首页> 外文会议>International on Coastal Sediments Processes >MORPHODYNAMIC DEVELOPMENT OF A WAVEDOMINATED SHELF DURING HOLOCENE (WESTERN SARDINIA, MEDITERRANEAN SEA)
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MORPHODYNAMIC DEVELOPMENT OF A WAVEDOMINATED SHELF DURING HOLOCENE (WESTERN SARDINIA, MEDITERRANEAN SEA)

机译:全新世(西部撒丁岛,地中海)的挥手架的形态学开发

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The morphodynamic evolution, during Holocene, of a wave dominated, starved shelf is presented This shelf sector is characterized by the occurrence of wide bedrock outcrops, transgressive sedimentary bodies formed by submerged depositional terraces (SDT) associated to sorted bedforms and drowned barrier-lagoon systems (BLS). The formation of transgressive depositional bodies was first controlled by the inherited topography, which influenced the accommodation space with the subsequent formation of depositional terraces, barriers and back-barrier lagoonal-deltaic deposits. This wave-dominate shelf shows a rapid adaptation to sea-level rise, with the formation of coastal morphosedimentary features over a short time periods. The STD where formed in a time range of 2 ka and the BLS in a time range of 1 ka, with a sea level rise rate in the order of 10-15 mm y~(-1).
机译:在主导的波浪主导,饥饿的货架上的全新世时代的形态学演变是该架子部门的特征在于宽基岩露头的发生,由淹没沉积梯田(SDT)形成的潜水沉积体(SDT),与分拣弯曲和淹没的障碍泻湖系统相关联 (BLS)。 近迁移沉积体的形成是由继承的地形控制的,这通过后续形成沉积露台,屏障和背部屏障泻孔沉积物影响了容纳空间。 这款波浪主导的货架表现出对海平面上升的快速适应,在短时间内形成沿海形态学特性。 在1ka的时间范围内形成在2ka的时间范围和BLS的时间范围内,海平面上升速率为10-15mm y〜(-1)。

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