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2019.09.27

09:00

周隆泉楼

B3-202

王博

The biological uptake of iron and carbon by phytoplankton and their regulating factors in Amundsen Sea, Antarctica

赵秀峰

周亚欠

流动注射-化学发光法测定海水中的痕量铁

报告提要

王博:(1The relative low carbon fixation in this study is mainly due to a large seasonal variation in Amundsen Sea; 2The influencing mechanism of sea-ice meltwater and glacier meltwater in the Southern Ocean are different. Sea-ice meltwater promotes the biological uptake of iron by phytoplankton in Amundsen Sea; 3The smaller phytoplankton responded more obviously to the to sea-ice meltwater input. Fe enrichment would change the sizes composition of the phytoplankton

周亚欠:(1)海水中铁元素的重要性;(2)流动注射-化学发光法的建立和优化

2019.10.11

09:00

周隆泉楼

B3-202

杨紫菲

深海沉积物中的早期成岩作用

陈阳军

唐震

Extraction of barite from Western Pacific marine sediments

报告提要

杨紫菲:(1)西北太平洋海山区生物扰动作用的分布规律及控制因素;(2)深海沉积物中有机质的降解

唐震:(1报告LST重液分离结合化学连续提取方法分离西太平洋沉积物中生源重晶石的实验结果;(2)报告实验结果的讨论与初步结论;(3)报告后续实验计划

2019.10.25

09:00

周隆泉楼

B3-202

姜朝华

Effect factors of Phosphate oxygen isotope in natural environment: The regulation of oxygen isotope composition of different phosphate pools by pore water in soil

陈金旭

朱晶

Enhancement of both the nitrification and denitrification processes on the Bering Sea shelf from July to September, evidenced from the nitrogen isotopes

陈志刚

是什么限制了海洋的固氮作用?

报告提要

姜朝华:(1)介绍自然环境中磷酸盐氧同位素的主要影响因素以及研究进展;(2)解析土壤孔隙水对土壤中不同形态磷酸盐氧同位素比值的调控机制

朱晶:(1)通过对比2012年白令陆架区同一站位在7月和9月各参数分布的差异,发现该区域N循环的季节性差异;(2)通过对比白令陆架区同一断面在20147月和20129月各参数分布的差异,探究该海域79N循环的变化规律

2019.11.01

09:00

周隆泉楼

B3-202

陈阳军

Advances in methodology for Ammonium isotope, Nitrite isotopes, Nitrate isotopes and Nitrous Oxide isotope

冉孟兰

赵秀峰

The export of particulate black carbon in the western South China Sea

报告提要

陈阳军:(1)铵、硝酸盐、亚硝酸盐和氧化亚氮同位素的方法学改进;(2)简述最新氮氧同位素测量技术对示踪海洋氮循环的重要性

赵秀峰:(1The distribution of 210Po-210Pb in three sections of western South China Sea;2The export fluxes of POC and PBC based on 210Po-210Pb in disequilibrium


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