搜索结果: 1-7 共查到“国际动态 生物地球化学”相关记录7条 . 查询时间(2.163 秒)
Small Arctic coastal waterbodies, with big carbon release（图）
Small Arctic coastal waterbodies carbon release
2020/6/5
Arctic coastal watersheds are some of the most threatened regions on Earth, having undergone substantial climatic, physical and biological changes with the warming of the Earth, scientists have found....
地下水是全球最大的液态淡水体，供全球20亿人饮用，地下水质量广受关注。长期以来，对地下水质的研究主要集中在地下水运移过程中的各种物理化学作用，随着研究的深入，科学家们逐渐认识到微生物是改变地下水质的重要参与者，应给予重视。事实上，地下水是多种微生物栖息的空间，微生物参与的氧化还原反应会显著影响地下水质（Chapelle，2001）。
A transdisciplinary team examined regulatory impacts on Great Lakes mercury, focusing on an Upper Peninsula tribal community with high fish consumption.Mercury is a widespread environmental toxicant a...
NSF-supported scientists to present research results on Earth's critical zone at AGU fall meeting
NSF scientists Earth's critical zone AGU fall meeting
2016/11/29
The thin veneer of Earth's surface that stretches from the top of the forest canopy to the base of bedrock is known as the "critical zone." It's where fresh water flows, rock turns to soil, and life f...
Major Storm Events Play Key Role In Biogeochemistry of Watersheds
Major Storm Biogeochemistry Watersheds
2016/2/22
A new Yale-led study offers a new conceptual framework for understanding the biogeochemistry of watersheds. The framework combines hydrologic and biogeochemical theory to test well established concept...
Climate change affects Southern Ocean carbon sink（图）
Climate change greenhouse gases carbon
2007/5/22
18/05/2007，New research by the University of East Anglia provides the first evidence that recent climate change has weakened one the Earth’s natural carbon ’sinks’.Published this week in the journal S...
瑞士发现大面积恐龙脚印区 距今已有1.52亿年
瑞士 恐龙脚印区
2004/10/13
瑞士古生物学者日前在该国西北部侏罗山区又发现大面积恐龙脚印区。统计和测算表明，新发现的580个恐龙脚印的历史距今已有1.52亿年。瑞士侏罗山文化办公室负责人沃尔夫冈·胡格2004年10月11日说，这580个脚印分布在侏罗山瑞士一侧舍沃内市附近600平方米的范围内。截至目前，这一地区已经发现恐龙脚印2000多个。