1、歡迎進(jìn)入青海大學(xué)圖書館網(wǎng)絡(luò)資源數(shù)據(jù)庫(kù)下面一起先來了解一下EBSCOhost，以及其檢索過程首先我們一起來了解EBSOhost數(shù)據(jù)庫(kù)： EBSCOhost是美國(guó)EBSCO公司為數(shù)據(jù)庫(kù)檢索設(shè)計(jì)的系統(tǒng)，有近60個(gè)數(shù)據(jù)庫(kù)，其中全文數(shù)據(jù)庫(kù)10余個(gè)。 用戶進(jìn)入EBSCOhost系統(tǒng)平臺(tái)后，先要選擇檢索平臺(tái)，因?yàn)橄到y(tǒng)升級(jí)后，加強(qiáng)了對(duì)商業(yè)數(shù)據(jù)庫(kù)檢索功能，增加了商業(yè)檢索平臺(tái)（Business Searching Interface ，BSI）。通過這個(gè)平臺(tái)，用戶可檢索和瀏覽國(guó)家經(jīng)濟(jì)報(bào)告、公司概況、工業(yè)信息和市場(chǎng)研究報(bào)告，以及雜志、圖書等文獻(xiàn)信息。這個(gè)平臺(tái)只是適用于BSP數(shù)據(jù)庫(kù)。而EBSCOhost Web檢索平

2、臺(tái)下可以對(duì)所有數(shù)據(jù)庫(kù)實(shí)施檢索。 檢索過程首先進(jìn)入青海大學(xué)主頁(yè)：/點(diǎn)擊這里進(jìn)入圖書館主頁(yè)青海大學(xué)圖書館主頁(yè)單擊這里進(jìn)入EBSCO平臺(tái)ebsco平臺(tái)goldlibArchivist of ice Jascha Hoffman Journal name:NatureVolume:489,Pages:206207Date published:(13 September 2012)DOI:doi:10.1038/489206aPublished online12 September 2012 For six years, photographer James Balog has trained his

3、lens on ice, capturing time-lapse images that have helped scientists to study how glaciers and ice sheets respond to climate conditions. With the documentary Chasing Ice soon to debut in US cinemas, Balog talks about the loss of landscapes.Chasing IceJeff Orlowski: 2012 Article toolsPrintEmailDownlo

4、ad PDFDownload citationOrder reprintsRights and permissionsShare/bookmarkConnoteaCite U LikeFacebookTwitterDeliciousDiggGoogle+LinkedInRedditStumbleUponWhy are you interested in frozen landscapes?When I was six years old, I had to walk home from school in a heavy snowstorm. It was a great contest be

5、tween myself and nature. As a young man, I started ice climbing and mountaineering in the White Mountains in New Hampshire. When I looked at photographs of glaciers in Alaska I knew I wanted to spend time there.When did you start photographing glaciers in time lapse?After being blown away by the gla

6、cial retreat I saw while shooting a National Geographic cover story, The big thaw, in 2006. The next year I created the Extreme Ice Survey, deploying time-lapse cameras to monitor retreating ice in the Arctic and mountain areas, some so remote that our team was probably the first to visit them. Temp

7、eratures could reach 40 C and the winds 150 miles per hour. We had to tackle deep snow, torrential rain and falling rocks. Off-the-shelf gear wasnt robust enough, and it took six months of experimenting to come up with a reliable time-lapse system. Right now, we have 27 such cameras at 18 glaciers i

8、n Alaska, Greenland, Iceland, the Rocky Mountains and at Mount Everest. Shooting every half-hour of daylight year-round, each one generates 8,500 frames per year. The footage provides scientists with information on the mechanics of glacial melting and gives the public evidence of how rapidly Earths

9、climate is changing.PHOTO: J. ORLOWSKI/EXTREME ICE SURVEYJames Balog has developed new photographic equipment to monitor changes in glaciers such as the Ilulissat in Greenland.What is the most dramatic moment youve caught?Every year there are calving events in which ice falls off glaciers into the s

10、ea. The rate of ice loss in Greenland has doubled during the past 20 years, and this summer weve seen unprecedented rates of surface melting. We expected the Ilulissat Glacier on the west coast of Greenland to have a massive discharge of ice, so in summer 2008 two of my team members stood watch for

11、weeks. They caught the biggest calving event ever recorded on film. It was as if the entire lower tip of Manhattan had broken off and fallen into the ocean, like an urban skyline toppling, with skyscraper-sized blocks of ice submerging and resurfacing.Whats the aim of the Extreme Ice Survey?The prob

12、lem of climate change is perception. Human brains and our economic system favour the status quo. We aim to collect powerful visual evidence so that people can understand whats really happening. When satellites capture retreating glaciers from hundreds of kilometres away, the images may be beautiful

13、but theyre removed from human experience. We live on the ground. Retreating glaciers are where you can see climate change as it happens.What have scientists learned from your images?ILLUSTRATION: N. HIGGINSJames Balog追冰淇淋杰夫奧羅拉斯基：2012是你感興趣的冷凍景觀？我六歲的時(shí)候，我不得不在沉重的暴風(fēng)雪中步行從學(xué)校回家。這是一個(gè)偉大的比賽，對(duì)于我的性質(zhì)來說。作為一個(gè)年輕的男子，

14、我開始攀冰和登山在白山新罕布什爾。當(dāng)我看著照片的冰川在阿拉斯加我知道我想要花時(shí)間。你什么時(shí)候開始拍攝的冰川在時(shí)間流逝？后被吹走的冰川退縮而我看到一個(gè)美國(guó)國(guó)家地理雜志拍攝封面故事，“大融化，在2006。明年我創(chuàng)建的極端冰調(diào)查，部署時(shí)移攝影機(jī)監(jiān)視退冰在北極和高山地區(qū)，有些遙遠(yuǎn)，我們可能是第一次拜訪他們。溫度可以達(dá)到40，風(fēng)速150英里每小時(shí)。我們不得不應(yīng)對(duì)深雪，暴雨。當(dāng)你開始拍攝的冰川在時(shí)間流逝？后被吹走的冰川退縮而我看到一個(gè)美國(guó)國(guó)家地理雜志拍攝封面故事，“大融化，在2006。明年我創(chuàng)建的極端冰調(diào)查，部署時(shí)移攝影機(jī)監(jiān)視退冰在北極和高山地區(qū)，有些遙遠(yuǎn)，我們可能是第一次拜訪他們。溫度可以達(dá)到40，風(fēng)速

15、150英里每小時(shí)。我們不得不應(yīng)對(duì)深雪，暴雨和落下的巖石?，F(xiàn)成的齒輪不足夠強(qiáng)大，并花了六個(gè)月的實(shí)驗(yàn)，想出了一個(gè)可靠的延時(shí)系統(tǒng)?，F(xiàn)在，我們有27個(gè)這樣的相機(jī)18冰川在格陵蘭，阿拉斯加，冰島，洛磯山和珠峰。拍攝每半小時(shí)日光全年，每個(gè)人每年產(chǎn)生8500幀。畫面為科學(xué)家提供信息的力學(xué)冰川融化了公共的證據(jù)如何迅速地球的氣候姆斯式已制定了新的攝影設(shè)備監(jiān)測(cè)冰川變化如伊盧利薩特在格陵蘭。什么是最戲劇性的一刻你得了？每年都有產(chǎn)仔的事件中，冰下的海洋冰川。冰的損失率在格陵蘭增加了一倍，在過去的20年里，這個(gè)夏天我們看到前所未有的速度融化。我們預(yù)計(jì)伊盧利薩特冰川在格陵蘭西海岸有大量排放的冰，所以夏天2008我的團(tuán)隊(duì)成員站看周。他們發(fā)現(xiàn)最大的產(chǎn)仔事件都記錄在膠片上。這是因?yàn)槿绻麄€(gè)南端曼哈頓斷絕落入大海，像一個(gè)城市天際線與傾倒，skyscraper-sized塊冰淹沒和重。目的是什么的極端冰調(diào)查？氣候變化問題的看法。人類的大腦和經(jīng)濟(jì)制度有利于維持現(xiàn)狀。我們的目標(biāo)是收集證據(jù)，強(qiáng)大的視覺你如何基金的冰調(diào)查？一個(gè)重要的部分我們的初始資金從遠(yuǎn)征理事會(huì)在美國(guó)國(guó)家地理雜志。尼康給我們的硬件。通過與科學(xué)家，我們得到幫助從美國(guó)國(guó)家