This study clarifies the potential of China''s different ecological engineering to increase carbon sink potential, and distinguishes and quantifies the contribution of climate and …
Limiting the rise in global mean temperatures relies on reducing carbon dioxide (CO2) emissions and on the removal of CO2 by land carbon sinks. China is currently the single largest emitter of CO2 ...
The carbon sink mechanism of terrestrial ecosystems mainly relies on photosynthesis, and the carbon sink pathways are major forests, soils and wetlands, among …
A study on the value accounting of forest carbon sink services can promote the rapid development of the carbon sink market and help better understand the impact of forest carbon sinks on climate change and economic development. However, few studies have evaluated the value of China''s current forest carbon sink services. Based on research on …
It is well acknowledged that terrestrial ecosystems serve as important carbon sinks by absorbing CO 2 in the atmosphere via photosynthesis (Morecroft et al., 2019; Roe et al., 2019), and such carbon sink capacity is substantially sensitive to the incident solar radiation and meteorological conditions. Noteworthily, air pollutants, especially aerosol particles in the …
As an efficient long-term carbon sink, marine carbon sinks and the associated carbon sink effects, technology, accounting and trading market construction warrant investigation across various disciplines. However, information on the interrelationships and their development over time with respect to the research conducted in China is limited, affecting the ability to drive …
Carbon sinks, the utilization of the source energy in the form of ATP and reducing equivalent NADPH to fix carbon via the Cavin-Benson-Bassham cycle (Lucius et al., 2022), and the further downstream carbon metabolism can be defined as the carbon sinks of the cell (Yu King Hing et al., 2019). The source energy is harvested in the cell so that it can be spent at these metabolic …
To achieve carbon neutrality, it is necessary to strengthen carbon sink management and protection, increase ecological carbon sinks, and enhance ecosystem …
As a result, the value placed on forests in the EU can be seen as a viable way of mitigating GHG emissions through carbon sinks and sequestration. In the UNECE region as a whole, the carbon stock in forest ecosystems is increasing. Since 1990, the total forest carbon stock in Europe increased by 2 billion tons, i.e. an average of 137 million ...
For each of the five scenarios, two cases are analysed: (a) a standard model run with a climate carbon cycle that yields less effective CO 2 sinks over time (as is the case in the …
Global net land carbon uptake or net biome production (NBP) has increased during recent decades1. Whether its temporal variability and autocorrelation have changed during this period, however ...
The Carbon Sinks Atlas is a web-based data and information tool aimed at providing the spatial distribution of carbon stocks and fluxes across South Africa. Understanding drivers and how carbon stocks have changed historically and may do in future, is pivotal to understanding the opportunities for REDD+ and other key principal climate change ...
Furthermore, it remains largely unknown regarding the balance between carbon burial and GHG emissions in individual lakes, i.e., their roles in regional carbon budgets, and the major drivers behind this balance [21] ch carbon sink-source balance has been previously investigated in different terrestrial and aquatic environments, such as forests, grasslands, …
The importance of carbonate weathering carbon sinks (CCSs) is almost equal to that of vegetation photosynthesis in the global carbon cycle. However, CCSs have become controversial in formulating carbon neutral policies to deal with global climate problems in various countries, since the carbonate dissolution is reversible. In order to address these …
National Terrestrial Carbon Sinks Assessment 2020 • Summary for Policy Makers. 3. FOREWORD. The National Land Cover is a proxy for land use and management, thus can be used to assess drivers of carbon . stocks changes and fluxes. Since the development of the first National Terrestrial Carbon Sinks Assessment
We found that the Inner Mongolia grasslands switched from a carbon sink (6.81 ± 4.14 Tg C y −1) to a source (−4.14 ± 4.79 Tg C y −1) in the dry period of 1999–2011. Yuan et al. (2014) also identified 1999–2011 as a drought period during which the carbon sink declined by 11 Tg C y −1 over Northern China. Several drought years ...
The terrestrial carbon sink has been large in recent decades, but its size and location remain uncertain. Using forest inventory data and long-term ecosystem carbon studies, we estimate a total forest sink of 2.4 ± 0.4 petagrams of carbon per year (Pg C year –1) globally for 1990 to 2007.We also estimate a source of 1.3 ± 0.7 Pg C year –1 from tropical land-use change, …
The reduced proportion of carbon absorbed by sinks in the high emission scenarios presented in IPCC figure SPM. 7 thus results from a combination of the reduced effectiveness of the carbon sinks, in the sense of increased sink removal time scales as given by equations – above and illustrated in figure SM1, and the time profile of the emissions in the …
Natural carbon sinks absorb roughly half of atmospheric CO2. They range from the oceans and forests to elephants and fungi and are some of the few solutions that are ready today for carbon removal. Protecting them is essential if they are going to help tackle the climate crisis, as their destruction releases stored carbon back into the atmosphere.
In particular, the Southern Ocean carbon sink since 2010 was notably overestimated by approximately 29%. This overestimation can be mitigated by a winter correction in algorithms, with the average ...
Through process-based diagnostic ecosystem modeling, we find that the increase in LAI alone was responsible for 12.4% of the accumulated terrestrial carbon sink (95 ± 5 Pg C) from 1981 to 2016 ...