{
    "created": "2024-08-23 10:02:27",
    "updated": "2026-05-06 20:11:50",
    "id": "6399c454-98b4-4209-82d2-03d7cf16a198",
    "version": 10,
    "ds_topic": null,
    "title_cn": "两个时间段（2050s和2070s）祁连山青海云杉林潜在分布数据集",
    "title_en": "Potential distribution data of Qinghai spruce forest in Qilian Mountains during two time periods (2050 s and 2070 s)",
    "ds_abstract": "<p>&emsp;&emsp;该数据集选择未来气候变化情景下的两个时期（2050年代和2070年代），四个RCP排放情景，并结合当前气候信息，驱动经过验证的MaxEnt模型，模拟气候变化情景下的青海云杉林潜在分布区域及其适宜生境的变化。",
    "ds_source": "<p>&emsp;&emsp;栅格数据，最大熵模型MaxEnt 3.4.1。",
    "ds_process_way": "<p>&emsp;&emsp;采用最大熵模型MaxEnt 3.4.1版本（https://www.cs.princeton.edu/ws-chapire/ maxent）来分析青海云杉林的潜在分布。",
    "ds_quality": "<p>&emsp;&emsp;利用祁连山青海云杉林现有分布数据集驱动MaxEnt初始模型，从构建的数据集中抽取75%作为训练数据集，剩余25%作为验证数据集，用于评估模型的有效性。",
    "ds_acq_start_time": "2023-02-01 00:00:00",
    "ds_acq_end_time": "2023-02-01 00:00:00",
    "ds_acq_place": "祁连山区",
    "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": 51742409,
    "ds_files_count": 11,
    "ds_format": "tif",
    "ds_space_res": "2.1m,2.4m,1.8m",
    "ds_time_res": "",
    "ds_coordinate": "无",
    "ds_projection": "",
    "ds_thumbnail": "6399c454-98b4-4209-82d2-03d7cf16a198.jpg",
    "ds_thumb_from": 2,
    "ds_ref_way": "",
    "paper_ref_way": "",
    "ds_ref_instruction": "",
    "ds_from_station": null,
    "organization_id": "15c097ee-6847-4f6f-8b59-c6a7d5150039",
    "ds_serv_man": "敏玉芳",
    "ds_serv_phone": "0931-4967596",
    "ds_serv_mail": "ncdc@lzb.ac.cn",
    "doi_value": "",
    "subject_codes": [
        "170.4510"
    ],
    "quality_level": 3,
    "publish_time": "2024-08-25 08:36:39",
    "last_updated": "2024-09-03 15:45:00",
    "protected": false,
    "protected_to": "2026-08-22 00:00:00",
    "lang": "zh",
    "cstr": "11738.11.NCDC.NIEER.DB6555.2024",
    "i18n": {
        "en": {
            "title": "Potential distribution data of Qinghai spruce forest in Qilian Mountains during two time periods (2050 s and 2070 s)",
            "ds_format": "",
            "ds_source": "",
            "ds_quality": "",
            "ds_ref_way": "",
            "ds_abstract": "",
            "ds_time_res": "",
            "ds_acq_place": "Qilian Mountains ",
            "ds_space_res": "2.1m,2.4m,1.8m",
            "ds_projection": "",
            "ds_process_way": "",
            "ds_ref_instruction": ""
        }
    },
    "submit_center_id": "ncdc",
    "data_level": 0,
    "license_type": "CC BY 4.0",
    "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": [
        "祁连山青海云杉",
        "潜在分布"
    ],
    "ds_subject_tags": [
        "自然地理学"
    ],
    "ds_class_tags": [],
    "ds_locus_tags": [
        "祁连山大野口流域"
    ],
    "ds_time_tags": [
        2050,
        2070
    ],
    "ds_contributors": [
        {
            "true_name": "陈龙飞",
            "email": "chenlongfei@lzb.ac.cn",
            "work_for": "中国科学院西北生态环境资源研究院",
            "country": "中国"
        }
    ],
    "ds_meta_authors": [
        {
            "true_name": "陈龙飞",
            "email": "chenlongfei@lzb.ac.cn",
            "work_for": "中国科学院西北生态环境资源研究院",
            "country": "中国"
        }
    ],
    "ds_managers": [
        {
            "true_name": "陈龙飞",
            "email": "chenlongfei@lzb.ac.cn",
            "work_for": "中国科学院西北生态环境资源研究院",
            "country": "中国"
        }
    ],
    "category": "生态"
}