Geomorphology and dynamics of a coastal transgressive dune system, central California

IF 1.1 4区地球科学 Q4 ENVIRONMENTAL SCIENCES

Physical Geography Pub Date : 2021-07-01 DOI:10.1080/02723646.2021.1944462

P. Barrineau, V. P. Tchakerian

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引用次数: 4

Abstract

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.

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加利福尼亚州中部海岸海侵沙丘系统的地貌和动力学

卡伦达沙丘位于加州中南部的圣玛丽亚沙丘群内，自20世纪60年代鲍恩和因曼的开创性工作以来，人们对它进行了多次研究。以前关于该系统全新世演化的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。自他们的研究以来，海岸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。我们的研究采用了Tchakerian和Mulligan在1981年作为研究生助理在Orme手下工作时收集的粒度和沙丘间距数据。这些数据，当考虑到以上提到的最新概念框架时，表明Callendar沙丘可能表现出一些自组织的元素。考虑到这一点，我们应用海岸海侵沙丘系统的概念模型来帮助阐明影响卡伦达沙丘现代形态排列的一些历史形态动力学。

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来源期刊

Physical Geography 地学-地球科学综合

CiteScore

3.60

自引率

0.00%

发文量

审稿时长

6 months

期刊介绍： Physical Geography disseminates significant research in the environmental sciences, including research that integrates environmental processes and human activities. It publishes original papers devoted to research in climatology, geomorphology, hydrology, biogeography, soil science, human-environment interactions, and research methods in physical geography, and welcomes original contributions on topics at the intersection of two or more of these categories.