本数据为在盈科绿洲观测的植被LAI数据集。数据观测从2012年5月25日开始，至2012年7月7日结束。
\n测量仪器与原理：利用LAI2000测量冠层的LAI。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。在每个样方内测量一次冠层上入射，测量多次冠层下透射，然后取均值，通过间隙率模型反演得到冠层LAI。
\n配套数据：植被的种类、株高、垄行结构、场景照片等信息。
\n数据格式：Excel格式。
", "ds_source": "植被的种类、株高、垄行结构、场景照片等信息。
", "ds_process_way": "测量仪器与原理：利用LAI2000测量冠层的LAI。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。\n在每个样方内测量一次冠层上入射，测量多次冠层下透射，然后取均值，通过间隙率模型反演得到冠层LAI。
", "ds_quality": "数据质量良好。
", "ds_acq_start_time": "2012-06-06 00:00:00", "ds_acq_end_time": "2012-07-20 00:00:00", "ds_acq_place": "黑河流域, 中游人工绿洲试验区，黑河流域中游", "ds_acq_lon_east": 100.46000000000001, "ds_acq_lat_south": 38.73888888888889, "ds_acq_lon_west": 100.28888888888889, "ds_acq_lat_north": 38.88, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 27285, "ds_files_count": 2, "ds_format": "excel", "ds_space_res": null, "ds_time_res": "日", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "d6fdc16d-4043-45c7-9d0f-a3bd58918586.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": null, "quality_level": 3, "publish_time": "2021-08-27 10:27:20", "last_updated": "2023-08-23 16:47:42", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.NIEER.2021.1916", "i18n": { "en": { "title": "Heihe River eco hydrological remote sensing experiment: Lai 2000 measurement Lai data set in the middle reaches of Heihe River Basin (2012)", "ds_format": "", "ds_source": "Vegetation type, plant height, ridge structure, scene photos and other information
", "ds_quality": "Good data quality
", "ds_ref_way": "", "ds_abstract": "This data is the vegetation LAI data set observed in Yingke oasis. Data observation began on May 25, 2012 and ended on July 7, 2012
\nMeasuring instrument and principle: Lai of canopy is measured by lai2000. In the 5km * 5km quadrat of Yingke oasis, 18 corn quadrats, 1 orchard and 1 Artificial Poplar Forest quadrat were selected for measurement. The incident on the canopy is measured once in each quadrat, and the transmission under the canopy is measured many times, then the mean value is taken, and the canopy Lai is obtained through the inversion of the gap rate model
\nSupporting data: vegetation type, plant height, ridge structure, scene photos and other information
\nData format: Excel format
", "ds_time_res": "日", "ds_acq_place": "Heihe River Basin, artificial oasis experimental area in the middle reaches, middle reaches of Heihe River Basin", "ds_space_res": "", "ds_projection": "", "ds_process_way": "Measuring instrument and principle: Lai of canopy is measured by lai2000. In the 5km * 5km quadrat of Yingke oasis, 18 corn quadrats, 1 orchard and 1 Artificial Poplar Forest quadrat were selected for measurement.\nThe incident on the canopy is measured once in each quadrat, and the transmission under the canopy is measured many times, then the mean value is taken, and the canopy Lai is obtained through the inversion of the gap rate model", "ds_ref_instruction": " \nThis 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, "recommendation_value": 0, "license_type": "https://creativecommons.org/licenses/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, "belong_to_nieer": false, "ds_topic_tags": [ "地面同步观测", "垄型结构", "LAI", "株高", "植被种类", "场景照片", "叶面积指数", "植被" ], "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": "赵静", "email": "", "work_for": "北京师范大学", "country": "中国" }, { "true_name": "李云", "email": "", "work_for": "北京师范大学", "country": "中国" }, { "true_name": "汪燕", "email": "", "work_for": "北京师范大学", "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" }