baɪ sʌbtɹˈæktɪŋ ðə nˈoʊn wˈɔːɾɚ mˈænɪdʒmənt ˈɪnfluːənsᵻz ˌɔn ɐ lˈɔŋtˈɜːm hˌaɪdɹəlˈɑːdʒɪk ɹˈɛkɚd, ðə ɹˈɛkɚdz mˈeɪ stˈɪl ʃˈoʊ sˈaɪnz əvə lˈɔŋtˈɜːm tʃˈeɪndʒ.
By subtracting the known water management influences on a long-term hydrologic record, the records may still show signs of a long-term change.