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浏览/检索结果: 共117条，第1-10条 帮助 限定条件 发表日期：2015    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 Segmenting tree crowns from terrestrial and mobile LiDAR data by exploring ecological theories 期刊论文 ISPRS JOURNAL OF PHOTOGRAMMETRY AND REMOTE SENSING, 2015 Tao, Shengli; Wu, Fangfang; Guo, Qinghua; Wang, Yongcai; Li, Wenkai; Xue, Baolin; Hu, Xueyang; Li, Peng; Tian, Di; Li, Chao; Yao, Hui; Li, Yumei; Xu, Guangcai; Fang, Jingyun 收藏  |  浏览/下载：5/0  |  提交时间：2017/12/03 Terrestrial LiDAR  Segmentation  Shortest path  Mobile LiDAR  Metabolic ecology theory  DBSCAN  LASER-SCANNING DATA  WAVE-FORM LIDAR  INDIVIDUAL TREES  STEM VOLUME  FOREST BIOMASS  HEIGHT  SEGMENTATION  DENSITY  SIZE  CLASSIFICATION   The stage-classified matrix models project a significant increase in biomass carbon stocks in China's forests between 2005 and 2050 期刊论文 SCIENTIFIC REPORTS, 2015 Hu, Huifeng; Wang, Shaopeng; Guo, Zhaodi; Xu, Bing; Fang, Jingyun 收藏  |  浏览/下载：6/0  |  提交时间：2017/12/03 GROWTH  SINKS  STORAGE  BALANCE   Identification of multiple climatic extremes in metropolis: a comparison of Guangzhou and Shenzhen, China 期刊论文 NATURAL HAZARDS, 2015 Liu, Yanxu; Li, Shuangshuang; Wang, Yanglin; Zhang, Tian; Peng, Jian; Li, Tianyi 收藏  |  浏览/下载：2/0  |  提交时间：2017/12/03 Multiple climatic extremes  Heat wave  Heavy rain  Strong wind  UTCI  Cumulative density function  Urbanization in China  LAND-SURFACE TEMPERATURE  HEAT WAVES  METEOROLOGICAL DISASTER  CHANGE SCENARIOS  THERMAL COMFORT  EVENTS  TRENDS  IMPACT  MODEL  HEALTH   Multicriteria evaluation of discharge simulation in Dynamic Global Vegetation Models 期刊论文 JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 2015 Yang, Hui; Piao, Shilong; Zeng, Zhenzhong; Ciais, Philippe; Yin, Yi; Friedlingstein, Pierre; Sitch, Stephen; Ahlstrom, Anders; Guimberteau, Matthieu; Huntingford, Chris; Levis, Sam; Levy, Peter E.; Huang, Mengtian; Li, Yue; Li, Xiran; Lomas, Mark R.; Peylin, Philippe; Poulter, Ben; Viovy, Nicolas; Zaehle, Soenke; Zeng, Ning; Zhao, Fang; Wang, Lei 收藏  |  浏览/下载：5/0  |  提交时间：2017/12/03 river discharge  model evaluation  land use change  climate change impacts  LAND-SURFACE MODEL  CLIMATE-CHANGE  RIVER DISCHARGE  WATER AVAILABILITY  PLANT GEOGRAPHY  CARBON-DIOXIDE  RUNOFF  HYDROLOGY  CO2  PRECIPITATION   Climate and native grassland vegetation as drivers of the community structures of shrub-encroached grasslands in Inner Mongolia, China 期刊论文 LANDSCAPE ECOLOGY, 2015 Chen, Leiyi; Li, He; Zhang, Pujin; Zhao, Xia; Zhou, Luhong; Liu, Taoyu; Hu, Huifeng; Bai, Yongfei; Shen, Haihua; Fang, Jingyun 收藏  |  浏览/下载：2/0  |  提交时间：2017/12/03 Arid and semi-arid area  Climate  Community structure  Geographic pattern  Grassland  Shrub encroachment  Shrubby grassland  Shrubland  WOODY PLANT INVASION  SPECIES RICHNESS  INVASIBILITY  CARBON  ECOSYSTEM  GRADIENT  DIVERSITY  PATTERNS  STEPPE  WATER   Large-scale liquid immiscibility and fractional crystallization in the 1780 Ma Taihang dyke swarm: Implications for genesis of the bimodal Xiong'er volcanic province 期刊论文 LITHOS, 2015 Peng, Peng; Wang, Xinping; Lai, Yong; Wang, Chong; Windley, Brian F. 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 Large-scale immiscibility  Fractional crystallization  High-Fe-Ti-P rocks  Taihang dyke swarm  Xiong&apos  Melt inclusion  NORTH CHINA CRATON  LARGE IGNEOUS PROVINCE  ILES INTRUSIVE SUITE  RARE-EARTH ELEMENTS  SKAERGAARD INTRUSION  ISOTOPIC CONSTRAINTS  TRACE-ELEMENTS  GEOCHEMICAL CHARACTERISTICS  PARTITION-COEFFICIENTS  BASALT PETROGENESIS  er volcanic province   Everyday space-time geographies: using mobile phone-based sensor data to monitor urban activity in Harbin, Paris, and Tallinn 期刊论文 INTERNATIONAL JOURNAL OF GEOGRAPHICAL INFORMATION SCIENCE, 2015 Ahas, R.; Aasa, A.; Yuan, Y.; Raubal, M.; Smoreda, Z.; Liu, Y.; Ziemlicki, C.; Tiru, M.; Zook, M. 收藏  |  浏览/下载：1/0  |  提交时间：2017/12/03 time use  smart city  social time  urban  mobile positioning  geography  spatial mobility  POSITIONING DATA  TRAVEL BEHAVIOR  SMART CITIES  SOCIAL TIME  VARIABILITY  ESTONIA  USERS  MODEL  LIFE   Phase, microstructure and microwave dielectric properties of A-site deficient (La, Nd)(2/3)TiO3 perovskite ceramics 期刊论文 MATERIALS SCIENCE-POLAND, 2015 Saleem, Muhammad; Iqbal, Yaseen; Qin, Shan; Wu, Xiang; Zhu, Feng 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 A-site deficient perovskites  dielectrics  phase analysis  ceramics  SYSTEM  FREQUENCY  LA   Responses of relativistic electron fluxes in the outer radiation belt to geomagnetic storms 期刊论文 JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 2015 Xiong, Ying; Xie, Lun; Pu, Zuyin; Fu, Suiyan; Chen, Lunjin; Ni, Binbin; Li, Wen; Li, Jinxing; Guo, Ruilong; Parks, G. K. 收藏  |  浏览/下载：5/0  |  提交时间：2017/12/03 EMIC WAVES  RESONANT SCATTERING  MAGNETIC STORMS  TIME SCALES  SOLAR-WIND  ACCELERATION  CHORUS  EVOLUTION  LOSSES  INDEX   Nonlinear bounce resonances between magnetosonic waves and equatorially mirroring electrons 期刊论文 JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 2015 Chen, Lunjin; Maldonado, Armando; Bortnik, Jacob; Thorne, Richard M.; Li, Jinxing; Dai, Lei; Zhan, Xiaoya 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 bounce resonance  magnetosonic waves  equatorial noise  radiation belt  wave-particle interaction  nonlinear  RELATIVISTIC ELECTRONS  RADIATION BELT  FREQUENCY  NOISE  FIELD