Projects

CSEMP assessment of zinc in sediment at Solway Firth

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean149.7651.26-21.8843.76
linear251.5554.46-21.7743.550.214 10.6436
smooth (df = 2)346.8951.89-18.4436.896.664 10.0098
smooth (df = 3)448.4956.49-18.2536.490.392 10.5310
smooth (df = 4)549.9562.20-17.9735.950.547 10.4596

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120174.5634.390-0.1738 0.3720-0.4670.6482
last 20 years200120174.5634.390-0.1738 0.3720-0.4670.6482

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 80.61122.000.41440.20861.9860.0342
ERL 80.61150.000.62100.20862.9770.0054

 


Raw data with supporting information

Raw data with supporting information for assessment of  zinc in sediment at Solway Firth


Raw data with assessment

Raw data with assessment of  zinc in sediment at Solway Firth


Assessment plot

Assessment plot for  zinc in sediment at Solway Firth


Metals data

Metals data for assessment of  zinc in sediment at Solway Firth


Metals assessment

Metals assessment of  zinc in sediment at Solway Firth


Related pages

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