General Abizaid said, "They should plan on moving in and conducting the rotation unless there's a substantial influx of international forces."
The county has seen a substantial influx from across the border to the extent that 38% of the population were born in England.
In the 1910s and 1920s, Detroit saw a substantial influx of African-Americans moving from the southern states in hopes of finding employment.
A substantial influx began in the early twentieth century when over a hundred thousand Italians moved to Canada.
English settlers provided a steady and substantial influx throughout the nineteenth century.