Projects

CSEMP assessment of lead in sediment at North Minch

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-4.88-2.885.44-10.88
linear2-3.10 0.905.55-11.100.213 10.6441
smooth (df = 2)3-2.15 4.996.07-12.151.052 10.3050
smooth (df = 3)4-2.96 9.047.48-14.962.814 10.0934

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200420162.95853.03960.081180.170020.4770.6433
last 20 years200420162.95853.03960.081180.170020.4770.6433

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC20.938.00.59800.11875.0380.0003
ERL20.947.00.81050.11876.829<0.0001

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  lead in sediment at North Minch


Assessment plot

Assessment plot for  lead in sediment at North Minch


Metals data

Metals data for assessment of  lead in sediment at North Minch


Metals assessment

Metals assessment of  lead in sediment at North Minch


Related pages

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