{"id":2006,"date":"2024-03-01T03:58:03","date_gmt":"2024-03-01T03:58:03","guid":{"rendered":"https:\/\/ghgvietnam.vn\/en\/?p=2006"},"modified":"2024-03-01T03:58:03","modified_gmt":"2024-03-01T03:58:03","slug":"how-to-calculate-co2-sequestration","status":"publish","type":"post","link":"https:\/\/ghgvietnam.vn\/en\/how-to-calculate-co2-sequestration\/","title":{"rendered":"How to calculate CO2 sequestration"},"content":{"rendered":"
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Posted on\u00a002-02-2024<\/strong><\/span>\u00a0by Bas Fransen<\/span><\/div>\n<\/div>\n
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Written by Wika Wulandari, Forestry and Carbon Specialist EcoMatcher.<\/p>\n

In the intricate and dynamic ecosystems of forests, a crucial ecological process is unfolding that has significant implications for our planet\u2019s carbon balance. Tropical forests are adept at producing 34% of oxygen\u00a0[1]<\/em>. This capability is not merely a passive feature of these ecosystems but a fundamental aspect of the photosynthetic process, wherein trees and plants convert CO2<\/sub>\u00a0and sunlight into energy, essential for their growth and sustenance.<\/p>\n

The role of CO2<\/sub>\u00a0uptake in forests extends far beyond mere carbon sequestration. It is intimately connected to the growth and developmental dynamics of trees, primarily through its influence on biomass accumulation. Biomass, in this context, refers to the sum of all organic material that constitutes a tree\u2019s physical structure \u2013 a tangible indicator of its growth. Trees distribute this biomass in two primary compartments:\u00a0Above-Ground Biomass (AGB)<\/strong>\u00a0and\u00a0Below-Ground Biomass (BGB)<\/strong>\u00a0(Figure 1\u00a0[2]<\/em>). Above-ground biomass encompasses the parts of the tree that are visible above the soil line, including the trunk, branches, leaves, and any fruits or flowers. Below-ground biomass consists of the roots, which, though less visible, are equally crucial for the tree\u2019s stability and nutrient uptake.<\/p>\n

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Figure 1. Tree carbon pools<\/p>\n

This distribution of biomass is central to understanding how trees store carbon. The CO2 absorbed from the atmosphere is assimilated into both AGB and BGB. As a tree matures, its capacity to sequester carbon increases, making older trees more efficient at absorbing CO2<\/sub>. This relationship highlights the significance of forest conservation and the role mature trees play in mitigating climate change. By understanding and supporting these natural processes, we can enhance the capacity of forests to act as carbon sinks, thereby contributing to global efforts to balance our planet\u2019s carbon cycle and combat the escalating challenges of climate change.<\/p>\n

To accurately determine the amount of CO2<\/sub>\u00a0absorbed by trees, two critical measurements are taken directly from the tree: its diameter, measured in cm, and its height, measured in meters. These measurements are essential for calculating both the Above-Ground Biomass (AGB) and Below-Ground Biomass (BGB). The calculation of these biomass values is based on a specific formula that incorporates these two parameters 9\u00a0[3]<\/em>.<\/p>\n

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AGB = 0.25 x D2\u00a0<\/sup>x H<\/strong><\/em><\/p>\n

Where:<\/p>\n