气候变化在极地的显现 英文

合集下载

天气类的英语单词大全

天气类的英语单词大全

天气类的英语单词大全天气是日常生活中的一个重要方面。

了解天气类的英语单词可以帮助我们更好地描述和讨论天气情况。

下面是一个天气类的英语单词大全,希望对大家学习英语和交流天气情况有所帮助。

1. Weather(天气)- the condition of the atmosphere at a particular time and place.2. Climate(气候)- the average weather conditions in a particular area over a long period of time.3. Temperature(温度)- the degree of hotness or coldness of the air.4. Thermometer(温度计)- an instrument used for measuring temperature.5. Celsius(摄氏度)- a temperature scale where water freezes at 0 degrees and boils at 100 degrees.6. Fahrenheit(华氏度)- a temperature scale where water freezes at 32 degrees and boils at 212 degrees.7. Humidity(湿度)- the amount of moisture or water vapor present in the air.8. Dew(露水)- tiny drops of water that form on cool surfaces during the night when the temperature drops.9. Fog(雾)- a thick cloud of tiny water droplets suspended in the air near the ground, causing reduced visibility.10. Mist(薄雾)- a thin layer of water droplets in the air that reduce visibility but less dense than fog.11. Haze(阴霾)- reduced visibility in the air due to the presence of fine dust, smoke, or other particles.12. Cloud(云)- a visible mass of water droplets or ice crystals that float in the atmosphere.13. Rain(雨)- water droplets falling from the clouds in the form of liquid.14. Drizzle(毛毛雨)- light rain consisting of tiny droplets that fall very slowly.15. Shower(阵雨)- a short period of rain that is heavy and intense.16. Snow(雪)- frozen water vapor that falls from the clouds in the form of white crystals.17. Hail(冰雹)- balls or lumps of ice that fall from the sky during a thunderstorm.18. Sleet(雨夹雪)- a mixture of rain and snow that falls from the clouds.19. Thunderstorm(雷暴)- a storm with thunder, lightning, and heavy rain.20. Lightning(闪电)- a sudden flash of light caused by the discharge of electricity between clouds or between a cloud and the ground.21. Rainbow(彩虹)- a circular arc of colors that appears in the sky after rain when the sunlight is refracted, reflected, and dispersed.22. Wind(风)- the natural movement of air caused by differences in temperature and pressure.23. Breeze(微风)- a light and gentle wind.24. Gale(大风)- a very strong wind.25. Hurricane(飓风)- a large and powerful storm with heavy rain and strong winds.26. Tornado(龙卷风)- a violent and destructive rotating column of air that is in contact with both the surface of the earth and a cumulonimbus cloud.27. Storm(暴风雨)- a violent disturbance of the atmosphere with strong winds, thunder, lightning, and usually heavy rain.28. Sunny(晴朗的)- having a lot of sunlight and no clouds in the sky.29. Cloudy(多云的)- covered with clouds, not sunny.30. Partly cloudy(局部多云的)- with some clouds, but also with intervals of sunshine.31. Clear(晴空的)- free from clouds or haze, with a bright sky.32. Overcast(阴天的)- covered with clouds, no sunshine visible.33. Foggy(有雾的)- with thick fog, reduced visibility.34. Rainy(多雨的)- having or characterized by rain.35. Snowy(下雪的)- having or characterized by snowfall.36. Thunderous(有雷的)- accompanied by thunder.37. Windy(有风的)- characterized by or exposed to strong winds.38. Dry(干燥的)- lacking moisture or humidity.39. Wet(湿的)- covered or saturated with water or another liquid.40. Moist(潮湿的)- slightly wet, damp.41. Cold(冷的)- having a low temperature.42. Cool(凉爽的)- moderately cold, not warm.43. Warm(温暖的)- having a moderately high temperature.44. Hot(炎热的)- having a high temperature.45. Freezing(严寒的)- extremely cold, below the freezing point of water.46. Boiling(炎热的)- extremely hot, near the boiling point of water.47. Pleasant(宜人的)- enjoyable, agreeable, nice.48. Unpleasant(不宜人的)- not enjoyable, disagreeable, uncomfortable.49. Changeable(多变的)- likely to change or vary, not stable.50. Stable(稳定的)- not likely to change, firmly established.以上是一个天气类的英语单词大全,涵盖了与天气相关的各种词汇。

气候变化词汇

气候变化词汇

气候变化climate change减缓和适应气候变化to mitigate and adapt to climate change全球变暖global warming脆弱性评估vulnerability assessment累积碳排放cumulative carbon emissions世界的主要碳排放国the world's major carbon-emitting nations排放大国major emitters人均碳排放最多的国家the biggest carbon emitter per person减排要求emissions-cutting requirements气候变化的不确定性the uncertainty surrounding climate change高碳行业carbon-intensive industries高碳能演carbon-intensive energy sources 碳汇carbon sink 定义1:一个碳贮库,它接收来自其他碳贮库的碳,因此贮量随时间增定义2:有机碳吸收超出释放的系统或区域。

如大气、海洋等碳库Carbon reservoir在碳循环过程中,地球系统各个所存储碳的部分Carbon footprint 碳足迹“碳足迹”来源于一个英语单词“CarbonFootprint”,是指一个人的能源意识和行为对自然界产生的影响,简单的讲就是指个人或企业“碳耗用量”。

同时他还是由企业机构、活动、产品或个人引起的温室气体排放的集合。

CCS 碳捕获和储存[包括捕集运输和封存] carbon capture碳捕获低碳技术low-carbon technology无碳能源carbon-free energy汽车碳排放automotive carbon emissions零排放电力来源zero-emission power sources森林碳汇forest carbon sink推卸其应该履行的对发展中国家的义务to shirk responsibilities thatshould be assumed towards developing countries永久冻土层正在融化the permafrost is melting冰川glacier冰河世纪the Ice Age冰盖ice sheet冰帽ice cap冰核ice core六氟化硫sulphur hexafluride绝对减排量absolute cuts in emissions极地冰帽融化提高海平面melting polar ice caps raise ocean levels碳减排项目carbon-abatement projects哥本哈根气候变化峰会the Copenhagen Summit on Climate Change非碳能源non-carbon energy sources鉴于气候的复杂性given the climate's complexity可测量、可报告、可核实measurable, reportable and verifiable 三可MRV有约束力的量化指标binding quantitative targets额外性additionality海冰融化melting sea ice北极冻原the Arctic tundra温室气体排放的最大来源是发电the biggest source of greenhouse-gas emissions is electricity generation减少发电的排放to cut emissions from electricity production气候灾难 a climate disaster吸热气体heat-trapping gases甲烷methane毁林占全球排放的20% deforestation accounts for 20% of global emissions单位GDP的排放量emissions per unit of GDP确定碳强度的指标to set a carbon intensity target碳强度carbon intensity碳强度是指单位GDP的二氧化碳排放量清洁发展机制the Clean Development Mechanism (CDM)历史排放historic emissions当前排放current emissions全球碳排放global carbon emissions巴厘路线图the Bali Roadmap作为2007年联合国气候大会最重要的决议,“巴厘路线图”(Bali Roadmap)确定了世界各国今后加强落实《联合国气候变化框架公约《京都议定书》的后续协议 a successor to the Kyoto Protocol缔约方COP[conference of parties]1993年《联合国气候变化框架公约》the 1993 UN Framework Convention on Climate Change (UNFCCC)联合国政府间气候变化专门委员会the UN's Intergovernmental Panel on Climate Change (IPCC)泥炭地peat lands化石燃料的燃烧释放温室气体the burning of fossil fuels releases greenhouse gases国际气候变化谈判international climate change negotiations将二氧化碳深埋地下to bury carbon dioxide deep underground实现经济的去碳化to decarbonise the economy一氧化二碳nitrous oxide一个原则 common but differentiated responsibilities共同但有区别的原则一个机构IPCC[Iintergovernmental panel on climate change] 政府间气候变化小组两个协议Kyotol Protocol京都议定书UNCFCC[united Nations Framework on climate change]联合国气候变化框架条约两大方法mitigation and adaptation三大机制carbon pricing碳标价emission trading CDM[clean development mechanism]清洁发展机制。

气候变暖问题英文作文

气候变暖问题英文作文

气候变暖问题英文作文英文:Climate change is a pressing issue that we are facing today. The rise in global temperatures has led to a number of environmental challenges, including extreme weather events, rising sea levels, and the loss of biodiversity. These changes have a significant impact on our daily lives, and it is important for us to take action to address this issue.One of the most visible effects of climate change is the increase in extreme weather events. In recent years, we have seen an increase in the frequency and intensity of hurricanes, typhoons, and heatwaves. These events not only pose a threat to human lives, but also cause damage to infrastructure and agriculture. For example, the recent wildfires in California have destroyed thousands of homes and displaced many residents. These extreme weather events are a clear indication of the impact of climate change onour planet.Another consequence of climate change is the rising sea levels. As global temperatures rise, polar ice caps and glaciers are melting at an accelerated rate, causing sea levels to rise. This has led to the displacement of coastal communities and the loss of valuable land. In some low-lying areas, such as the Maldives and parts of Bangladesh, entire communities are at risk of being submerged by rising sea levels. This not only affects the livelihoods of these communities, but also poses a threat to their cultural heritage.Furthermore, climate change has also resulted in the loss of biodiversity. Changes in temperature and precipitation patterns have disrupted ecosystems, leading to the extinction of certain species and the decline of others. For example, coral reefs, which are home to a diverse range of marine life, are under threat due to ocean acidification and rising sea temperatures. The loss of biodiversity not only affects the natural balance of ecosystems, but also has economic and social implications.中文:气候变暖是我们今天面临的一个紧迫问题。

关于全球气候变暖地英语词汇

关于全球气候变暖地英语词汇

关于全球气候变暖的英语词汇absorption n. 吸收accelerated adj. 加速的advancement n. 前进,进步afflict vt. 使痛苦,折磨agriculture n. 农业air pollutant 空气污染物alter v. 改变Antarctic adj. 南极的,南极地带的Antarctica n. 南极洲atmosphere n. 大气,空气atmospheric adj. 大气的atmospheric concentrations ofcarbon dioxide 大气中的二氧化碳浓度atmospheric temperatures 大气温度attributableadj. 可归于 ... 的benign adj. ( 病) 良性的, ( 气候) 良好的biosphere n. 生物圈blizzard n. 大风雪breakthrough n. 突破buildup n. 组合,形成burning of fossil fuels 燃烧燃料byproduct 副产品carbon dioxide emissions 二氧化碳的排放carbon monoxide n.[ 化] 一氧化碳catastrophic adj. 悲惨的,灾难的chemical composition of the atmosphere 大气层的化学成分cholera n.[ 医] 霍乱circulation n. 循环climate zones 气候区climaticadj. 气候上的colorless adj. 无色的combustion n. 燃烧complexity n. 复杂的事情,复杂性composition n. 成分,合成物compound n. 混合物, [ 化] 化合物concentration n. 集中,浓度conserve vt.保存crack n. 裂缝cropland n. 农田cyclone n. 飓风,龙卷风, [ 气] 气旋deadly adj. 致命的 decompositon n. 分解,腐烂deforestation n. 采伐森林,森林开伐deluge n. 洪水,豪雨; v. 使泛滥descendant n. 子孙后代desert n. 沙漠; adj. 沙漠的,不毛的,荒凉的desertification n. 沙漠化deteriorate v. ( 使) 恶化detrimental adj. 有害的devastate vt. 毁坏devastating adj. 破坏性的dike n. 堤防disaster n. 灾难,灾祸displace vt. 移置,取代,转移disrupt v. 使陷入混乱,破坏drought n. 干旱ecological damage 生态破坏ecosystem n. 生态系统emit vt. 发出,散发energy consumption 能源消耗environmental awareness 环境 ( 保护 )意识epidemic adj. 流行的,传染的;n. 时疫erode vt. 侵蚀,腐蚀; vi. 受腐蚀,逐渐消蚀掉evaporation n. 蒸发(作用) extreme adj.极端的; n. 极端的事物 Fahrenheit adj.华氏温度计的; n. 华氏温度计fatal respiratory illness 致命的呼吸道疾病fertile adj. 肥沃的,富饶的filter n. 滤波器; vt. 过滤,渗透fluctuation n. 波动,起伏forest destruction 森林破坏1forest n. 森林frequency n. 频率,发生次数gas emission 气体排放geological data 地质资料geology n. 地质学,地质概况glacier n. 冰河global warming 全球变暖grassland n. 牧草地,草原greed n. 贪欲,贪婪greenery n. 温室,草木正Global warming is one of the mostserious environmental issues that weface today.Scientific assessmentsindicate that if the human-createdgreenhouse gas emissions are leftunchecked,the excessive warming is very likely to distort climatepatterns and cause significant impacts on both natural and human systems.As the two largest emitters of greenhouse gasesin today's world, both United Statesand China face great challenges ofglobalwarming and climate ing quantitative data from multiple sources including surveys,newspapers,and government documents,this studyexamines major dimensions,concerns and policy developments surrounding theissueof global warming and climate change in the United States and China.Implicationsof the study are discussed in theconclusion.月30 日消息,随着全球气候变暖的危机越来越明显,而各国环保投资缺口明显的问题,联合国最近提出应对气候变化融资的提议。

global phenomenon英文解释

global phenomenon英文解释

"Global phenomenon" 是一个英文短语,用来描述一个在全球范围内普遍存在或广泛发生的现象或事件。

它通常用于指代在不同国家、地区或文化中都可以观察到的重要、突出的现象。

这个短语强调了一个现象的普遍性和广泛性,以及它对全球范围内各个社会、经济或文化方面产生的影响。

这种现象可以是自然现象、社会现象、文化现象或其他各种类型的事件或情况。

举例来说,"climate change is a global phenomenon"(气候变化是一个全球现象),强调了气候变化不仅在一个特定地区或国家发生,而是在全球范围内都有影响。

"Global phenomenon" 这个短语也常常用于描述在全球范围内引起广泛关注或讨论的流行文化现象、社会趋势或其他重要事件。

这些可以包括全球性的流行音乐、时尚趋势、社交媒体挑战、全球化的商业趋势等。

"Global phenomenon" 用于描述在全球范围内具有普遍性和重要性的现象,包括但不限于以下领域:1.自然现象:全球性的自然灾害如地震、海啸、台风等,以及气候变化、全球变暖等全球性气候事件。

2.社会文化现象:全球范围内的社会文化趋势,如全球化带来的文化交流、国际间的文化融合,以及全球性的文化活动、节日等。

3.经济现象:全球性的经济趋势和事件,如全球金融危机、国际贸易形势变化、全球市场的趋势等。

4.科技进步:全球性的科技革新、科学发现和技术突破,如互联网的普及、人工智能的发展、太空探索等。

5.流行文化:全球性的流行文化现象,如流行音乐、流行电影、流行电视剧、社交媒体挑战、流行时尚等。

"Global phenomenon" 一词强调了一个现象在全球范围内的重要性和普遍性,它是跨越地域和文化的,影响着全球各个方面的生活和发展。

这个短语通常用于描述对全球社会、经济和文化产生重大影响的事件、趋势或现象。

气候变化专业中英词汇对照

气候变化专业中英词汇对照

气候变化 climate change减缓和适应气候变化 to mitigate and adapt to climate change全球变暖 global warming脆弱性评估 vulnerability assessment累积碳排放 cumulative carbon emissions世界的主要碳排放国 the world's major carbon-emitting nations排放大国 major emitters人均碳排放最多的国家 the biggest carbon emitter per person减排要求 emissions-cutting requirements气候变化的不确定性 the uncertainty surrounding climate change高碳行业 carbon-intensive industries高碳能演 carbon-intensive energy sources低碳技术 low-carbon technology无碳能源 carbon-free energy汽车碳排放 automotive carbon emissions零排放电力来源 zero-emission power sources森林碳汇 forest carbon sink推卸其应该履行的对发展中国家的义务 to shirk responsibilities that should be assumed towards developing countries永久冻土层正在融化 the permafrost is melting冰川 glacier冰河世纪 the Ice Age冰盖 ice sheet冰帽 ice cap冰核 ice core六氟化硫 sulphur hexafluride绝对减排量 absolute cuts in emissions极地冰帽融化提高海平面 melting polar ice caps raise ocean levels碳减排项目 carbon-abatement projects哥本哈根气候变化峰会 the Copenhagen Summit on Climate Change非碳能源 non-carbon energy sources鉴于气候的复杂性 given the climate's complexity可测量、可报告、可核实 measurable, reportable and verifiable三可 MRV有约束力的量化指标 binding quantitative targets额外性 additionality海冰融化 melting sea ice北极冻原 the Arctic tundra温室气体排放的最大来源是发电 the biggest source of greenhouse-gas emissions is electricity generation减少发电的排放 to cut emissions from electricity production气候灾难 a climate disaster吸热气体 heat-trapping gases甲烷 methane毁林占全球排放的20% deforestation accounts for 20% of global emissions单位GDP的排放量 emissions per unit of GDP确定碳强度的指标 to set a carbon intensity target碳强度 carbon intensity清洁发展机制 the Clean Development Mechanism (CDM)历史排放 historic emissions当前排放 current emissions全球碳排放 global carbon emissions巴厘路线图 the Bali Roadmap共同但有区别的责任 common but differentiated responsibilites《京都议定书》 the Kyoto Protocol《京都议定书》的后续协议 a successor to the Kyoto Protocol1993年《联合国气候变化框架公约》 the 1993 UN Framework Convention on Climate Change (UNFCCC)联合国政府间气候变化专门委员会 the UN's Intergovernmental Panel on Climate Change (IPCC)泥炭地 peat lands化石燃料的燃烧释放温室气体 the burning of fossil fuels releases greenhouse gases国际气候变化谈判 international climate change negotiations将二氧化碳深埋地下 to bury carbon dioxide deep underground实现经济的去碳化 to decarbonise the economy一氧化二碳 nitrous oxide。

南极气候的英语

南极气候的英语

南极气候的英语The Antarctic ClimateThe Antarctic continent, situated at the southernmost point of the Earth, is a vast and inhospitable region that has captivated the imagination of explorers, scientists, and adventurers alike. With its extreme temperatures, relentless winds, and vast expanses of ice, the Antarctic climate is a unique and fascinating phenomenon that has a profound impact on the global ecosystem.At the heart of the Antarctic climate is the continent's geography. Surrounded by the Southern Ocean, the Antarctic landmass is isolated from the rest of the world, creating a unique set of atmospheric and oceanic conditions that shape the region's weather patterns. The continent's high elevation, with an average height of over 2,000 meters above sea level, contributes to its extreme temperatures, which can plummet to well below freezing even during the summer months.One of the most defining features of the Antarctic climate is its extreme cold. The continent is home to the coldest temperatures ever recorded on Earth, with the lowest temperature reaching astaggering -129°C (-200°F) at Vostok Station in 1983. This bitterly cold climate is the result of several factors, including the continent's high latitude, its high elevation, and the presence of a thick layer of ice that reflects much of the sun's energy back into space.The Antarctic climate is also characterized by strong, persistent winds that can reach speeds of over 300 kilometers per hour (200 miles per hour). These winds, known as katabatic winds, are created by the dense, cold air that flows down from the continent's interior towards the coast, creating a powerful and relentless force that shapes the region's weather patterns.Despite the extreme cold and wind, the Antarctic climate is not entirely devoid of precipitation. The continent does experience snowfall, although the amount varies greatly depending on location. The coastal regions of the continent tend to receive more snowfall, while the interior can be extremely dry and arid. The snow that does fall in the Antarctic can take on a variety of forms, from delicate snowflakes to hard, icy pellets known as sastrugi.The Antarctic climate has a profound impact on the region's ecosystems and the global climate as a whole. The continent's vast ice sheets, which cover over 98% of the landmass, play a crucial role in regulating the Earth's temperature and sea levels. As the planet's climate continues to change, the fate of the Antarctic ice sheets hasbecome a major concern, with scientists closely monitoring their behavior and the potential for accelerated melting.In addition to its impact on the global climate, the Antarctic climate also shapes the region's unique and diverse ecosystem. The continent is home to a variety of plant and animal life, including penguins, seals, and a variety of marine organisms that have adapted to the harsh conditions of the Antarctic environment. These species have evolved unique strategies for survival, such as the ability to regulate their body temperature and conserve energy in the face of the extreme cold and limited food resources.Despite the challenges posed by the Antarctic climate, the region has long been a draw for explorers, scientists, and adventurers seeking to unravel the mysteries of this extraordinary place. From the early expeditions of the 19th and 20th centuries to the cutting-edge scientific research being conducted today, the Antarctic continent continues to captivate and inspire those who are drawn to its unique and fascinating climate.In conclusion, the Antarctic climate is a complex and multifaceted phenomenon that has a profound impact on the global ecosystem and the lives of those who venture into this remote and inhospitable region. From its extreme temperatures and persistent winds to its role in regulating the Earth's climate, the Antarctic climate is atestament to the power and resilience of the natural world, and a constant source of fascination and wonder for those who seek to understand it.。

全球变暖北极冰川融化英语作文

全球变暖北极冰川融化英语作文

全球变暖北极冰川融化英语作文Possible English version:Global warming is causing the melting of Arctic glaciers at an alarming rate. This has significant implications for the environment, wildlife, and human activities in theArctic region, as well as for global climate and sea level rise.Q: Why are Arctic glaciers melting?A: Arctic glaciers are melting primarily because ofrising temperatures caused by the accumulation of greenhouse gases in the atmosphere, mainly from human activities such as burning fossil fuels, deforestation, and agriculture. This leads to a positive feedback loop of warming and melting, as less ice reflects more sunlight and absorbs more heat, further increasing the temperature and melting.Q: What are the consequences of Arctic glacier melting?A: The consequences of Arctic glacier melting are manifold. Firstly, it affects the habitat and survival of various species that depend on the ice, such as polar bears,seals, walruses, and whales. As the ice retreats, these animals have to travel longer distances to find food, mate, and rest, which can lead to population decline or migration. Secondly, it alters the physical and chemical properties of the Arctic Ocean, such as salinity, temperature, and circulation, which can affect the marine ecosystem and the global oceanic currents. Thirdly, it impacts humanactivities in the Arctic, such as shipping, fishing, and resource extraction, by opening up new routes and opportunities but also increasing risks and conflicts. Fourthly, it contributes to global climate change by releasing stored carbon and methane from the permafrost and the ocean floor, and by reducing the albedo (reflectivity)of the planet, which can amplify the warming and the feedback loop. Finally, it raises sea levels by adding more water to the ocean, which can inundate coastal areas and threaten infrastructure, economy, and public health worldwide.Q: What can we do to mitigate or adapt to Arctic glacier melting?A: There are several things we can do to address the issue of Arctic glacier melting. Firstly, we can reduce our greenhouse gas emissions by adopting cleaner and more efficient technologies, promoting renewable energy, conserving energy, and changing our lifestyle and consumption patterns. This can slow down the rate of warming and melting, and give more time for adaptation. Secondly, we can enhance our understanding and monitoring of the Arctic environment and its changes, by investing in research, observation, and data sharing, and by involving local communities and indigenous knowledge. This can help us anticipate and respond to the impacts of melting, and avoid unintended consequences. Thirdly, we can cooperate internationally and regionally to manage the risks and opportunities of Arctic development, by establishing governance frameworks, regulations, and standards, and by fostering dialogue, collaboration, and mutual respect. This can ensure that the benefits of melting are shared fairly and sustainably, and that the risks are minimized and managed. Fourthly, we can support the adaptation and resilience of Arctic and non-Arctic communities and ecosystems, by providing resources, knowledge, and capacitybuilding, and by respecting their rights, values, and cultures. This can enhance the adaptive capacity and diversity of human and natural systems, and ensure that no one is left behind. Finally, we can raise awareness and engage the public, the media, and the decision-makers, by communicating the urgency, the complexity, and the opportunities of Arctic glacier melting, and by promoting a sense of responsibility, creativity, and hope. This can mobilize the collective action and innovation needed to address one of the most pressing challenges of our time.全球变暖导致北极冰川融化的速度惊人。

  1. 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
  2. 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
  3. 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。

Greenland Ice Mass Loss 2002-2009 Derived From NASA GRACE Gravity Mission
Greenland
Change in Ice Mass Loss Gigatons
Velicogna, Geophysical Research Letters, 2009
•Contributes to sea level rise
J. Wahr, U. Colorado
B. Holt - JPL
2009 NOAA Arctic Report Card
B. Holt - JPL
Backup
B. Holt - JPL
Evidence and Impact of Arctic Warming
Barrow, Alaska +30°F
South Pole -80°F !!
Sea Ice (colored) and Land Ice (white)
/
B. Holt - JPL
Arctic Sea Ice – Reduced Extent
September 19, 2010
Satellite Record
11.5 % Reduction Per Decade since 1979
B. Holt - JPL
Arctic Sea Ice Thickness Submarine and Satellite Record 1958-2007
•Sea ice thickness shows decadal thinning – over 40 %
•Sea ice – thinning (>40%) and shrinking (11.5% / decade) •Permafrost melting – also releases methane •Land ice melting – sea level change •Loss of sea ice – impacts habitat of polar bears, walruses
Ice / Snow Absorbs 15%
•Increased warming => less ice => more open water => warmer water =>more ice melt and so on
B. Holt - JPL
Arctic and Antarctic Ice as key indicator of climate change
Reference: Kwok & Rothrock, Geophysical Research Letters, 2009
B. Holt - JPL
Land Ice Glaciers, Greenland, Antarctica
~Water stored above sea level
B. Holt - JPL
Climate Change in Earth’s Polar Regions
Ben Holt Oceans-Ice Group Jet Propulsion Laboratory
Arctic Ocean, 1982
B. olt - JPL
Global Temperature Change Enhanced at Poles
B. Holt - JPL
•Ecosystem shifts – from Arctic to subarctic communities
•Increase human activities – shipping and oil production
B. Holt - JPL
Sources, References
/cryosphere/ http:/research/news /reportcard/
Average 2001-2007 Surface Temperature Change, Relative to the 1951-1980 Average (◦C)
B. Holt - JPL
Sunlight Reflectivity on Ice and Ocean
Sunlight 100 % Reflected 85% Sunlight 100 % Reflected 7%
相关文档
最新文档