Spatial-temporal dynamics of carbon emissions and carbon sinks in economically developed areas
where C veg represents annual total carbon sinks; R veg-i refers to carbon sink factors of different land cover types (i.e. forest land and grassland, respectively), which were quoted from
The role of soil carbon in natural climate solutions
We show that soil carbon represents 25% of the potential of natural climate solutions (total potential, 23.8 Gt of CO 2 -equivalent per year), of which 40% is protection of existing soil carbon
Forests as carbon sinks—benefits and consequences
However, as the forest grew, the effects of increased carbon storage dominated the effect of decreased albedo. After 20 years, the effects from decreased albedo reduced the benefit of reducing radiative forcing only by ∼10–20%, depending on the inclusion of carbon cycle feedbacks with other sinks ( Kirschbaum 2003 ).
Transient performance of a thermal energy storage-based heat sink
In this Technical Note, the use of a liquid metal, i.e., a low melting point Pb–Sn–In–Bi alloy, as the phase change material (PCM) in thermal energy storage-based heat sinks is tested in comparison to an organic PCM (1-octadecanol) having a similar melting point of
The ocean – the world''s greatest ally against climate change
The ocean is an incredible source of renewable energy – off-shore wind and ocean energy, derived from natural sources, such as wind, water and tides, that don''t emit carbon dioxide or other
Buildings as a global carbon sink | Nature Sustainability
This Perspective discusses the possibility of constructing mid-rise urban buildings with engineered timber for long-term carbon storage and carbon emissions
Evidence and attribution of the enhanced land carbon sink
Atmospheric, satellite and in situ observations, along with outputs of DGVM models, all provide ample evidence of an increase in the global land carbon sink.
Forest aging limits future carbon sink in China
Forest age structure, shaped by past land-use and land-cover changes (LULCC), is pivotal for estimating ecosystem carbon sinks. China''s extensive LULCC in
The Terrestrial Carbon Sink
Here, we review recent developments and the current state of knowledge on the terrestrial carbon sink. We start by giving an overview of the terminol-ogy used to refer to different
Energy substitutions, climate change and carbon sinks
We determine the optimal exploitation time-paths of two energy resources, one being depletable and polluting, namely a fossil fuel, the other being renewable and clean. These optimal paths are considered along with the two following features. First, the cumulative atmospheric pollution stock is set not to exceed some critical threshold and
Achieving carbon neutrality through ecological carbon sinks: A
Land CO 2 sink, referred as green carbon sink, is the largest organic carbon storage reservoir on earth (3.1 ± 0.6 GtC yr −1 during 2012–2021) absorbing
The size of the land carbon sink in China | Nature
Wang et al. 2 attributed the large carbon sink to afforestation efforts in China, which seems consistent with the dominant role (80%) of forests in carbon sequestration in China 5. However, if
Comparison of the CASA and InVEST models'' effects for estimating spatiotemporal differences in carbon storage
The estimation results of the carbon storage model showed that the carbon storage of green space shows a significant trend of reduction from 2008 to 2022, and the reduction amounts are 0.8 × 106
Trends and variability in the ocean carbon sink
The net oceanic uptake rate of CO 2 will likely decrease in the future owing to several converging trends: reduced emissions of CO 2 leading to reduced atmospheric
Uncovering the world''s largest carbon sink—a profile of ocean carbon sinks
As the world''s largest carbon sink, the oceans are essential to achieving the 1.5 °C target. Marine ecosystems play a crucial role in the "sink enhancement" process. A deeper comprehension of research trends, hotspots, and the boundaries of ocean carbon sinks is necessary for a more effective response to climate change. To this end,
Carbon sink
A carbon sink is a type of carbon pool that has the capability to take up more carbon from the atmosphere than it releases. Globally, the two most important carbon sinks are
Low-cost energy storage and energy sink technologies
Low-cost energy storage and energy sink technologies could improve the profitability of both nuclear power plants and those using renewable energy. The intermittency of wind and solar generation creates daily and seasonal periods of low, sometimes even negative, electricity prices that erase the revenues of baseload generators, such as nuclear plants.
Here''s how carbon sinks help fight the climate crisis
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
Carbon Sources and Sinks
noun. separation of a chemical compound into elements or simpler compounds. fossil fuel. noun. coal, oil, or natural gas. Fossil fuels formed from the remains of ancient plants and animals. photosynthesis.
What drives forest carbon storage? The ramifications
As the climate changes and scientists seek to project its future course, an important uncertainty lies in the response of forests. Will rising atmospheric carbon dioxide (CO 2) and lengthening growing
Energy Storage | MIT Climate Portal
Energy storage is technology that holds energy at one time so it can be used at another time. Cheap and abundant energy storage is a key challenge for a low-carbon energy system.
Carbon capture and storage
Carbon capture and storage (CCS) is a process in which a relatively pure stream of carbon dioxide (CO 2) from industrial sources is separated, treated and transported to a long-term storage location. [2] : 2221 For example, the burning of fossil fuels or biomass results in a stream of CO 2 that could be captured and stored by CCS.
Carbon sinks and carbon emissions balance of land use
According to Fig. 11, among the carbon sink ecosystem services obtained in the five ecological deficit areas in Urumqi, the carbon sink ecosystem services provided by Balikun through spatial
Understanding the role and design space of demand sinks in low-carbon
There is a strong relationship between demand sink capex and utilization rates. Low capex (<$500/KWin) demand sinks such as resistive heating or electrolysis ideally operate at a utilization rate of 30-40%, whereas high capex (>$900/KWin) demand sinks such as DAC ideally operate at a utilization rate of 75-95%. •.
Energy substitutions, climate change and carbon sinks
The term carbon sinks also refer to biomass carbon storage, e.g. in soils, plants and especially trees (see for example IPCC, 2001). Biomass carbon storage is not the focus of the present analysis. 3 In this case, captured gases are
A large but transient carbon sink from urbanization and rural
The aboveground carbon stock increases for China shown in this study covering 2002–2020 (0.29 PgC yr −1) are higher than those estimated by Piao et al. 44, who used inventory and ecological
Forest carbon storage and sink estimates under different
Carbon storage (or sinks) of planted forests and new forests under management scenarios are projected as 2.70 ± 0.05 Pg C (0.09 ± 0.003 Pg C/ year) and
Heading towards carbon neutrality: how do marine carbon sinks
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
Carbon sequestration
Biologic carbon sequestration is a naturally occurring process as part of the carbon cycle. Humans can enhance it through deliberate actions and use of technology. Carbon dioxide ( CO. 2) is naturally captured from the
Achieving carbon neutrality through ecological carbon sinks: A
Land CO 2 sink, referred as green carbon sink, is the largest organic carbon storage reservoir on earth (3.1 ± 0.6 GtC yr −1 during 2012–2021) absorbing about 29% of carbon emissions (the carbon budget imbalance is a
