Projects

CSEMP assessment of chromium in sediment at Solway Firth

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean137.9439.32-15.9731.94
linear238.6041.27-15.3030.60 1.337 10.2475
smooth (df = 2)324.5729.12 -7.2914.5716.028 1<0.0001
smooth (df = 3)426.3233.52 -7.1614.32 0.249 10.6176
smooth (df = 4)528.3239.21 -7.1614.32 0.000 10.9967

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120174.9794.659-0.3195 0.1665-1.9190.0772
last 20 years200120174.9794.659-0.3195 0.1665-1.9190.0772

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
ERL105.55 81.00-0.26476 0.13503-1.9610.9642

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  chromium in sediment at Solway Firth


Assessment plot

Assessment plot for  chromium in sediment at Solway Firth


Metals data

Metals data for assessment of  chromium in sediment at Solway Firth


Metals assessment

Metals assessment of  chromium 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