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科研机构
北京大学 [24]
内容类型
期刊论文 [23]
其他 [1]
发表日期
2017 [4]
2016 [5]
2015 [6]
2014 [3]
2013 [2]
2012 [1]
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专题:北京大学
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Delayed response of spring phenology to global warming in subtropics and tropics
期刊论文
AGRICULTURAL AND FOREST METEOROLOGY, 2017
Chen, Xiaoqiu
;
Wang, Lingxiao
;
Inouye, David
收藏
  |  
浏览/下载:111/0
  |  
提交时间:2017/12/03
Global warming
Leafing and flowering
Process-based phenology model
Chilling and forcing requirement
Spatiotemporal prediction
CLIMATE-CHANGE
TEMPERATE TREES
NORTHERN CHINA
LEAF PHENOLOGY
UNIFIED MODEL
BUDBURST
PREDICTION
GERMANY
BOREAL
PLANTS
Environmental controls on soil respiration in alpine meadow along a large altitudinal gradient on the central Tibetan Plateau
期刊论文
CATENA, 2017
Zhao, Jingxue
;
Li, Ruicheng
;
Li, Xiang
;
Tian, Lihua
收藏
  |  
浏览/下载:111/0
  |  
提交时间:2017/12/03
Alpine meadow
Soil respiration
Temperature sensitivity
Tibetan Plateau
Environmental controls
CARBON-DIOXIDE EXCHANGE
ECOSYSTEM CO2 EXCHANGE
TEMPERATURE SENSITIVITY
CLIMATE-CHANGE
TERRESTRIAL ECOSYSTEMS
MICROBIAL RESPIRATION
SEMIARID GRASSLANDS
TALLGRASS PRAIRIE
GROWING-SEASON
CHINA
地理背景的不确定性对时空行为模式分析的影响——基于西宁市的实证研究
期刊论文
地理学报, 2017
谭一洺
;
柴彦威
;
关美宝
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
不确定地理背景问题
时空行为
活动空间
结构方程模型
西宁市
uncertain geographic context problem
space-time behavior
activity space
structural equation modelling
Xining
A proposal for the theoretical analysis of the interactive coupled effects between urbanization and the eco-environment in mega-urban agglomerations
期刊论文
JOURNAL OF GEOGRAPHICAL SCIENCES, 2017
Fang Chuanglin
;
Zhou Chenghu
;
Gu Chaolin
;
Chen Liding
;
Li Shuangcheng
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2017/12/03
mega-urban agglomeration
urbanization
eco-environment
interactive coupled effects
coupling theory
process of theoretical analysis
SUSTAINABILITY SCIENCE
CENTRAL CHINA
RESOURCES
CLUSTERS
CORRIDOR
TIANJIN
GROWTH
SYSTEM
Assessing spatiotemporal variation of drought in China and its impact on agriculture during 1982-2011 by using PDSI indices and agriculture drought survey data
期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 2016
Yan, Hao
;
Wang, Shao-Qiang
;
Wang, Jun-Bang
;
Lu, Hou-Quan
;
Guo, An-Hong
;
Zhu, Zai-Chun
;
Myneni, Ranga B.
;
Shugart, Herman H.
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
PDSI
agricultural drought survey
drought area
potential evaporation
WATER-USE EFFICIENCY
SEVERITY INDEX
ELEVATED CO2
GLOBAL DROUGHT
SOIL-MOISTURE
EVAPOTRANSPIRATION
PHOTOSYNTHESIS
YIELD
CLASSIFICATION
VARIABILITY
树木生长对气候变化的响应研究进展
期刊论文
北京师范大学学报(自然科学版), 2016
吴秀臣
;
裴婷婷
;
李小雁
;
刘鸿雁
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
树木生长
气候变化
响应
气候反馈
时空差异
极端事件
干扰
tree growth
climate change
response
climate feedbacks
spatial-temporal divergence
extreme events
disturbances
VIIRS-based remote sensing estimation of ground-level PM2.5 concentrations in Beijing-Tianjin-Hebei: A spatiotemporal statistical model
期刊论文
REMOTE SENSING OF ENVIRONMENT, 2016
Wu, Jiansheng
;
Yao, Fei
;
Li, Weifeng
;
Si, Menglin
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
PM2.5
VIIRS AOD
NO2
Time fixed effects regression model
Geographically weighted regression
Beijing-Tianjin-Hebei
FINE PARTICULATE MATTER
LAND-USE REGRESSION
GEOGRAPHICALLY WEIGHTED REGRESSION
LONG-TERM EXPOSURE
AIR-POLLUTION
QUALITY
SPACE
CHINA
MODIS
Phosphorus accumulates faster than nitrogen globally in freshwater ecosystems under anthropogenic impacts
期刊论文
ECOLOGY LETTERS, 2016
Yan, Zhengbing
;
Han, Wenxuan
;
Penuelas, Josep
;
Sardans, Jordi
;
Elser, James J.
;
Du, Enzai
;
Reich, Peter B.
;
Fang, Jingyun
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Accumulation
anthropogenic impacts
biogeochemistry
decoupling of nitrogen and phosphorus cycles
freshwater ecosystems
global patterns
imbalance
macrophytes
stoichiometry
waterbodies
TN-TP RATIO
SHALLOW LAKES
LEAF NITROGEN
NUTRIENT LIMITATION
AQUATIC MACROPHYTES
N-P
CHINA
STOICHIOMETRY
PATTERNS
EUTROPHICATION
Roadmap on ultrafast optics
期刊论文
JOURNAL OF OPTICS, 2016
Reid, Derryck T.
;
Heyl, Christoph M.
;
Thomson, Robert R.
;
Trebino, Rick
;
Steinmeyer, Guenter
;
Fielding, Helen H.
;
Holzwarth, Ronald
;
Zhang, Zhigang
;
Del&apos
;
Sudmeyer, Thomas
;
Mourou, Gerard
;
Tajima, Toshiki
;
Faccio, Daniele
;
Harren, Frans J. M.
;
Cerullo, Giulio
;
Haye, Pascal
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/04
ultrafast optics
light sources
ultrafast control
time-resolved
ULTRASHORT LASER-PULSES
FREQUENCY COMB GENERATION
SPATIOTEMPORAL ELECTRIC-FIELD
QUANTUM CASCADE LASERS
LARGE MODE-AREA
HIGH-PEAK-POWER
YB-FIBER LASER
SPECTRAL INTERFEROMETRY
EXTREME-ULTRAVIOLET
ATTOSECOND PULSES
Effects of Urban Landscape Pattern on PM2.5 Pollution-A Beijing Case Study
期刊论文
PLOS ONE, 2015
Wu, Jiansheng
;
Xie, Wudan
;
Li, Weifeng
;
Li, Jiacheng
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
LAND-USE REGRESSION
PARTICULATE AIR-POLLUTION
TRAFFIC-INDUCED NOISE
SURFACE TEMPERATURE
SPATIOTEMPORAL VARIATIONS
DEPOSITION VELOCITY
FINE-PARTICLE
CHINA
PM10
MATTER
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