Projects

CSEMP assessment of copper in sediment at Celtic Deep

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-4.39-2.395.20-10.39
linear2-2.72 1.285.36-10.720.323 10.5698
smooth (df = 2)3-0.93 6.215.46-10.930.214 10.6437
smooth (df = 3)4-3.87 8.137.93-15.874.938 10.0263

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920163.0873.1940.107290.188030.5710.5809
last 20 years199920163.0873.1940.107290.188030.5710.5809

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC24.427.00.10140.11920.8510.2074
ERL24.434.00.33200.11922.7850.0096

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  copper in sediment at Celtic Deep


Assessment plot

Assessment plot for  copper in sediment at Celtic Deep


Metals data

Metals data for assessment of  copper in sediment at Celtic Deep


Metals assessment

Metals assessment of  copper in sediment at Celtic Deep


Related pages

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