{
    "created": "2025-03-12 17:32:46",
    "updated": "2026-05-09 12:52:28",
    "id": "d816244e-fab7-4aac-993b-d634a0c37f17",
    "version": 4,
    "ds_topic": null,
    "title_cn": "2019年咸海流域0.25°土壤湿度月均值数据集",
    "title_en": "",
    "ds_abstract": "<p>本数据集2019年1月-12月的咸海流域土壤湿度月均值数据。空间分辨率为0.25°×0.25°，时间分辨率为月，投影坐标为GCS_WGS_1984，每个像元的值为每月土壤湿度的平均值。每月一期，共12张栅格图像。</p>",
    "ds_source": "<p>数据来源于MOD16全球土壤湿度产品。土壤湿度数据：https://disc.gsfc.nasa.gov/datasets?keywords=soil%20moisture%20L4&page=1&source=Models%2FAnalyses%20MERRA-2</p>",
    "ds_process_way": "<p>对每天的土壤湿度数据相加得到各月土壤湿度之和，再除以天数得到每月土壤湿度的平均值。</p>",
    "ds_quality": "<p>空间分辨率为0.25°×0.25°，时间分辨率为8天或月，每个像元的值为每月的土壤湿度的平均值，投影坐标为GCS_WGS_1984。</p>",
    "ds_acq_start_time": "2019-01-01 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": "离线申请",
    "ds_total_size": 517640,
    "ds_files_count": 1,
    "ds_format": "栅格数据",
    "ds_space_res": "0.25°",
    "ds_time_res": "月",
    "ds_coordinate": "WGS84",
    "ds_projection": "WGS84",
    "ds_thumbnail": "d816244e-fab7-4aac-993b-d634a0c37f17.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": "2025-03-18 12:40:56",
    "first_publish_time": null,
    "last_updated": "2025-03-22 19:22:51",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "33110.11.ariddc.00317",
    "license": null,
    "extra": null,
    "files_shape": [
        {
            "name": "Data.rar",
            "size": 517640,
            "is_dir": false
        }
    ],
    "features": null,
    "data_level": 0,
    "ds_topic_tags": [
        "土壤湿度",
        "地表土壤水分"
    ],
    "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",
        "陈朝亮"
    ],
    "ds_meta_authors": [
        "刘铁",
        "钱静",
        "陈朝亮"
    ],
    "ds_managers": [
        "刘铁"
    ],
    "category": "中分辨率成像光谱仪"
}