Evidence details

rebecca.killalea@canberra.edu.au on 16 Feb 2022

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Citation: Liu, Y., Wang, C., Yu, Y., Chen, Y., Du, L., Qu, X., Peng, W., Zhang, M., & Gui, C. (2019). Effect of Urban Stormwater Road Runoff of Different Land Use Types on an Urban River in Shenzhen, China. Water.
Study description: Urban runoff from three different locations classified as an arterial road, residential road and industrial area was collected during rainfall events. The study collected runoff at the roads during 5 rainfall events and analysed the water quality through time to assess the pollutant concentrations and decreasing of pollutants during the runoff event.

Cause term/trajectory: Land use/land cover - urban
Cause description: Different land use types - arterial road, residential road, industrial area
Effect term/trajectory: Water quality - nutrients (nitrogen)
Effect description: NH4 (ammonium) - This study found that NH4 in runoff was positively correlated with population, pedestrian volume and traffic flow volume.
Response measure type: Pearson correlation coefficient
Statistical significance: p<0.01
Documentation: Table 4

Source data: Field
Study type: Observation
Study design: Temporal gradient
Number of independent control or reference sampling units: 3
Sample size used in analysis: 15
Design description: Spatiotemporal study design. 3 land use types each sampled during 5 events.