{ "created": "2022-03-29 10:12:02", "updated": "2026-05-06 06:27:27", "id": "cac7e77d-b8dd-44da-8be6-dae94f0c9fd0", "version": 7, "ds_topic": null, "title_cn": "泾河流域Landsat遥感数据集（2013-2021年）", "title_en": "Landsat remote sensing data set of Jinghe River Basin (2013-2021)", "ds_abstract": "

  本数据集为泾河流域Landsat8的L1级数据产品，数据均来源于美国国家航空航天网站（http://ladsweb.nascom.nasa.gov/data/search.html）。\n

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  该数据产品空间分辨率为30m，云量小于10%，空间范围是：106°11′03″—108°51′57″；34°41′09″—37°23′56″。Landsat8的L1级数据时间范围是2013年1月1日-2021年12月31日。\n

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  L1级数据产品只是通过几何校正过的数据，未进行辐射定标和大气校正。

", "ds_source": "

  Landsat8的L1级数据产品，数据均来源于美国国家航空航天网站（http://ladsweb.nascom.nasa.gov/data/search.html）。", "ds_process_way": "

  Landsat8的L1级数据产品只是通过几何校正过的数据，未进行辐射定标和大气校正。", "ds_quality": "

  云量小于10%，数据质量良好。", "ds_acq_start_time": "2013-01-01 00:00:00", "ds_acq_end_time": "2021-12-31 00:00:00", "ds_acq_place": "泾河流域", "ds_acq_lon_east": 108.86583333333333, "ds_acq_lat_south": 34.65, "ds_acq_lon_west": 106.19166666666668, "ds_acq_lat_north": 37.39888888888889, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 465200638833, "ds_files_count": 495, "ds_format": "栅格", "ds_space_res": "30m", "ds_time_res": "日", "ds_coordinate": "WGS84", "ds_projection": "", "ds_thumbnail": "cac7e77d-b8dd-44da-8be6-dae94f0c9fd0.jpg", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "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": "bf1ae243-c102-4b2d-a2f6-b698468f4401", "ds_serv_man": "敏玉芳", "ds_serv_phone": " 0931-4967596", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "10.12072/ncdc.JRiver.db1984.2022", "subject_codes": [ "170.45" ], "quality_level": 3, "publish_time": "2022-04-08 10:19:17", "last_updated": "2025-06-30 15:52:30", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.JRiver.db1984.2022", "i18n": { "en": { "title": "Landsat remote sensing data set of Jinghe River Basin (2013-2021)", "ds_format": "Raster", "ds_source": "

   Landsat8's L1 data products are all from the National Aeronautics and space website of the United States（ http://ladsweb.nascom.nasa.gov/data/search.html ）。", "ds_quality": "

   The cloud amount is less than 10%, and the data quality is good.", "ds_ref_way": "", "ds_abstract": "

   This data set is the L1 level data product of landsat8 in Jinghe River Basin, and the data are from the National Aeronautics and Astronautics website of the United States（ http://ladsweb.nascom.nasa.gov/data/search.html ）。\n

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   The spatial resolution of the data product is 30m, the cloud amount is less than 10%, and the spatial range is 106 ° 11 ′ 03 ″ - 108 ° 51 ′ 57 ″; 34°41′09″—37°23′56″。 The L1 level data time range of landsat8 is from January 1, 2013 to December 31, 2021.\n

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   L1 level data products are only the data corrected through geometry, without radiometric calibration and atmospheric correction

", "ds_time_res": "日", "ds_acq_place": "Jinghe River Basin", "ds_space_res": "30m", "ds_projection": "", "ds_process_way": "

   The L1 data product of landsat8 is only the data corrected by geometry, without radiometric calibration and atmospheric correction.", "ds_ref_instruction": "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 References 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": [ "辐射定标", "几何校正", "大气校正", "Landsat8" ], "ds_subject_tags": [ "地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "泾河流域" ], "ds_time_tags": [ 2013, 2014, 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" }