{"id":"f00163f5-0f7a-4723-bdd4-8f51554b2e3c","title":"南极先锋植物覆盖分类数据（2017-2018）","title_en":"Antarctic pioneer plant cover classification data (2017-2018)","serial":"","user_limit":"为尊重知识产权、保障数据作者的权益、扩展数据中心的服务、评估数据的应用潜力，请数据使用者在使用数据所产生的研究成果中（包括公开发表的论文、论著、数据产品和未公开发表的研究报告、数据产品等成果），明确注明数据来源和数据作者。对于转载（二次或多次发布）的数据，作者还须注明原始数据来源。","instructions":"文件命名：数据以tif栅格格式存储，文件名称为年份_方法_位置.tif，如：2008_SAM_Adley.tif，其中yyyy代表年份，SAM代表方法，Adkey代表位置\n数据读取方式：栅格数据可以用Arcgis软件打开，栅格主体数值为植被盖度。","description":"南极半岛也叫“帕默尔半岛”或“格雷厄姆地”。位于西南极洲，是南极大陆最大、向北伸入海洋最远（南纬63°）的大半岛，东西濒临威德尔海和别林斯高晋海。南极半岛被称为南极洲的“热带”。这里属于典型的副极地海洋性气候，与南极大陆相比，是南极洲最暖、最湿的地区之一，边缘区域的岛屿分布有少量的先锋植物，主要以苔藓和地衣为主。南极半岛及周边植物丰度数据产品通过实测光谱匹配遥感影像，应用纯像元PPI提取出苔藓、地衣、岩石、海、积雪的端元波谱。应用线性混合模型LMM（Linear Mixture Model）计算得到。菲尔德斯半岛特色植被覆盖度根据其与丰度的相关线性关系获得。","doi":"10.11888/Ecolo.tpdc.270266","projection":null,"language":"zh","share_type":"online","east":180.0,"west":0.0,"south":-90.0,"north":-60.0,"scale":null,"crs":null,"filesize":218.0,"share_policy":"a","ts_created":"2019-10-25T01:27:56.566033+08:00","doi_type":null,"ts_updated":"2021-04-19T09:02:17.822264+08:00","time_description":"","datas_group":3,"time_description_en":null,"data_format":null,"project":[10,11],"specials":["b4b306da-eab1-47ef-ae5d-be2556298efd"],"cite":null,"review_status":5,"review_invite":[],"review_editor":{"id":21056,"last_login":"2022-02-09T12:02:24.544987+08:00","username":"huxiaoli","email":"huxiaoli@lzb.ac.cn","is_active":true,"is_staff":true,"user_name":"胡晓利"},"data_sources":"","temporal_resolution":"Yearly","spatial_resolution":"m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[5],"subtopics":{"metadata":"f00163f5-0f7a-4723-bdd4-8f51554b2e3c","three_pole":"XDA19070203","third_pole":null},"username":"徐希燕","review_time":"2019-10-25T01:40:07.666189+08:00","protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":2596}