File:Laizhou Bay, China ESA23271000.jpeg
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摘要
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描述Laizhou Bay, China ESA23271000.jpeg |
English: The Copernicus Sentinel-2 mission takes us over the sediment-stained waters in Laizhou Bay, located on the southern shores of the Bohai Sea, on the east coast of mainland China. Zoom in to see this image at its full 10 m resolution or click on the circles to learn more about the features in it. The bay is the smallest of three main bays of the Bohai Sea, and is named after the city of Laizhou, visible to the east. Large quantities of sediment carried by the Yellow River, visible in the left of the image, discolour the waters of the bay and appear turquoise. This sediment can be seen throughout the waters in this image, even far from the coast. The Yellow River is China’s second longest river, with a length of over 5400 km, and is surpassed only by the Yangtze River. The river rises in the Bayan Har Mountains in Western China and flows through nine provinces before emptying into the Laizhou Bay. Its drainage basin is the third largest in the country, with an area of around 750 000 sq km. The river is estimated to carry 1.6 billion tonnes of silt annually, carrying the majority to the sea. Owing to this heavy load of silt, the Yellow River deposits soil in stretches, ultimately elevating the river bed. Excessive sediment deposits have raised the river bed several metres above the surrounding ground, sometimes causing damaging floods. On the southern coast of Laizhou Bay, in the bottom of the image, flooded fields are visible and are most likely artificial fish farms. The city of Dongying, home to the second largest oilfield in China, is visible in the left of the image. This image was processed in a way that included the near-infrared channel, which makes vegetation appear bright red. The lush vegetation can be distinguished from the brown fields in the image, which are unharvested or not yet fully grown. Copernicus Sentinel-2 is a two-satellite mission. Each satellite carries a high-resolution camera that images Earth’s surface in 13 spectral bands. The mission is mostly used to track changes in the way land is being used and to monitor the health of vegetation. This image, acquired on 26 February 2020, is also featured on the Earth from Space video programme. |
日期 | 2021年4月23日 (上传日期) |
来源 | Laizhou Bay, China |
作者 | European Space Agency |
其他版本 |
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Activity InfoField | Observing the Earth |
Mission InfoField | Sentinel-2 |
Set InfoField | Earth observation image of the week |
System InfoField | Copernicus |
许可协议
此图像包含来自哥白尼计划中的卫星的数据,例如哨兵1号、哨兵2号或哨兵3号。使用此图片时需要注明出处。
署名: 包含修改后的哥白尼哨兵数据2020
Attribution
哥白尼哨兵数据的使用受欧盟法律监管(委员会授权条例 (EU) No 1159/2013和条例 (EU) No 377/2014)。相关摘录:
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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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本文件采用知识共享署名-相同方式共享 3.0 政府间组织许可协议授权。 署名: ESA, CC BY-SA IGO 3.0
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知识共享署名-相同方式共享3.0政府间组织 简体中文(已转写)
23 4 2021
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文件历史
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日期/时间 | 缩略图 | 大小 | 用户 | 备注 | |
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当前 | 2021年4月23日 (五) 10:27 | 19,600 × 14,192(10.91 MB) | OptimusPrimeBot | #Spacemedia - Upload of https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2021/04/laizhou_bay_china/23270990-1-eng-GB/Laizhou_Bay_China.jpg via Commons:Spacemedia |
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方向 | 正常 |
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水平分辨率 | 72 dpi |
垂直分辨率 | 72 dpi |
使用软件 | Adobe Photoshop CS4 Windows |
文件修改日期时间 | 2020年11月19日 (四) 13:34 |
色彩空间 | 未标定 |
图像宽度 | 19,600 px |
图像高度 | 14,192 px |
数字化日期时间 | 2020年11月17日 (二) 19:04 |
元数据最后修改日期 | 2020年11月19日 (四) 14:34 |
原始文件唯一ID | xmp.did:69BAFDFDF628EB11942FC98019B03E95 |
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