气候变化将对美国中西部产生深远影响-凯发k8官网

气候变化将对美国中西部产生深远影响
文章来源:未知 文章作者:enread 发布时间:2013-01-20 02:32 字体: [ ] 
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in the coming decades, climate change will lead to more frequent and more intense midwest heat waves while degrading air and water quality and threatening public health. intense rainstorms and floods will become more common, and existing risks to the great lakes will be exacerbated(加重,恶化). those are some of the conclusions contained in the midwest chapter of a draft report released last week by the federal government that assesses the key impacts of climate change on every region in the country and 1 its likely effects on human health, water, energy, transportation, agriculture, forests, 2 and biodiversity.
 
three university of michigan researchers were lead 3(召开) authors of chapters in the 1,100-plus-page national climate 4, which was written by a team of more than 240 scientists.
 
university of michigan 5 ecologist donald scavia was a lead convening author of the midwest chapter. dan brown of the school of natural resources and environment was a lead convening author of the chapter on changes in land use and land cover. rosina bierbaum of snre and the school of public health was a lead convening author of the chapter on climate change adaptation. missy stults, a research assistant with bierbaum and a doctoral student at the a. alfred taubman college of architecture and urban planning, was a contributing author on the adaptation chapter.
 
in addition, bierbaum and marie o'neill of the school of public health serve on the 60-person 6 committee that 7 development of the draft report, which is the third federal climate assessment report since 2000. the report stresses that climate change is already affecting americans, that many of its impacts are expected to 8 in coming decades, and that the changes are primarily driven by human activity.
 
"climate change impacts in the midwest are expected to be as diverse as the landscape itself. impacts are already being felt in the forests, in agriculture, in the great lakes and in our urban centers," said scavia, director of the graham sustainability institute and special counsel to the u-m president on sustainability issues.
 
in the midwest, extreme rainfall events and floods have become more common over the last century, and those trends are expected to continue, causing erosion, declining water quality and negative impacts on transportation, agriculture, human health and 9, according to the report.
 
climate change will likely worsen a host of existing problems in the great lakes, including changes in the range and distribution of important commercial and recreational fish species, increases in invasive species, declining beach health, and more frequent harmful 10 blooms. however, declines in ice cover on the great lakes may 11 the commercial 12 season.
 
in agriculture, longer growing seasons and rising carbon dioxide levels are likely to increase the yields of some midwest crops over the next few decades, according to the report, though those gains will be increasingly 13 by the more frequent occurrence of heat waves, droughts and floods. in the long term, combined stresses associated with climate change are expected to decrease agricultural productivity in the midwest.


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1 e2e80b8320e1dd8d4c035d41fd7e44e5     
v.分析( analyze的第三人称单数 );分解;解释;对…进行心理分析
参考例句:
  • this approach analyzes management by studying experience usually through cases. 这个学派通常从实例获得经验,用以分析管理。 来自辞典例句
  • the econometrician analyzes statistical data. 经济计量学者要分析统计材料。 来自辞典例句
2 94cb0e40a815bea1157ac8aab9a5380d     
n.生态系统( ecosystem的名词复数 )
参考例句:
  • there are highly sensitive and delicately balanced ecosystems in the forest. 森林里有高度敏感、灵敏平衡的各种生态系统。 来自《简明英汉词典》
  • madagascar's ecosystems range from rainforest to semi-desert. 马达加斯加生态系统类型多样,从雨林到半荒漠等不一而足。 来自辞典例句
3 4d413e01efbc28ab0312f400ad5ce18a     
召开( convene的现在分词 ); 召集; (为正式会议而)聚集; 集合
参考例句:
  • when convening the assembly, however, you shall blow without sounding an alarm. 民10:7但招聚会众的时候、们要吹号、不要吹出大声。
  • we warmly welcome the convening of asia-europe meeting in london. 热烈欢迎亚欧会议在伦敦召开。
4 vo7yu     
n.评价;评估;对财产的估价,被估定的金额
参考例句:
  • this is a very perceptive assessment of the situation.这是一个对该情况的极富洞察力的评价。
  • what is your assessment of the situation?你对时局的看法如何?
5 mvxzk     
adj.水生的,水栖的
参考例句:
  • aquatic sports include swimming and rowing.水上运动包括游泳和划船。
  • we visited an aquatic city in italy.我们在意大利访问过一个水上城市。
6 lkvyj     
adj.劝告的,忠告的,顾问的,提供咨询
参考例句:
  • i have worked in an advisory capacity with many hospitals.我曾在多家医院做过顾问工作。
  • he was appointed to the advisory committee last month.他上个月获任命为顾问委员会委员。
7 1175bee226edb4f0a38466d02f3baa27     
v.监督,监视( oversee的过去式 )
参考例句:
  • he will go down as the president who oversaw two historic transitions. 他将作为见证了巴西两次历史性转变的总统,安然引退。 来自互联网
  • dixon oversaw the project as creative director of design research studio. 狄克逊监督项目的创意总监设计研究工作室。 来自互联网
8 s5pxe     
vt.加强;变强;加剧
参考例句:
  • we must intensify our educational work among our own troops.我们必须加强自己部队的教育工作。
  • they were ordered to intensify their patrols to protect our air space.他们奉命加强巡逻,保卫我国的领空。
9 ubbz5     
n.下部构造,下部组织,基础结构,基础设施
参考例句:
  • we should step up the development of infrastructure for research.加强科学基础设施建设。
  • we should strengthen cultural infrastructure and boost various types of popular culture.加强文化基础设施建设,发展各类群众文化。
10 tk6yw     
n.水藻,海藻
参考例句:
  • most algae live in water.多数藻类生长在水中。
  • algae grow and spread quickly in the lake.湖中水藻滋蔓。
11 n34y1     
vt.使伸长,延长
参考例句:
  • he asked the tailor to lengthen his coat.他请裁缝把他的外衣放长些。
  • the teacher told her to lengthen her paper out.老师让她把论文加长。
12 wesyg     
n.船运(发货,运输,乘船)
参考例句:
  • we struck a bargain with an american shipping firm.我们和一家美国船运公司谈成了一笔生意。
  • there's a shipping charge of £5 added to the price.价格之外另加五英镑运输费。
13 mizx8     
n.分支,补偿;v.抵消,补偿
参考例句:
  • their wage increases would be offset by higher prices.他们增加的工资会被物价上涨所抵消。
  • he put up his prices to offset the increased cost of materials.他提高了售价以补偿材料成本的增加。
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