高分一号（GF-1）卫星是国家高分辨率对地观测系统重大专项天基系统中的首发星，其主要目的是突破高空间分辨率、多光谱与高时间分辨率结合的光学遥感技术，多载荷图像拼接融合技术，高精度高稳定度姿态控制技术，5-8年寿命高可靠低轨卫星技术，高分辨率数据处理与应用等关键技术，推动我国卫星工程水平的提升，提高我国高分辨率数据自给率。\n
\n高分一号（GF-1） WFV相机可以获取16米多光谱彩色图像（蓝、绿、红、近红外4个波段）。GF-1卫星装载了WFV1、WFV2、WFV3和WFV4四个WFV传感器，同时成像的幅宽可达800公里左右。\n
\n本数据集收集甘肃省2018年高分一号WFV数据，云量筛选20%以下，1月177景，2月148景，3月121景，4月130景，5月89景，6月60景，7月90景，8月81景，9月118景，10月99景，11月148景，12月191景，每个月都基本能覆盖研究区，产品为原始L1级别数据，未经校正处理。", "ds_source": "
数据于中国资源卫星应用中心申请下载 https://data.cresda.cn/#/home", "ds_process_way": "
数据为原始L1级别数据，未经其他人工处理。", "ds_quality": "
本数据来源于陆地观测卫星数据服务平台网站，下载时筛选云量低于20%，质量级别≥8（最高级别为9）的数据，质量良好。", "ds_acq_start_time": "2018-01-01 00:00:00", "ds_acq_end_time": "2018-12-01 00:00:00", "ds_acq_place": "甘肃省", "ds_acq_lon_east": 108.7075, "ds_acq_lat_south": 32.596111111111114, "ds_acq_lon_west": 92.33777777777777, "ds_acq_lat_north": 42.79333333333333, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 1142238704828, "ds_files_count": 1453, "ds_format": "Tiff", "ds_space_res": "16m", "ds_time_res": "", "ds_coordinate": "WGS84", "ds_projection": "/", "ds_thumbnail": "fe9a86a3-4c69-4875-8a45-11a95727e4a5.png", "ds_thumb_from": 2, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "526ff655-4cd4-4650-bb86-6fd3481dfb65", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967592", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2023-10-24 16:04:58", "last_updated": "2025-05-29 16:22:20", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.NCDC.GSEER.DB4050.2023", "i18n": { "en": { "title": "GF-1 WFV Remote Sensing Dataset in Gansu Province (2018)", "ds_format": "Tiff", "ds_source": "
The data can be downloaded from China Resources Satellite Application Center https://data.cresda.cn/#/home", "ds_quality": "
This data comes from the website of Landsat data service platform. When downloading, the data with cloud amount less than 10% and quality level ≥ 8 (the highest level is 9) are screened, and the quality is good.", "ds_ref_way": "", "ds_abstract": "
The Gaofen No.1 (GF-1) satellite is the first satellite in the major special space-based system of the National High Resolution Earth Observation System. Its main purpose is to break through key technologies such as optical remote sensing technology that combines high spatial resolution, multispectral and high temporal resolution, multi payload image fusion technology, high-precision and high stability attitude control technology, 5-8 year lifespan and high reliability low orbit satellite technology, and high-resolution data processing and application, Promote the improvement of China's satellite engineering level and improve the self-sufficiency rate of high-resolution data in China.\n
\nThe GF-1 WFV camera can obtain 16 meter multispectral color images (in four bands of blue, green, red, and near-infrared). The GF-1 satellite is equipped with four WFV sensors: WFV1, WFV2, WFV3, and WFV4, with an imaging width of approximately 800 kilometers.\n
\nThis dataset collected WFV data from Gaofen No.1 in Gansu Province in 2018, with cloud cover screening below 20%. There were 177 views in January, 148 views in February, 121 views in March, 130 views in April, 89 views in May, 60 views in June, 90 views in July, 81 views in August, 118 views in September, 99 views in October, 148 views in November, and 191 views in December, covering the research area basically every month. The product is original L1 level data and has not been corrected.
", "ds_time_res": "", "ds_acq_place": "Gansu Province", "ds_space_res": "16m", "ds_projection": "/", "ds_process_way": "The data is original L1 level data without other manual processing.", "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": [ "多载荷图像", "WFV宽幅相机", "光学遥感技术", "多光谱彩色图像" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "甘肃省" ], "ds_time_tags": [ 2018 ], "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": "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_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" }