{"id":"0f1b3bb4-f6de-4a2b-8652-7a08c4195631","title":"青藏高原地区30m不透水面产品（2015）","title_en":"Impervious surface product of Qinghai-Tibet Plateau with 30m resolution (2015)","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：不透水面数据集以Geotiff格式分块储存，采用LZW压缩，文件名称为“N??E??.tif”，其中N??表示对应图像块左上角的纬度，E??表示对应图像块左上角的经度。 数据读取方式：可以直接使用任何支持tif影像的软件打开；推荐使用QGIS，Arcgis、ENVI等地理信息领域相关软件打开。","description":"数据内容：该数据集产品包含青藏高原地区30米分辨率的不透水面产品，可作为青藏高原地区生态系统相关研究的关键参数。数据来源及加工方法：产品反演主要基于Landsat系列数据，从联合特征出发，结合深度空间特征、长时序的NDVI等指数特征、地形特征，采用随机森林模型实现不透水面信息提取。数据质量：整体精度较高，多数地区优于80%。数据应用成果及前景：数据集将持续更新，可用于进一步明晰人类活动对青藏高原地区生态系统的影响。","doi":"10.11888/Ecolo.tpdc.271531","projection":"","language":"zh","share_type":"online","east":110.0,"west":70.0,"south":20.0,"north":45.0,"scale":null,"crs":null,"filesize":77.4,"share_policy":"a","ts_created":"2021-04-27T10:01:43.499158+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-06-18T15:37:51.314973+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[11],"specials":["b6500306-f60b-4aa1-b0b6-0324d94866df"],"cite":null,"review_status":5,"review_invite":[{"user_name":"冯敏","username":"mfeng","email":"mfeng@itpcas.ac.cn","is_cancel_expert":false}],"review_editor":{"id":66424,"last_login":"2021-08-31T17:09:37.293773+08:00","username":"YanHou","email":"ljz2hy@163.com","is_active":false,"is_staff":false,"user_name":"侯燕"},"data_sources":null,"temporal_resolution":"Yearly","spatial_resolution":"10m - 100m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[21],"subtopics":{"metadata":"0f1b3bb4-f6de-4a2b-8652-7a08c4195631","three_pole":null,"third_pole":"2019QZKK0300"},"username":"孔令桥","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":435}