Pollen morphology of selected tundra plants from the highArctic of Ny-lesund, Svalbard

来源 :Advances in Polar Science | 被引量 : 1次 | 上传用户:cocksun
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Documenting morphological features of modern pollen is fundamental for the identification of fossil pollen, which willassist researchers to reconstruct the vegetation and climate of a particular geologic period. This paper presents the pollen morphol-o
其他文献
The resource development and changes of hydrological regime,sediment and water quality in the Mekong River basin have attracted great attentions.This research aimed to enhance the study on transbounda
期刊
Desertification process as a great problem affects most of the countries in the world.This process has a high rate in arid and semiarid areas.Today,human societies are encountering the desertification
期刊
Yangshao culture is the most important mid-Holocene Neolithic culture in the Yellow River catchment,and thus,a study on the impact of human activities on the environment is important.In the current st
期刊
Studying the response to warming of hydrological systems in Chinas temperate glacier region is essential in order to provide information required for sustainable development.The results indicated the
期刊
利用模拟数据对Autonomous Atmospheric Compensation(AAC)和In-scene Atmospheric Compensation(ISAC)这两种高光谱热红外数据大气校正方法进行了对比和分析。结果显示,在满足方法适用条件情况下,AAC方法大气校正精度较高,除湿热的热带大气外,大气透过率的反演误差小于0.02,大气上行辐射的误差小于0.004W.m-2.sr-1.c
期刊
Runoff at the three time scales(non-flooding season,flooding season and annual period) was simulated and tested from 1958 to 2005 at Tangnaihai(Yellow River Source Region:YeSR),Zhimenda(Yangtze River
期刊
By using the observed monthly mean temperature and humidity datasets of 14 radiosonde stations and monthly mean precipitation data of 83 surface stations from 1979 to 2008 over the Tibetan Plateau(TP)
期刊
The proxy records on typhoons in the Yangtze River Delta from 1644 to 1949AD were extracted from historical chorographies in the Qing Dynasty and the Republic of China Period.In reference to the basic
期刊
As the largest wetland in the North China Plain(NCP),the Baiyangdian Lake plays an important role in maintaining water balance and ecological health of NCP.In the past few decades,the decreasing strea
期刊
The runoff of some rivers in the world especially in the arid and semi-arid areas has decreased remarkably with global or regional climate change and enhanced human activities.The runoff decrease in t
期刊