搜索结果: 1-9 共查到“地球科学总论 US”相关记录9条 . 查询时间(0.101 秒)
Understanding past climate change 'tipping points' can help us prepare for the future
extreme climate change Earth system models hydrosphere
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2021/8/2
Of all the creatures on Earth, humans manipulate their environments the most. But, how far can we push it before something drastic happens? Scientists are calling for a better understanding of past ex...
US corn and soybean maladapted to climate variations
climate variations extreme weather crop yield
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2021/8/4
U.S. corn and soybean varieties have become increasingly heat and drought resistant as agricultural production adapts to a changing climate. But the focus on developing crops for extreme conditions ha...
Natural hazards threaten 57% of US structures
natural disasters temperature environmental change structures
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2021/8/4
More than half of the structures in the contiguous United States are exposed to potentially devastating natural hazards -- such as floods, tornadoes and wildfires -- according to a new study in the AG...
Evaluation of the US DOE's conceptual model of hydrothermal activity at Yucca Mountain, Nevada
the US DOE's conceptual model hydrothermal activity Yucca Mountain Nevada
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2014/12/19
A unique conceptual model describing the conductive heating of rocks in the thick unsaturated zone of Yucca Mountain, Nevada by a silicic pluton emplaced several kilometers away is accepted by the US ...
Downscaling a global climate model to simulate climate change over the US and the implication on regional and urban air quality
Downscaling a global climate model simulate climate change over the US regional and urban air quality
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2014/12/12
Climate change can exacerbate future regional air pollution events by making conditions more favorable to form high levels of ozone. In this study, we use spectral nudging with the Weather Research an...
Impact of a new condensed toluene mechanism on air quality model predictions in the US
a new condensed toluene mechanism air quality model predictions US
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2014/12/9
A new condensed toluene mechanism is incorporated into the Community Multiscale Air Quality Modeling system. Model simulations are performed using the CB05 chemical mechanism containing the existing (...
Comparative study of atmospheric water vapor budget associated with precipitation in Central US and eastern Mediterranean
Comparative study atmospheric water vapor budget associated with precipitation Central US eastern Mediterranean
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2010/9/13
Water vapor budget (WVB) analysis is a powerful tool for studying processes leading to precipitation (P), since the linkages among atmospheric dynamics, water vapor fields, surface conditions, and P a...
Science,mathematics and technology education in the US:a perspective from the frontlines of the classroom to national policy
Science mathematics technology education frontlines classroom national policy
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2010/1/25
In the past decade significant emphasis has been placed on increasing the involvement and influence of the professional scientific community in America's K-12 classrooms. The origins of this thrust ha...
Protein analysis in dissolved organic matter:What proteins from organic debris,soil leachate and surface water can tell us - a perspective
Protein analysis organic matter proteins organic debris soil leachate surface water
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2010/1/12
Mass spectrometry based analysis of proteins is widely used to study cellular processes in model organisms. However, it has not yet routinely been applied in environmental research. Based on observati...