Marine Environment Monitoring and Assessment National database (MERMAN)
Location of station  MorayF_OuterCromartyFirth_se05 (Cromarty Firth @ dispersed 4)
Location of station at Cromarty Firth @ dispersed 4 ©

CSEMP assessment of chromium in sediment at Cromarty Firth @ dispersed 4

Statistical analysis

Details

Media : Sediment (<63 micron fraction)
Station : MorayF_OuterCromartyFirth_se05 (Cromarty Firth @ dispersed 4)
Determinand : Chromium
Units : mg kg -1 dry weight normalised to 5% aluminium
Data extraction : 1 September 2014

Trend assessment

Analysis of variance

 DfSum SqMean SqF ValuePr(>F)
linear10.02518010.025180192.20.0008127
residual30.00039310.000131

Change in last fifteen years

 ConcLog ConcStd. Errort valuePr(>|t|)
200653.19 3.97390.01017
201266.71 4.20040.01089
Diff25.41%0.22650.0163413.860.0008127

Status assessment

 Fitted ConcRef ConcLog FitLog RefDiffStd. Errort valuePr(>t)
ERL66.71814.24.3940.19410.0108917.820.0001927

 


Raw data with supporting information

Raw data with supporting information for assessment of  chromium in sediment at Cromarty Firth @ dispersed 4


Raw data with assessment

Raw data with assessment of  chromium in sediment at Cromarty Firth @ dispersed 4


Assessment plot

Assessment plot for  chromium in sediment at Cromarty Firth @ dispersed 4


Metals data

Metals data for assessment of  chromium in sediment at Cromarty Firth @ dispersed 4


Metals assessment

Metals assessment of  chromium in sediment at Cromarty Firth @ dispersed 4


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