Global Above Ground Biomass 2007-2022
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This dataset comprises estimates of forest above ground biomass (AGB; unit: Mg/ha i.e., tons/ha) on a spatial resolution of 1 km for the years 2007, 2010, 2015, 2016, 2017, 2018, 2019, 2020, 2021, and 2022. This is defined as the mass, expressed as oven-dry weight of the woody parts (stem, bark, branches and twigs) of all living trees excluding stump and roots per unit area. They are derived from a combination of Earth observation data, depending on the year, from the Copernicus Sentinel-1 mission, Envisat's ASAR (Advanced Synthetic Aperture Radar) instrument, and JAXA's (Japan Aerospace Exploration Agency) Advanced Land Observing Satellite (ALOS-1 and ALOS-2), along with additional information from Earth observation sources. The data has been produced as part of the European Space Agency's (ESA's) Climate Change Initiative (CCI) programme by the Biomass CCI team. This release of the data is version 6. Compared to version 5, version 6 consists of an update of the maps of AGB for the years 2010, 2015, 2016, 2017, 2018, 2019, 2020, and 2021 and new AGB maps for 2007 and 2022. The pool of remote sensing data includes multi-temporal observations at L-band for all biomes and for all years and extended ICESat-2 observations to calibrate retrieval models. A cost function that preserves the temporal features as expressed in the remote sensing data has been refined to limit biases between the 2007-2010 and the 2015+ maps. Note: in the Multidimensional tab, the time values are shown as e.g. 2007-12-01T00:00:00Z. This refers to the annual layer for 2007, not specifically for December 1st. Dataset Summary Phenomenon Mapped: Forest Above Ground Biomass Geographic Extent: Global Cell Size: 1 km Dimensions: latitude, longitude, time Time Extent: 2007-2022 Source: ESA Data Vintage: April 17, 2025 Publication Date: May 28, 2025 What can you do with this layer? This map service is designed for fast data visualization and analysis. Identify features by clicking on the map to reveal the pre-configured pop-ups. Citable as: Santoro, M.; Cartus, O. (2025): ESA Biomass Climate Change Initiative (Biomass_cci): Global datasets of forest above-ground biomass for the years 2007, 2010, 2015, 2016, 2017, 2018, 2019, 2020, 2021, and 2022, v6.0. NERC EDS Centre for Environmental Data Analysis, 17 April 2025. doi:10.5285/95913ffb6467447ca72c4e9d8cf30501. https://dx.doi.org/10.5285/95913ffb6467447ca72c4e9d8cf30501 Questions? Please leave a comment below if you have a question about this layer, and we will get back to you as soon as possible.
本数据集包含2007、2010、2015、2016、2017、2018、2019、2020、2021及2022年的森林地上生物量(above ground biomass, AGB;单位:Mg/ha,即吨/公顷)估算数据,空间分辨率为1 km。本数据集所指的森林地上生物量,为单位面积内所有活立木的木质部分(茎干、树皮、枝条及细枝)的烘干重量,不包含伐桩与根系。该数据集基于多类地球观测数据融合生成,不同年份所用数据源包括哥白尼哨兵-1任务(Copernicus Sentinel-1 mission)、Envisat卫星的先进合成孔径雷达(Advanced Synthetic Aperture Radar, ASAR)仪器,以及日本宇宙航空研究开发机构(Japan Aerospace Exploration Agency, JAXA)的先进陆地观测卫星(Advanced Land Observing Satellite, ALOS-1与ALOS-2),同时辅以其他地球观测来源的补充信息。本数据由欧洲空间局(European Space Agency, ESA)气候变化倡议(Climate Change Initiative, CCI)计划下的Biomass CCI团队制作完成。本次数据发布为第6版(v6)。相较于第5版,第6版更新了2010、2015、2016、2017、2018、2019、2020及2021年的AGB地图,并新增了2007年与2022年的AGB地图。遥感数据源涵盖覆盖所有生物群系、对应所有年份的L波段多时序观测数据,并扩展了ICESat-2的观测数据用于校准反演模型;同时优化了保留遥感数据时间特征的代价函数,以限制2007-2010年数据集与2015年及以后数据集之间的偏差。请注意,在多维标签页中,时间值会显示为类似"2007-12-01T00:00:00Z"的格式,该值指代的是2007年的年度图层,而非特指12月1日。 数据集摘要 映射现象:森林地上生物量 地理覆盖范围:全球 格网尺寸:1 km 维度:纬度、经度、时间 时间范围:2007-2022 数据来源:欧洲空间局(ESA) 数据生成时间:2025年4月17日 公开日期:2025年5月28日 该图层的使用场景 此地图服务旨在支持快速数据可视化与分析。点击地图即可识别地物,并调出预配置的弹出信息窗口。 可引用为:Santoro, M.; Cartus, O. (2025): ESA生物质气候变化倡议(Biomass_cci):2007、2010、2015、2016、2017、2018、2019、2020、2021及2022年全球森林地上生物量数据集,v6.0. 英国自然环境研究委员会环境数据服务中心(NERC EDS)环境数据分析中心,2025年4月17日。doi:10.5285/95913ffb6467447ca72c4e9d8cf30501. https://dx.doi.org/10.5285/95913ffb6467447ca72c4e9d8cf30501 如有关于此图层的疑问,请在下方留言,我们将尽快回复。



