Projects

CSEMP assessment of copper in sediment at middle (Firth of Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-15.01-12.7610.50-21.01
linear2-14.66-10.0911.33-22.661.653 10.1986
smooth (df = 2)3-17.28 -8.9513.64-27.284.620 10.0316
smooth (df = 3)4-20.13 -5.7316.07-32.134.852 10.0276

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620173.2042.968-0.23580 0.16991-1.3880.1986
last 20 years200620173.2042.968-0.23580 0.16991-1.3880.1986

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC19.4627.000.32770.08853.7020.0025
ERL19.4634.000.55820.08856.307<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  copper in sediment at middle (Firth of Clyde)


Raw data with assessment

Raw data with assessment of  copper in sediment at middle (Firth of Clyde)


Assessment plot

Assessment plot for  copper in sediment at middle (Firth of Clyde)


Metals data

Metals data for assessment of  copper in sediment at middle (Firth of Clyde)


Metals assessment

Metals assessment of  copper in sediment at middle (Firth of Clyde)


Related pages

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