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Ficheiro:Lake MacKay Australia.jpg

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Resumo

Descrición
English: Lake Mackay, Australia, by Copernicus Sentinel-2B satellite.

Brown hills speckle the eastern part of Australia’s Lake Mackay in this satellite image.

Located on the border of the states of Western Australia and Northern Territory, the salt lake only sees water after seasonal rainfall – if at all. It is classified as an ephemeral lake, meaning it exists only after precipitation. This is not the same as a seasonal lake, which sees water for longer periods.

About half of Australia's rivers drain inland and often end in ephemeral salt lakes.

The greens and blues in this image show desert vegetation or algae, soil moisture and minerals – mainly salt. On some of the brown ‘islands’ and on the shore in the lower right, we can see the east–west sand ridges forming lines in the landscape.

The lake lies at the edge of the Great Sandy Desert, which covers nearly 285,000 sq km. Roads are scarce in the area, and often frequented by four-wheel drive adventurers. Roads include the Canning Stock Route about 300 km to the west of the image, or Tanami Track connecting Australia’s Stuart Highway to the Great Northern Highway around 300 km to the east.
Español: Lago Mackay, Australia, fotografiado por el satélite Copernicus Sentinel-2B.

Colinas marrones se esparzan a través del lado oriental del lago Mackay, Australia.

Ubicado en la frontera del estado de Australia Occidental y el Territorio del Norte, el lago recibe agua solamente después de las lluvias estacionales, si acaso. Se clasifica como un lago efímero, lo cual indica que existe únicamente como resultado de la precipitación. En cambio, un lago estacional recibe agua por periodos más largos.

Casi la mitad de los ríos de Australia drenan en el interior y desembocan frecuentemente en lagos de salado efímeros.

Las partes de colores verde y azul en esta imagen indican la presencia de vegetación del desierto, alga, la humedad de tierra y minerales, principalmente sal. En algunas de las islitas marrones y a la orilla en el lado inferior derecho, se pueden ver unas crestas de arena que corren al lado oriental al occidental formando líneas rectas en el paisaje.

Se encuentra el lago al filo del Gran Desierto Arenoso, lo cual abarca casi 285.000 kilómetros cuadrados. Caminos son escasos en el región y son frecuentados por aventureros que manejan todoterrenos. Algunos caminos son la Ruta Canning Stock aproximadamente 300 km al oeste fuera del imagen, y la Pista Tanami aproximadamente 300 km al este, la cual conecta la autopista nacional Stuart a la Gran Autopista del Norte.
Data
Orixe http://www.esa.int/spaceinimages/Images/2017/04/Lake_MacKay_Australia
Autoría ESA / Copernicus Sentinel
Outras versións
  • TIFF
    TIFF
Localización da cámara22° 29′ 03,58″ S, 128° 53′ 43,77″ L Kartographer map based on OpenStreetMap.Esta e outras imaxes na súa localización en: OpenStreetMapinfo

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Este ficheiro, originalmente carregado no site http://www.esa.int/spaceinimages/Images/2017/04/Lake_MacKay_Australia, foi revisto em 6 de maio de 2017 pelo administrador ou revisor Daphne Lantier, que confirmou que o ficheiro estava disponível naquela data com a licença especificada.
© 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.
Recoñecemento: Contains modified Copernicus Sentinel data 2017

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coordenadas do punto de vista

22°29'3.584"S, 128°53'43.775"E

Historial do ficheiro

Prema nunha data/hora para ver o ficheiro tal e como estaba nese momento.

Data/HoraMiniaturaDimensiónsUsuarioComentario
actual5 de maio de 2017 ás 11:00Miniatura da versión ás 11:00 do 5 de maio de 20174.101 × 3.288 (9,87 MB)YannHR from TIFF, 98% compression
5 de maio de 2017 ás 10:51Miniatura da versión ás 10:51 do 5 de maio de 20171.920 × 1.539 (3,01 MB)YannTransferred from http://www.esa.int/var/esa/storage/images/esa_multimedia/images/2017/04/lake_mackay_australia/16906510-1-eng-GB/Lake_MacKay_Australia.jpg

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