该数据集基于修订的光利用效率模型，生成了甘肃省初级生产力总值长期乘积，有效地再现甘肃省初级生产力的空间、季节和年度变化特征。\n
该数据集包括2000-2020年每8天GPP数据，要获得每8天的GPP/NPP年值，请将 GPP/NPP值乘以相应的天数（前45天的值为8，最后一天的值为5或 6）。
", "ds_source": "该数据来源于http://www.glass.umd.edu/Download.html。", "ds_process_way": "
该数据集是基于辐射利用效率概念的GPP值的累积组合，可用作计算陆地能源、碳、水循环过程和植被生物地球化学的数据模型的输入。
", "ds_quality": "数据质量良好。
", "ds_acq_start_time": "2000-01-01 00:00:00", "ds_acq_end_time": "2020-12-31 00:00:00", "ds_acq_place": "甘肃省", "ds_acq_lon_east": 108.7075, "ds_acq_lat_south": 32.596111111111114, "ds_acq_lon_west": 92.33777777777777, "ds_acq_lat_north": 42.79333333333333, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 4972515084, "ds_files_count": 2849, "ds_format": "hdf", "ds_space_res": "500m", "ds_time_res": "8 天", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "95f5b47e-ff6e-4c35-bb56-f08cc9b1dccb.png", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "526ff655-4cd4-4650-bb86-6fd3481dfb65", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.45" ], "quality_level": 3, "publish_time": "2023-12-27 10:03:02", "last_updated": "2025-06-30 16:29:51", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.NCDC.GSEER.DB4145.2023", "i18n": { "en": { "title": "Gansu Province Primary Gross Domestic Product (GPP) Dataset (2000-2020)", "ds_format": "hdf", "ds_source": "This data is sourced from http://www.glass.umd.edu/Download.html .", "ds_quality": "
The data quality is good.
", "ds_ref_way": "", "ds_abstract": "This dataset is based on a revised light utilization efficiency model and generates a long-term product of the total value of primary productivity in Gansu Province, effectively reproducing the spatial, seasonal, and annual variation characteristics of primary productivity in Gansu Province.\n
This dataset includes GPP data every 8 days from 2000 to 2020. To obtain the annual GPP/NPP value for every 8 days, multiply the GPP/NPP value by the corresponding number of days (the value for the first 45 days is 8, and the value for the last day is 5 or 6).
", "ds_time_res": "8 天", "ds_acq_place": "Gansu Province", "ds_space_res": "500m", "ds_projection": "", "ds_process_way": "This dataset is a cumulative combination of GPP values based on the concept of radiation utilization efficiency, which can be used as input for data models for calculating terrestrial energy, carbon, water cycle processes, and vegetation biogeochemistry.
", "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": [ "初级生产力的空间", "二氧化碳浓度", "辐射分量" ], "ds_subject_tags": [ "地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "甘肃省" ], "ds_time_tags": [ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 ], "ds_contributors": [ { "true_name": "张耀南", "email": "yaonan@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": "李红星", "email": "lihongxing@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": "敏玉芳", "email": "myf@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" }