Projects

CSEMP assessment of zinc in sediment at middle (Firth of Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-21.27-19.0213.64-27.27
linear2-20.53-15.9614.27-28.531.259 10.2618
smooth (df = 2)3-24.21-15.8717.10-34.215.674 10.0172
smooth (df = 3)4-25.46-11.0618.73-37.463.251 10.0714

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620174.9874.823-0.16381 0.13278-1.2340.2486
last 20 years200620174.9874.823-0.16381 0.13278-1.2340.2486

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC124.39122.00-0.01944 0.06679-0.2910.6112
ERL124.39150.00 0.18717 0.06679 2.8030.0103

 


Raw data with supporting information

Raw data with supporting information for assessment of  zinc in sediment at middle (Firth of Clyde)


Raw data with assessment

Raw data with assessment of  zinc in sediment at middle (Firth of Clyde)


Assessment plot

Assessment plot for  zinc in sediment at middle (Firth of Clyde)


Metals data

Metals data for assessment of  zinc in sediment at middle (Firth of Clyde)


Metals assessment

Metals assessment of  zinc in sediment at middle (Firth of Clyde)


Related pages

  • Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
  • Assessment methodology for metals in sediment
  • Accessment criteria for metals in sediment