Projects

CSEMP assessment of mercury in sediment at Irish Sea Buoy

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean137.1738.81-15.5831.17
linear236.7739.97-14.3828.772.401 10.1213
smooth (df = 2)338.2143.76-14.1028.210.559 10.4548
smooth (df = 3)439.2248.22-13.6127.220.994 10.3189

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall19992012-2.4656-2.9836-0.5180 0.3236-1.6010.1354
last 20 years19992012-2.4656-2.9836-0.5180 0.3236-1.6010.1354

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.050610.070000.32440.18401.7630.0517
ERL0.050610.150001.08650.18405.904<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  mercury in sediment at Irish Sea Buoy


Raw data with assessment

Raw data with assessment of  mercury in sediment at Irish Sea Buoy


Assessment plot

Assessment plot for  mercury in sediment at Irish Sea Buoy


Metals data

Metals data for assessment of  mercury in sediment at Irish Sea Buoy


Metals assessment

Metals assessment of  mercury in sediment at Irish Sea Buoy


Related pages

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