Projects

CSEMP assessment of zinc in sediment at Sea of Hebrides

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-35.53-33.5320.77-41.53
linear2-33.53-29.5320.77-41.530.003 10.9541
smooth (df = 2)3-31.97-24.8320.98-41.970.434 10.5100
smooth (df = 3)4-34.13-22.1323.06-46.134.160 10.0414

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620174.5664.5770.010520.183390.0570.9554
last 20 years200620174.5664.5770.010520.183390.0570.9554

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 97.18122.000.22740.10612.1450.0288
ERL 97.18150.000.43400.10614.0930.0011

 


Raw data with supporting information

Raw data with supporting information for assessment of  zinc in sediment at Sea of Hebrides


Raw data with assessment

Raw data with assessment of  zinc in sediment at Sea of Hebrides


Assessment plot

Assessment plot for  zinc in sediment at Sea of Hebrides


Metals data

Metals data for assessment of  zinc in sediment at Sea of Hebrides


Metals assessment

Metals assessment of  zinc in sediment at Sea of Hebrides


Related pages

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