报告题目：Uncovering Hurricane Harvey’s storm deposition in the Aransas National Wildlife Refuge, Texas
报告人：Dr. Qiang Yao（姚强）
报告人简介：
Dr. Qiang Yao为路易斯安那州立大学海洋与海岸系博士后，主要研究方向是古环境学、海岸生态学和孢粉学。
报告内容简介：
Few studies have documented the characteristics of storm deposits associated with a modern hurricane. Hurricane Harvey (2017) caused extensive flooding in coastal Texas due to a combination of storm surge and heavy precipitation. This study investigates the depositional process associated with Hurricane Harvey by means of loss-on-ignition (LOI) and X-ray fluorescence (XRF) analyses of 25 short cores collected from the Aransas National Wildlife Refuge ANWR, Texas. A distinct washover sand layer was recorded at all coring sites, and the intrusion of storm deposits can be detected by a peak in the chlorine/bromine (Cl/Br) ratio of most sediment cores. Our study shows that Cl/Br ratios are higher in coastal environments than in terrestrial environments, thereby confirming that this elemental ratio can be used as a salinity indicator and, as a corollary, evidence of marine intrusion into lower-salinity environments.
报告时间：2019年10月20日（周日）13:30-14:30
报告地点：临港基地B302会议室
邀请人：范代读 教授
欢迎大家参加！