TerraSAR-X是德国航天局和EADS Astrium公司共同研发的高分辨率雷达卫星星座，2007年发射升空。它不受天气条件和光照的影响，可以提供可靠的分辨率高达1米的SAR影像。其具有灵活的分辨率和观测模式以及雷达干涉测量能力，在大比例尺地形、专题制图，变化检测，数字地形模型，快速制图服务等方面具备特有的优势，能够弥补光学影像在时间和空间上的局限。\n
\n2012年共获取TerraSAR-X影像8景。覆盖范围均为中游人工绿洲生态水文试验区，获取时间（北京时间）分别为：2012-05-24，2012-06-04，2012-06-26，2012-07-07，2012-07-29，2012-08-09，2012-08-14，2012-08-25，过境时间均为北京时间19:00左右。\n
\n获取的8景数据均为StripMap模式，标称分辨率3 m，产品级别为MGD。其中2012-05-24，2012-06-04，2012-06-26，2012-07-07，2012-07-29，2012-08-09的6景影像极化方式为HH/VV，入射角为小角度（22-24°）；2012-08-14和2012-08-25的2景影像极化方式为VV/VH，入射角为大角度（39-40°）。\n
\n黑河流域生态-水文过程综合遥感观测联合试验TerraSAR-X遥感数据集通过德国航天局（DLR）合作项目“Estimation of eco-hydrological variables using TerraSAR-X data in the Heihe River Basin, China”（编号：HYD2096）获取。
", "ds_source": "2012年共获取TerraSAR-X影像8景。覆盖范围均为中游人工绿洲生态水文试验区，获取时间（北京时间）分别为：2012-05-24，2012-06-04，2012-06-26，2012-07-07，2012-07-29，2012-08-09，2012-08-14，2012-08-25，过境时间均为北京时间19:00左右。\n
\n获取的8景数据均为StripMap模式，标称分辨率3 m，产品级别为MGD。其中2012-05-24，2012-06-04，2012-06-26，2012-07-07，2012-07-29，2012-08-09的6景影像极化方式为HH/VV，入射角为小角度（22-24°）；2012-08-14和2012-08-25的2景影像极化方式为VV/VH，入射角为大角度（39-40°）。
", "ds_process_way": "黑河流域生态-水文过程综合遥感观测联合试验TerraSAR-X遥感数据集通过德国航天局（DLR）合作项目“Estimation of eco-hydrological variables using TerraSAR-X data in the Heihe River Basin, China”（编号：HYD2096）获取。
", "ds_quality": "数据质量良好
", "ds_acq_start_time": "2012-05-24 00:00:00", "ds_acq_end_time": "2012-08-25 00:00:00", "ds_acq_place": "黑河流域,中游人工绿洲试验区", "ds_acq_lon_east": 100.7, "ds_acq_lat_south": 38.7, "ds_acq_lon_west": 100.2, "ds_acq_lat_north": 39.0, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 1765319281, "ds_files_count": 303, "ds_format": "tif", "ds_space_res": "/", "ds_time_res": "日", "ds_coordinate": "WGS84", "ds_projection": "/", "ds_thumbnail": "28a9cdd2-5f3c-49f5-bc43-e4fcedd201eb.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": "2021-09-14 09:55:12", "last_updated": "2025-05-29 16:19:01", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.NIEER.2021.5", "i18n": { "en": { "title": "Heihe River eco hydrological remote sensing experiment: TerraSAR-X remote sensing data set (2012)", "ds_format": "TIFF", "ds_source": "In 2012, 8 TerraSAR-X images were obtained. The coverage area is the ecological hydrological test area of artificial oasis in the middle reaches. The acquisition time (Beijing time) is: 2012-05-242012-06-042012-06-262012-07-072012-07-292012-08-092012-08-142012-08-25, and the transit time is about 19:00 Beijing time.\n
\nThe 8 scene data obtained are all in stripmap mode, with a nominal resolution of 3 m and a product level of MGD. Among them, the polarization mode of the six scenes of 2012-05-242012-06-04, 2012-06-26, 2012-07-07, 2012-07-29, 2012-08-09 is HH / VV, and the incident angle is small angle (22-24 °); The polarization mode of the two images on August 14, 2012 and August 25, 2012 is VV / VH, and the incident angle is large angle (39-40 °)
", "ds_quality": "Good data quality
", "ds_ref_way": "", "ds_abstract": "TerraSAR-X is a high-resolution radar satellite constellation jointly developed by German space agency and EADS Astrium. It was launched in 2007. It is not affected by weather conditions and illumination, and can provide reliable SAR images with a resolution of up to 1m. It has flexible resolution, observation mode and radar interferometry ability. It has unique advantages in large-scale terrain, thematic mapping, change detection, digital terrain model, fast mapping service and so on. It can make up for the limitations of optical images in time and space.\n
\nIn 2012, 8 TerraSAR-X images were obtained. The coverage area is the ecological hydrological test area of artificial oasis in the middle reaches. The acquisition time (Beijing time) is: 2012-05-242012-06-042012-06-262012-07-072012-07-292012-08-092012-08-142012-08-25, and the transit time is about 19:00 Beijing time.\n
\nThe 8 scene data obtained are all in stripmap mode, with a nominal resolution of 3 m and a product level of MGD. Among them, the polarization mode of the six scenes of 2012-05-242012-06-04, 2012-06-26, 2012-07-07, 2012-07-29, 2012-08-09 is HH / VV, and the incident angle is small angle (22-24 °); The polarization mode of the two images on August 14, 2012 and August 25, 2012 is VV / VH, and the incident angle is large angle (39-40 °).\n
\nThe TerraSAR-X remote sensing data set of integrated remote sensing observation of ecological and hydrological processes in Heihe River Basin was obtained through the German Space Agency (DLR) cooperative project \"estimation of eco hydrological variables using TerraSAR-X data in the Heihe River Basin, China\" (No.: hyd2096)
", "ds_time_res": "日", "ds_acq_place": "Heihe River Basin, middle reaches, artificial oasis, experimental area", "ds_space_res": "/", "ds_projection": "/", "ds_process_way": "The TerraSAR-X remote sensing data set of integrated remote sensing observation of ecological and hydrological processes in Heihe River Basin was obtained through the German Space Agency (DLR) cooperative project \"estimation of eco hydrological variables using TerraSAR-X data in the Heihe River Basin, China\" (No.: hyd2096)
", "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, "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": [ "航天遥感", "雷达遥感", "TerraSAR-X影像", "StripMap模式" ], "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": "国家青藏高原科学数据中心", "email": "data@itpcas.ac.cn", "work_for": "国家青藏高原科学数据中心", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "国家青藏高原科学数据中心", "email": "data@itpcas.ac.cn", "work_for": "国家青藏高原科学数据中心", "country": "中国" } ], "ds_managers": [ { "true_name": "国家青藏高原科学数据中心", "email": "data@itpcas.ac.cn", "work_for": "国家青藏高原科学数据中心", "country": "中国" } ], "category": "遥感及产品" }