Projects

CSEMP assessment of lead in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-27.29-23.6916.65-33.29
linear2-25.76-17.7616.88-33.760.469 10.4936
smooth (df = 2)3-25.32 -8.6517.66-35.321.561 10.2116

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620133.1863.128-0.05827 0.09561-0.6090.5646
last 20 years200620133.1863.128-0.05827 0.09561-0.6090.5646

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC22.8338.000.50970.0637 8.0080.0001
ERL22.8347.000.72230.063711.347<0.0001

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  lead in sediment at Fladen Ground


Assessment plot

Assessment plot for  lead in sediment at Fladen Ground


Metals data

Metals data for assessment of  lead in sediment at Fladen Ground


Metals assessment

Metals assessment of  lead in sediment at Fladen Ground


Related pages

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