Projects

CSEMP assessment of mercury in sediment at Bann Estuary

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean138.2040.77-16.1032.20
linear238.2943.62-15.1530.291.911 10.1669
smooth (df = 2)340.1850.18-15.0930.180.109 10.7416
smooth (df = 3)442.1260.12-15.0630.120.060 10.8062

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20062017-2.928-3.348-0.4205 0.2890-1.4550.1837
last 20 years20062017-2.928-3.348-0.4205 0.2890-1.4550.1837

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.035150.070000.68880.18413.7420.0028
ERL0.035150.150001.45100.18417.882<0.0001

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  mercury in sediment at Bann Estuary


Assessment plot

Assessment plot for  mercury in sediment at Bann Estuary


Metals data

Metals data for assessment of  mercury in sediment at Bann Estuary


Metals assessment

Metals assessment of  mercury in sediment at Bann Estuary


Related pages

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