全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Enfeng Liu , Enlou Zhang , Kai Li ...
来源:[J].Environmental Science and Pollution Research(IF 2.618), 2013, Vol.20 (12), pp.8739-8750Springer
摘要:Abstract(#br)Atmospheric lead (Pb) pollution during the last century in central Yunnan province, one of the largest non-ferrous metal production centers in China, was reconstructed using sediment cores collected from Fuxian and Qingshui Lakes. Lead concentrations and isotopi...
作者:XinSheng Jiang , Jian Wang , XiaoZhuang Cui ...
来源:[J].Science China Earth Sciences(IF 1.255), 2012, Vol.55 (11), pp.1815-1826Springer
摘要:Abstract(#br)The Chengjiang Formation is the earliest continental clastic deposit after the Jinning Orogeny in central Yunnan Province, and therefore its accurate depositional age is significant for understanding the formation and evolution of the Neoproterozoic rift basins in s...
作者:黄和艳 , 席武俊
来源:[J].International Journal of Ecology, 2015, Vol.04 (03), pp.55-64汉斯出版社
摘要:This article was based on Landsat satellite images, did the band integration, geometric correction, mosaic, cropping by using ERDAS, ARCGIS software, according to the land use/land cover system which was fit for mid-Yunnan, combined with supervised classification method to do the...
作者:Yumei Li , Yun Zhang , Guobang Tong ...
来源:[J].Science of the Total Environment(IF 3.258), 2019, Vol.646, pp.368-376Elsevier
摘要:Abstract(#br)The goal of this study was to provide information on the representation of pollen taxa and the human impact on vegetation by exploring the relationship between modern pollen and vegetation in the central and western regions of Yunnan Province of China. A total o...
作者:Yuansheng Du , Chuanheng Zhang , Xin Han ...
来源:[J].Science in China Series D: Earth Sciences(IF 1.588), 2001, Vol.44 (7), pp.600-608Springer
摘要:... Typical characteristics of seismite and tsunamite, including seismo-fracture bed, synsedimentary microfracture, micro-corrugated lamination, molar tooth structure, hummocky bedding, occurs in Mesoproterozoic Dalongkou Formation of Kunyang Group in central Yunnan Province. Thr...
作者:Ziqi Yan , Yapeng Zhang , Zuhao Zhou ...
来源:[J].Natural Hazards(IF 1.639), 2017, Vol.88 (2), pp.1023-1042Springer
摘要:Based on the daily precipitation data from 33 meteorological stations in Yunnan Province from 1959 to 2013, the standardized precipitation index was calculated to analyze the drought frequency, station proportion, and drought intensity. The following conclusions were drawn from t...
作者:Zhao-rong Ou , Qing-ke Zhu , Yong-yu Sun
来源:[J].Journal of Mountain Science(IF 0.664), 2017, Vol.14 (5), pp.870-884Springer
摘要:In order to clarify regional ecological security status and formation mechanism of regional ecological security barriers in underdeveloped regions of China, we took Yunnan province as a case to evaluate its regional ecological security by using entropy matter-element model, ...
作者:沈亚强 , 王海军 , 刘学勤
来源:[J].长江流域资源与环境, 2010, (S1), pp.111-119CNKI
摘要:选择云南中部5个高原湖泊在雨季和旱季对其水生植被开展了两次系统调查。共采集到水生植物80种,隶属于33科64属。其中湿生植物39种,挺水植物19种,沉水植物12种,漂浮植物7种,浮叶根生植物3种。区系分析表明5...
被引频次:4下载频次:302

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