Projects

CSEMP assessment of copper in sediment at Solway Firth

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean119.2520.75-6.6313.25
linear212.5515.46-2.28 4.558.701 10.0032
smooth (df = 2)3 6.7111.71 1.64-3.297.838 10.0051
smooth (df = 3)4 5.6813.68 3.16-6.323.036 10.0815
smooth (df = 4)5 7.3319.58 3.33-6.670.347 10.5561

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120163.3202.368-0.9523 0.2048-4.6500.0006
last 20 years200120163.3202.368-0.9523 0.2048-4.6500.0006

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC10.6827.000.92770.16155.744<0.0001
ERL10.6834.001.15820.16157.171<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  copper in sediment at Solway Firth


Raw data with assessment

Raw data with assessment of  copper in sediment at Solway Firth


Assessment plot

Assessment plot for  copper in sediment at Solway Firth


Metals data

Metals data for assessment of  copper in sediment at Solway Firth


Metals assessment

Metals assessment of  copper in sediment at Solway Firth


Related pages

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