نتایج جستجو برای: ghgs
تعداد نتایج: 740 فیلتر نتایج به سال:
This study reports the linkage between MIKE SHE and Wetland-DNDC for carbon dynamics and greenhouse gases (GHGs) emissions simulation in forested wetland.Wetland-DNDC was modified by parameterizing management measures, refining anaerobic biogeochemical processes, and was linked to the hydrological model – MIKE SHE. As a preliminary application, we simulated the effect of water table position an...
Sewer system is fundamental urban infrastructure for the public sanitation. Construction of sewer system is needed to invest a huge amount of capitals and labours as well as generates various and wastes and atmospheric emissions, and hence sewer pipes should be appropriately managed in the environemental aspect which is analysis of greenhousegases(GHGs) emissions. In this study, we investigated...
Future stratospheric ozone concentrations will be determined both by changes in the concentration of ozone depleting substances (ODSs) and by changes in stratospheric and tropospheric climate, including those caused by changes in anthropogenic greenhouse gases (GHGs). Since future economic development pathways and resultant emissions of GHGs are uncertain, anthropogenic climate change could be ...
Modern cropping systems use substantial amounts of fossil energy in the form of fertilizers, pesticides, and fuel for field operations. An important environmental consequence of this use is the emission of greenhouse gases (GHGs) to the atmosphere, from sources both direct and indirect. Direct sources include fossil fuel used for tillage and other field operations as well as GHGs produced and c...
It is widely recognized by scientific communities that human activity is altering Earth’s atmospheric composition and contributing to global climate change. Greenhouse gases (GHG), while naturally occurring elements, absorb and emit radiation within the thermal infrared range1. Activities that emit GHGs, such as transportation, manufacturing, and land use changes, concentrate these gases though...
The use of fossil fuels is increasingly questioned due to depleting natural energy assets and the buildup of greenhouse gases (GHGs). Biofuels are an efficient substitute to existing fossil fuel based energy sources as they can be utilized for transport with little modification to existing techniques. They thus offer the prospect of ecological sustainability and reduced GHGs emission. Microalga...
Vegetation biomass is a crucial ecological variable for understanding the evolution and potential future changes of the climate system. Vegetation biomass is a larger global store of carbon than the atmosphere, and changes in the amount of vegetation biomass already affect the global atmosphere by being a net source of carbon, and having the potential either to sequester carbon in the future or...
Abstract. In order to establish a creditable greenhouse gas (GHG) monitoring network support the goals of carbon peak/neutrality, it is necessary know what we have done and do in future. this study, summarize an overview status perspective GHG China. With decades effort, China has made great breakthrough capacity steadily improved performance homemade instruments. However, most studies been res...
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