It is shown from the analysis results of available shoreline monitoring data and historical observed data that the maxium erosion depth in the area during 1985 to 2004 has reached 7.5 m,the central location of intensive erosional area has undergone a shifting process from northwest to southeast,th...

黃河三角洲強侵蝕岸段岸線監(jiān)測資料與歷史資料分析研究結(jié)果表明免费乱伦黄色网站视频，1985-2004年該區(qū)最大侵蝕深度達(dá)7.5 mA级毛片久久精品免费看，其強侵蝕區(qū)中心位置經(jīng)歷了由西北向東南移動的過程a片www免费看，范圍不斷縮小色综合久久综合网88，目前局部地區(qū)已發(fā)生淤積現(xiàn)象。

The continental slope is marked is marked by a variety of slumping of sliding scars, erosional gullies, and debris flow deposits of turbidites.

宜蘭大陸棚為陸上宜蘭平原向外海的自然延伸。此陸棚呈扇狀亚洲不卡免费，陸棚寬度在蘭陽溪口附近寬約10公里亚洲口咬一级视频，至頭城及蘇澳附近則變窄為2公里左右。

This paper has firstly identified these genetic units on shore beach-shore face狼友官网首页二、longshore zone欧美快射视频合集、 longshore sands、erosional channel欧美俄罗斯插插性视频、leveed channel在线观看免费毛片、turbidite lobes、turbidite sheet人人干,人人摸人人草、slump大屌爆艹熟妇无码高清视频、debris flow、 density-modified grain flow etc; At the same time, and points out that the lake of Cretaceous is open-type fresh water lake.

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Because of the stratigraphic conditions of multi-lithologies and thin-bed association, unstability of lithofacies in the vertical and lateral direction, and the particalar conditions of seissmic geology in Inland Basins, Western China, a stratigraphic model of sedimentary facies in which there are many theoretical reflecting seismic interface does not completely display on the seismic section, especially the some the most important stratigraphic information such as toplap, onlap, progradation, erosional truncation and fill of channal, divergent, shingled, ect.

本文在研究了9類沉積相及相組合地層模型的地震模擬記錄后證明：現(xiàn)今流行的在地震剖面上劃分地震相進(jìn)而應(yīng)用國外海相地層反射模式再轉(zhuǎn)換為沉積相這一所謂&相面&方法完全不適用于西部陸相盆地沉積相地層模型的特點精品国产免费污网站入口，作者首次開辟了用速度參數(shù)国产无码专区视频，合成地震記錄、二維地層模型技術(shù)研究西部盆地地下沉積相的新途經(jīng)国产精av。

The tidal flat along Bohai Gulf extends from Haihe River Mouth to Dakou River. According to the results of field survey, the inter-tidal flat has obvious zonation. From the shore seawards, 4 zones can be identified, and they are depression polygon, inner depositional, erosional and outer depositional zones, and the associated sediment types are mud and clayey mud, mud, alternating laminae of silt and mud, and coarse silt, respectively.

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