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全球数以百万计的人依靠湖泊提供多种多样的生态系统服务，人类也使用湖泊作为食物来源和多种经济活动，并且许多生物类群也依赖湖泊生存。然而，尽管湖泊的重要性，我们仍然缺乏人类活动对全球湖泊影响的评估。近日，我院克里斯托（Christos Mammides）副教授在环境科学顶尖期刊《Global Environmental Change》上发表题为：“A global assessment of the ...
Connecting the prehistoric past to the global future（图）
Connecting the prehistoric past to the global future
2020/1/21
In seeking to understand factors that affect global biodiversity patterns, scientists have focused much of their research on present-day climate, such as patterns of temperature or rainfall, or recent...
Study analyzing cells' blueprints reveals new patterns in the global distribution and diversity of ocean microbes（图）
Study analyzing cells blueprints reveals new patterns global distribution diversity ocean microbes
2019/12/27
A single drop of seawater can contain a wide representation of ocean microbes from around the world -- revealing new insights into the ecology, evolution and biotechnology potential of the global micr...
With 2019 on pace to be one of the warmest years on record, a new study by an international team of researchers reveals how rapidly the Arctic and Antarctic are warming and examines the global consequ...
PETM（古新世-始新世极热事件）发生在距今约5600万年前，是新生代以来最强烈的一次全球快速升温事件。在此期间，大量轻碳（13C同位素含量较少的碳）从岩石圈释放到大气海洋系统中，造成了地球表层碳库中的碳同位素组分发生了显著的负漂。学者们认为PETM时期的碳释放触发了（或者至少加剧了）这次全球升温。PETM持续了大约20万年，其中碳释放持续的时间大约为1000-50000年。在千年到万年的时间尺度...
Survey completeness of a global citizen-science database of bird occurrence（图）
Survey completeness global citizen-science database bird occurrence
2019/10/28
There are many shortfalls in knowledge of the world's biodiversity, and one of the most basic is the lack of knowledge about where species occur geographically. This deficiency has broad ramifications...
兰州大学生命科学学院叶建圣教授在国际著名期刊Global Change Biology发表了两篇生态学研究成果
兰州大学生命科学学院 叶建圣 教授 Global Change Biology 生态学
2019/8/9
生态学领域国际著名期刊Global Change Biology（IF=8.88）近期接连发表兰州大学与西班牙胡安卡洛斯国王大学、美国耶鲁大学等单位合作的两项生态学原创性研究成果。生命科学学院叶建圣教授为两篇研究论文的第一及通讯作者，兰州大学生命科学学院、草地农业生态系统国家重点实验室为论文第一完成单位。在题为“Multifunctionality debt in global drylands ...
东北石油大学经济管理学院市场营销学课件Chapter 5 Global Information Systems
东北石油大学经济管理学院 市场营销学 课件 Chapter 5 Global Information Systems
2018/10/24
东北石油大学经济管理学院市场营销学课件Chapter 5 Global Information Systems。
RELATIVE ERROR EVALUATION TO TYPICAL OPEN GLOBAL DEM DATASETS IN SHANXI PLATEAU OF CHINA
Relative error false slope ratio typical open global DEM datasets ICESat/GLA14 data Shanxi Plateau
2018/5/16
Produced by radar data or stereo remote sensing image pairs, global DEM datasets are one of the most important types for DEM data. Relative error relates to surface quality created by DEM data, so it ...
INTEGRATION OF SATELLITE, GLOBAL REANALYSIS DATA AND MACROSCALE HYDROLOGICAL MODEL FOR DROUGHT ASSESSMENT IN SUB-TROPICAL REGION OF INDIA
VIC Soil Moisture Agricultural drought SMDI CCI
2018/5/15
Change in soil moisture regime is highly relevant for agricultural drought, which can be best analyzed in terms of Soil Moisture Deficit Index (SMDI). A macroscale hydrological model Variable Infiltra...
ON THE INFLUENCE OF GLOBAL WARMING ON ATLANTIC HURRICANE FREQUENCY
Atlantic Ocean Global Warming Hurricanes Hydrosphere Metastatistical Analysis
2018/5/14
In this paper, the possible connection between the frequency of Atlantic hurricanes to the climate change, mainly the variation in the Atlantic Ocean surface temperature has been investigated. The cor...
A NEW REALIZATION OF THE GLOBAL LUNAR REFERENCE FRAME BASED ON CO-REGISTERED LOLA TRACKS
Moon LOLA Reference Frame Co-Registration Polar Radius
2018/5/14
We present a method that aligns lunar south and north pole LOLA DTMs using selected LOLA tracks and co-registration techniques. The selected LOLA tracks were then co-registered to the aligned polar DT...
Rise In Severity Of Hottest Days Outpaces Global Average Temperature Increase（图）
Hottest Days Outpaces Global Average Temperature Increase
2018/2/1
While our planet’s average annual temperature has increased at a steady pace in recent decades, there has been an alarming jump in the severity of the hottest days of the year during that same period,...
For Global Invasion,Argentine Ants Use Chemical Weapons（图）
Global Invasion Argentine Ants Chemical Weapons
2018/2/1
From their native home on the banks of South America’s Paraná River, Argentine ants have conquered six continents and many oceanic islands. Their success is explained by several factors: they have mor...
Differential geometry is one of the most research intensive areas of mathematics in the late twentieth and early twenty-first century. Its current prominence stems in part from its position at a cross...