Skip to main content

Change your cookie settings

We cannot change your cookie settings at the moment because JavaScript is not running in your browser. To fix this, try:

  1. turning on JavaScript in your browser settings
  2. reloading this page
View cookies

Change your cookie settings

We cannot change your cookie settings at the moment because JavaScript is not running in your browser. To fix this, try:

  1. turning on JavaScript in your browser settings
  2. reloading this page
View cookies
  1. Home
  2. Search
  3. Monthly average non-algal Suspended Particulate Matter concentrations on the UK shelf waters

Monthly average non-algal Suspended Particulate Matter concentrations on the UK shelf waters

Summary

Spatially gridded, monthly average of non-algal Suspended Particulate Matter (SPM). Based on satellite derived Ifremer OC5 algorithm (Gohin et al 2011). Interpolated and merged data from SeaWiFS, MODIS, MERIS and VIIRS satellite sensors.

Categories

Keywords

N/A

Use limitation statement

There are no public access constraints to this data. Use of this data is subject to the licence identified.

Attribution statement

See Cefas Data Portal for details – link to dataset below.

Technical information

Update frequency

asNeeded

Lineage

Based on Gohin et al (2005) OC5 algorithm that jointly estimates the load of Chlorophyll and non-algal suspended particulate matter. This algorithm has been validated against in-situ coastal observations for the English Channel and Bay of Biscay (Gohin, 2011) and modified to merge multiple sensors (Saulquin et al. 2011): SeaWiFS from 1998-2002; MODIS + MERIS, January 2003-March 2012 and MODIS + VIIRS from April 2012 to the present. The daily products generated from multiple sensors and interpolated to 1.1 km were extracted from ifremer’s ftp site: `ftp://ftp.ifremer.fr/ifremer/cersat/products/gridded/ocean-color/atlantic/EUR-L4-SPIM-ATL-v01/`_ . The data extends from 13°W to 12°E and 36°N to 60°N. This covers the continental shelf in UK waters to the exception of the Faroe-Shetland channel North of 60°N). The daily images of non-algal SPM from 1/1/1998 to 31/12/2015 were averaged into 12 monthly means for the 18 years (216 fields). These were used to calculate a climatological average (Figure 7) as well as a climatological monthly averages (see Appendix A). The yearly anomaly was calculated as the difference between the yearly average and the climatological mean (see Appendix B). The several satellites have been cross calibrated but caution should be used when comparing average values from SeaWiFS (1998-2002) with more modern sensors (Gohin, pers. comm.). .. _`ftp://ftp.ifremer.fr/ifremer/cersat/products/gridded/ocean-color/atlantic/eur-l4-spim-atl-v01/`: ftp://ftp.ifremer.fr/ifremer/cersat/products/gridded/ocean-color/atlantic/EUR-L4-SPIM-ATL-v01/

Spatial information

Coordinate reference system

N/A

Geographic extent

  • Latitude from: 46.5 to 60
  • Longitude from: -16 to 13
Metadata information

Language

English

Metadata identifier

6d417e9c-50a8-4be0-b48d-ad7572acbc9d


Published by

Centre for Environment, Fisheries & Aquaculture Science

Contact publisher

data.manager@cefas.gov.uk

Dataset reference dates

Creation date

27 September 2016

Revision date

26 May 2023

Publication date

28 September 2016

Period

  • From: 01 January 1998
  • To: 31 December 2015

Search

Data and Supporting Information
Data services and download by area of interestLinkAction
The Cefas Data Portal contains metadata records and data sets available to download and connect to in support of our commitment to open science. Data is available in the following formats: Binary download.Open link