Projects

CSEMP assessment of mercury in sediment at Cosheston Point (Milford Haven)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean144.4246.67-19.2138.42
linear245.1949.77-18.6037.191.227 10.2680
smooth (df = 2)346.5654.90-18.2836.560.632 10.4267
smooth (df = 3)445.6560.05-16.8233.652.916 10.0877

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20022014-1.9024-2.1482-0.24576 0.21599-1.1380.2846
last 20 years20022014-1.9024-2.1482-0.24576 0.21599-1.1380.2846

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.11670.0700-0.5111 0.1369-3.7330.9977
ERL0.11670.1500 0.2511 0.1369 1.8340.0499

 


Raw data with supporting information

Raw data with supporting information for assessment of  mercury in sediment at Cosheston Point (Milford Haven)


Raw data with assessment

Raw data with assessment of  mercury in sediment at Cosheston Point (Milford Haven)


Assessment plot

Assessment plot for  mercury in sediment at Cosheston Point (Milford Haven)


Metals data

Metals data for assessment of  mercury in sediment at Cosheston Point (Milford Haven)


Metals assessment

Metals assessment of  mercury in sediment at Cosheston Point (Milford Haven)


Related pages

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