本数据集包含渭河流域Sentinel-1的SLC级卫星数据产品，未经其他人工处理。\n
Sentinel-1卫星是欧洲航天局哥白尼计划（GMES）中的地球观测卫星（https://scihub.copernicus.eu/dhus/#/home），由两颗卫星组成，载有C波段合成孔径雷达，可提供连续图像(白天、夜晚和各种天气)。它是欧空局为哥白尼计划开发的五个任务中的第一个卫星计划。其中，SLC级产品是已被处理后的一级产品，能获得相位和振幅信息，可用于测距和形变观测;其中，选择双极化方式VV+VH;主要的采集模式是IW 。IW 模式的SLC 在单极化下包含有对应于3 个条带下的3 幅影像。以5米 x 20米的空间分辨率(单视)获取250公里长的数据。\n
Sentinel-1卫星数据收集时间为2015年1月-2021年8月，地理位置为甘肃省、陕西省和宁夏回族自治区，需要11景sentinel-1卫星数据可完全覆盖渭河流域。", "ds_source": "
Sentinel-1卫星数据来源于欧空局哥白尼数据中心（https://scihub.copernicus.eu/dhus/#/home）。", "ds_process_way": "
Sentinel-1卫星数据的SLC级产品是已被处理后的一级产品，能获得相位和振幅信息。", "ds_quality": "
数据未进行其他人工加工处理，质量良好。", "ds_acq_start_time": "2015-01-01 00:00:00", "ds_acq_end_time": "2021-08-01 00:00:00", "ds_acq_place": "甘肃省,陕西省,宁夏回族自治区,渭河流域", "ds_acq_lon_east": 110.27444444444444, "ds_acq_lat_south": 33.69611111111111, "ds_acq_lon_west": 103.9713888888889, "ds_acq_lat_north": 37.40833333333333, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 13949644964867, "ds_files_count": 3062, "ds_format": "tar", "ds_space_res": "10", "ds_time_res": "日", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "cf55b33b-521f-4711-93ff-7486120a84d1.png", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "0d5fea4e-6fd7-4c70-b28b-3f91204c579a", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.45" ], "quality_level": 3, "publish_time": "2021-10-14 14:40:13", "last_updated": "2025-05-29 17:28:36", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.WRiver.2021.33", "i18n": { "en": { "title": "Sentinel-1 remote sensing dataset for the Weihe River Basin (2015-2021)", "ds_format": "tar", "ds_source": "
Sentinel-1 satellite data from ESA Copernicus Data Center (https://scihub.copernicus.eu/dhus/#/home).", "ds_quality": "
The data have not been otherwise manually processed and are of good quality.", "ds_ref_way": "", "ds_abstract": "
This dataset contains SLC-class satellite data products from Sentinel-1 in the Weihe River Basin and has not been otherwise manually processed.\n
The Sentinel-1 satellite is an Earth observation satellite in the European Space Agency's Copernicus program (GMES) (https://scihub.copernicus.eu/dhus/#/home), consisting of two satellites carrying C-band synthetic aperture radar (SAR), which provides continuous imagery (daytime, nighttime, and all kinds of weather). It is the first satellite program of the five missions developed by ESA for the Copernicus program. Among them, the SLC class products are the first stage products that have been processed to obtain phase and amplitude information that can be used for ranging and deformation observations; where the dual polarization mode VV+VH is selected; and the main acquisition mode is IW. The SLC in the IW mode contains, in single polarization, three images corresponding to the three stripes. The 250 km long data is acquired at a spatial resolution of 5 m x 20 m (monovision).\n
Sentinel-1 satellite data will be collected from January 2015 to August 2021 in Gansu Province, Shaanxi Province and Ningxia Hui Autonomous Region, and 11 views of Sentinel-1 satellite data are needed to fully cover the Weihe River Basin.
", "ds_time_res": "日", "ds_acq_place": "Gansu Province, Shaanxi Province, Ningxia Hui Autonomous Region, Weihe River Basin", "ds_space_res": "10", "ds_projection": "", "ds_process_way": "The SLC-level products of the Sentinel-1 satellite data are the first-level products that have been processed to obtain phase and amplitude information.", "ds_ref_instruction": "" } }, "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": [ "Sentinel-1卫星数据", "测距", "形变监测", "SLC产品", "地球观测", "相位" ], "ds_subject_tags": [ "地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "甘肃省", "宁夏回族自治区", "渭河流域", "陕西省" ], "ds_time_tags": [ 2015, 2016, 2017, 2018, 2019, 2020, 2021 ], "ds_contributors": [ { "true_name": "张耀南", "email": "yaonan@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": "李红星", "email": "lihongxing@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": "敏玉芳", "email": "myf@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" }