本数据研究区包括中国北方12个省和1个市，分别是新疆维吾尔自治区、西藏自治区、青海省、甘肃省、内蒙古自治区、宁夏回族自治区、辽宁省、黑龙江省、吉林省、河北省、陕西省、山西省和北京市。本研究旨在评估气候变化和CO2浓度升高对中国北方干旱半干旱区碳储量的影响，为理解中国北方生态系统的碳循环和制定相应的生态保护策略提供科学依据。数据包含了总碳库、植被碳库、土壤碳库和凋落物碳库。
", "ds_source": "本数据的建立和共享，为区域生态系统碳储量评估，生态系统质量评估提供了重要的基础数据。该数据的发表为理解中国北方生态系统的碳循环和制定相应的生态保护策略提供了科学依据，并支持了国家碳预算估算和可持续农业政策的制定。
", "ds_process_way": "本数据利用干旱生态系统模型AEM (Arid Ecosystem Model)模拟了中国北方的碳储量。
", "ds_quality": "数据质量良好。
", "ds_acq_start_time": "1980-01-01 00:00:00", "ds_acq_end_time": "2020-12-31 00:00:00", "ds_acq_place": "中国北方", "ds_acq_lon_east": 134.0, "ds_acq_lat_south": 53.0, "ds_acq_lon_west": 73.0, "ds_acq_lat_north": 26.0, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "open-access", "ds_total_size": 2016650, "ds_files_count": 5, "ds_format": "grid", "ds_space_res": "10 km×10 km", "ds_time_res": "", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "ec29102a-89c2-4299-bafc-e890292f8f32.png", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "952adb3f-3ede-4a94-942a-7de772f1bfc5", "ds_serv_man": "李红星", "ds_serv_phone": "0931-4967592", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2025-01-20 10:47:30", "last_updated": "2026-05-27 16:59:38", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.NCDC.NIEER.DB6727.2025", "i18n": { "en": { "title": "Organic carbon storage and carbon dynamics dataset of ecosystems in northern China (1980-2020)", "ds_format": "grid", "ds_source": "The establishment and sharing of this data provide important foundational data for regional ecosystem carbon stock assessment and ecosystem quality assessment. The publication of this data provides a scientific basis for understanding the carbon cycle of ecosystems in northern China and formulating corresponding ecological protection strategies, and supports the estimation of national carbon budgets and the formulation of sustainable agricultural policies.
", "ds_quality": "The data quality is good.
", "ds_ref_way": "", "ds_abstract": "The data study area includes 12 provinces and 1 city in northern China, namely Xinjiang Uygur Autonomous Region, Xizang Autonomous Region, Qinghai Province, Gansu Province, Inner Mongolia Autonomous Region, Ningxia Hui Autonomous Region, Liaoning Province, Heilongjiang Province, Jilin Province, Hebei Province, Shaanxi Province, Shanxi Province and Beijing City. The aim of this study is to evaluate the impact of climate change and increasing CO2 concentrations on carbon storage in the arid and semi-arid regions of northern China, providing a scientific basis for understanding the carbon cycle of ecosystems in northern China and developing corresponding ecological protection strategies. The data includes total carbon pool, vegetation carbon pool, soil carbon pool, and litter carbon pool.
", "ds_time_res": "", "ds_acq_place": "Northern China", "ds_space_res": "", "ds_projection": "", "ds_process_way": "This data uses the Arid Ecosystem Model (AEM) to simulate carbon storage in northern China.
", "ds_ref_instruction": "" } }, "submit_center_id": "ncdc", "data_level": 0, "recommendation_value": 0, "license_type": "https://creativecommons.org/licenses/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, "belong_to_nieer": false, "ds_topic_tags": [ "有机碳储量", "碳储量", "干旱生态系统模型AEM" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "中国北方" ], "ds_time_tags": [ 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 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": "方霞", "email": "xiafangxj@163.com", "work_for": "新疆工程学院", "country": "中国" }, { "true_name": "朱士华", "email": "zhu_shihua2021@163.com", "work_for": "江苏省气候中心", "country": "中国" }, { "true_name": "曹良中", "email": "clz152026@163.com", "work_for": "九江学院", "country": "中国" }, { "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": "朱士华", "email": "zhu_shihua2021@163.com", "work_for": "江苏省气候中心", "country": "中国" } ], "ds_managers": [ { "true_name": "方霞", "email": "xiafangxj@163.com", "work_for": "新疆工程学院", "country": "中国" } ], "category": "生态" }