{
    "created": "2025-03-12 17:17:01",
    "updated": "2026-08-08 02:13:51",
    "id": "a804e6d7-9056-428c-987d-17e53351054e",
    "version": 4,
    "ds_topic": null,
    "title_cn": "2015-2019年咸海流域500米地表反照率8天合成数据集",
    "title_en": "",
    "ds_abstract": "<p>本数据集包括2015、2016、2017、2018、2019年5年的咸海流域的反照率（Albedo）数据。空间分辨率为500米，时间分辨率为8天。</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，提取MCD43A1产品中的\"BRDF_Albedo_Parameters_nn. Num_Parameters_01\"，“BRDF_Albedo_Parameters_nn. Num_Parameters_02“和“BRDF_Albedo_Parameters_nn. Num_Parameters_03”波段。</p>",
    "ds_process_way": "<p>参考MODIS官方算法，计算得出白天反照率和夜间反照率，乘以比例因子0.001。</p>",
    "ds_quality": "<p>空间分辨率为500m×500m，时间分辨率为8天，每个像元的值为八天地表反照率的平均值。</p>",
    "ds_acq_start_time": "2015-01-01 00:00:00",
    "ds_acq_end_time": "2019-12-31 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": 1974173074,
    "ds_files_count": 5,
    "ds_format": "tif",
    "ds_space_res": "500",
    "ds_time_res": "8天",
    "ds_coordinate": "WGS84",
    "ds_projection": "WGS84",
    "ds_thumbnail": "a804e6d7-9056-428c-987d-17e53351054e.png",
    "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": "2025-03-25 15:47:34",
    "first_publish_time": null,
    "last_updated": "2025-03-25 15:47:34",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "33110.11.ariddc.00316",
    "license": null,
    "extra": null,
    "files_shape": [
        {
            "name": "2015年咸海流域500米地表反照率8天合成数据集.rar",
            "size": 235645778,
            "is_dir": false
        },
        {
            "name": "2016年咸海流域500米地表反照率8天合成数据集.rar",
            "size": 224344506,
            "is_dir": false
        },
        {
            "name": "2017年咸海流域500米地表反照率8天合成数据集.rar",
            "size": 220279544,
            "is_dir": false
        },
        {
            "name": "2018年咸海流域500米地表反照率8天合成数据集.rar",
            "size": 216584726,
            "is_dir": false
        },
        {
            "name": "2019年咸海流域500米地表反照率8天合成数据集.rar",
            "size": 1077318520,
            "is_dir": false
        }
    ],
    "features": null,
    "data_level": 0,
    "i18n": {
        "en": {
            "title": "2015-2019 An 8-day composite dataset of 500-meter surface albedo in the Aral Sea Basin",
            "ds_abstract": "<p>This dataset includes five years of albedo data for the Aral Sea Basin in 2015, 2016, 2017, 2018, and 2019. The spatial resolution is 500 meters and the temporal resolution is 8 days. </p>",
            "ds_source": "<p>Derived from NASA's Moderate Resolution Imaging Spectrometer, extracted the \"BRDF_Albedo_Parameters_nn.\" from the MCD43A1 product. Num_Parameters_01\"，“BRDF_Albedo_Parameters_nn. Num_Parameters_02 \"and\" BRDF_Albedo_Parameters_nn. Num_Parameters_03 \"band. </p>",
            "ds_process_way": "<p>Referring to the official MODIS algorithm, the daytime albedo and nighttime albedo are calculated and multiplied by a scale factor of 0.001. </p>",
            "ds_quality": "<p>The spatial resolution is 500m×500m, the temporal resolution is 8 days, and the value of each pixel is the average of the eight days of surface albedo. </p>",
            "ds_acq_place": "Aral Sea basin",
            "ds_format": "tif",
            "ds_projection": "WGS84",
            "ds_space_res": "500",
            "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": [
        "地表反照率"
    ],
    "ds_subject_tags": [
        "地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "咸海"
    ],
    "ds_time_tags": [
        2015,
        2016,
        2017,
        2018,
        2019
    ],
    "ds_contributors": [
        "刘铁",
        "钱静"
    ],
    "ds_meta_authors": [
        "刘铁",
        "钱静"
    ],
    "ds_managers": [
        "刘铁"
    ],
    "category": "中分辨率成像光谱仪"
}