Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean184.4985.87-39.2478.49
linear283.2685.93-37.6375.263.223 10.0726
smooth (df = 2)383.8188.35-36.9073.811.454 10.2278
smooth (df = 3)485.4092.60-36.7073.400.406 10.5239
smooth (df = 4)587.1498.03-36.5773.140.264 10.6072

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920183.5714.3480.77720.41171.8880.0799
last 20 years199920183.5714.3480.77720.41171.8880.0799

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC77.3127.00-1.0520 0.2657-3.9590.9993
ERL77.3134.00-0.8215 0.2657-3.0920.9960

 


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