Bubble-up

This amount of cleaning is estimated to take ten months with the remaining two months being devoted to cleaning catch basins, depressed culverts (bubble-ups) , storm drain siphons, wash rack sumps, and so forth.

Source: wiktionary

According to information received from Caltrans, about 470 hectares (1,400 acres) south of Highway 101 drain under the freeway through several bubble-ups and culverts and discharge onto NASA property

Source: wiktionary

Virtual teams are formed to champion specific ideas and keep them alive in the memory. Bubble-ups and meltdowns, of course, require reconstructions and maintenance.

Source: wiktionary

. Despite the regular talk-show bubble-ups whenever the entertainment industry “crosses the line,” concern over the power of the Hollywood boogeyman isn't particularly widespread.

Source: wiktionary