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科研机构
北京大学 [23]
内容类型
期刊论文 [19]
其他 [4]
发表日期
2017 [2]
2016 [7]
2015 [3]
2014 [2]
2013 [1]
2011 [2]
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共23条,第1-10条
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专题:北京大学
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Tree-ring-based SPEI reconstruction in central Tianshan Mountains of China since AD 1820 and links to westerly circulation
期刊论文
INTERNATIONAL JOURNAL OF CLIMATOLOGY, 2017
Jiang, Peng
;
Liu, Hongyan
;
Wu, Xiuchen
;
Wang, Hongya
收藏
  |  
浏览/下载:11/0
  |  
提交时间:2017/12/03
SPEI
tree-ring width
Tianshan Mountains
DROUGHT SEVERITY INDEX
MOISTURE VARIABILITY
NORTH-ATLANTIC
CLIMATE-CHANGE
TIME-SERIES
VEGETATION
IMPACTS
HISTORY
DATASET
SHAN
Course of Tourette Syndrome and Comorbidities in a Large Prospective Clinical Study
其他
2017-01-01
Groth, Camilla
;
Debes, Nanette Mol
;
Rask, Charlotte Ulrikka
;
Lange, Theis
;
Skov, Liselotte
收藏
  |  
浏览/下载:11/0
  |  
提交时间:2017/12/03
Tourette syndrome
prospective study
clinical course
OCD
ADHD
TIC-SEVERITY-SCALE
DISORDERS
PREVALENCE
POPULATION
CHILDREN
PSYCHOPATHOLOGY
PHENOMENOLOGY
RELIABILITY
PERSPECTIVE
VALIDATION
Spatial-temporal patterns of water use efficiency and climate controls in China's Loess Plateau during 2000-2010
期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2016
Zhang, Tian
;
Peng, Jian
;
Liang, Wei
;
Yang, Yuting
;
Liu, Yanxu
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Water use efficiency
Net primary productivity
Evapotranspiration
Meteorological factors
Loess Plateau, China
NET PRIMARY PRODUCTIVITY
ECOSYSTEM CARBON SEQUESTRATION
DROUGHT SEVERITY INDEX
LIGHT USE EFFICIENCY
MAIZE ZEA-MAYS
TERRESTRIAL EVAPOTRANSPIRATION
WINTER-WHEAT
NORTHERN SHAANXI
ATMOSPHERIC CO2
MODIS DATA
云南松混交林火烧迹地更新早期草本层物种多样性的空间格局
期刊论文
植物生态学报, 2016
韩杰
;
应凌霄
;
李贵祥
;
沈泽昊
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
火后更新
草本多样性
物种构成
火前植被
地形
火烧强度
post-fire regeneration
herb diversity
species composition
pre-fire vegetation
topography
fire severity
Agricultural drought monitoring: Progress, challenges, and prospects
期刊论文
JOURNAL OF GEOGRAPHICAL SCIENCES, 2016
Liu Xianfeng
;
Zhu Xiufang
;
Pan Yaozhong
;
Li Shuangshuang
;
Liu Yanxu
;
Ma Yuqi
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
agricultural drought
drought monitoring
research progress
research prospect
REMOTE-SENSING DATA
SEVERITY INDEX
SOIL-MOISTURE
UNITED-STATES
VEGETATION
WATER
STRESS
SPACE
VALIDATION
DYNAMICS
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
Impacts of fire severity and post-fire reforestation on carbon pools in boreal larch forests in Northeast China
期刊论文
JOURNAL OF PLANT ECOLOGY, 2016
Hu, Xueyang
;
Zhu, Jianxiao
;
Wang, Chuankuan
;
Zheng, Tianli
;
Wu, Qiqian
;
Yao, Hui
;
Fang, Jingyun
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
carbon budget
wildfire
fire severity
Larix gmelinii
reforestation
COARSE WOODY DEBRIS
NET PRIMARY PRODUCTION
LAND-USE CHANGE
PONDEROSA PINE
PRIMARY PRODUCTIVITY
TEMPERATE FOREST
RAIN-FOREST
STORAGE
ECOSYSTEMS
CLIMATE
Satellite characterization of terrestrial drought over Xinjiang Uygur Autonomous Region of China over past three decades
期刊论文
ENVIRONMENTAL EARTH SCIENCES, 2016
Zhang, Yuhu
;
Yao, Yunjun
;
Lin, Yi
;
Xiang, Liu
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Drought monitoring
Evapotranspiration
Evaporative wet index
Xinjiang Uygur Autonomous Region
LATENT-HEAT FLUX
PRIESTLEY-TAYLOR ALGORITHM
EDDY-COVARIANCE
SURFACE TEMPERATURE
MONITORING DROUGHT
VEGETATION INDEX
ENERGY-BALANCE
SEVERITY INDEX
LAND-COVER
MODIS
Revisiting functional no-flow events in the Lower Yellow River
期刊论文
INTERNATIONAL JOURNAL OF SEDIMENT RESEARCH, 2016
Huang, Rong
;
Li, Tianhong
;
Zhao, Lianjun
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Lower Yellow River
Incoming water
Critical discharge
Functional no-flow events
Severity level
Linear regression
NONUNIFORM SEDIMENT TRANSPORT
PAST 50 YEARS
REGULATION SCHEME
WATER DISCHARGE
ALTERED FLOW
CHINA
CHANNEL
REGIME
SIMULATION
IMPACTS
Early post-fire regeneration of a fire-prone subtropical mixed Yunnan pine forest in Southwest China: Effects of pre-fire vegetation, fire severity and topographic factors
期刊论文
FOREST ECOLOGY AND MANAGEMENT, 2015
Han, Jie
;
Shen, Zehao
;
Ying, Lingxiao
;
Li, Guixiang
;
Chen, Anping
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Yunnan pine forest
Post-fire regeneration
Fire severity
Pre-fire community
Topography
Regeneration density
Species composition
Random forest analysis
CHAPARRAL SHRUBS
REGIONAL-SCALE
DYNAMICS
CLASSIFICATION
HETEROGENEITY
RECRUITMENT
SUCCESSION
STRATEGIES
CALIFORNIA
DIVERSITY
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