Layer contains features with time values

Metals - Lead (Pb) in Biota from 2013 (time-aware)

Marine Scotland Information NMPi icon

Marine Environmental Assessment Group data for organic contaminants, metals, biological effects and water chemistry collected for the Clean Seas Environment Monitoring Programme (CSEMP). Sediment and biota samples are analysed for organic contaminants (PAHs, PCBs and PBDEs) and trace metals. Biological effects are also measured in biota. Nutrients are measured in water samples. This layer shows the assessments from the UK Marine Environment Monitoring and Assessment National (MERMAN) database for reporting lead in biota.

All data prior to 2011 is stored on the MSS Contaminants database, all data from 2012 is on LIMS. All data is submitted to the UK Merman database.

Metals - Cadmium (Cd) in Biota from 2013 (time-aware)

Marine Scotland Information NMPi icon

Marine Environmental Assessment Group data for organic contaminants, metals, biological effects and water chemistry collected for the Clean Seas Environment Monitoring Programme (CSEMP). Sediment and biota samples are analysed for organic contaminants (PAHs, PCBs and PBDEs) and trace metals. Biological effects are also measured in biota. Nutrients are measured in water samples. This layer shows the assessments from the UK Marine Environment Monitoring and Assessment National (MERMAN) database for reporting Cadmium in biota.

All data prior to 2011 is stored on the MSS Contaminants database, all data from 2012 is on LIMS. All data is submitted to the UK Merman database.

AIS Shipping Traffic - Average weekly density of all vessel types 2012 - 2017 (time aware)

Marine Scotland Information NMPi icon

Automatic Identification System (AIS) is a maritime navigation safety communications system adopted by the International Maritime Organization (IMO) to provide vessel information, primarily for the purposes of maritime safety. AIS data are collected by various organisations and can be analysed to provide a source of spatial information about vessel movements within the geographical limits of the system. This layer shows the average weekly shipping density, of all vessel types, for northern UK at 2km grid resolution, featuring multiple years for NMPi's time-aware functionality.

AIS datasets were sampled from the first seven days of each month, commencing with January, at monthly intervals. The total value for all 12 weeks was divided by 12 to determine the weekly average, therefore decimal values may occur for certain cells. The weekly average was also multiplied by 52 to provide the estimated annual average.

AIS Shipping Traffic - Average weekly density of vessels engaged in dredging or underwater operations 2012 - 2017 (time aware)

Marine Scotland Information NMPi icon

Automatic Identification System (AIS) is a maritime navigation safety communications system adopted by the International Maritime Organization (IMO) to provide vessel information, primarily for the purposes of maritime safety. AIS data are collected by various organisations and can be analysed to provide a source of spatial information about vessel movements within the geographical limits of the system. This layer shows the average weekly shipping density, of vessels engaged in dredging or underwater operations, for northern UK at 2km grid resolution, featuring multiple years for NMPi's time-aware functionality.

AIS datasets were sampled from the first seven days of each month, commencing with January, at monthly intervals. The total value for all 12 weeks was divided by 12 to determine the weekly average, therefore decimal values may occur for certain cells. The weekly average was also multiplied by 52 to provide the estimated annual average.

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