搜索结果: 76-90 共查到“国际动态 土壤学”相关记录137条 . 查询时间(3.321 秒)
UD prof studies how permafrost thawing affects vegetation,carbon cycle
UD prof permafrost thawing vegetation carbon cycle
2016/3/11
“There is a lot of carbon frozen in the Arctic soil’s permafrost layer. If this all thaws out, prevailing thought is that the carbon in the soil could be released to the atmosphere and potentially acc...
Rice University scientists are cleaning soil contaminated by oil spills in a way that saves energy and reclaims the soil’s fertility.They use a process known as pyrolysis, which involves heating ...
Three new Engineering Research Centers will advance U.S. resiliency and sustainability
Three new Engineering Research Centers U.S. resiliency sustainability
2015/8/13
The National Science Foundation (NSF) has invested $55.5 million in three new Engineering Research Centers (ERCs) to create novel technology platforms and transform industries. These three ERCs will a...
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University of Oregon geologists have seen ridges and valleys form in real time and — even though the work was a fast-forwarded operation done in a laboratory setting — they now have an idea of how cli...
![](http://www.firstlight.cn/upload/imgfile/20157/13/201571315439284.jpg)
As we walk along a forest path, the soil beneath our feet seems like a uniform substance. However, it is an intricate network of soil particles, pores, minerals, soil microbes, and more. It is awash i...
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美国发射土壤水分监测卫星(图)
美国 土壤水分 监测卫星
2015/2/2
在全球范围内,土壤保持着地球的一小部分水分。然而这些水分在水、碳和能量的循环过程中依然是一个至关重要的方面:它决定了一个地区对于干旱及洪涝的敏感程度,决定了植物能否很好地生长并吸收大气中的碳,同时还决定了地球的升温与冷却——这是暴风的一个关键驱动因素。然而在大多数情况下,土壤水分的监测一直依赖于稀疏设置在地面上的探测器。美国剑桥市麻省理工学院(MIT)水文学家Dara Entekhabi表示:“在...
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New study in Geology shows humans erode soil 100 times faster than nature(图)
in Geology humans erode soil 100 times faster
2015/1/20
forest and starting intensive agriculture can accelerate erosion so dramatically that in a few decades as much soil is lost as would naturally occur over thousands of years.Had you stood on the banks ...
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美国佛罗里达州立大学叶明副教授访问中国科学院青藏高原研究所(图)
中国科学院青藏高原研究所 叶明 土壤
2014/9/10
2014年9月5日,应中国科学院青藏高原研究所张凡研究员邀请,Water Resources Research、Journal of Hydrology杂志副主编、美国佛罗里达州立大学科学计算系叶明副教授访问青藏高原所,并作题为A Bayesian Framework for Environmental Uncertainty Quantification with Application to ...
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2014年7月22日,澳大利亚西澳大学地球与环境学院陈应龙博士应邀访问中国科学院南京土壤研究所,并作了题为Alterations in root architecture and rhizosphere exudation in narrow-leafed in lupin genotypes for better adaptation to defecient and heterogeneous...
Science: There's something ancient in the icebox
Science There's something ancient the icebox
2014/5/13
Glaciers are commonly thought to work like a belt sander. As they move over the land they scrape off everything — vegetation, soil, and even the top layer of bedrock. So scientists were greatly surpri...
美国特拉华大学Donald Sparks教授访问南京土壤研究
同步辐射技术 环境污染 食品安全
2013/4/25
2013年4月20日,应中国科学院创新促进会南京土壤研究所小组的邀请,美国特拉华大学Donald Sparks教授访问了中国科学院南京土壤研究所。访问期间,Sparks教授作了题为Shining Light on Environmental Biogeochemical Processes: The Significant Role of Synchrotron Radiation的报告。土壤所青...
2013年4月20日,应中国科学院创新促进会南京土壤研究所小组的邀请,美国特拉华大学Donald Sparks教授访问了中国科学院南京土壤研究所。访问期间,Sparks教授作了题为Shining Light on Environmental Biogeochemical Processes: The Significant Role of Synchrotron Radiation的报告。土壤所青...
美国农业部“土地休耕计划”再次扩容
美国农业部 土地休耕计划 扩容
2012/6/27
美国农业部部长Tom Vilsack近日宣布将43次“土地休耕计划”(CRP)的常规签约土地再次扩增390万英亩。在四个星期的签约时间内,农业部收到了近4.8万份的申请,共涉及450万英亩的土地。这突显出农业部在美实施自愿保护土地、水、空气和野生生物资源行动中所占据的重要地位。从2009年开始,农业部已经成功地将1200万英亩土地纳入到了CRP计划中。现在,农业部共签署了73.6万份合约,登记了2...
USDA Releases New Data on Soil Erosion and Development of Private Lands
New Data Soil Erosion Private Lands
2010/4/29
Agriculture Deputy Secretary Kathleen Merrigan today announced that soil erosion on cropland declined by more than 40 percent during the past 25 years, while more than one-third of all development of ...
New training in managing soil biology is being developed after feedback from well attended field days and workshops in Central and Northern NSW last year.More than 200 landholders in those regions too...