Projects

CSEMP assessment of copper in sediment at Solway Firth

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean134.0335.41-14.0128.03
linear231.4534.11-11.7223.45 4.580 10.0323
smooth (df = 2)321.4626.00 -5.7311.4611.991 10.0005
smooth (df = 3)422.7929.99 -5.4010.79 0.665 10.4147
smooth (df = 4)524.1635.05 -5.0810.16 0.631 10.4271

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120173.3452.641-0.7040 0.2079-3.3860.0049
last 20 years200120173.3452.641-0.7040 0.2079-3.3860.0049

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC14.0227.000.65500.16713.9210.0009
ERL14.0234.000.88550.16715.301<0.0001

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  copper in sediment at Solway Firth


Assessment plot

Assessment plot for  copper in sediment at Solway Firth


Metals data

Metals data for assessment of  copper in sediment at Solway Firth


Metals assessment

Metals assessment of  copper 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