{"id":"b2ad2650-87d9-401d-ba69-59842c578b5c","title":"北极海冰融池覆盖度遥感反演数据集（2000-2019）V1.0","title_en":"Remote sensing inversion data set of Arctic sea ice melting pool coverage (2000-2019) v1.0","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":"以Geotiff格式存储数据\n可以用arcgis等软件打开","description":"夏季阳光照射下，覆盖在冰面上的积雪融化，在冰面上形成的不同形状大小的冰上水池融池。海冰表面融化造成的融池会降低海冰反照率，因而会对极区能量平衡造成显著影响，增加吸收进而加速海冰融化过程。在影响海冰反照率的因素中，融池是最重要且变化最剧烈的因素之一。随着气候的变化，夏季冰融化速度也越来越快。对地球表层的能量平衡具有重要的影响，冰融速度加快也可能使融池这种重要的自然现象成为北极海冰融化季节最显著的冰表面特征之一。融池的反照率介于海水与海冰之间，研究冰上融池也是研究北极海冰快速变化机理的一个重要组成部分。由于海冰融池和海面具有相似的微波信号特征，且受到风速等因素影响利用微波数据进行融池覆盖度的制图具有明显的不确定性，因此最为可靠的融池覆盖度遥感方法为利用中分辨率光学遥感数据（MODIS和MERIS传感器）进行亚像元融池覆盖度的制图。本数据集包含利用MODIS观测数据进行亚像元分解反演的北极海冰融池覆盖度。","doi":"10.11888/Glacio.tpdc.270261","projection":"North_Pole_Stereographic","language":"zh","share_type":"online","east":179.0,"west":-180.0,"south":60.0,"north":90.0,"scale":null,"crs":null,"filesize":55500.0,"share_policy":"a","ts_created":"2019-10-20T12:27:45.406324+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-09-10T17:33:11.561364+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[10,11],"specials":["5f218875-5eed-4939-8208-7bf54c573e42"],"cite":null,"review_status":5,"review_invite":[{"user_name":"苏洁","username":"苏洁","email":"sujie@ouc.edu.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":"Daily","spatial_resolution":"km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[5],"subtopics":{"metadata":"b2ad2650-87d9-401d-ba69-59842c578b5c","three_pole":"XDA19070201","third_pole":null},"username":"邱玉宝","review_time":"2019-10-20T14:50:36.223233+08:00","protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1409}