Projects

CSEMP assessment of lead in sediment at Bann Estuary

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean189.1991.44-41.5983.19
linear281.4886.05-36.7473.489.709 10.0018
smooth (df = 2)383.3991.72-36.6973.390.091 10.7629
smooth (df = 3)480.8495.24-34.4268.844.547 10.0330

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620183.5992.743-0.8567 0.2147-3.9910.0032
last 20 years200620183.5992.743-0.8567 0.2147-3.9910.0032

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC15.5338.000.89500.13496.633<0.0001
ERL15.5347.001.10760.13498.209<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