{
    "created": "2024-04-23 10:31:57",
    "updated": "2026-04-29 13:40:14",
    "id": "26c20fe3-6114-48db-8b6f-7eddc41832f6",
    "version": 0,
    "ds_topic": null,
    "title_cn": "2020s中国西北干旱区绿洲分布数据集",
    "title_en": "Oasis distribution in arid areas in the 2020s",
    "ds_abstract": "<p>&emsp;&emsp;本数据集为2020年中国西北干旱区绿洲的分布格局图，该数据集通过解译2020年前后Landsat OLI遥感影像获得，涉及到的绿洲景观类型主要包含了耕地、林地、草地、水域、建设用地等，该数据集可为评估我国西北干旱区绿洲状况提供参考。",
    "ds_source": "<p>&emsp;&emsp;2020年前后Landsat OLI遥感影像。",
    "ds_process_way": "<p>&emsp;&emsp;经过图像镶嵌、几何校正、影像裁剪等预处理，按照中科院土地资源分类系统，采用基于像元的分类方法与面向对象的影像分析方法相结合。",
    "ds_quality": "<p>&emsp;&emsp;对分类结果进行人工检查与校正，数据质量良好。",
    "ds_acq_start_time": "2020-10-01 00:00:00",
    "ds_acq_end_time": "2020-10-01 00:00:00",
    "ds_acq_place": "新疆,河西走廊",
    "ds_acq_lon_east": 104.21111111111111,
    "ds_acq_lat_south": 30.33611111111111,
    "ds_acq_lon_west": 73.4,
    "ds_acq_lat_north": 49.166666666666664,
    "ds_acq_alt_low": null,
    "ds_acq_alt_high": null,
    "ds_share_type": "apply-access",
    "ds_total_size": 901208,
    "ds_files_count": 2,
    "ds_format": "tif",
    "ds_space_res": "30m",
    "ds_time_res": "年",
    "ds_coordinate": "无",
    "ds_projection": "",
    "ds_thumbnail": "26c20fe3-6114-48db-8b6f-7eddc41832f6.jpg",
    "ds_thumb_from": 0,
    "ds_ref_way": "",
    "paper_ref_way": "",
    "ds_ref_instruction": "",
    "ds_from_station": null,
    "organization_id": "15c097ee-6847-4f6f-8b59-c6a7d5150039",
    "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": "2024-05-28 10:19:04",
    "last_updated": "2025-12-26 16:36:31",
    "protected": true,
    "protected_to": "2026-05-28 00:00:00",
    "lang": "zh",
    "cstr": "11738.11.NCDC.NIEER.DB6483.2024",
    "i18n": {
        "en": {
            "title": "Oasis distribution in arid areas in the 2020s",
            "ds_format": "",
            "ds_source": "",
            "ds_quality": "",
            "ds_ref_way": "",
            "ds_abstract": "",
            "ds_time_res": "年",
            "ds_acq_place": "Xinjiang, Hexi Corridor",
            "ds_space_res": "30m",
            "ds_projection": "",
            "ds_process_way": "",
            "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": [
        "干旱区",
        "绿洲",
        "空间分布"
    ],
    "ds_subject_tags": [
        "自然地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "干旱区"
    ],
    "ds_time_tags": [
        2020
    ],
    "ds_contributors": [
        {
            "true_name": "杜军",
            "email": "dujun159@126.com",
            "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": "马登科",
            "email": "dengkema19@163.com",
            "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": "杜军",
            "email": "dujun159@126.com",
            "work_for": "中国科学院西北生态环境资源研究院",
            "country": "中国"
        }
    ],
    "category": "生态"
}