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Geomorphology and dynamics of a coastal transgressive dune system, central California
Physical Geography ( IF 1.1 ) Pub Date : 2021-07-01 , DOI: 10.1080/02723646.2021.1944462
Patrick Barrineau 1 , Vatche P. Tchakerian 2
Affiliation  

ABSTRACT

The Callendar dunes are located within the Santa Maria dune complex in south-central California and have been studied repeatedly since the pioneering work of Bowen and Inman in the 1960's. Previous conceptual models of the system’s Holocene evolution relate variations in dune morphologies to changes in sediment supply and sea level. In the years since their studies, conceptual frameworks of coastal and continental transgressive dune systems provide useful avenues for re-visiting the morphodynamic history of the Callendar dunes. Our study presents grain size and dune spacing data collected by Tchakerian and Mulligan in 1981, while working under Orme as graduate assistants. These data, when considered in light of the more recent conceptual frameworks mentioned above, suggest that the Callendar dunes may exhibit some elements of self-organization. With this in mind, we apply a conceptual model of coastal transgressive dune systems to help elucidate some of the historical morphodynamics influencing the modern arrangement of morphologies at the Callendar dunes.



中文翻译:

加利福尼亚中部海岸海侵沙丘系统的地貌和动力学

摘要

Callendar 沙丘位于加利福尼亚州中南部的圣玛丽亚沙丘群内,自 1960 年代 Bowen 和 Inman 的开创性工作以来,该沙丘已被反复研究。该系统全新世演化的先前概念模型将沙丘形态的变化与沉积物供应和海平面的变化联系起来。在他们研究之后的几年里,沿海和大陆海侵沙丘系统的概念框架为重新审视卡伦达沙丘的形态动力学历史提供了有用的途径。我们的研究展示了 Tchakerian 和 Mulligan 于 1981 年在 Orme 作为研究生助理时收集的粒度和沙丘间距数据。这些数据,当考虑到上面提到的最近的概念框架时,表明卡伦达沙丘可能表现出一些自组织的元素。

更新日期:2021-07-01
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