{
    "created": "2025-10-29 17:44:46",
    "updated": "2026-08-08 06:35:08",
    "id": "b7a7ac96-5a1b-44b3-9ebe-754585ffac54",
    "version": 4,
    "ds_topic": null,
    "title_cn": "新疆10m植被覆盖度数据集（2023年4-10月）",
    "title_en": "",
    "ds_abstract": "<p>本数据为利用sentinel2号反射率产品数据进行进一步加工，其中原始数据为全疆10米月度哨兵二号反射率镶嵌数据集，植被覆盖度通过植被二分法进行提取，质量控制主要采用与2023年无人机航拍数据进行植被覆盖度的反演后的高精度植被覆盖信息进行精度评价。本数据集在高植被覆盖度区域需要进行进一步验证。</p>",
    "ds_source": "<p> 哨兵二号反射率数据主要来源为欧空局下载。其余辅助数据来源为实地测量数据，自主产生。</p>",
    "ds_process_way": "<p>本数据集通过二分法进行植被覆盖度的计算。数据分辨率为10m，用于本模型计算的植被覆盖度数据通过实地无人机DOM生成后，进行FVC的高精度监督分类提取。</p>",
    "ds_quality": "<p>通过由吐鲁番哈密地区，艾比湖流域，南疆塔里木河流域北缘的无人机航拍数据后提取的植被覆盖度进行对比后，总精度在85-90%，本数据集在绿洲和荒漠区域精度较好，但山区森林区域精度还未做进一步评价。</p>",
    "ds_acq_start_time": null,
    "ds_acq_end_time": null,
    "ds_acq_place": "",
    "ds_acq_lon_east": null,
    "ds_acq_lat_south": null,
    "ds_acq_lon_west": null,
    "ds_acq_lat_north": null,
    "ds_acq_alt_low": null,
    "ds_acq_alt_high": null,
    "ds_share_type": "login-access",
    "ds_total_size": 1577727032705,
    "ds_files_count": 51,
    "ds_format": "栅格",
    "ds_space_res": "10米",
    "ds_time_res": "月",
    "ds_coordinate": "CGCS2000",
    "ds_projection": "CGCS2000",
    "ds_thumbnail": "b7a7ac96-5a1b-44b3-9ebe-754585ffac54.jpg",
    "ds_thumb_from": 0,
    "ds_ref_way": "",
    "paper_ref_way": "",
    "ds_ref_instruction": "数据来源引用：新疆10m植被覆盖度数据集（2023年4-10月）来源于第三次新疆综合科学考察专项 \"空天地网一体化综合科考监测体系建设(2021xjkk1400)\"",
    "ds_from_station": null,
    "organization_id": "a5877b42-96ea-4f13-af7e-246f355413d6",
    "doi_value": "",
    "subject_codes": [
        "170.45"
    ],
    "quality_level": 1,
    "publish_time": "2025-12-04 18:49:46",
    "first_publish_time": null,
    "last_updated": "2026-01-14 11:16:21",
    "protected": false,
    "protected_to": "2025-10-31 00:00:00",
    "lang": "zh",
    "cstr": "33110.11.XIEG.XJSEDATA.2024.00100177",
    "license": null,
    "extra": null,
    "files_shape": [
        {
            "name": "2021xjkk1400-18-2023121618",
            "size": null,
            "is_dir": true
        },
        {
            "name": "2021xjkk1400-19-2023121819",
            "size": null,
            "is_dir": true
        }
    ],
    "features": null,
    "data_level": 0,
    "i18n": {
        "en": {
            "title": "Xinjiang 10m vegetation coverage dataset (April to October 2023)",
            "ds_abstract": "<p>This data is for further processing using the Sentinel2 reflectance product data. The original data is the 10-meter monthly Sentinel 2 reflectance mosaic data set in Xinjiang. The vegetation coverage is extracted through vegetation dichotomy. The quality control is mainly based on high-precision vegetation coverage information after inversion of vegetation coverage with drone aerial data in 2023. For accuracy evaluation. This dataset needs further verification in areas with high vegetation coverage. </p>",
            "ds_source": "<p> The main source of Sentinel-2 reflectivity data is downloaded from ESA. The rest of the auxiliary data sources are on-site measurement data and are generated independently. </p>",
            "ds_process_way": "<p>This dataset uses dichotomy to calculate vegetation coverage. The data resolution is 10m. The vegetation coverage data used for calculation of this model is generated by the on-site drone DOM and then subjected to high-precision supervised classification and extraction of FVC. </p>",
            "ds_quality": "<p>After comparing the vegetation coverage extracted from drone aerial data from Turpan's Hami City, Aibi Lake Basin, and the northern edge of the Tarim River Basin in southern Xinjiang, the total accuracy is 85-90%. The accuracy of this dataset is good in oases and desert areas, but the accuracy of mountainous and forest areas has not been further evaluated. </p>",
            "ds_ref_instruction": "Data source citation: Xinjiang's 10-meter vegetation coverage dataset (April to October 2023) comes from the third Xinjiang comprehensive scientific expedition special project \"Construction of Integrated Comprehensive Scientific Research Monitoring System of Air, Space, Space and Network (2021 xjkk1400)\"",
            "ds_format": "grid",
            "ds_projection": "CGCS2000",
            "ds_space_res": "10 meters",
            "ds_time_res": "months"
        }
    },
    "license_type": null,
    "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"
    ],
    "ds_subject_tags": [
        "地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "新疆"
    ],
    "ds_time_tags": [
        2023
    ],
    "ds_contributors": [
        "刘铁",
        "马勇刚"
    ],
    "ds_meta_authors": [
        "马勇刚"
    ],
    "ds_managers": [
        "李锦"
    ],
    "category": "哨兵"
}