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2019.06.14

09:00

周隆泉楼

B3-202

李丹阳

N2 fixation impacted by phytoplankton-derived organic matter in Jiaozhou Bay

张琨

周俊飞

火成碳(黑炭)的循环

宁江豪

Nitrogen-fixing microorganisms associated with copepods

报告提要

李丹阳:(1)胶州湾中生物固氮作用并未被富营养环境完全抑制;(2)此处固氮同浮游植物产生的有机质含量密切相关,在一定范围内,浮游植物来源的有机质会促进固氮作用;(3)当非固氮类浮游植物量较大时,其与固氮生物可能存在共有资源的竞争;(4)胶州湾中生物固氮作用同其它浮游植物的生长/生产活动之间即存在互利互惠的关系,也存在竞争,这可能是调节此处固氮速率季节变化的重要因素之一

周俊飞:(1)火成碳的简介和测量方法简述;(2)火成碳的源汇及迁移

宁江豪:(1)桡足类肠道具有低氧低pH环境;(2)桡足类肠道可能是固氮热点

2019.06.21

09:00

周隆泉楼

B3-202

刘明阳

Changes of δ13C in the sediment organic matter of the Qiongdong continental shelf in response to environmental change and human activities during the past 100 years

李丹阳

冯娜

Seasonal variations, flux and budget of BSi in Daya Bay

报告提要

刘明阳:(1to get the δ13C record of sedimentary organic matter in the past 100 years at the study area; 2try to explain the variation of δ13C record and discuss whether δ13C can be used to reconstruct the history of the change of marine productivity at the study area in the past 100 years; 3then try to analyze the possible reasons result in the changes of marine productivity

冯娜:(1大亚湾生物硅浓度的季节性特征及其受控因素 ;(2)大亚湾生物硅季节性通量;(3)大亚湾生物硅源汇收支

2019.07.05

09:00

周隆泉楼

B3-202

陈阳军

PNM's unity and distinctiveness in different seas

王昕

范玲芳

Role of organic components and carbon / NOx ratio regulating denitrification in the coastal water of Daya Bay,southern China

报告提要

陈阳军:(1)简述真光层中的氮循环及亚硝酸盐的重要性;(2)通过不同海域PNM中亚硝氮氧同位素的信号探究PNM形成的共性和差异性

范玲芳:(1Seasonal variation of denitrification rate in daya bay ;(2The composition of carbon has a substantial impact on potential denitrification activity;(3The ratio of carbon and NOx better explains the denitrification mechanism in daya bay

2019.07.19

09:00

周隆泉楼

B3-202

陈金旭

The freshwater components in the Prydz Bay based on oxygen isotope study

范玲芳

赵秀峰

Carbon budget in the mesopelagic zone and the role of lateral transport in the northern South China Sea

报告提要

陈金旭:(1)研究区域和研究方法;(2)不同水团基础参数(T/S/18O)的时间变化;(3)不同淡水组分时空分布规律的初步结果

赵秀峰:(1)海洋中层碳收支的不平衡;(2)侧向传输和非稳态输出对南海北部中层水体碳通量的影响


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