Projects

CSEMP assessment of mercury in sediment at Forth Estuary

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean195.84 97.04-44.9289.84
linear295.83 98.12-43.9287.832.006 10.1567
smooth (df = 2)396.98100.83-43.4986.980.850 10.3565
smooth (df = 3)498.58104.58-43.2986.580.399 10.5275
smooth (df = 4)599.69108.59-42.8485.690.898 10.3432

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20002017-0.2139-0.6779-0.4640 0.3142-1.4770.1591
last 20 years20002017-0.2139-0.6779-0.4640 0.3142-1.4770.1591

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.50770.0700-1.9813 0.1851-10.7031.0000
ERL0.50770.1500-1.2192 0.1851 -6.5861.0000

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  mercury in sediment at Forth Estuary


Assessment plot

Assessment plot for  mercury in sediment at Forth Estuary


Metals data

Metals data for assessment of  mercury in sediment at Forth Estuary


Metals assessment

Metals assessment of  mercury 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