The congested shipping lanes along the coast of Shangdong Peninsula are visible in this Landsat 8 image captured on Feb. 24, 2015. The volume of shipping between the Yellow Sea and Bohai Sea, which connects the Chinese ports of Dalian and Tianjin, necessitates southbound and northbound lanes.
The shallow coastal waters here help define the lanes as ship propellers churn up sediment and create tracks along the coast. This orderly flow of traffic helps reduce ship collisions and groundings.
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