2012年6月29日，在黑河中游的样带区域，利用运12飞机，搭载CASI传感器，开展了可见光/近红外高光谱航空遥感数据获取飞行试验。飞行相对高度2000米（海拔高3500米），CASI传感器波长范围分别为380-1050纳米，空间分辨率分别为1米。利用同步测量的地面数据和大气数据，经过几何和6S大气校正，得到地表反射率产品。参考样带区域地表覆盖类型实地调查数据，利用分层分类方法对两条航空飞行样带进行地表覆盖分类制图。
", "ds_source": "2012年6月29日，在黑河中游的样带区域，利用运12飞机，搭载CASI传感器，开展了可见光/近红外高光谱航空遥感数据获取飞行试验。飞行相对高度2000米（海拔高3500米），CASI传感器波长范围分别为380-1050纳米，空间分辨率分别为1米。
", "ds_process_way": "利用同步测量的地面数据和大气数据，经过几何和6S大气校正，得到地表反射率产品。参考样带区域地表覆盖类型实地调查数据，利用分层分类方法对两条航空飞行样带进行地表覆盖分类制图。
", "ds_quality": "质量数据良好
", "ds_acq_start_time": "2012-06-29 00:00:00", "ds_acq_end_time": "2012-06-29 00:00:00", "ds_acq_place": "黑河流域,中游人工绿洲试验区", "ds_acq_lon_east": 100.55, "ds_acq_lat_south": 38.7, "ds_acq_lon_west": 99.75, "ds_acq_lat_north": 39.36666666666667, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 12472229813, "ds_files_count": 6, "ds_format": "las", "ds_space_res": "/", "ds_time_res": "时", "ds_coordinate": "WGS84", "ds_projection": "/", "ds_thumbnail": "8375134e-bad0-4778-afba-1578a6a6f158.png", "ds_thumb_from": 2, "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": "2021-09-14 09:57:00", "last_updated": "2025-06-30 16:34:45", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.NCDC.NIEER.DB2867.2023", "i18n": { "en": { "title": "Heihe River eco hydrological remote sensing test: surface coverage type of the sample belt in the middle reaches of Heihe River Basin (June 29, 2012)", "ds_format": "las", "ds_source": "On June 29, 2012, in the transect area in the middle reaches of Heihe River, the flight test of obtaining visible / near-infrared hyperspectral aerial remote sensing data was carried out by using Yun 12 aircraft and CASI sensor. The relative flight altitude is 2000 meters (altitude is 3500 meters), the wavelength range of CASI sensor is 380-1050 nm respectively, and the spatial resolution is 1 meter respectively
", "ds_quality": "Good quality data
", "ds_ref_way": "", "ds_abstract": "On June 29, 2012, in the transect area in the middle reaches of Heihe River, the flight test of obtaining visible / near-infrared hyperspectral aerial remote sensing data was carried out by using Yun 12 aircraft and CASI sensor. The relative flight altitude is 2000 meters (altitude is 3500 meters), the wavelength range of CASI sensor is 380-1050 nm respectively, and the spatial resolution is 1 meter respectively. The surface reflectance product is obtained by using the synchronously measured ground data and atmospheric data through geometric and 6S atmospheric correction. Referring to the field survey data of surface coverage types in the transect area, the surface coverage classification mapping of two aviation flight transects is carried out by using the hierarchical classification method
", "ds_time_res": "时", "ds_acq_place": "Heihe River Basin, middle reaches, artificial oasis, experimental area", "ds_space_res": "/", "ds_projection": "/", "ds_process_way": "The surface reflectance product is obtained by using the synchronously measured ground data and atmospheric data through geometric and 6S atmospheric correction. Referring to the field survey data of surface coverage types in the transect area, the surface coverage classification mapping of two aviation flight transects is carried out by using the hierarchical classification method
", "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": [ "植被覆盖度", "遥感产品", "生态遥感产品" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "黑河流域", "中游人工绿洲试验区" ], "ds_time_tags": [ 2012 ], "ds_contributors": [ { "true_name": "肖青", "email": "xiaoqing@irsa.ac.cn", "work_for": "中国科学院遥感与数字地球研究所", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "肖青", "email": "xiaoqing@irsa.ac.cn", "work_for": "中国科学院遥感与数字地球研究所", "country": "中国" } ], "ds_managers": [ { "true_name": "肖青", "email": "xiaoqing@irsa.ac.cn", "work_for": "中国科学院遥感与数字地球研究所", "country": "中国" } ], "category": "遥感及产品" }