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| 1 | 藏南沉错湖泊沉积多指标揭示的2万年以来环境变化显示文摘通过对藏南沉错湖芯TC1孔的研究,分析了TC1孔的粒度、TOC、TN、C/N、Fe/Mn、Sr/Ba以及环境磁学参数等环境代用指标,基本上获得了这一地区2万年以来的环境变化记录.结果显示约19800~18000 Cal aBP的温度下降在各指标中具有明显的反映;约16000Cal aBP左右,温度在一次跃动上升之后,随即出现急剧下降;约15200~12000 Cal aBP,是降温之后的缓慢回升过程;约12000~9500Cal aBP,各种指标均显示湖区环境处于不适宜阶段,特别是11600~10400 Cal aBP,湖区环境显著恶化.进入全新世后,湖区环境经历了3次明显的暖期(约9 500~7600 Cal aBP、约6800~5800Cal aBP、约4800~3800 Cal aBP)和2次冷期(约7600~6800 Cal aBP、约5 800~4800 Cal aBP),呈现出暖干/冷湿的交替规律,具有南亚季风(西南季风)区气候变化的特征.沉错湖区2万年来的气候环境变化序列中的某些特征时段与格陵兰冰芯记录和青藏高原其他记录相比具有较好的一致性,反映了湖区及藏南地区的气候环境演变特征具有全球性特征. | 朱立平 王君波 陈玲 杨京蓉 李炳元 朱照宇 Hiroyki Kitagawa Gran Possnert | 2004 | 地理学报2004，59，4： | 38 |
| 2 | 内蒙古额济纳盆地戈壁10Be暴露年龄与洪积作用的演化显示文摘重建干旱地区洪积成因戈壁的形成历史能够揭示控制洪积作用时空演化的构造、气候变化.对额济纳盆地不同地貌单元的戈壁石英砾石宇宙成因核素10Be浓度的测量和暴露年龄的估算表明,盆地北缘戈壁阿尔泰洪积平原上的戈壁至少在420ka前就已出现;而盆地内黑河流域洪积平原上的戈壁则形成于约190ka以来,并逐步向北和向东现代低海拔、尾闾湖方向发展,这种演化趋势可能是在青藏高原隆升和盆地内构造活动的影响下洪积作用和洪积扇发育空间变化的结果;420ka以来气候冰期/间冰期的冷暖旋回造成的周边高山地区冰川的前进与后退,可能主导了盆地洪积作用的强弱变化和水体的大小,大规模、高能量的洪水主要发生在高山冰雪消融时期(冰消期),可能也是盆地水体最大时期. | 吕延武 顾兆炎 ALDAHAN Ala 张虎才 POSSNERT Goran 雷国良 | 2010 | 科学通报2010，55，27： | 10 |
| 3 | ^(10)Be in quartz gravel from the Gobi Desert and evolutionary history of alluvial sedimentation in the Ejina Basin,Inner Mongolia,China显示文摘Reconstructing the evolutionary history of the Gobi deserts developed from alluvial sediments in arid regions has great significance in unraveling changes in both tectonic activity and climate.However,such work is limited by a lack of suitable dating material preserved in the Gobi Desert,but cosmogenic 10Be has great potential to date the Gobi deserts.In the present study,10Be in quartz gravel from the Gobi deserts of the Ejina Basin in Inner Mongolia of China has been measured to assess exposure ages.Results show that the Gobi Desert in the northern margin of the basin developed 420 ka ago,whereas the Gobi Desert that developed from alluvial plains in the Heihe River drainage basin came about during the last 190 ka.The latter developed gradually northward and eastward to modern terminal lakes of the river.These temporal and spatial variations in the Gobi deserts are a consequence of alluvial processes influenced by Tibetan Plateau uplift and tectonic activities within the Ejina Basin.Possible episodes of Gobi Desert development within the last 420 ka indicate that the advance/retreat of alpine glaciers during glacial/interglacial cycles might have been the dominant factor to influencing the alluvial intensity and water volume in the basin.Intense floods and large water volumes would mainly occur during the short deglacial periods. | LU YanWu GU ZhaoYan ALDAHAN Ala ZHANG HuCai POSSNERT Goran LEI GuoLiang | 2010 | Chinese Science Bulletin2010，55，33： | 6 |
| 4 | Evidence for the occurrence of Vedde Ash in Sweden: radiocarbon and calendar age estimates显示文摘 | WASTEGRD S BJ RCK S POSSNERT G | 1998 | Journal of Quaternary Science1998，13，： | 1 |
| 5 | AMS dating the Swedish varved clays of the last glacial/interglacial transition and the potential difficulties of calibrating Late Weichselian 'absolute' chronologies显示文摘 | WOHLFARTH B BJRCK S POSSNERT G | 1993 | Boreas1993，22，： | 1 |
| 6 | Tracing anthropogenic nuclear activity with ^129I in lake sediment 显示文摘 | Englund E Aldahan A Possnert G | 2008 | Journal of Environmental Radioactivity2008，99，： | 1 |
| 7 | Variations of atmospheric 14C concentrations over the Allerφd-Younger Dryas transition显示文摘 | Goslar T Wohlfarth B Bj rck S Possnert G Bj rck J | | 0，，： | 1 |
| 8 | ^129I anthropogenie budget: major sources and sinks 显示文摘 | Aldahan A Alfimov V Possnert G | 2007 | Applied Geochemistry2007，22，： | 1 |
| 9 | A routine preparation method for AMS measurement of 129 I in solid material显示文摘 | Englund E Aldahan A Possnert G | 2007 | Nuclear Instruments and Methods in Physics Research B: Beam Interactions with Materials and Atoms2007，259，1： | 1 |
| 10 | Dietary patterns and social structures in medieval Sigtuna, Sweden, as reflected in stable isotope values in human skeletal remains显示文摘 | Anna KjellstrOm Jan Stora G0ran Possnert | 2009 | Journal of Archaeological Science2009，，36： | 1 |
| 11 | Iodine-129 enrichment in sediment of the Baltic Sea显示文摘 | Aldahan A Englund E Possnert G | 2007 | Applied Geochemistry2007，22，3： | 1 |
| 12 | Anthropogenic iodine- 129 in the Arctic Ocean and Nordic Seas: Numerical modeling and prognoses 显示文摘 | Alfimov V Possnert G Aldahan A | 2006 | Marine Pollution Bulletin2006，52，4： | 1 |
| 13 | Global distribution and long-term fate of anthropogenic 129I in marine and surface water reservoirs 显示文摘 | Snyder G Aldahan A Possnert G | 2010 | Geochem Geophys Geosyst2010，11，4： | 1 |
| 14 | Measurement of electronic stopping power of swift heavy ions using high-resolution time-of-flight spectrometer 显示文摘 | Zhang Y Possnert G Weber W J | 2002 | Appl Phys Lett2002，80，： | 1 |
| 15 | Concentrations of 129I along a Transect from the North Atlantic to the Baltic Sea显示文摘 | Alfimov V Aldahan A Possnert G | 2004 | Nucl Instr and Meth2004，，： | 1 |
| 16 | Atmospheric interactions at northern high lati- tudes from weekly Be-isotopes in surface air显示文摘 | ALDAHAN A POSSNERT G VINTERSVED I | 2004 | Applied Radiation and Isotopes2004，54，2： | 1 |
| 17 | Radiocarbon dating of palaeosol components in moraines in Lapland, northern Sweden 显示文摘 | Hormes A Karlen W Possnert G | 2004 | Quaternary Science Reviews2004，23，1819： | 1 |
| 18 | Dynamics of Hippocampal Neurogenesis in Adult Humans显示文摘 | Kirsty L. Spalding Olaf Bergmann Kanar Alkass Samuel Bernard Mehran Salehpour Hagen B. Huttner Emil Bostr?m Isabelle Westerlund Céline Vial Bruce A. Buchholz G?ran Possnert Deborah C. Mash Henrik Druid Jonas Frisén | 2013 | Cell2013，，6： | 1 |
| 19 | Anthropogenic ^(129)I in seawaters along the north-central part of the English Channel:Levels and tracer applications显示文摘The English Channel(the Channel)represents a major sink and transport pathway of anthropogenic radioactive ^(129)I.Despite this important role,data concerning the distribution of ^(129)I in seawater of the Channel are scarce,and most of existing data are restricted to the eastern part of the Channel.The advection and dispersion of ^(129)I from the French coast toward the central and further the English coast,especially in the Channel west of Cap de La Hague,are not fully investigated.We present results of iodine isotopes( ^(127)I and ^(129)I)analyses of surface water samples collected along the central English Channel in October,2010.The data show high ^(129)I concentrations between Dover Strait and La Hague,followed by a dramatic drop towards the Celtic Sea and reveal the dispersal of ^(129)I towards central and northern part of the Channel.Our observation also implies that the entire British coast is contaminated by ^(129)I. ^(129)I levels in the westernmost English Channel,close to the English coast,may reflect combined influences from La Hague and Sellafield.Evolution of ^(129)I between 2005 and 2010 suggests a strong link to temporal marine discharges from La Hague plant.The discharges from the nuclear reprocessing facility have continued since 2010 and thus an ecological evaluation of ^(129)I radioactive hazards in the environment of the Channel may be needed. | Peng He Zheng Yang Hongying Pang Ala Aldahan Xiaolin Hou Goran Possnert Xiangjun Pei Yi Huang | 2022 | Acta Oceanologica Sinica2022，41，11： | 0 |
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