Fichier:Maharloo Lake, Iran ESA23463799.jpeg
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Description
DescriptionMaharloo Lake, Iran ESA23463799.jpeg |
English: Maharloo Lake, a seasonal salt lake in Iran, is featured in this image captured by the Copernicus Sentinel-2 mission. Maharloo sits at an altitude of around 1400 m above sea level and is located around 27 km southeast of Shiraz, in southwest Iran. Yearly evaporation in the desert region is much greater than the yearly rainfall, meaning the lake is often very dry. Owing to the high evaporation rate, the lake’s bed has been covered by salt over time. This increased salinity in the lake’s waters has allowed certain algae to thrive and cover the surface. The water includes a variety of organisms that display colours ranging from pink to orange to red, with the strength of the colour differing in various periods of the year. Usually, the deeper the lake is, the darker the colours of the water. Given the lake is seasonal, water levels will drop in the summer and rise again in the winter. In this image, captured in June 2019, the lake appears dark orange which means that the lake is very shallow but still contains some water. In comparison, Maharloo was completely dry in June 2021. As is the case with many desert lakes, salt washed down from the surrounding mountains accumulates and can be seen in the image as a white crust along the lake’s shores. In some parts of the lake, facilities have been built for salt extraction (visible in this image along the southern shore). The lake’s excessive salinity prevents organisms, especially fish, from living in the lake. However, some birds migrate to Maharloo during the summer months, including flamingo. Shiraz, visible in the top-left of the image, is the fourth-most-populous city of Iran. Shiraz International Airport can be seen just south of the city. With its 13 spectral channels, the Copernicus Sentinel-2’s novel imager can capture water quality parameters such as the surface concentration of chlorophyll, detect harmful algal blooms, and measure turbidity (or water clarity) – giving a clear indication of the health and pollution levels. This image is also featured on the Earth from Space video programme. |
Date | 17 septembre 2021 (date de téléversement) |
Source | Maharloo Lake, Iran |
Auteur | European Space Agency |
Autres versions |
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Activity InfoField | Observing the Earth |
Mission InfoField | Sentinel-2 |
Set InfoField | Earth observation image of the week |
System InfoField | Copernicus |
Distinctions
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Conditions d’utilisation
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 2019
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
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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Ce fichier est soumis à la licence Creative Commons Attribution – Partage dans les Mêmes Conditions 3.0 IGO. Attribution: ESA, CC BY-SA IGO 3.0
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Date et heure | Vignette | Dimensions | Utilisateur | Commentaire | |
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actuel | 17 septembre 2021 à 11:51 | 4 857 × 4 487 (7,92 Mio) | OptimusPrimeBot | #Spacemedia - Upload of https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2021/09/maharloo_lake_iran/23463789-1-eng-GB/Maharloo_Lake_Iran.jpg via Commons:Spacemedia |
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Métadonnées
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Largeur | 10 980 px |
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Hauteur | 10 980 px |
Bits par composante |
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Schéma de compression | Non compressé |
Composition des pixels | RVB |
Orientation | Normale |
Nombre de composantes | 3 |
Résolution horizontale | 72 pt/po |
Résolution verticale | 72 pt/po |
Arrangement des données | Format tronçonné |
Logiciel utilisé | Adobe Photoshop 21.2 (Windows) |
Date de modification du fichier | 21 janvier 2021 à 09:11 |
Espace colorimétrique | Non calibré |
Date et heure de la numérisation | 24 janvier 2020 à 17:08 |
Date de la dernière modification des métadonnées | 21 janvier 2021 à 10:11 |
Identifiant unique du document original | xmp.did:e9b33f2b-0496-cd46-871d-02c41521d6f6 |