Projects

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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean112.5014.30-3.25 6.50
linear2 1.95 5.50 3.03-6.0512.550 10.0004
smooth (df = 2)3 2.28 8.53 3.86-7.72 1.665 10.1969
smooth (df = 3)4 4.1914.48 3.90-7.81 0.089 10.7655

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200220183.3064.6101.30480.28354.6030.0008
last 20 years200220183.3064.6101.30480.28354.6030.0008

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC100.53 36.00-1.0269 0.1857-5.5290.9999

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

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


Metals data

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


Metals assessment

Metals assessment of  nickel 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