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政府间气候变化专门委员会 (IPCC) 根据地球观测进行的1级森林生物质估计

Neha Hunka¹, Laura Duncanson², John Armston²

¹Department of Geographical Sciences, University of Maryland, 4600 River Road, Riverdale, 20737, Maryland, USA. nhunka@umd.edu.

Scientific data

|October 14, 2024

概括

地球观测 (EO) 为自然森林提供了一致的地面生物质密度 (AGBD) 估计. 这些数据支持联合国气候变化框架公约 (UNFCCC) 报告和全球森林监测.

科学领域:

地球观测地球观测
林业科学林业科学
气候变化科学气候变化科学

背景情况:

准确的地面生物质密度 (AGBD) 估计对于全球碳核算和气候变化减缓工作至关重要.
现有的AGBD估计方法往往缺乏联合国气候变化框架公约 (UNFCCC) 等国际机构要求的标准化报告格式.
地球观测 (EO) 数据为一致的AGBD监测提供了一个可扩展的解决方案.

研究的目的:

为自然森林提供标准化的地面生物质密度 (AGBD) 估计.
提供地理空间层,按生态区,大陆和年龄状态 (初级,年轻,老二级) 分类全球森林.
支持政府间气候变化专门委员会 (IPCC) 排放因素数据库和UNFCCC报告流程.

主要方法:

利用了美国宇航局的全球生态系统动力学调查 (GEDI) 和ICESat-2以及欧洲航天局的气候变化倡议 (CCI) 的数据.
在开放科学框架内集成各种EO衍生数据集,使用多任务算法和分析平台 (MAAP).
应用IPCC级别1方法用于AGBD估计,并开发了森林分类层.

主要成果:

为全球自然森林生成IPCC一级AGBD估计.
生产的地理空间层划分森林类型,位置和年龄类别.
建立了一个灵活的,开放的科学框架,用于整合未来的EO数据集.

结论:

基于EO的AGBD估计和森林分类为气候变化报告提供了有价值的独立贡献.
开发的框架提高了未来全球森林监测的透明度和适应性.
这些数据集将有助于与政策相关的分析,并跟踪气候变化导致的全球森林变化.

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Primary Production

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Trophic Efficiency

Trophic Efficiency

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The Carbon Cycle

The Carbon Cycle

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Global Climate Change

Global Climate Change

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