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浏览/检索结果: 共4条，第1-4条 帮助 限定条件 发表日期：2016    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 Trends toward an earlier peak of the growing season in Northern Hemisphere mid-latitudes 期刊论文 GLOBAL CHANGE BIOLOGY, 2016 Xu, Chongyang; Liu, Hongyan; Williams, A. Park; Yin, Yi; Wu, Xiuchen 收藏  |  浏览/下载：6/0  |  提交时间：2017/12/03 climatic warming  dryland  mid-latitudinal biomes  peak photosynthesis timing  phenological shifting  seasonality  NDVI TIME-SERIES  CLIMATE-CHANGE  SPRING PHENOLOGY  SEMIARID FORESTS  TIBETAN PLATEAU  CO2 UPTAKE  VEGETATION  DROUGHT  MODEL  PATTERNS   Determinants of soil erosion during the last 1600 years in the forest-steppe ecotone in Northern China reconstructed from lacustrine sediments 期刊论文 PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, 2016 Feng, Mingmin; Wang, Qiuyi; Hao, Qian; Yin, Yi; Song, Zhaoliang; Wang, Hongya; Liu, Hongyan 收藏  |  浏览/下载：5/0  |  提交时间：2017/12/03 Aridity  Vegetation cover  Soil erosion  Grain size  Chemical element  Inner Mongolia (China)  GRAIN-SIZE DISTRIBUTION  INNER-MONGOLIA  DAIHAI LAKE  HOLOCENE  PLATEAU  HISTORY  CARBON  PRECIPITATION  TRANSPORT  RECORD   Global patterns and determinants of forest canopy height 期刊论文 ECOLOGY, 2016 Tao, Shengli; Guo, Qinghua; Li, Chao; Wang, Zhiheng; Fang, Jingyun 收藏  |  浏览/下载：5/0  |  提交时间：2017/12/03 climatic indices  forest canopy height  geoscience laser altimeter system  giant trees  light detection and ranging  potential evapotranspiration  RH100  tallest tree  water supply  TREE HEIGHT  GROWTH  CLIMATE  BIOMASS  LIMITS  PRECIPITATION  PRODUCTIVITY  DIVERSITY  GRADIENT  DROUGHT   Potential for revival of the bicycle in Beijing 期刊论文 INTERNATIONAL JOURNAL OF SUSTAINABLE TRANSPORTATION, 2016 Yang, Ming; Zacharias, John 收藏  |  浏览/下载：2/0  |  提交时间：2017/12/04 Beijing  bicycle commuting  cycling perception  physical environment  BUILT-ENVIRONMENT  STATED PREFERENCE  PHYSICAL-ACTIVITY  MODE CHOICE  WALKING  TRANSPORTATION  CHINA  DETERMINANTS  HEALTH  TRANSFORMATION