{
    "created": "2025-03-12 14:16:23",
    "updated": "2026-08-08 06:30:07",
    "id": "24bfd308-2e0a-46a1-90e0-92d9819c3830",
    "version": 3,
    "ds_topic": null,
    "title_cn": "2015-2018年咸海流域1km归一化植被指数8天合成数据集",
    "title_en": "",
    "ds_abstract": "<p>数据集包含2015年-2018年咸海流域NDVI 8天均值数据。提取美国国家航空航天局中分辨率成像光谱仪MOD13A2产品第一波段作为归一化植被指数数据，乘以比例因子0.0001，叠加咸海流域边界数据，裁切后得到咸海流域范围内的NDVI月均值数据。空间分辨率为1000m×1000m，时间分辨率为8天，每个像元的值为八天归一化植被指数的平均值。</p>",
    "ds_source": "<p>来源于美国国家航空航天局中分辨率成像光谱仪MOD13A2产品第一波段。</p>",
    "ds_process_way": "<p>提取MOD13A2产品第一波段作为叶面积指数数据，乘以比例因子0.0001。</p>",
    "ds_quality": "<p>空间分辨率为1000m×1000m，时间分辨率为8天，每个像元的值为八天归一化植被指数的平均值。</p>",
    "ds_acq_start_time": "2015-01-01 00:00:00",
    "ds_acq_end_time": "2018-12-31 00:00:00",
    "ds_acq_place": "咸海流域",
    "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": 2761112494,
    "ds_files_count": 4,
    "ds_format": "tif",
    "ds_space_res": "1000",
    "ds_time_res": "8天",
    "ds_coordinate": "WGS84",
    "ds_projection": "正弦投影",
    "ds_thumbnail": "24bfd308-2e0a-46a1-90e0-92d9819c3830.png",
    "ds_thumb_from": 2,
    "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": "2025-03-25 14:40:00",
    "first_publish_time": null,
    "last_updated": "2025-03-25 14:40:00",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "33110.11.ariddc.00312",
    "license": null,
    "extra": null,
    "files_shape": [
        {
            "name": "2015年咸海流域1km归一化植被指数NDVI-8天合成数据集.rar",
            "size": 692455773,
            "is_dir": false
        },
        {
            "name": "2016年咸海流域1km归一化植被指数NDVI-8天合成数据集.rar",
            "size": 695406051,
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        },
        {
            "name": "2017年咸海流域1km归一化植被指数NDVI-8天合成数据集.rar",
            "size": 688254334,
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        },
        {
            "name": "2018年咸海流域1km归一化植被指数NDVI-8天合成数据集.rar",
            "size": 684996336,
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    ],
    "features": null,
    "data_level": 0,
    "i18n": {
        "en": {
            "title": "2015-2018 An 8-day synthetic dataset of normalized vegetation index for 1km in the Aral Sea Basin",
            "ds_abstract": "<p>The dataset contains 8-day mean NDVI data in the Aral Sea Basin from 2015 to 2018. The first band of the MOD13A2 product of NASA's Moderate Resolution Imaging Spectrometer is extracted as normalized vegetation index data, multiplied by a scale factor of 0.0001, superimposed on the Aral Sea Basin boundary data, and trimmed to obtain NDVI monthly mean data within the Aral Sea Basin. The spatial resolution is 1000m×1000m, the temporal resolution is 8 days, and the value of each pixel is the average of the normalized vegetation index for eight days. </p>",
            "ds_source": "<p>It comes from the first band of the MOD13A2 product of NASA's Moderate Resolution Imaging Spectrometer. </p>",
            "ds_process_way": "<p>Extract the first band of MOD13A2 product as leaf area index data and multiply it by a scale factor of 0.0001. </p>",
            "ds_quality": "<p>The spatial resolution is 1000m×1000m, the temporal resolution is 8 days, and the value of each pixel is the average of the normalized vegetation index for eight days. </p>",
            "ds_acq_place": "Aral Sea basin",
            "ds_format": "tif",
            "ds_projection": "sinusoidal projection",
            "ds_space_res": "1000",
            "ds_time_res": "8 days"
        }
    },
    "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": [
        "归一化植被指数",
        "NDVI"
    ],
    "ds_subject_tags": [
        "地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "咸海"
    ],
    "ds_time_tags": [
        2015,
        2016,
        2017,
        2018
    ],
    "ds_contributors": [
        "刘铁",
        "钱静"
    ],
    "ds_meta_authors": [
        "钱静"
    ],
    "ds_managers": [
        "刘铁"
    ],
    "category": "中分辨率成像光谱仪"
}