Projects

CSEMP assessment of lead in sediment at Forth Estuary

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean175.3376.53-34.6669.33
linear277.1279.40-34.5669.120.211 10.6457
smooth (df = 2)378.9682.80-34.4868.960.162 10.6874
smooth (df = 3)480.8686.86-34.4368.860.092 10.7616
smooth (df = 4)582.0890.99-34.0468.080.779 10.3775

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020174.1594.2250.065910.143410.4600.6520
last 20 years200020174.1594.2250.065910.143410.4600.6520

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC68.3538.00-0.5871 0.0861-6.8181.0000
ERL68.3547.00-0.3745 0.0861-4.3490.9998

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  lead in sediment at Forth Estuary


Assessment plot

Assessment plot for  lead in sediment at Forth Estuary


Metals data

Metals data for assessment of  lead in sediment at Forth Estuary


Metals assessment

Metals assessment of  lead in sediment at Forth Estuary


Related pages

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