Projects

CSEMP assessment of chromium in sediment at inner (Firth of Forth)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-46.22-45.0226.11-52.22
linear2-45.49-43.2026.74-53.491.273 10.2592
smooth (df = 2)3-46.64-42.8028.32-56.643.156 10.0757
smooth (df = 3)4-53.16-47.1632.58-65.168.520 10.0035
smooth (df = 4)5-51.20-42.2932.60-65.200.037 10.8478

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920164.844.32-0.5204 0.1513-3.4400.0040
last 20 years199920164.844.32-0.5204 0.1513-3.4400.0040

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
ERL75.1781.000.074680.100800.7410.2355

 


Raw data with supporting information

Raw data with supporting information for assessment of  chromium in sediment at inner (Firth of Forth)


Raw data with assessment

Raw data with assessment of  chromium in sediment at inner (Firth of Forth)


Assessment plot

Assessment plot for  chromium in sediment at inner (Firth of Forth)


Metals data

Metals data for assessment of  chromium in sediment at inner (Firth of Forth)


Metals assessment

Metals assessment of  chromium in sediment at inner (Firth of Forth)


Related pages

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