远足
发表于 2025-3-27 00:59:05
Astoria Fan, Pacific Ocean. Well-developed channels cross the entire fan length; they display classic inner-fan leveed profiles but evolve into distributaries in the midfan area where the gradient decreases sharply. During periods of low sea level, inner- and middle-fan channels funnel sand to distal depositional sites in th
慎重
发表于 2025-3-27 01:41:23
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骨
发表于 2025-3-27 07:39:02
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acrobat
发表于 2025-3-27 13:08:58
La Jolla Fan, Pacific Oceanduces three upper fan distributary paths. The position of La Jolla Canyon is controlled by the geometry of a buried hard-rock structure. The northern Newport Canyon channels contain seismically detectable vertical stacks of channel sand bodies. Sediment from northern feeders and the central La Jolla
压倒性胜利
发表于 2025-3-27 15:51:08
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Fissure
发表于 2025-3-27 18:15:12
Monterey Fan, Pacific Oceanannels. The northern Ascension Canyon system is relatively inactive during high sea-level periods. In contrast, Monterey Canyon and its tributaries to the south cut across the shelf and remain active during high sea level. Deposition on the upper fan is controlled primarily by the relative activity
厚颜无耻
发表于 2025-3-28 00:44:30
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打折
发表于 2025-3-28 05:27:35
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正面
发表于 2025-3-28 06:40:38
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anticipate
发表于 2025-3-28 12:06:25
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