Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-71.08-69.6938.54 -77.08
linear2-69.75-67.0838.87 -77.75 0.671 10.4128
smooth (df = 2)3-81.27-76.7245.63 -91.2713.520 10.0002
smooth (df = 3)4-79.29-72.0945.65 -91.29 0.028 10.8676
smooth (df = 4)5-90.54-79.6552.27-104.5413.242 10.0003

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920185.3965.6830.286940.114152.5140.0288
last 20 years199920185.3965.6830.286940.114152.5140.0288

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC293.78122.00-0.8788 0.0845-10.4001.0000
ERL293.78150.00-0.6722 0.0845 -7.9551.0000

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

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


Metals data

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


Metals assessment

Metals assessment of  zinc 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