File:Barents bloom.jpg
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DescriptionBarents bloom.jpg |
English: Although it may appear as a watercolour painting, this image is a natural-colour capture of a plankton bloom in the Barents Sea by the Sentinel-2A satellite.
Plankton, the most abundant type of life found in the ocean, are microscopic marine plants that drift on or near the surface of the sea. They are sometimes referred to as ‘the grass of the sea’ because they are the basic food on which all other marine life depends. Since plankton contain photosynthetic chlorophyll pigments, these simple organisms play a similar role to terrestrial ‘green’ plants in the photosynthetic process. Plankton are able to convert inorganic compounds such as water, nitrogen and carbon into complex organic materials. With their ability to ‘digest’ these compounds, they are credited with removing as much carbon dioxide from the atmosphere as their counterparts on land. As a result, the oceans have a profound influence on climate. Since plankton are a major influence on the amount of carbon in the atmosphere and are sensitive to environmental changes, it is important to monitor and model them into calculations of future climate change. Although some types of plankton are individually microscopic, the chlorophyll they use for photosynthesis collectively tints the colour of the surrounding ocean waters, providing a means of detecting these tiny organisms from space with dedicated sensors, such as Sentinel-2’s multispectral imager with 13 spectral bands. Some algae species are toxic or harmful. If they surge out of control during optimal blooming conditions they can exhaust the water of oxygen and suffocate larger fish. This phenomenon has dramatically increased in recent decades, and is particularly dangerous to fish farms because the fish cannot flee affected areas. Early warning of harmful blooms from satellites can help to prevent fish farmers from losing their stock, as it happened in Chile recently. This image, also featured on the Earth from Space video programme, was captured by Sentinel-2A on 30 June. |
Date | |
Source | http://www.esa.int/spaceinimages/Images/2016/08/Barents_bloom |
Author | European Space Agency |
Permission (Reusing this file) |
Contains modified Copernicus Sentinel data (2016), processed by ESA,CC BY-SA 3.0 IGO |
Other versions |
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Title InfoField | Barents bloom |
Keywords InfoField | Plankton; Algae; Ocean |
Set InfoField | Earth observation image of the week |
Mission InfoField | Sentinel-2 |
Activity InfoField | Observing the Earth |
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This image contains data from a satellite in the Copernicus Programme, such as Sentinel-1, Sentinel-2 or Sentinel-3. Attribution is required when using this image.
Attribution: Contains modified Copernicus Sentinel data {{{year}}}
Attribution
The use of Copernicus Sentinel Data is regulated under EU law (Commission Delegated Regulation (EU) No 1159/2013 and Regulation (EU) No 377/2014). Relevant excerpts:
Free access shall be given to GMES dedicated data [...] made available through GMES dissemination platforms [...].
Access to GMES dedicated data [...] shall be given for the purpose of the following use in so far as it is lawful:
GMES dedicated data [...] may be used worldwide without limitations in time.
GMES dedicated data and GMES service information are provided to users without any express or implied warranty, including as regards quality and suitability for any purpose. |
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current | 11:44, 14 January 2021 | ![]() | 8,647 × 10,180 (143.31 MB) | StellarHalo (talk | contribs) | Uploaded a work by European Space Agency from http://www.esa.int/spaceinimages/Images/2016/08/Barents_bloom with UploadWizard |
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Pixel composition | RGB |
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Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop CC 2015.5 (Windows) |
File change date and time | 17:09, 28 July 2016 |
Date and time of digitizing | 16:59, 13 July 2016 |
Color space | sRGB |
Date metadata was last modified | 19:09, 28 July 2016 |
Unique ID of original document | xmp.did:15a05945-f983-f84c-93f9-b042edbd4b8d |
IIM version | 2 |