1) sea-floor valley
海底谷
2) submarine canyon
海底峡谷
1.
Impact of submarine canyons on time-depth conversion of deeper intervals and its elimination approach;
海底峡谷对深部地层时深转换的影响及其消除方法
2.
Topographical features such as the length,the bending level,the mean slope,the profile character and the water depth at the head and the tail of the submarine canyons on the East China Sea Slope were studied based on the multibeam bathymetric data acquired in the East China Sea from 1997 to 2001 and the collection of single-channel seismic profiles with high resolution.
利用1997—2001年在东海海域获得的多波束全覆盖测深数据和收集的部分高分辨率单道地震剖面,对东海陆坡海底峡谷的地形要素,如长度、弯曲度、平均坡度、剖面特征、头部和末端的水深等进行了详细的分析和统计。
3.
The graded beds have features indicative of gravity flow and turbidite channel deposition,and they are interpreted as representing carbonate submarine canyon system.
该沉积体以发育多级别的、典型正粒序沉积韵律为特征,构成生物碎屑灰岩的主要为异地搬运来的生物碎屑,它们具有明显的重力流色彩,是一种浊积水道沉积,将其解释为碳酸盐岩海底峡谷。
3) sea-floor canyon
海底峡谷
1.
By the SN direction from the top of the bay,it formed a sea-floor canyon,about 800m depth,which is continuous to the .
本文根据普里兹湾近岸的中山站附近海域概略水深 ,研究分析了地形基本概况 ,崎岖不平的中山站近海湾部水下地形 ,沿其湾顶部轴线SN向形成了一条绵延弯曲的水深达 80 0m以浅的海底峡谷 ,通往冰盖底部。
4) median valley
海底狭谷
5) pothole
[英]['pɔthəʊl] [美]['pɑt'hol]
海底圆谷
6) sea channel,submarine canyon
海底峡谷<地>
补充资料：海底峡谷
| 海底峡谷 submarine canyon 横剖面呈V字形的海底地形。发育于大陆边缘 ，主要在大陆坡上，头部多延伸至陆坡上部或陆架上，甚至接近海岸线，谷轴弯曲，支谷汊道甚多，形似陆上的峡谷。峡谷头部平均水深约100米，末端水深多在2000米左右，少数可深达3000～4000米。多数可延伸至大陆坡麓部 ，峡谷口常为缓斜的海底扇地形。 |
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参考词条