File:Mount St Helens ESA362439.tiff
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DescriptionMount St Helens ESA362439.tiff |
English: Sentinel-2A captured this image of Mount St Helens in the US state of Washington on 8 February.
The active volcano is known for its 18 May 1980 eruption. The event claimed some 57 lives and damaged homes and infrastructure. The eruption was caused by an earthquake that lead to a massive landslide of the volcano’s north face, exposing it to lower pressures. The volcano then exploded, depositing widespread ash and melting the mountain’s snow, ice and glaciers that formed a number of volcanic mudslides – or lahars. Some of these lahars are still visible, particularly in the upper left in pink. In this false-colour image, snow cover appears light blue while pink represents areas with little to no vegetation. In the lower-central part of the image, we can see how snow cover ends in the rectangular areas as the elevation drops closer to the river. The rectangular areas show land division, possibly for timber extraction, with the blue and red areas revealing where the trees have been cleared. Sentinel-2 can be used to manage natural resources, to check rates of deforestation, reforestation and areas affected by wildfire. Information from Sentinel-2 can help governing bodies and commercial enterprises make informed decisions about how best to manage, protect and sustain our important forest resources. This image is also featured on theEarth from Space video programme. |
Date | |
Source | http://www.esa.int/spaceinimages/Images/2016/06/Mount_St_Helens |
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 | Mount St Helens |
Location InfoField | Washington |
Keywords InfoField | Volcanoes; Forests and deforestation |
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 | 12:11, 7 May 2017 | 4,558 × 4,582 (30.74 MB) | Fæ (talk | contribs) | == {{int:filedesc}} == {{information | description = {{en|1=Sentinel-2A captured this image of Mount St Helens in the US state of Washington on 8 February. The active volcano is known for its 18 May 1980 eruption. The event claimed some 57 lives and da... |
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Width | 4,558 px |
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Height | 4,582 px |
Bits per component |
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Compression scheme | LZW |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Number of rows per strip | 19 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CC 2015 (Windows) |
File change date and time | 17:36, 27 May 2016 |
Color space | sRGB |