Jonathan Remo | St. Louis Public Radio

Jonathan Remo

SIUC faculty member Jonathan Remo, who was part of Monday’s “St. Louis on the Air” discussion of water policy, passes a barge while captaining a research vessel near Grand Tower, Illinois.
Jonathan Remo

Rivers have never been static things – least of all the mighty Mississippi. But the major waterway’s recent volatility has taken that natural characteristic to new levels.

“Even Lewis and Clark made measurements on how much the river level changed every day … and their journals are full [of] what those readings are,” Robert Criss, professor of earth and planetary sciences at Washington University, said on Monday’s St. Louis on the Air. “The river [is now] demonstrably more than twice as volatile [as] it was historically.”