Projects

CSEMP assessment of mercury in sediment at Off Tyne

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean159.5563.15-26.7753.55
linear261.5469.54-26.7753.540.003 10.9584
smooth (df = 2)362.3679.02-26.1852.361.186 10.2761

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20022017-2.3429-2.31600.02690.50600.0530.9594
last 20 years20022017-2.3429-2.31600.02690.50600.0530.9594

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.098670.07000-0.3433 0.2742-1.2520.8714
ERL0.098670.15000 0.4189 0.2742 1.5270.0888

 


Raw data with supporting information

Raw data with supporting information for assessment of  mercury in sediment at Off Tyne


Raw data with assessment

Raw data with assessment of  mercury in sediment at Off Tyne


Assessment plot

Assessment plot for  mercury in sediment at Off Tyne


Metals data

Metals data for assessment of  mercury in sediment at Off Tyne


Metals assessment

Metals assessment of  mercury in sediment at Off Tyne


Related pages

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