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2010

304 record(s)
 
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From 1 - 10 / 304
  • '''This product has been archived''' For operationnal and online products, please visit https://marine.copernicus.eu '''Short description:''' This RRS product is defined as the ratio of upwelling radiance and downwelling irradiance at 412, 443, 490, 510, 560 and 665 nm wavebands (corresponding to MERIS), and can also be expressed as the ratio of normalized water leaving Radiance (nLw) and the extra-terrestrial solar irradiance (F0). The ESA Climate Change Initiative is a 2-part programme aiming to produce “climate quality” merged data records from multiple sensors. The Ocean Colour project within this programme has a primary focus on chlorophyll in open oceans, using the highest quality Rrs merging process to date. This uses a combination of bandshifting to a reference sensor and temporally-weighted bias correction to align independent sensors into a coherent and minimally-biased set of reflectances. These are derived from level 2 data produced by SeaDAS l2gen (SeaWiFS) and Polymer (MODIS, VIIRS, MERIS and OLCI-3A) , and the resulting Rrs bias corrected. '''Processing information:''' ESA-CCI Rrs raw data are provided by Plymouth Marine Laboratory, currently at 4km resolution. These are processed to produce CMEMS representations using the same in-house software as in the operational processing. The entire CCI data set is consistent and processing is done in one go. Both OC CCI and the REP product are versioned. Standard masking criteria for detecting clouds or other contamination factors have been applied during the generation of the Rrs, i.e., land, cloud, sun glint, atmospheric correction failure, high total radiance, large solar zenith angle (70deg), large spacecraft zenith angle (56deg), coccolithophores, negative water leaving radiance, and normalized water leaving radiance at 560 nm 0.15 Wm-2 sr-1 (McClain et al., 1995). For the regional products, a variant of the OC-CCI chain is run to produce high resolution data at the 1km resolution necessary. '''DOI (product) :''' https://doi.org/10.48670/moi-00077

  • Les bases sur les flux de mobilités professionnelles fournissent le nombre de personnes effectuant des déplacements entre leur lieu de domicile et leur lieu de travail.

  • Les bases sur les flux de mobilités scolaires fournissent le nombre de personnes effectuant des déplacements entre leur lieu de domicile et leur lieu d'études.

  • '''Short description:''' DTU Space produces polar covering Near Real Time gridded ice displacement fields obtained by MCC processing of Sentinel-1 SAR, Envisat ASAR WSM swath data or RADARSAT ScanSAR Wide mode data . The nominal temporal span between processed swaths is 24hours, the nominal product grid resolution is a 10km. '''DOI (product) :''' https://doi.org/10.48670/moi-00135

  • '''Short description :''' The OSTIA (Good et al., 2020) global sea surface temperature reprocessed product provides daily gap-free maps of foundation sea surface temperature and ice concentration (referred to as an L4 product) at 0.05deg.x 0.05deg. horizontal grid resolution, using in-situ and satellite data. This product provides the foundation Sea Surface Temperature, which is the temperature free of diurnal variability. '''DOI (product) :''' https://doi.org/10.48670/moi-00168

  • Position théorique du trait de côte (pied de dune) 2009 Aquitain sans les ouvrages (sauf ouvrages majeurs du Verdon, de l'Adour et de l'Artha à St-Jean-de-Luz) et description de l'aléa érosion. Concerne uniquement la côte sableuse.

  • '''This product has been archived''' For operationnal and online products, please visit https://marine.copernicus.eu '''Short description:''' For the Global ocean, the ESA Ocean Colour CCI surface Chlorophyll (mg m-3, 4 km resolution) using the OC-CCI recommended chlorophyll algorithm is made available in CMEMS format. L3 products are daily files, while the L4 are monthly composites. Processing of these data was mainly carried out in the OC-CCI framework producing a climate-quality consistent dataset using the latest and most complete knowledge of satellite sensor calibration, characterization and attitude, complete (as far as possible) ancillary data sets, latest versions of models and algorithms etc. The data were then repackaged, using custom software, to suit the requirements of CMEMS. The remote sensing of Ocean Colour represents a measure of the spectral variations in the light leaving the water surface, subsequently interpreted in terms of concentrations of optically-significant constituents in the water. The electromagnetic signal collected by the sensor on-board the satellite is largely determined by photons that have never reached the water surface, but have been backscattered within the atmosphere through multiple interactions between gas molecules and aerosols. After removing the atmospheric contribution, the water leaving radiance recorded at a given time by the satellite reflects the optical properties of the water which, in turn, mirrors a specific structure and biogeochemical composition of the marine waters. A detailed description of calibration & validation is given in the relevant QUID, associated validation reports and quality documentation. '''How to reference product:''' The User will ensure that the original product OCEANCOLOUR_GLO_OPTICS_L3_REP_OBSERVATIONS_009_064 -or value added products or derivative works developed from it including pictures- shall credit CMEMS and ESA/CCI by explicitly making mention of the originator in the following manner: ""Generated using Copernicus Marine and ESA/CCI Product"". For publication purposes, the User shall ensure that the credits mention CMEMS and ESA/CCI in the following manner: ""This study has been conducted using Copernicus Marine and ESA/CCI Product"". For all detailed information concerning the use of this product, see the Service Commitments and Licence on the Copernicus Marine website. '''Processing information:''' Processing of these data was mainly carried out in the OC-CCI framework producing a climate-quality consistent dataset using the latest and most complete knowledge of satellite sensor calibration, characterization and attitude, complete (as far as possible) ancillary data sets, latest versions of models and algorithms etc. The data were then repackaged, using custom software, to suit the requirements of CMEMS. '''Description of observation methods/instruments:''' The remote sensing of Ocean Colour represents a measure of the spectral variations in the light leaving the water surface, subsequently interpreted in terms of concentrations of optically-significant constituents in the water. The electromagnetic signal collected by the sensor on-board the satellite is largely determined by photons that have never reached the water surface, but have been backscattered within the atmosphere through multiple interactions between gas molecules and aerosols. After removing the atmospheric contribution, the water leaving radiance recorded at a given time by the satellite reflects the optical properties of the water which, in turn, mirrors a specific structure and biogeochemical composition of the marine waters. '''Quality / Accuracy / Calibration information:''' The user is referred to the QUID documentation '''Suitability, Expected type of users / uses:''' This product is meant for use for educational purposes and for the managing of the marine safety, marine resources, marine and coastal environment and for climate and seasonal studies. '''DOI (product) :''' https://doi.org/10.48670/moi-00103

  • Attention : Les données communiquées ici ne le sont qu’à titre informatif. Les délimitations parcellaires officielles sont celles consultables sur les plans déposés en mairie ou auprès des services de l’INAO. A noter également que l’ensemble des délimitations parcellaires des AOC viticoles ne sont pas encore représentées, le travail de dématérialisation étant en cours. Selon les règlements européens 510/2006 du 6 mars 2006 et 1234/2007, le cahier des charges des appellations définit l’aire géographique des produits enregistrés en AOP ou en IGP. Au sein de cette aire est incluse une aire parcellaire correspondant à l’aire de production de la matière première. L'aire parcellaire délimitée correspondant à une délimitation reposant sur les limites administratives du cadastre (les parcelles) et dont le maillage suffisamment fin permet de tenir compte de variations très localisées des éléments du milieu physique. Cette délimitation est utilisée essentiellement pour les AOP et IGP viticoles et correspond dans ce cas à l’aire de production de la matière première. Quelques autres produits en AOP concernent d’autres productions agricoles telles que des huiles d’olives, des noix, des oignons…

  • Position théorique du trait de côte (pied de dune) estimée en 2020, sans les ouvrages (sauf ouvrages majeurs du Verdon, de l'Adour et de l'Artha à St-Jean-de-Luz), uniquement sur la côte sableuse. (métadonnée en cours)

  • This product attempt to follow up on the sea level rise per stretch of coast of the North Atlantic, over past 100 years as follows: • Characterization of absolute sea level trend at annual resolution, along the coasts of EU Member States (including Outermost Regions), Canada, Faroes, Greenland, Iceland, Mexico, Morocco, Norway and USA; The stretchs or coast are defined by the administrative regions of the Atlantic Coast: • from NUTS3** administrative division for EU countries (see Eurostat), and • from GADM*** administrative divisions for non-EU countries. ** Third level of Nomenclature of Territorial Units for Statistics *** Global Administrative Areas For relative sea level trend for 100 years we extract the information from available tide gauge sea level data for each stretch of Coast. The product is Provided in tabular form and as a map layer.