Evidence details
rebecca.killalea@canberra.edu.au on 02 Mar 2022
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Study
- Citation
- Valtanen, M., Sillanpää, N., & Setälä, H. (2014). The Effects of Urbanization on Runoff Pollutant Concentrations, Loadings and Their Seasonal Patterns Under Cold Climate. Water, Air, & Soil Pollution.
- Study description
- This study examined the effects of different land use types and imperviousness on storm water runoff pollutant loads.
Response
- Cause term/trajectory
-
Surface runoff - impervious surfaces
(Increase)
- Cause description
- Impervious surfaces. 3 catchments were assessed with differing imperviousness - Low: 19%, Intermediate: 62%, High: 89%
- Effect term/trajectory
-
Water quality - suspended material/sediment
(Increase)
- Effect description
- Total suspended solids increased with increasing imperviousness.
- Response measure type
- Spearman correlation coefficient
Design
- Source data
- Field
- Study type
- Observation
- Study design
- After impact only
- Number of independent control or reference sampling units
- 3
- Sample size used in analysis
- 24
- Design description
- Data was collected seasonally (every 3 months) at 3 locations over 2 years.
Context
- Climate
- Cold (continental)
- Country
- Finland
- Habitat
- Artificial
- Spatial extent
- Other
- Temporal extent
- Years
- Context description
- Spatial extent - 3 locations in a city