Projects

CSEMP assessment of lead in sediment at Bann Estuary

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean184.4487.01-39.2278.44
linear279.4684.79-35.7371.466.979 10.0082
smooth (df = 2)381.2091.20-35.6071.200.262 10.6089
smooth (df = 3)478.7496.74-33.3766.744.458 10.0347

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620173.6062.801-0.8047 0.2510-3.2060.0125
last 20 years200620173.6062.801-0.8047 0.2510-3.2060.0125

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC16.4738.000.83630.16045.2150.0004
ERL16.4747.001.04890.16046.540<0.0001

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  lead in sediment at Bann Estuary


Assessment plot

Assessment plot for  lead in sediment at Bann Estuary


Metals data

Metals data for assessment of  lead in sediment at Bann Estuary


Metals assessment

Metals assessment of  lead 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