Projects

CSEMP assessment of copper in sediment at Bann Estuary

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean141.2743.84-17.6435.27
linear242.4747.81-17.2434.470.798 10.3718
smooth (df = 2)344.1054.10-17.0534.100.375 10.5401
smooth (df = 3)445.9163.91-16.9633.910.187 10.6653

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620173.9143.675-0.23905 0.26198-0.9120.3882
last 20 years200620173.9143.675-0.23905 0.26198-0.9120.3882

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC39.4427.00-0.3790 0.1668-2.2720.9736
ERL39.4434.00-0.1484 0.1668-0.8900.8003

 


Raw data with supporting information

Raw data with supporting information for assessment of  copper in sediment at Bann Estuary


Raw data with assessment

Raw data with assessment of  copper in sediment at Bann Estuary


Assessment plot

Assessment plot for  copper in sediment at Bann Estuary


Metals data

Metals data for assessment of  copper in sediment at Bann Estuary


Metals assessment

Metals assessment of  copper in sediment at Bann Estuary


Related pages

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