{
    "created": "2026-07-21 11:22:25",
    "updated": "2026-07-22 22:13:29",
    "id": "b28cf468-6a84-4f63-b2ea-642c43018307",
    "version": 3,
    "ds_topic": null,
    "title_cn": "塔里木河干流净初级生产力（NPP）（2000-2022）",
    "title_en": "Vegetation index (NDVI) data of the main stream of the Tarim River",
    "ds_abstract": "<p>本数据集包含2000-2022年塔里木河干流净初级生产力（NPP）数据产品</p>",
    "ds_source": "<p>采用CASA模型进行植被NPP估算，主要是根据植被吸收的光合有效辐射（Absorbed Photosynthetic Active Radiation, APAR）与实际光能利用率的乘积来计算 NPP，主要计算公式如下：NPPx,t=APAR(x,t)×ε(x,t)</p>",
    "ds_process_way": "",
    "ds_quality": "",
    "ds_acq_start_time": null,
    "ds_acq_end_time": null,
    "ds_acq_place": "",
    "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": "open-access",
    "ds_total_size": 54878474,
    "ds_files_count": 46,
    "ds_format": "Geotiff格式",
    "ds_space_res": "250米",
    "ds_time_res": "年",
    "ds_coordinate": "WGS84",
    "ds_projection": "WGS84",
    "ds_thumbnail": "b28cf468-6a84-4f63-b2ea-642c43018307.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": [
        "170.40",
        "170.45"
    ],
    "quality_level": 1,
    "publish_time": "2026-07-21 16:40:16",
    "first_publish_time": null,
    "last_updated": "2026-07-21 16:42:45",
    "protected": false,
    "protected_to": null,
    "lang": "zh",
    "cstr": null,
    "license": null,
    "extra": null,
    "files_shape": [
        {
            "name": "PD2507N055E02-塔里木河干流净初级生产力（NPP）数据(2000-2022)",
            "size": null,
            "is_dir": true
        }
    ],
    "features": null,
    "data_level": 0,
    "i18n": {
        "en": {
            "title": "Vegetation index (NDVI) data of the main stream of the Tarim River",
            "ds_abstract": "This dataset contains the net primary productivity (NPP) data products of the main stream of the Tarim River from 2000 to 2022",
            "ds_source": "The CASA model is used to estimate the NPP of vegetation. NPP is mainly calculated based on the product of the Absorbed Photosynthetic Active Radiation (APAR) absorbed by vegetation and the actual light energy utilization efficiency. The main calculation formula is as follows: NPPx,t=APAR(x,t)×ε(x,t)",
            "ds_process_way": "",
            "ds_quality": "",
            "ds_acq_place": "",
            "ds_ref_instruction": "",
            "ds_ref_way": "",
            "ds_format": "Geotiff format",
            "ds_projection": "",
            "ds_space_res": "",
            "ds_time_res": ""
        }
    },
    "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": [
        "NPP",
        "净初级生产力"
    ],
    "ds_subject_tags": [
        "地图学",
        "地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "塔里木河干流"
    ],
    "ds_time_tags": [
        2000,
        2001,
        2002,
        2003,
        2004,
        2005,
        2006,
        2007,
        2008,
        2009,
        2010,
        2011,
        2012,
        2013,
        2014,
        2015,
        2016,
        2017,
        2018,
        2019,
        2020,
        2021
    ],
    "ds_contributors": [
        "焦阿永"
    ],
    "ds_meta_authors": [
        "焦阿永"
    ],
    "ds_managers": [
        "凌红波"
    ],
    "category": "中分辨率成像光谱仪"
}