QQ客服 官方微博 反馈留言

浏览/检索结果: 共23条，第1-10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 Spatial distribution of forest aboveground biomass in China: Estimation through combination of spaceborne lidar, optical imagery, and forest inventory data 期刊论文 REMOTE SENSING OF ENVIRONMENT, 2016 Su, Yanjun; Guo, Qinghua; Xue, Baolin; Hu, Tianyu; Alvarez, Otto; Tao, Shengli; Fang, Jingyun 收藏  |  浏览/下载：9/0  |  提交时间：2017/12/03 Forest aboveground biomass  GIAS/ICESat  Lidar  Ground inventory  China  SMALL-FOOTPRINT LIDAR  LEAF-AREA INDEX  LANDSAT TM DATA  RADAR BACKSCATTER  CARBON BALANCE  CLIMATE-CHANGE  BRAZILIAN AMAZON  DECIDUOUS FOREST  BOREAL FOREST  GREEN PROGRAM   Climate extremes in the Kobresia meadow area of the Qinghai-Tibetan Plateau, 1961-2008 期刊论文 ENVIRONMENTAL EARTH SCIENCES, 2016 He, Siyuan; Richards, Keith; Zhao, Zhiqiang 收藏  |  浏览/下载：2/0  |  提交时间：2017/12/03 Climate extremes  Kobresia meadow  Ecosystem resilience  Pasture management  SUMMER  PRECIPITATION  DROUGHTS  CHINA   Spatio-Temporal Patterns and Source Identification of Water Pollution in Lake Taihu (China) 期刊论文 WATER, 2016 Chen, Yan; Zhao, Kangping; Wu, Yueying; Gao, Shuoshuo; Cao, Wei; Bo, Yan; Shang, Ziyin; Wu, Jing; Zhou, Feng 收藏  |  浏览/下载：6/0  |  提交时间：2017/12/03 Lake Taihu  river water quality  source identification  temporal variation  multivariate analysis  spatial variation  MULTIVARIATE STATISTICAL-METHODS  TEMPORAL VARIATIONS  SOURCE APPORTIONMENT  HONG-KONG  SPATIAL-DISTRIBUTION  QUALITY ASSESSMENT  CLUSTER-ANALYSIS  RIVER  MANAGEMENT  SEDIMENTS   Cosmogenic Be-10 constraints on Little Ice Age glacial advances in the eastern Tian Shan, China 期刊论文 QUATERNARY SCIENCE REVIEWS, 2016 Li, Yanan; Li, Yingkui; Harbor, Jon; Liu, Gengnian; Yi, Chaolu; Caffee, Marc W. 收藏  |  浏览/下载：5/0  |  提交时间：2017/12/03 Cosmogenic nuclides  Little Ice Age glacial advances  Nuclide inheritance  Eastern Tian Shan  LATE QUATERNARY GLACIATION  NORTHERN-HEMISPHERE TEMPERATURES  PRODUCTION-RATE CALIBRATION  CENTRAL TIEN-SHAN  CENTRAL-ASIA  SURFACE EXPOSURE  URUMQI RIVER  CLIMATE-CHANGE  ATMOSPHERIC CIRCULATION  TIBETAN PLATEAU   Pollen-detected altitudinal migration of forests during the Holocene in the mountainous forest-steppe ecotone in northern China 期刊论文 PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, 2016 Hao, Qian; Liu, Hongyan; Liu, Xu 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 Forest-steppe ecotone  Arboreal pollen  Pinus  Quercus  Betula  Altitude range  Altitudinal migration  EAST-ASIAN MONSOON  PINUS-TABULAEFORMIS  INNER-MONGOLIA  SOURCE AREA  DAIHAI LAKE  KA BP  VEGETATION  HISTORY  CLIMATE  PALAEOVEGETATION   Occurrence, spatial distribution, sources, and risks of polychlorinated biphenyls and heavy metals in surface sediments from a large eutrophic Chinese lake (Lake Chaohu) 期刊论文 ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, 2016 He, Wei; Bai, Ze-Lin; Liu, Wen-Xiu; Kong, Xiang-Zhen; Yang, Bin; Yang, Chen; Jorgensen, Sven Erik; Xu, Fu-Liu 收藏  |  浏览/下载：5/0  |  提交时间：2017/12/03 Polychlorinated biphenyls  Heavy metals  Occurrence  Spatial distribution  Risks  Lake Chaohu  Positive matrix factorization (PMF)  Surface sediment  POLYCYCLIC AROMATIC-HYDROCARBONS  POLYBROMINATED DIPHENYL ETHERS  DIOXIN-LIKE PCBS  TRACE-METALS  YANGTZE ESTUARY  ORGANIC-MATTER  RIVER  WATER  HEALTH  DECHLORINATION   Characteristic pollen source area and vertical pollen dispersal and deposition in a mixed coniferous and deciduous broad-leaved woodland in the Changbai mountains, northeast China 期刊论文 VEGETATION HISTORY AND ARCHAEOBOTANY, 2016 Zhang, Shengrui; Xu, Qinghai; Gaillard, Marie-Jose; Cao, Xianyong; Li, Jianyong; Zhang, Liyan; Li, Yuecong; Tian, Fang; Zhou, Liping; Lin, Fengyou; Yang, Xiaolan 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 Changbai mountains  Mixed coniferous and deciduous broad-leaved woodland  Vertical pollen dispersal and deposition  Characteristic pollen source area  HIGH-RESOLUTION RECORD  ACCUMULATION RATES  LAKE-SEDIMENTS  QUANTITATIVE RECONSTRUCTION  VEGETATION RELATIONSHIPS  SOUTHERN SWEDEN  REVEALS MODEL  TAUBER TRAPS  CLIMATE  FOREST   The landscape change and theory of orderly reclamation sea based on coastal management in rapid industrialization area in Bohai Bay, China 期刊论文 OCEAN & COASTAL MANAGEMENT, 2016 Zhu, Gaoru; Xie, Zhenglei; Xu, Xuegong; Ma, Zongwen; Wu, Yuli 收藏  |  浏览/下载：5/0  |  提交时间：2017/12/03 Coastal landscape change  Theory of orderly reclamation  Northwest bank, Bohai Bay, China  Coastal environmental management  LAND RECLAMATION  JIAOZHOU BAY  ECOSYSTEM  IMPACT  RESTORATION  DEGRADATION  RECOVERY  WETLANDS  ESTUARY  HEALTH   Occurrence, spatial distribution, sources, and risks of polychlorinated biphenyls and heavy metals in surface sediments from a large eutrophic Chinese lake (Lake Chaohu) 其他 2016-01-01 He, Wei; Bai, Ze-Lin; Liu, Wen-Xiu; Kong, Xiang-Zhen; Yang, Bin; Yang, Chen; Jorgensen, Sven Erik; Xu, Fu-Liu 收藏  |  浏览/下载：7/0  |  提交时间：2017/12/03 Polychlorinated biphenyls  Heavy metals  Occurrence  Spatial distribution  Risks  Lake Chaohu  Positive matrix factorization (PMF)  Surface sediment  POLYCYCLIC AROMATIC-HYDROCARBONS  POLYBROMINATED DIPHENYL ETHERS  DIOXIN-LIKE PCBS  TRACE-METALS  YANGTZE ESTUARY  ORGANIC-MATTER  RIVER  WATER  HEALTH  DECHLORINATION   Emerging opportunities and challenges in phenology: a review 期刊论文 ECOSPHERE, 2016 Tang, Jianwu; Korner, Christian; Muraoka, Hiroyuki; Piao, Shilong; Shen, Miaogen; Thackeray, Stephen J.; Yang, Xi 收藏  |  浏览/下载：6/0  |  提交时间：2017/12/03 cameras  greenness  ILTER  modeling  phenology  scale  Special Feature: International LTER  DECIDUOUS BROADLEAF FOREST  TERRESTRIAL CHLOROPHYLL FLUORESCENCE  GROSS PRIMARY PRODUCTION  SPECTRAL VEGETATION INDEXES  DIGITAL CAMERA IMAGES  LIGHT-USE EFFICIENCY  LEAF-AREA INDEX  CLIMATE-CHANGE  GREEN-UP  INTERANNUAL VARIATIONS