{"id":"9b2f424f-52bf-4795-8072-dc07f3c11e80","title":"青藏高原光合有效辐射吸收系数（1987-2020）","title_en":"Fraction of Absorbed Photosynthetically Active Radiation (FPAR) across Tibetan Plateau from 1987 to 2020","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：FPAR数据集以Geotiff格式分块储存，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":"光合有效辐射吸收系数（FPAR）是碳循环研究的一个关键生理变量，被认为是表述植被生态系统的基本变量之一。基于30米空间分辨率的LANDSAT反射率数据，得到青藏高原区域的地表植被类型分类结果，根据不同植被类型NDVI值差异，构建遥感反演模型生产各植被类型的生长季FPAR产品。光合有效辐射吸收系数（FPAR）产品可以用来作为参数之一计算植被固碳量，评价植被生态系统状态等，广泛用于生态环境、林业等领域。该数据集投影坐标信息为经纬度WGS84。","doi":"10.11888/Ecolo.tpdc.271538","projection":"","language":"zh","share_type":"offline","east":105.65,"west":73.0,"south":24.6,"north":40.0,"scale":null,"crs":null,"filesize":45363.0,"share_policy":"c","ts_created":"2021-04-26T17:05:11.938921+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-09-10T15:02:49.494282+08:00","time_description":"1987-2020","datas_group":0,"time_description_en":"1987-2020","data_format":null,"project":[11],"specials":[],"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":42421,"last_login":"2022-04-08T15:16:51.670544+08:00","username":"任慧霞","email":"510727846@qq.com","is_active":true,"is_staff":true,"user_name":"任慧霞"},"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":"9b2f424f-52bf-4795-8072-dc07f3c11e80","three_pole":null,"third_pole":"2019QZKK0300"},"username":"孔令桥","review_time":null,"protected_duration":0,"protected_describe":null,"is_important":false,"hit_count":751}