Projects

CSEMP assessment of chromium in sediment at Solway Firth

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean119.7521.25-6.8713.75
linear216.9019.81-4.45 8.90 4.843 10.0278
smooth (df = 2)3 7.2312.23 1.39-2.7711.679 10.0006
smooth (df = 3)4 7.5715.57 2.21-4.43 1.651 10.1989
smooth (df = 4)5 7.5219.77 3.24-6.48 2.054 10.1518

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120164.9544.374-0.580 0.156-3.7180.0029
last 20 years200120164.9544.374-0.580 0.156-3.7180.0029

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
ERL79.3681.000.020480.123420.1660.4355

 


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