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Seismic geomorphology of buried channel systems in the western South Huanghai Sea: retrodiction for paleoenvironments |
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| Authors: | KONG Xianghuai LIU Jian DU Yuansheng WEN Chun XU Gang |
| Affiliation: | 1. Faculty of Earth Sciences, China University of Geosciences, Wuhan 430074, China;Qindao Institute of Marine Geology, Ministry of Land and Resources, Qingdao 266071, China;Key Laboratory of Marine Hydrocarbon Resources and Environment Geology of Ministry of Land and Resources ,Qingdao 266071,China 2. Qindao Institute of Marine Geology, Ministry of Land and Resources, Qingdao 266071, China;Key Laboratory of Marine Hydrocarbon Resources and Environment Geology of Ministry of Land and Resources, Qingdao 266071, China 3. Faculty of Earth Sciences, China University of Geosciences, Wuhan 430074, China 4. College of Marine Geo-science, Ocean University of China, Qingdao 266100, China |
| Abstract: | Quantitative morphologic analysis of shallowly buried, dendritic channel systems in the continental shelf off the abandoned Huanghe River (Yellow River) mouth has been made based on interpretation of high resolution seismic profiles, with the attempt to estimate the paleo-hydrologic parameters when the incised-channels formed, then assess the paleoenvironment. The results indicate that the buried channel systems were formed about 44 cal ka BP when the shelf was subaerially exposed and subsequently drowned and filled during the Holocene transgression with the sea level rise continuously. The study area has experienced the processes from fluvial and estuarine to fully marine. |
| Keywords: | South Huanghai Sea (Yellow Sea) seismic geomorphology buried paleochannels paleoenvironment |
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