File:Mexico_City_ESA18926780.tiff
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DescriçãoMexico City ESA18926780.tiff |
English: The Copernicus Sentinel-1 mission takes us over Mexico City. This huge, densely-populated capital can be seen in the top right of the image. It is home to almost nine million people, with the Greater Mexico City area recording a population of over 21 million. This makes it the largest Spanish-speaking city in the world. This striking image has been created using three Copernicus Sentinel-1 acquisitions from 28 July, 27 August and 26 September 2018, overlaid in red, green and blue, respectively. Where we see explosions of colour, changes have occurred between the different acquisitions. In the left of the image, three bodies of water are shown in black: Villa Victoria, Valle de Bravo, and Tepetitlán. Water is significant to the development of Mexico City, which is thought to have been built over a lake by the Aztecs around 1325. Today, the city finds itself in a precarious situation in terms of water supply in spite of the regular flash floods and heavy rainfall it experiences during the wet season from June and September. In the top right, we can see the round structure of El Caracol meaning ‘the snail’ in Spanish. Currently used as a reservoir for industrial facilities within Mexico City, there are plans for this to become a wastewater treatment plant. A 62 km-long sewer tunnel is also due to begin operating this year. The Cumbres del Ajusco national park is shown to the southwest of the capital, in an area of the image that shows colourful dots forming a circle. Famous for being up to almost 4000 m above sea level at its highest elevation, it is one of many national parks surrounding the capital. Volcanoes are also dotted around this area. Popocatépetl, to the south east of Mexico City, last erupted in September 2018. Sentinel-1 is a two-satellite mission to supply the coverage and data delivery needed for Europe’s Copernicus environmental monitoring programme. The satellites each carry an advanced radar instrument to provide an all-weather, day-and-night supply of imagery of Earth’s surface. This image is also featured on the Earth from Space video programme. |
Data | Tirada em 2018 |
Origem | Mexico City |
Autor | European Space Agency |
Outras versões |
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Activity InfoField | Observing the Earth |
Mission InfoField | Sentinel-1 |
Set InfoField | Earth observation image of the week |
System InfoField | Copernicus |
Licenciamento
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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.
Atribuição: Contains modified Copernicus Sentinel data 2018
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. |
Attribution
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This media was created by the European Space Agency (ESA).
Where expressly so stated, images or videos are covered by the Creative Commons Attribution-ShareAlike 3.0 IGO (CC BY-SA 3.0 IGO) licence, ESA being an Intergovernmental Organisation (IGO), as defined by the CC BY-SA 3.0 IGO licence. The user is allowed under the terms and conditions of the CC BY-SA 3.0 IGO license to Reproduce, Distribute and Publicly Perform the ESA images and videos released under CC BY-SA 3.0 IGO licence and the Adaptations thereof, without further explicit permission being necessary, for as long as the user complies with the conditions and restrictions set forth in the CC BY-SA 3.0 IGO licence, these including that:
See the ESA Creative Commons copyright notice for complete information, and this article for additional details.
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![]() ![]() ![]() A utilização deste ficheiro é regulada nos termos da licença Creative Commons Atribuição-CompartilhaIgual 3.0 OIG. Atribuição: ESA, CC BY-SA IGO 3.0
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Data e hora | Miniatura | Dimensões | Utilizador | Comentário | |
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atual | 03h41min de 7 de junho de 2020 | ![]() | 14 576 × 9 198 (383,61 MB) | OptimusPrimeBot | #Spacemedia - Upload of https://esamultimedia.esa.int/img/2018/11/Mexico_City_S1_GRD_IW_multitemporal_jul-aug-sep-2018_H2.tif via Commons:Spacemedia |
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Metadados
Este ficheiro contém informação adicional, provavelmente adicionada a partir da câmara digital ou scanner utilizada para criar ou digitalizar a imagem. Caso o ficheiro tenha sido modificado a partir do seu estado original, alguns detalhes poderão não refletir completamente as mudanças efetuadas.
Largura | 14 576 px |
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Altura | 9 198 px |
Bits por componente |
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Esquema de compressão | Descomprimido |
Composição do píxel | RGB |
Localização dos dados da imagem | 29 942 |
Orientação | Normal |
Número de componentes | 3 |
Número de linhas por tira | 9 198 |
Bytes por tira comprimida | 402 210 144 |
Resolução horizontal | 72 ppp |
Resolução vertical | 72 ppp |
Arranjo de dados | formato irregular |
Software utilizado | Adobe Photoshop CC 2018 (Windows) |
Data e hora de modificação do ficheiro | 15h52min de 11 de outubro de 2018 |
Espaço de cores | sRGB |