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cometring木虫 (著名写手)
爱你就等于爱自己
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[交流]
重金求助有关化石燃料利用的相关资料
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由于做幻灯片需要，现在寻找有关化石燃料能用多少年的相关文献，资料。 相关要求如下 1 英文的 2 最好是文献，相关网址也可以(可以进行引用) 3 能反映出化石燃料可以让人类使用多少年，用于表达化石燃料会枯竭 很着急，希望大家帮忙！谢谢大家！ |
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merrylutao
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2楼2007-07-27 13:08:36
cometring
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3楼2007-07-27 14:25:31
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cometring(金币+10):谢谢，辛苦了！
cometring(金币+10):谢谢，辛苦了！
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上很多的，你输入Fossil fuel 查查： 我给你两个连接，其他的你自己看看 http://en.wikipedia.org/wiki/Fossil_fuel http://oaspub.epa.gov/trs/trs_pr ... &p_term_cd=TERM |
4楼2007-07-27 14:40:24
cometring
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5楼2007-07-27 15:50:15
6楼2007-07-27 17:09:09
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Fossil fuel-free in 20 years? George Monbiot July 12, 2007 http://www.chinadialogue.net/article/show/single/en/1162 |
7楼2007-07-27 17:10:13
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http://environment.guardian.co.uk/ Reading a scientific paper on the train recently, I found, to my amazement, that my hands were shaking. This has never happened to me before, but nor have I ever read anything like it. Published by a team led by James Hansen at NASA, it suggests that the grim reports issued by the Intergovernmental Panel on Climate Change (IPCC) could be absurdly optimistic. The IPCC predicts that sea levels could rise by as much as 59 centimetres this century. Hansen’s paper argues that the slow melting of ice sheets that the panel expects doesn’t fit the data. The geological record suggests that ice at the poles does not melt in a gradual and linear fashion, but flips suddenly from one state to another. When temperatures increased to between two and three degrees above today’s level 3.5 million years ago, sea levels rose not by 59 centimetres but by 25 metres. The ice responded immediately to changes in temperature. We now have a pretty good idea of why ice sheets collapse. The buttresses that prevent them from sliding into the sea break up; meltwater trickles down to their base, causing them suddenly to slip; and pools of water form on the surface, making the ice darker so that it absorbs more heat. These processes are already taking place in Greenland and west Antarctica. Rather than taking thousands of years to melt, as the IPCC predicts, Hansen and his team find it “implausible” that the expected warming before 2100 “would permit a west Antarctic ice sheet of present size to survive even for a century”. As well as drowning most of the world’s centres of population, a sudden disintegration could lead to much higher rises in global temperature, because less ice means less heat reflected back into space. The new paper suggests that the temperature could therefore be twice as sensitive to rising greenhouse gases than the IPCC assumes. “Civilisation developed,” Hansen writes, “during a period of unusual climate stability, the Holocene, now almost 12,000 years in duration. That period is about to end.” I looked up from the paper, almost expecting to see crowds stampeding through the streets. I saw people chatting outside a riverside pub. The other passengers on the train snoozed over their newspapers or played on their mobile phones. Unaware of the causes of our good fortune, blissfully detached from their likely termination, we drift into catastrophe. Or we are led there. A good source tells me that the British government is well aware that its target for cutting carbon emissions -- 60% by 2050 -- is too little too late, but that it will go no further for one reason: it fears losing the support of the Confederation of British Industry (CBI). Why this body is allowed to keep holding a gun to our heads has never been explained, but the United Kingdom’s new prime minister, Gordon Brown, has just appointed Digby Jones, the CBI’s former director-general, as a minister in the department responsible for energy policy. I don’t remember voting for him. There could be no clearer signal that the public interest is being drowned by corporate power. The government’s energy programme, partly as a result, is characterised by a complete absence of vision. You can see this most clearly when you examine its plans for renewables. The European Union has set a target for 20% of all energy in the member states to come from renewable sources by 2020. This in itself is pathetic. But the British government refuses to adopt it: instead it proposes that 20% of our electricity (just part of our total energy use) should come from renewable power by that date. Even this is not a target, just an “aspiration”, and we are on course to miss it. Worse still, the government has no idea what happens after that. I recently asked whether it had commissioned any research to discover how much more electricity we could generate from renewable sources. It has not. It’s a critical question, whose answer -- if its results were applied globally -- could determine whether or not the planetary “albedo flip” that Hansen predicts takes place. There has been remarkably little investigation of this issue. Until recently I guessed that the maximum contribution from renewables would be something like 50%: beyond that point the difficulties of storing electricity and balancing the power grid could become overwhelming. But three papers now suggest that we could go much further. Last year, the German government published a study of the effects of linking the electricity networks of all the countries in Europe and connecting them to North Africa and Iceland with high-voltage direct-current cables. This would open up a much greater variety of renewable power sources. Every country in the network would then be able to rely on stable and predictable supplies from elsewhere: hydroelectricity in Scandinavia and the Alps, geothermal energy in Iceland and vast solar thermal farms in the Sahara. By spreading the demand across a much wider network, it suggests that 80% of Europe’s electricity could be produced from renewable power without any greater risk of blackouts or flickers. At about the same time, Mark Barrett, of University College London, published a preliminary study looking mainly at ways of altering the pattern of demand for electricity to match the variable supply from wind and waves and tidal power. At about twice the current price, he found that we might be able to produce as much as 95% of our electricity from renewable sources without causing interruptions in the power supply. Now a new study by the Centre for Alternative Technology, in Wales, takes this even further. It is due to be published very shortly, but I have been allowed a preview. It is remarkable in two respects: it suggests that by 2027 we could produce 100% of our electricity without the use of fossil fuels or nuclear power, and that we could do so while almost tripling its supply; our heating systems (using electricity to drive heat pumps) and our transport systems could be mostly powered by it. It relies on a great expansion of electricity storage: building new hydroelectric reservoirs into which water can be pumped when electricity is abundant, constructing giant vanadium flow batteries and linking electric cars up to the grid when they are parked, using their batteries to meet fluctuations in demand. It contains some optimistic technical assumptions, but also a very pessimistic one: that the UK relies entirely on its own energy supplies. If the German proposal were to be combined with these ideas, we could begin to see how we might reliably move towards a world without fossil fuels. If Hansen is correct, to avert the meltdown that brings the Holocene to an end we require a sort of political “albedo flip”. The government must immediately commission studies to discover how much of our energy could be produced without fossil fuels, set that as its target and then turn the economy round to meet it. But a power shift like this cannot take place without a power shift of another kind: we need a government which fears planetary meltdown more than it fears the CBI. |
8楼2007-07-27 17:12:09
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基于自然，开发可再生能源 "化石燃料有限，而且危害生态环境- 怎么办呢? 面临着化石燃料短缺甚至几近枯竭的现状，并肩负着须为后代营造良好环境的责任，我们急需开拓一条新的获取能源之路，从而研发石油替代品便凸显出经济性、重要性和必要性。 普照地球的太阳能被转化成热能之后，通过光合作用成为储存能源。 并行的， 等量的能源输入与输出是地球维持适宜恒温的前提， 又是维持人类生存环境的前提。" http://www.choren.com/cn/choren_industries/_/ |
9楼2007-07-27 17:13:27
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中国经济系统中化石燃料的物质流分析徐明 张天柱清华大学环境科学与工程系，北京100084 移动用户 编辑短信 020 到 777783061 （每条2元） 联通用户 编辑短信 A 到 911311 （每条2元） 小灵通用户 编辑短信 FHR 到 1189800 （每条1元,需发2条） 获得全文提取码！（2.00 元/篇） 正常打开全文，须下载安装 PDF阅读器 部分地区用户不支持此短信业务（例如大众卡、套餐用户等），收不到提取码不会产生扣费。小灵通开通范围说明。其他的支付方式 包括神州行充值卡、支付宝、网上银行卡、维普阅读卡、电汇等。 摘 要:研究了中国经济系统与自然环境间相互作用，为可持续发展提供可度量的指标，对1990至2000年间中国经济系统所使用的化石燃料数据进行统计分析。以在欧美得到广泛应用的物质流分析方法为基础，结合中国统计资料的特点，重点计算化石燃料物质需求总量，并通过与人口、经济数据的结合得到其他统计指标。研究表明，中国经济系统对化石燃料的利用存在很多问题，为了实现化石燃料利用的可持续发展，2010年和2050年中国对化石燃料的利用效率应该分别达到1990年西德和1994年日本的水平。 |
10楼2007-07-27 17:15:18