Projects

CSEMP assessment of copper in sediment at Sunk Island (Humber)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean173.0275.59-33.5167.02
linear274.7780.10-33.3966.770.249 10.6178
smooth (df = 2)374.9784.97-32.4864.971.804 10.1792
smooth (df = 3)476.1594.15-32.0764.150.819 10.3656

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920134.1054.2690.16390.32540.5040.6281
last 20 years199920134.1054.2690.16390.32540.5040.6281

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC71.4227.00-0.9728 0.1990-4.8880.9994
ERL71.4234.00-0.7422 0.1990-3.7300.9971

 


Raw data with supporting information

Raw data with supporting information for assessment of  copper in sediment at Sunk Island (Humber)


Raw data with assessment

Raw data with assessment of  copper in sediment at Sunk Island (Humber)


Assessment plot

Assessment plot for  copper in sediment at Sunk Island (Humber)


Metals data

Metals data for assessment of  copper in sediment at Sunk Island (Humber)


Metals assessment

Metals assessment of  copper in sediment at Sunk Island (Humber)


Related pages

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