Rio Negro in Brasilien - Wasserstände: The annual low water level on Rio Negro each year since 1903. The 2023 low set a new record—12.7 meters on the gauge at Manaus as of October 27 —edging out 1963 and 2010. Quelle/Rechte: René Garreaud, University of Chile, based on data from the Port of Manaus.
Rio Negro in Brasilien - Wasserstände: The annual low water level on Rio Negro each year since 1903. The 2023 low set a new record—12.7 meters on the gauge at Manaus as of October 27 —edging out 1963 and 2010. Quelle/Rechte: René Garreaud, University of Chile, based on data from the Port of Manaus. Bildrechte: René Garreaud, University of Chile, based on data from the Port of Manaus.