{"id":"f8d1b75e-a8a8-403b-b9d0-fb7f4ad5ffac","title":"黑河流域30m分辨率地表反照率数据集（2012）","title_en":"Albedo dataset in 30m-resolution in the Heihe River basin (2012)","serial":"黑河计划","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：数据以栅格raw格式存储，文件名称“ALBEDO_HJCCD_AB2_30_HEIHE_yyyymm”其中yyyy代表年，mm代表月，例如ALBEDO_HJCCD_AB2_30_HEIHE_201201.raw代表2012年1月地表反照率数据。\n数据读取：可以用Arcgis，Envi等遥感软件打开读取。","description":"利用我国环境减灾小卫星星座的CCD传感器的30m图像，经过定标、几何精校正和基于大气层顶表观反射率的角度网格回归（Angular Bin）反演算法反演了地表短波反照率，再选择一个月内云量最少的图像镶嵌成为全黑河流域的反照率分布图，投影方式为UTM投影，空间分辨率30米，时间频率为每月1景。数据文件包含2个波段，分别是对应局地正午时刻太阳角的黑空反照率（black-sky albedo of local noon）和白空反照率（white-sky albedo），以短整数方式存储，比例因子为0.0001。","doi":"10.3972/heihe.001.2014.db","projection":"4326","language":"zh","share_type":"offline","east":102.126013889,"west":97.415088889,"south":37.754419444,"north":42.669019444,"scale":50000,"crs":null,"filesize":10782.0,"share_policy":"b","ts_created":"2015-01-05T06:50:36+08:00","doi_type":"沿用数据已有DOI","ts_updated":"2021-04-19T22:54:53.084243+08:00","time_description":"","datas_group":0,"time_description_en":"","data_format":"RAW","project":[10,11,15],"specials":["4e7b97a6-ee1f-4b51-83e5-04a100993973"],"cite":null,"review_status":5,"review_invite":[],"review_editor":null,"data_sources":null,"temporal_resolution":"Monthly","spatial_resolution":"10m - 100m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[122,157],"subtopics":{"metadata":"f8d1b75e-a8a8-403b-b9d0-fb7f4ad5ffac","three_pole":null,"third_pole":null},"username":"刘强","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":6334}