Projects

CSEMP assessment of copper in sediment at Cosheston Point (Milford Haven)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean183.5085.00-38.7577.50
linear283.4586.36-37.7375.452.046 10.1526
smooth (df = 2)382.1387.13-36.0772.133.320 10.0685
smooth (df = 3)483.4191.41-35.7171.410.720 10.3962
smooth (df = 4)580.8793.12-33.4366.874.544 10.0330

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920143.5774.1720.59460.40201.4790.1629
last 20 years199920143.5774.1720.59460.40201.4790.1629

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC64.8527.00-0.8762 0.2426-3.6110.9984
ERL64.8534.00-0.6457 0.2426-2.6610.9902

 


Raw data with supporting information

Raw data with supporting information for assessment of  copper in sediment at Cosheston Point (Milford Haven)


Raw data with assessment

Raw data with assessment of  copper in sediment at Cosheston Point (Milford Haven)


Assessment plot

Assessment plot for  copper in sediment at Cosheston Point (Milford Haven)


Metals data

Metals data for assessment of  copper in sediment at Cosheston Point (Milford Haven)


Metals assessment

Metals assessment of  copper in sediment at Cosheston Point (Milford Haven)


Related pages

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