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浏览/检索结果: 共6条，第1-6条 帮助 限定条件 发表日期：2012    专题：北京大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Quaternary glacier development and the relationship between the climate change and tectonic uplift in the Helan Mountain 期刊论文 科学通报 英文版, 2012 Zhang Wei; He MingYue; Li YongHua; Cui ZhiJiu; Wang ZhiLin; Yu Yang 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/12 Helan Mountain  last glacial cycle  tectonic uplift  equilibrium line  glaciation  PLEISTOCENE GLACIATION  TIANSHAN MOUNTAINS  EQUILIBRIUM-LINE  CENTRAL CHINA  RIVER VALLEY  CHRONOLOGY  PLATEAU  RANGES  TAIWAN   Comparative analyses of leaf anatomy of dicotyledonous species in Tibetan and Inner Mongolian grasslands 期刊论文 science china life sciences, 2012 Ma JianJing; Ji ChengJun; Han Mei; Zhang TingFang; Yan XueDong; Hu Dong; Zeng Hui; He JinSheng 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/11 Tibetan Plateau  Inner Mongolian Plateau  steppe  meadow  leaf anatomy  dicotyledons  WATER RELATIONS  DISTINCT LIGHT  STRESS  CHINA  PHOTOSYNTHESIS  STOICHIOMETRY  EUPHORBIACEAE  PRODUCTIVITY  CULTIVARS  SPECTRUM   Satellite-based Studies on Large-Scale Vegetation Changes in China 期刊论文 journal of integrative plant biology, 2012 Zhao, Xia; Zhou, Daojing; Fang, Jingyun 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/12 Normalized Difference Vegetation Index (NDVI)  phenology  remote sensing  vegetation coverage  vegetation degradation  vegetation productivity  NET PRIMARY PRODUCTION  BIOMASS CARBON STOCKS  LAND-COVER CHANGES  NORTHEAST CHINA  CENTRAL YANGTZE  SPRING PHENOLOGY  YIELD ESTIMATION  TIBETAN PLATEAU  CLIMATE-CHANGE  NDVI DATA   Significant soil acidification across northern China's grasslands during 1980s-2000s 期刊论文 全球变化生物学, 2012 Yang, Yuanhe; Ji, Chengjun; Ma, Wenhong; Wang, Shifeng; Wang, Shaopeng; Han, Wenxuan; Mohammat, Anwar; Robinson, David; Smith, Pete 收藏  |  浏览/下载：6/0  |  提交时间：2015/11/12 alpine grasslands  buffering capacity  carbonate  cation exchange capacity  Kriging interpolation  Monte-Carlo simulation  nitrogen deposition  soil pH  sulfur deposition  temperate grasslands  CARBON STOCK  1980S  DEPOSITION  EMISSIONS  2000S  PH   Analysis of the ecological environment around 10000 a BP in Zhaitang area, Beijing: A case study of the Donghulin Site 期刊论文 科学通报 英文版, 2012 Xia ZhengKai; Zhang JunNa; Liu Jing; Zhao ChaoHong; Wu XiaoHong 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/12 Donghulin man  Paleolithic-Neolithic transition  Younger Dryas  ecological environment  EVOLUTION  AGE   State-dependent errors in a land surface model across biomes inferred from eddy covariance observations on multiple timescales 期刊论文 ecological modelling, 2012 Wang, Tao; Brender, Pierre; Ciais, Philippe; Piao, Shilong; Mahecha, Miguel D.; Chevallier, Frederic; Reichstein, Markus; Ottle, Catherine; Maignan, Fabienne; Arain, Altaf; Bohrer, Gil; Cescatti, Alessandro; Kiely, Gerard; Law, Beverly Elizabeth; Lutz, Merbold; Montagnani, Leonardo; Moors, Eddy; Osborne, Bruce; Panferov, Oleg; Papale, Dario; Vaccari, Francesco Primo 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/12 Eddy covariance  Land surface model  State-dependent model bias  Neural networks  Singular system analysis  Timescale  NET ECOSYSTEM EXCHANGE  ARTIFICIAL NEURAL-NETWORKS  CARBON-DIOXIDE EXCHANGE  ATMOSPHERE CO2 EXCHANGE  ENERGY-BALANCE CLOSURE  NORTHERN TEMPERATE GRASSLAND  BOREAL FOREST STANDS  WATER-VAPOR EXCHANGE  INTERANNUAL VARIABILITY  SOIL RESPIRATION