Projects

CSEMP assessment of copper in sediment at Humber

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-1.10 7.903.55-7.10
linear2 0.8632.863.57-7.140.039 10.8427

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall201020173.1653.138-0.02713 0.13668-0.1980.8554
last 20 years201020173.1653.138-0.02713 0.13668-0.1980.8554

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC23.0627.000.15780.06942.2730.0538
ERL23.0634.000.38830.06945.5950.0056

 


Raw data with supporting information

Raw data with supporting information for assessment of  copper in sediment at Humber


Raw data with assessment

Raw data with assessment of  copper in sediment at Humber


Assessment plot

Assessment plot for  copper in sediment at Humber


Metals data

Metals data for assessment of  copper in sediment at Humber


Metals assessment

Metals assessment of  copper in sediment at Humber


Related pages

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