Abstract
Abstract The value of terrestrial carbon sequestration in urban areas, due to lack of vegetation as a carbon sink, is rarely studied. In fact, urban areas have high carbon emission values, which must be minimised. On the other hand, the value of carbon sequestration in urban areas is very dynamic due to natural factors from the environment and non-natural factors from anthropogenic activities. The main objectives of this study are to identify the carbon dioxide sequestration in urban areas, especially in tropical climates, and to determine the dynamics of carbon sequestration in urban areas for a year. The results show that carbon sequestration in tropical urban areas has a significant value compared with urban areas in temperate climates. This condition happens because there are still green open spaces in gardens and agricultural lands. The value of carbon sequestration in this tropical urban area experiences monthly dynamics caused by rainfall variation and anthropogenic activities, such as land conversion and plant type conversion in agricultural lands.
Highlights
Reducing climate change risk is a main focus of discussion at the global and regional scales
The results show that carbon sequestration in tropical urban areas has a significant value compared with urban areas in temperate climates
Carbon sequestration in the study area was modelled using net productivity value through a photosynthesis process known as Net Primary Productivity (NPP)
Summary
Reducing climate change risk is a main focus of discussion at the global and regional scales. One of the main agendas to reduce climate change risk through the Intergovernmental Panel on Climate Change (IPCC) Working Group 1 in 1990 and 2000 is by reducing the amount of carbon emissions in the atmosphere. As a country participating in this conference panel, Indonesia has a big commitment to reduce carbon emissions. This commitment is contained in a government regulation regarding the National Action Plan for Reducing Greenhouse Gas Emissions. This regulation contains the commitment of Indonesia to reduce carbon dioxide emissions by 26% independently and 41% with the help of other parties. The regulation provides a direct mandate to the administrative areas under the Indonesian state to support the national emission reduction targets through regional action
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