Projects

CSEMP assessment of lead in sediment at Humber

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean14.6913.690.65-1.31
linear26.4238.420.79-1.580.274 10.6006

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall201020174.3244.210-0.11416 0.21232-0.5380.6281
last 20 years201020174.3244.210-0.11416 0.21232-0.5380.6281

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC67.3638.00-0.5725 0.1388-4.1260.9871
ERL67.3647.00-0.3600 0.1388-2.5940.9596

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in sediment at Humber


Raw data with assessment

Raw data with assessment of  lead in sediment at Humber


Assessment plot

Assessment plot for  lead in sediment at Humber


Metals data

Metals data for assessment of  lead in sediment at Humber


Metals assessment

Metals assessment of  lead in sediment at Humber


Related pages

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