{"id":"61d30279-e264-48e9-a0ca-be36e4336115","title":"黑河生态水文遥感试验：黑河流域净初级生产力（NPP）数据集","title_en":"HiWATER: Net Primary Productivity product of the Heihe River Basin","serial":"HiWATER","user_limit":"本数据由“黑河生态水文遥感试验（HiWATER）”产生，用户在使用数据时请在正文中明确声明数据的来源，并在参考文献部分引用本元数据提供的引用方式。","instructions":"","description":"生物生产力是指生物及其群体甚至更大尺度(包括生态系统及生物圈)生命有机体的物质生产能力，它随环境不同而发生变化，因此，它又成为环境变化和地球系统健康与否的指示物。植被的净初级生产力(Net Primary Productivity，NPP)指绿色植物在单位时间单位面积上由光合作用产生的有机物质总量(GPP)中扣除自养呼吸(Autotrophic Respiration，Ra)后的剩余部分。黑河流域的NPP产品主要围绕光能利用率模型的重要参数PAR以及FPAR进行了算法的改进和产品生产.提出了区分直射与散射辐射的FPAR反演模型以及基于静止与极轨卫星相结合的PAR反演方法。最终，利用光能利用率模型，生产黑河流域净初级生产力数据集。算法提高了数据产品的时空分辨率，产品精度也有了明显提高。","doi":"10.3972/hiwater.290.2016.db","projection":"WSG-84","language":"zh","share_type":"online","east":101.98,"west":95.99,"south":37.02,"north":43.01,"scale":null,"crs":null,"filesize":4.16,"share_policy":"a","ts_created":"2017-08-29T22:08:48+08:00","doi_type":"","ts_updated":"2021-04-19T19:09:03.599988+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":"ENVI标准格式","project":[10,11,15],"specials":["ee3dfdf5-2e9f-4b61-a301-4fb49e30e3c2","45a2b294-7cd9-4dc6-bc41-6435a6a717da","3e490c05-5a97-4303-8fbd-7882a64f9c84","4e7b97a6-ee1f-4b51-83e5-04a100993973"],"cite":null,"review_status":5,"review_invite":[],"review_editor":null,"data_sources":null,"temporal_resolution":null,"spatial_resolution":null,"license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[47,48],"subtopics":{"metadata":"61d30279-e264-48e9-a0ca-be36e4336115","three_pole":null,"third_pole":null},"username":"胡晓利","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":8079}