Projects

CSEMP assessment of copper in sediment at Lyme Bay

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean113.9815.48-3.99 7.98
linear214.0917.00-3.04 6.09 1.891 10.1691
smooth (df = 2)312.4217.42-1.21 2.42 3.667 10.0555
smooth (df = 3)413.4521.45-0.72 1.45 0.971 10.3244
smooth (df = 4)5 4.2416.49 4.88-9.7611.211 10.0008

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920162.73853.13280.39440.27321.4430.1726
last 20 years199920162.73853.13280.39440.27321.4430.1726

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC22.9427.000.16300.16041.0160.1641
ERL22.9434.000.39350.16042.4530.0145

 


Raw data with supporting information

Raw data with supporting information for assessment of  copper in sediment at Lyme Bay


Raw data with assessment

Raw data with assessment of  copper in sediment at Lyme Bay


Assessment plot

Assessment plot for  copper in sediment at Lyme Bay


Metals data

Metals data for assessment of  copper in sediment at Lyme Bay


Metals assessment

Metals assessment of  copper in sediment at Lyme Bay


Related pages

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