{
    "created": "2025-04-22 18:11:09",
    "updated": "2026-08-08 00:59:35",
    "id": "a2835816-3440-4fbf-9c0c-602be458b032",
    "version": 3,
    "ds_topic": null,
    "title_cn": "2002年、2004年塔里木河干流上游流域1：10万土壤盐渍化数据",
    "title_en": "",
    "ds_abstract": "<p>本数据集包含2002年、2004年两期塔里木河干流上游流域(N 40.3°，E 81.5°;N 41.4°，E 84.0°)盐渍化矢量数据。数据以mdb数据库格式存储, 比例尺1：10万，投影方式采用GCS_Xian_1980。该数据反映塔里木河上流因常年灌溉、洪水漫溢等原因导致的土壤盐碱化分布情况。</p>",
    "ds_source": "<ol>2002年和2004年7月下旬TM遥感影像数据</ol>",
    "ds_process_way": "<p>按照土壤盐渍化类型编码对两期（2002,2004）TM遥感影像数据进行预处理和人工解译分类，并加以实地验证和高精度验证所得的结果。</p>",
    "ds_quality": "<p>所得到的解译结果，经过实地验证和高精度验证，误差经过多次修正，验证率高达90%。</p>",
    "ds_acq_start_time": "2013-01-01 00:00:00",
    "ds_acq_end_time": "2013-12-31 00:00:00",
    "ds_acq_place": "塔里木河干流",
    "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": "apply-access",
    "ds_total_size": 745240,
    "ds_files_count": 1,
    "ds_format": ".mdb",
    "ds_space_res": "1：10万",
    "ds_time_res": "无",
    "ds_coordinate": "WGS84",
    "ds_projection": "西安1980",
    "ds_thumbnail": "a2835816-3440-4fbf-9c0c-602be458b032.jpg",
    "ds_thumb_from": 0,
    "ds_ref_way": "",
    "paper_ref_way": "",
    "ds_ref_instruction": "",
    "ds_from_station": null,
    "organization_id": "a5877b42-96ea-4f13-af7e-246f355413d6",
    "doi_value": "",
    "subject_codes": [
        "170.45"
    ],
    "quality_level": 1,
    "publish_time": "2025-04-22 18:18:16",
    "first_publish_time": null,
    "last_updated": "2025-05-28 17:17:34",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "33110.11.ariddc.00377",
    "license": null,
    "extra": null,
    "files_shape": [
        {
            "name": "2002年、2004年塔里木河干流上游流域盐渍化矢量数据_数据实体.rar",
            "size": 745240,
            "is_dir": false
        }
    ],
    "features": null,
    "data_level": 0,
    "i18n": {
        "en": {
            "title": "Soil salinization data of 1: 100,000 in the upper reaches of the Tarim River in 2002 and 2004",
            "ds_abstract": "<p>This dataset contains salinization vector data in the upper reaches of the main stream of the Tarim River in 2002 and 2004 (N 40.3°, E 81.5°;N 41.4°, E 84.0°). The data is stored in mdb database format, with a scale of 1: 100,000, and the projection method is GCS_Xian_1980. This data reflects the distribution of soil salinization in the upper reaches of the Tarim River due to perennial irrigation, flooding and other reasons. </p>",
            "ds_source": "<ol>TM remote sensing image data from late July 2002 and 2004</ol>",
            "ds_process_way": "<p>According to the soil salinization type code, the two phases (2002, 2004) TM remote sensing image data were preprocessed and manually interpreted and classified, and the results were verified on the spot and high-precision verified. </p>",
            "ds_quality": "<p>The obtained interpretation results have been verified in situ and high-precision, and the errors have been corrected many times, and the verification rate is as high as 90%. </p>",
            "ds_acq_place": "Tarim River",
            "ds_format": ".mdb",
            "ds_projection": "Xi'an 1980",
            "ds_space_res": "1:100 thousand",
            "ds_time_res": "no"
        }
    },
    "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": [
        "土壤盐渍化"
    ],
    "ds_subject_tags": [
        "地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "塔里木河干流上游"
    ],
    "ds_time_tags": [
        2002,
        2004
    ],
    "ds_contributors": [
        "方晖"
    ],
    "ds_meta_authors": [
        "方晖"
    ],
    "ds_managers": [
        "李锦",
        "方晖"
    ],
    "category": "土壤"
}