{
    "created": "2024-09-25 12:14:21",
    "updated": "2026-05-09 13:24:45",
    "id": "230f0285-c746-43e4-a84c-497cd767ac50",
    "version": 5,
    "ds_topic": null,
    "title_cn": "2016年中亚大湖区基础生态数据集（NPP）",
    "title_en": "",
    "ds_abstract": "<p>本数据包含2016年12个月的中亚五国和中国新疆范围的NPP栅格数据。结合土地利用、温度、植被指数、降雨量、太阳辐射和蒸散发等数据，借助于CASA模型计算反演得出NPP,空间分辨率为10km×10km，时间分辨率为月，每个文件有12个波段，分别对应当年每个月份的NPP结果，投影为正弦投影。在气候变化背景下，可用于气象要素和植被特征相关关系分析，也可以与其它植被数据和生态数据相结合分析土地退化情况。</p>",
    "ds_source": "<p>土地利用、温度、植被指数、降雨量、太阳辐射和蒸散发等遥感数据。</p>",
    "ds_process_way": "<p>结合土地利用、温度、植被指数、降雨量、太阳辐射和蒸散发等数据，借助于CASA模型计算反演得出NPP。CASA模型（Carnegie-Ames-Stanford Approach Model）是一种基于遥感数据和气象数据的生态系统净初级生产力（NPP，Net Primary Productivity）估算模型。它由美国卡内基研究所、艾姆斯研究中心和斯坦福大学联合开发，主要用于评估植被通过光合作用固定的碳量。</p>",
    "ds_quality": "<p>空间分辨率为10km×10km，时间分辨率为月，每个文件有1个波段，对应每个月份的NPP结果。</p>",
    "ds_acq_start_time": "2016-01-01 00:00:00",
    "ds_acq_end_time": "2016-12-31 00:00:00",
    "ds_acq_place": "哈萨克斯坦；吉尔吉斯坦；塔吉克斯坦；乌兹别克斯坦；土库曼斯坦；中国新疆",
    "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": 3463198,
    "ds_files_count": 1,
    "ds_format": "栅格数据",
    "ds_space_res": "10000",
    "ds_time_res": "月",
    "ds_coordinate": "WGS84",
    "ds_projection": "正弦投影",
    "ds_thumbnail": "230f0285-c746-43e4-a84c-497cd767ac50.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": "2025-03-07 16:23:20",
    "first_publish_time": null,
    "last_updated": "2025-03-22 18:58:06",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": "33110.11.ariddc.00127",
    "license": null,
    "extra": null,
    "files_shape": [
        {
            "name": "2016_CA_Basic ecological data set（NPP）.rar",
            "size": 3463198,
            "is_dir": false
        }
    ],
    "features": null,
    "data_level": 0,
    "ds_topic_tags": [
        "净初级生产力",
        "NPP"
    ],
    "ds_subject_tags": [
        "地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "中亚"
    ],
    "ds_time_tags": [
        2016
    ],
    "ds_contributors": [
        "刘铁"
    ],
    "ds_meta_authors": [
        "刘铁"
    ],
    "ds_managers": [
        "刘铁"
    ],
    "category": "遥感再分析数据"
}