贾国东 - 同济大学 - 海洋与地球科学学院

个人简介

教育背景 1995-1998 中国地质大学（北京）博士生 1992-1995 中国地质大学（北京）硕士生 1988-1992 东北大学本科生工作经历 2015-今：同济大学海洋与地球科学学院教授 2000-2015：中国科学院广州地球化学研究所副研究员/研究员 2006.12-2007.11：英国Bristol大学访问学者 1998-2000：中国科学院广州地球化学研究所博士后研究项目 2010年以来国家自然科学基金, 重点项目, 42030504, 南海浮游生态系统对上新世暖期气候的响应及其机制研究, 2021-2025, 主持国家自然科学基金, 面上项目, 41676030, 运用叶蜡脂肪酸C-14研究粤西近岸沉积物的来源与运移过程, 2017-2020, 主持科技部, 重点研发项目子课题, 2016YFA0601100, 末次冰消期以来碳氮循环与全球变化的关系研究, 2016-2021, 参加国家自然科学基金, 面上项目, 41276072, 微生物四醚类脂物在南海北部沿海的地球化学特征与环境意义, 2013-2016, 主持中国科学院, 先导专项子课题, XDB03020101, 青藏高原同位素高度计重建与古高度估算, 2012-2017, 主持 NSFC/RGC联合项目, 41061160498, 伶仃洋及邻近海域与富营养化和水体缺氧有关的一些生物地球化学过程及其沉积记录, 2011-2013, 主持中国科学院, 先导专项子课题, XDA05080404, 湖光岩玛珥湖记录的过去2000年气候变化, 2011-2015, 参加国家自然科学基金面上项目, 40976034, 北太平洋晚新生代风尘沉积中陆地植被变迁的有机地球化学记录, 2010-2012, 主持科技部，“973”项目子课题, 2009CB421206, 海洋酸化历史与现状评估, 2009-2013, 参加国家自然科学基金面上项目, 40876028, 南海晚第四纪古海洋氮同位素演变机理研究, 2009-2011, 主持

研究领域

主要从事海洋环境演变与海陆交互过程的有机地球化学研究，通过现代过程和沉积序列中生物有机分子的分析，揭示全球变化的过程、历史，及有关的生物地球化学响应。具体研究内容有： 1、古海洋与古环境的有机地球化学代用指标研究，包括其现代过程与地质应用 2、运用生物有机分子（脂质类、蛋白质-氨基酸、糖类等）及其碳/氮/氢同位素重建海洋生态系统变化历史 3、河流-河口-海洋连续体的有机分子迁移转化过程

近期论文

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The nature, timescale, and efficiency of riverine export of terrestrial organic carbon in the (sub)tropics: Insights at the molecular level from the Pearl River and adjacent coastal sea Archaeal tetraether lipids and their biphytane carbon isotope composition in sediments along an estuarine biogeochemical gradient The distribution of intact polar lipid-derived branched tetraethers along a freshwater-seawater pH gradient in coastal East China Sea Evaluation of heterocyte glycolipids with a hexose sugar moiety for tracing terrestrial organic matter in the South China Sea Anthropogenic Perturbations Change the Quality and Quantity of Terrestrial Carbon Flux to the Coastal Ocean Concomitant changes of lipid biomarker and water column mixing since mid-Holocene Ancient hydrocarbon slicks recorded by a coral atoll in the South China Sea Upper intermediate layer-derived brGDGTs revealed from surface sediments along an elevation transect of a seamount Holocene warming trend based on peat brGDGTs records from southeastern humid to northwestern arid China Mangrove sediment erosion in the Sunda Shelf during meltwater pulses: Insights from biomarker records Distribution characteristics of terrestrial and marine lipid biomarkers in surface sediment and their implication for the provenance and palaeoceanographic application in the northern South China Sea Last glacial terrestrial vegetation record of leaf wax n-alkanols in the northern South China Sea: Contrast to scenarios from long- chain n-alkanes Anthropogenic perturbations to the fate of terrestrial organic matter in a river-dominated marginal sea Influence of water conditions on peat brGDGTs: A modern investigation and its paleoclimatic implications A multi-stable isotopic constraint on water column oxygen sinks in the Pearl River Estuary, South China Seasonal succession and spatial heterogeneity of the nekton community associated with environmental factors in Hangzhou Bay, China In-situ provenance of brGDGTs in peat sediments: A case study from southern China and a comparison of global results 湖泊水位记录支持中国北方全新世中期降水达到最高值 Continental-Scale Long-Term Holocene Warming Trend Based on P Eat Brgdgts Records from Southeastern Humid to Northwestern Arid China Photosynthetic Production Determines Bottom Water Oxygen Variations in the Upwelling Coastal South China Sea Over Recent Decades Unusual aliphatic hydrocarbon profiles at hydrothermal vent fields of the Central and Southeast Indian Ridges and Mid-Indian Basin Novel lake-level records support a mid-Holocene maximum precipitation in northern China The Silurian-Devonian boundary in East Yunnan (South China) and the minimum constraint for the lungfish-tetrapod split 中亚阿尔泰山南坡表土和泥炭沉积物GDGTs综合研究 Consistent long-term Holocene warming trend at different elevations in the Altai Mountains in arid central Asia CO2-Induced Decoupling of Tropical Surface and Thermocline Water Temperature at the Onset of Interglacials Operational Laboratory Methods for GDGTs Groups Separation Comparison of the U K 37 , LDI, TEX H 86 , and RI-OH temperature proxies in sediments from the northern shelf of the South China Sea Sedimentary core brGDGTs in the East China Sea are mainly produced in situ as evidenced by their similar distributions with brGDGTs derived from intact polar lipids Ice formation on lake surfaces in winter causes warm-season bias of lacustrine brGDGT temperature estimates Dispersal and aging of terrigenous organic matter in the Pearl River Estuary and the northern South China Sea Shelf Long chain 1,14-diols as potential indicators for upper water stratification in the open South China Sea Controlling factors and environmental significance of BIT and δ13C of sedimentary GDGTs from the Pearl River Estuary, China over recent decades Late Eocene–Oligocene High Relief Paleotopography in the North Central Tibetan Plateau: Insights From Detrital Zircon U–Pb Geochronology and Leaf Wax Hydrogen Isotope Studies Sedimentary records of nitrogen isotope in the western tropical Pacific linked to the eastern tropical Pacific denitrification during the last deglacial time Cyclisation degree of tetramethylated brGDGTs in marine environments and its implication for source identification Evaluation of environmental proxies based on long chain alkyl diols in the East China Sea Peat brGDGTs-based Holocene temperature history of the Altai Mountains in arid Central Asia Comparison of the U₃₇^K′, LDI, TEX₈₆^H and RI-OH temperature proxies in the northern shelf of the South China Sea Nitrogen Fixation Changes Regulated by Upper Water Structure in the South China Sea During the Last Two Glacial Cycles Spatiotemporal variation of organic geochemical properties since the mid-Miocene in the deep South China Sea (IODP Expedition 349) Assessment of sedimentary heterocyst glycolipids as tracers of freshwater input to the Changjiang Estuary and East China Sea Synchronous change of temperature and moisture over the past 50 ka in subtropical southwest China as indicated by biomarker records in a crater lake Long chain diol index (LDI) as a potential measure to estimate annual mean sea surface temperature in the northern South China Sea Archaeal ammonia oxidation plays a part in late Quaternary nitrogen cycling in the South China Sea Spatially different responses of nitrogen processing to precipitation during glacial-interglacial cycles on the Chinese Loess Plateau Lipid biomarkers in suspended particulate matter and surface sediments in the Pearl River Estuary, a subtropical estuary in southern China Seasonal variations of nitrate dual isotopes in wet deposition in a tropical city in China Organic molecular evidence of seafloor hydrocarbon seepage in sedimentary intervals down a core in the northern South China Sea Intact polar glycosidic GDGTs in sediments settle from water column as evidenced from downcore sediment records The Sources and Transformations of Dissolved Organic Matter in the Pearl River Estuary, China, as Revealed by Stable Isotopes High-relief topography of the Nima basin in central Tibetan Plateau during the mid-Cenozoic time Application of long-chain diol and its index as environmental indicators of coastal upwelling regions along eastern Guangdong in the northern South China Sea Sediment records of long chain alkyl diols in an upwelling area of the coastal northern South China Sea Isoprenoid tetraether lipids in suspended particulate matter from the East China Sea and implication for sedimentary records Differential timing of C4 plant decline and grassland retreat during the penultimate deglaciation Seasonal dynamics of particulate organic matter and its response to flooding in the Pearl River Estuary, China, revealed by stable isotope (δ13C and δ15N) analyses Magnetic properties of surface sediments from the Pearl River Estuary and its adjacent waters: Implication for provenance A 15 ka pH record from an alpine lake in north China derived from the cyclization ratio index of aquatic brGDGTs and its paleoclimatic significance Seasonal distribution of archaeal lipids in surface water and its constraint on their sources and the TEX86 temperature proxy in sediments of the South China Sea Distribution of archaeal lipids in surface water suspened particulate matter of Pearl River Estuary Alcohol compounds in Azolla imbricata and potential source implication for marine sediments Isotope constraints on seasonal dynamics of dissolved and particulate N in the Pearl River Estuary, south China Investigating the long-term palaeoclimatic controls on the δD and δ18O of precipitation during the Holocene in the Indian and East Asian monsoonal regions Asynchronous evolution of the isotopic composition and amount of precipitation in north China during the Holocene revealed by a record of compound-specific carbon and hydrogen isotopes of long-chain n-alkanes from an alpine lake A 15 ka lake water δD record from Genggahai Lake, northeastern Tibetan Plateau, and its paleoclimatic significance Detection and indication of 1,3,4-C27–29 triol in the sediment of northern South China Sea Warm season bias of branched GDGT temperature estimates causes underestimation of altitudinal lapse rate