Projects

CSEMP assessment of mercury in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean119.7024.20-6.8513.70
linear219.3129.98-5.6611.312.387 10.1223
smooth (df = 2)318.4843.48-4.24 8.482.834 10.0923

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20062013-3.127-3.420-0.29300 0.17084-1.7150.1470
last 20 years20062013-3.127-3.420-0.29300 0.17084-1.7150.1470

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.032710.070000.76080.1178 6.4570.0007
ERL0.032710.150001.52300.117812.926<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  mercury in sediment at Fladen Ground


Raw data with assessment

Raw data with assessment of  mercury in sediment at Fladen Ground


Assessment plot

Assessment plot for  mercury in sediment at Fladen Ground


Metals data

Metals data for assessment of  mercury in sediment at Fladen Ground


Metals assessment

Metals assessment of  mercury in sediment at Fladen Ground


Related pages

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