changes (IMAGE) Kazan Federal University Caption Changes in water discharge (WD) and suspended sediment load (SSL) of the Vyatka River from 1940 to 2018 (according to [21]). WDav—average annual WD (1), WDmax—maximum average monthly WD (2, mostly May; in some years, April); SSLav—average annual SSL (3), SSLmax—maximum average monthly SSL (4, May or April); ∆—relative change; R2—the coefficient of determination of a fourth-degree polynomial trend (the dashed line). Credit Kazan Federal University Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.