本数据为在盈科绿洲观测的植被FPAR数据集。数据观测从2012年5月25日开始，至2012年7月8日结束。测量仪器与原理：利用北京师范大学ACCUPAR测量冠层的FPAR。
在盈科绿洲5km*5km样方内选择18个玉米样方，1个果园和1个人工白杨林样方进行测量。其中玉米地样方测量四个PAR分量：冠层上总入射PAR，冠层下透过PAR，冠层上反射PAR和冠层下反射PAR。对于果园和人工林，测量两个量：冠层外总入射PAR，冠层下透射PAR。
", "ds_source": "植被的种类、株高、垄行结构等信息。
", "ds_process_way": "利用北京师范大学ACCUPAR测量冠层的FPAR。在盈科绿洲5km*5km样方内选择18个玉米样方，1个果园和1个人工白杨林样方进行测量。其中玉米地样方测量四个PAR分量：冠层上总入射PAR，冠层下透过PAR，冠层上反射PAR和冠层下反射PAR。对于果园和人工林，测量两个量：冠层外总入射PAR，冠层下透射PAR。", "ds_quality": "
数据质量良好
", "ds_acq_start_time": "2012-05-25 00:00:00", "ds_acq_end_time": "2012-07-08 00:00:00", "ds_acq_place": "黑河流域中游", "ds_acq_lon_east": 100.37194444444444, "ds_acq_lat_south": 38.85444444444445, "ds_acq_lon_west": 100.37166666666666, "ds_acq_lat_north": 38.85472222222222, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 134242, "ds_files_count": 2, "ds_format": "excel", "ds_space_res": null, "ds_time_res": "日", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "29ff93c5-9f4e-4195-a521-8f29017195fe.png", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "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。", "ds_from_station": null, "organization_id": "c94b3578-20da-4346-9de9-c702b6ca8983", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596 ", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2021-12-28 11:33:35", "last_updated": "2025-06-30 16:35:40", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.NIEER.2021.1852", "i18n": { "en": { "title": "Ecohydrological remote sensing experiment of Heihe River: accupar observation FPAR data set in the middle reaches of Heihe River Basin (2012)", "ds_format": "Excel", "ds_source": "Vegetation type, plant height, ridge structure and other information
", "ds_quality": "Good data quality
", "ds_ref_way": "", "ds_abstract": "This data is the vegetation FPAR data set observed in Yingke oasis. Data observation began on May 25, 2012 and ended on July 8, 2012. Measuring instrument and principle: the FPAR of canopy was measured by accupar of Beijing Normal University<p>  In the 5km * 5km quadrat of Yingke oasis, 18 corn quadrats, 1 orchard and 1 Artificial Poplar Forest quadrat were selected for measurement. Four par components were measured in the corn plot: total incident par on the canopy, transmitted par under the canopy, reflected par on the canopy and reflected par under the canopy. For orchards and plantations, two quantities were measured: total incident par outside the canopy and transmission par under the canopy
", "ds_time_res": "日", "ds_acq_place": "Middle reaches of Heihe River Basin", "ds_space_res": "", "ds_projection": "", "ds_process_way": "The FPAR of canopy was measured by accupar of Beijing Normal University. In the 5km * 5km quadrat of Yingke oasis, 18 corn quadrats, 1 orchard and 1 Artificial Poplar Forest quadrat were selected for measurement. Four par components were measured in the corn plot: total incident par on the canopy, transmitted par under the canopy, reflected par on the canopy and reflected par under the canopy. For orchards and plantations, two quantities were measured: total incident par outside the canopy and transmission par under the canopy.
", "ds_ref_instruction": "This data is generated by \"Heihe eco hydrological remote sensing experiment (hiwater)\". When using the data, users should clearly state the source of the data in the text and quote the reference method provided by this metadata in the reference part." } }, "submit_center_id": "ncdc", "data_level": 0, "license_type": "CC BY 4.0", "doi_reg_from": "reg_local", "cstr_reg_from": "reg_local", "doi_not_reg_reason": null, "cstr_not_reg_reason": null, "is_paper_in_submitting": false, "ds_topic_tags": [ "垄行结构", "光合有效辐射吸收系数", "植被种类", "株高", "地面同步观测" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "黑河流域", "黑河流域中游", "中游人工绿洲试验区" ], "ds_time_tags": [ 2012 ], "ds_contributors": [ { "true_name": "马明国", "email": "mmg@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "谢东辉", "email": "", "work_for": "中国科学院遥感应用研究所", "country": "中国" } ], "ds_managers": [ { "true_name": "马明国", "email": "mmg@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" } ], "category": "遥感及产品" }