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Water Quality Implications of an Observed Trend of Rainfall and Runoff
Author(s) -
CURRAN J. C.,
ROBERTSON M.
Publication year - 1991
Publication title -
water and environment journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 37
eISSN - 1747-6593
pISSN - 1747-6585
DOI - 10.1111/j.1747-6593.1991.tb00639.x
Subject(s) - surface runoff , environmental science , estuary , hydrology (agriculture) , water quality , dilution , drainage basin , climate change , geography , oceanography , geology , ecology , physics , geotechnical engineering , cartography , biology , thermodynamics
The catchment of the upper Clyde estuary has experienced a significant and steady increase of rainfall over the past twenty years. The corresponding increase of runoff has had a positive impact on the water quality both of the individual rivers and of the estuary. Examples are provided to show that approximately one third of some observed improvements are attributable to the additional dilution. It is emphasized that comparisons of water quality data, either by region or by period, should allow for climate variability.