欢迎进入青海大学图书馆网络资源数据库13.ppt

欢迎进入青海大学图书馆网络资源数据库;;首先我们一起来了解EBSOhost数据库： EBSCOhost是美国EBSCO公司为数据库检索设计的系统，有近60个数据库，其中全文数据库10余个。 　　用户进入EBSCOhost系统平台后，先要选择检索平台，因为系统升级后，加强了对商业数据库检索功能，增加了商业检索平台（Business Searching Interface ，BSI）。通过这个平台，用户可检索和浏览国家经济报告、公司概况、工业信息和市场研究报告，以及杂志、图书等文献信息。这个平台只是适用于BSP数据库。而EBSCOhost Web检索平台下可以对所有数据库实施检索。 ;检索过程;青海大学图书馆主页;;ebsco平台;goldlib;Archivist of ice Jascha Hoffman Journal name: Nature Volume: 489, Pages: 206–207 Date published: (13 September 2012) DOI: doi:10.1038/489206a Published online 12 September 2012 For six years, photographer James Balog has trained his 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 Ice Jeff Orlowski: 2012 Article tools Print Email Download PDF Download citation Order reprints Rights and permissions Share/bookmark Connotea Cite U Like Facebook Twitter Delicious Digg Google+ LinkedIn Reddit StumbleUpon;Why 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 between 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 glacial 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. Temperatures 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