Projects

CSEMP assessment of copper in sediment at Lough Foyle

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean129.4531.45-11.7323.45
linear227.0731.07 -9.5319.074.386 10.0362
smooth (df = 2)327.5334.67 -8.7717.531.536 10.2152
smooth (df = 3)429.5141.51 -8.7617.510.020 10.8886

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200320183.4212.836-0.5856 0.2530-2.3140.0432
last 20 years200320183.4212.836-0.5856 0.2530-2.3140.0432

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC17.0427.000.46010.13853.3230.0039
ERL17.0434.000.69060.13854.9870.0003

 


Raw data with supporting information

Raw data with supporting information for assessment of  copper in sediment at Lough Foyle


Raw data with assessment

Raw data with assessment of  copper in sediment at Lough Foyle


Assessment plot

Assessment plot for  copper in sediment at Lough Foyle


Metals data

Metals data for assessment of  copper in sediment at Lough Foyle


Metals assessment

Metals assessment of  copper in sediment at Lough Foyle


Related pages

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