C波段微波后向散射系数：试验场地为临泽草地加密观测区芦苇地和玉米地。主要观测仪器：C波段地基微波散射计，C-5，LS-C-5 （2）S波段地基微波散射计，S-3，LS-S-3 3）TDR土壤水分测量仪，仪器编号，TDR－200。\n主要观测内容：2008年7月8月测量植被数据（中午11:30左右与ASAR同步），极化方式：VV极化、HH水平、裸土、VH交差极化。测量土壤水分。\n2008年7月9日测量植被数据，极化方式：HH极化，HV极化，VV极化，VH极化，测量草地的土壤水分。\n
\n2008年7月10日-测量横向（玉米地前端是横向，后段是纵向）玉米地，极化方式：VV极化、HH极化、VH极化，HV极化。测量玉米地的土壤水分。2008年7月11日草地测量（中午11:30左右与ASAR同步测量）测量方向为南北，以前都为东西向。上午7:30开始，空气湿度大，而且草地的露水也很大——时间上的差异可以导致不同时间同一种测量数据的差异，可以参考空气湿度，土壤含水量，以及该地区露水的变化规律。极化方式：VH、HH、VV、HV。主要测量草地湿度。详细观测见文件内测量数据说明文档。
", "ds_source": "S波段微波后向散射系数：实验场地为扁都口收割后的油菜地、阿柔草地、大亚口深雪。C波段微波后向散射系数：实验场地为兰大草地站芦苇地和玉米地
", "ds_process_way": "测量方向为南北，以前都为东西向。上午7:30开始，空气湿度大，而且草地的露水也很大——时间上的差异可以导致不同时间同一种测量数据的差异，可以参考空气湿度，土壤含水量，以及该地区露水的变化规律。极化方式：VH、HH、VV、HV。主要测量草地湿度。
", "ds_quality": "7月8号上午刚开始测量时，散射计出现连续扫描测量模型不能自动保存数据的情况，后通过电话联系仪器研制方进行远程协助，在研发人员的指导下，现场修改了测量程序后，该问题得到及时解决，没有影响正常的测量工作。
", "ds_acq_start_time": "2008-07-08 00:00:00", "ds_acq_end_time": "2008-07-11 00:00:00", "ds_acq_place": "黑河流域,中游干旱区水文试验区,临泽草地加密观测区", "ds_acq_lon_east": 100.44305555555556, "ds_acq_lat_south": 38.04333333333333, "ds_acq_lon_west": 100.58972222222222, "ds_acq_lat_north": 38.973888888888894, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 71815261, "ds_files_count": 2, "ds_format": "excel,word", "ds_space_res": null, "ds_time_res": "日", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "4c10207d-28a5-49f2-b6d5-207592c87bd4.png", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "本数据由“黑河综合遥感联合试验”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": "14df1d8b-6362-4c0f-b88e-b46d4abe5db9", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "10.12072/ncdc.NIEER.db1874.2022", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2022-03-15 16:33:18", "last_updated": "2025-06-30 16:08:34", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.NIEER.2021.1947", "i18n": { "en": { "title": "Heihe River comprehensive remote sensing joint experiment: ground microwave scatterometer and surface observation data set in Linze grassland intensive observation area (2008)", "ds_format": "excel,word", "ds_source": "S-band microwave backscattering coefficient: the experimental site is the rape field after harvest in biandukou, Arao grassland and deep snow in Dayakou. C-band microwave backscattering coefficient: the experimental site is reed field and corn field of Lanzhou University grassland station
", "ds_quality": "At the beginning of the measurement on the morning of July 8, the continuous scanning measurement model of the scatterometer could not automatically save the data. After that, the instrument developer was contacted by telephone for remote assistance. Under the guidance of the R & D personnel, after the measurement procedure was modified on site, the problem was solved in time and did not affect the normal measurement work.", "ds_ref_way": "", "ds_abstract": "
C-band microwave backscattering coefficient: the test site is reed land and corn land in Linze grassland intensive observation area. Main observation instruments: C-band ground-based microwave scatterometer, C-5, ls-c-5 (2) S-band ground-based microwave scatterometer, S-3, ls-s-3 (3) TDR soil moisture meter, instrument number, tdr-200.\nMain observation contents: vegetation data measured in July and August 2008 (synchronized with ASAR at about 11:30 noon), polarization mode: VV polarization, HH level, bare soil, VH cross polarization. Measure soil moisture.\nVegetation data were measured on July 9, 2008. Polarization methods: HH polarization, HV polarization, VV polarization and VH polarization. Soil moisture of grassland was measured.\n
\nJuly 10, 2008 - measure the horizontal (the front end of the corn field is horizontal and the rear section is vertical) corn field, and the polarization modes are VV polarization, HH polarization, VH polarization and HV polarization. Measure soil moisture in corn fields. On July 11, 2008, the grassland was measured (measured synchronously with ASAR at about 11:30 noon). The measurement direction was north-south, and it was East-West before. From 7:30 a.m., the air humidity is high, and the dew of the grassland is also large - the difference in time can lead to the difference of the same measurement data at different times. You can refer to the variation law of air humidity, soil moisture and dew in this area. Polarization mode: VH, HH, VV, HV. It mainly measures grassland humidity. See the measurement data description document in the document for detailed observation
", "ds_time_res": "日", "ds_acq_place": "Heihe River Basin, arid area in the middle reaches, hydrological experimental area, Linze grassland intensive observation area", "ds_space_res": "", "ds_projection": "", "ds_process_way": "The measurement direction is north-south, which used to be east-west. From 7:30 a.m., the air humidity is high, and the dew of the grassland is also large - the difference in time can lead to the difference of the same measurement data at different times. You can refer to the variation law of air humidity, soil moisture and dew in this area. Polarization mode: VH, HH, VV, HV. It mainly measures grassland humidity.", "ds_ref_instruction": "This data was generated by the \"Heihe Comprehensive Remote Sensing Joint Experiment\". When using the data, please clearly state the source of the data in the main text and cite the citation provided by this metadata in the reference section." } }, "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": [ "土壤水分", "地基微波散射计", "后向散射系数", "土壤", "机载地面遥感", "土壤湿度" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "临泽草地加密观测区", "中游干旱区水文试验区", "黑河流域" ], "ds_time_tags": [ 2008 ], "ds_contributors": [ { "true_name": "晋锐", "email": "jinrui@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": "晋锐", "email": "jinrui@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_managers": [ { "true_name": "晋锐", "email": "jinrui@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" }