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排序方式: 共有390条查询结果,搜索用时 15 毫秒
1.
Veeriah Jegatheesan Nevelina Pachova Perlie Velasco Mohamed Ismail Mohammed Mowjood Sujithra Kaushaliya Weragoda Madhubhashini Makehelwala Ngo Thuy Diem Trang Bao-Trong Dang Cong-Sac Tran Thi-Kim-Quyen Vo Nguyen Thi Thu Trang Huy Pham Ma. Catriona Devanadera Antonina Torrens Xuan-Thanh Bui Phuoc-Dan Nguyen Amy Lecciones Kristhombu Baduge Shameen Nishantha Jinadasa 《环境质量管理》2023,32(3):335-365
Water quality is a critical challenge in Asia in the context of growing industrialization, urbanization, and climate change. Nature-based solutions (NbS) could play an important role in reducing urban water pollution, while generating multiple co-benefits that could make cities more liveable and resilient. In this regard, a number of pilot and demonstration projects have been set up to explore their potential across cities in Asia. Their effectiveness and impacts, however, have not been adequately documented, thus how they can be sustained, replicated and up-scaled remain poorly understood. This study aims to contribute to addressing this challenge by co-developing an integrated assessment framework and employing it to understand how existing evaluations of NbS in the region can be improved. It focuses specifically on a set of nature-based solutions that have been employed for water treatment across six cities in Southeast Asia (two in each Sri Lanka, the Philippines, and Vietnam), namely, floating wetlands, constructed wetlands and maturation ponds. The study also suggests specific methodologies for capturing a set of core indicators considered relevant for assessing the effectiveness and capturing the multi-faceted impacts of the examined NbS. 相似文献
2.
Nguyen Thinh An Nguyen Bich Thi Van Ta Hanh Nguyen Nhung Thi Phuong Hoang Huong Thi Nguyen Quan Phung Hens Luc 《Environment, Development and Sustainability》2021,23(9):13469-13489
Environment, Development and Sustainability - Livelihoods of ethnic minority populations living in the mountains of Northern Vietnam are highly vulnerable to climate-induced natural hazards.... 相似文献
3.
Federica Pognant Matteo Bo Chi Vuong Nguyen Pietro Salizzoni Marina Clerico 《Environmental Modeling and Assessment》2018,23(2):157-164
The use of wood biomass as a fuel for domestic and industrial heating systems allows for a reduction of CO2 emissions at a global scale, but it may also result in worse local air quality conditions, due to their emissions of particulate matter. The aim of this study is to assess the actual trend of atmospheric pollution in a study area, assuming that all heating systems are replaced by small size biomass boilers linked to the buildings through district heating network. Ground level concentrations of particulate matter, emitted by different heating systems, are therefore evaluated through numerical simulations performed by means of an atmospheric dispersion model (Sirane). As a first step, we have compared the environmental impact of a woodchip boilers network with that given by the use of traditional heating systems, i.e. wood stoves and natural gas boilers. As a second step, we have analysed the impact of such a network taking into account different emission scenarios, related to different boilers operating conditions. Results show that the environmental performances of a woodchip boilers network can be optimized by combining it with other renewable sources of energy devoted to the supply of hot water. The adopted analysis methodology can be applied to other real or hypothetic punctual sources on the territory. 相似文献
4.
5.
Cuong Van Hoang Tuyen Quang Tran Yen Hai Thi Nguyen Lan Thanh Nguyen 《Natural resources forum》2020,44(4):311-333
Using secondary data from a socio-economic quantitative household survey of the North Central region of Vietnam, the main aim of our study is to analyze the causal effect of forest resources on household income and poverty. Based on the observed characteristics of a forest-based livelihood and forest-related activities, we use a propensity score matching (PSM) method to control for potential bias arising from self-selection. The PSM results indicate that households with a forest-based livelihood had a higher level of income and lower poverty rates than did those without. Interestingly, our findings confirm that a forest-based livelihood offers much higher income than any other type of livelihood adopted by local households. Also, the poverty rate among households with a forest-based livelihood is lower than those earning non-labor income or engaged in wage/crop and crop livelihoods. Among households and provinces, we find varying opportunities deriving from forest resources, suggesting that there are potential barriers hindering local households from pursuing a forest livelihood or participating in some forest activities. Therefore, government policy and regulations on forest management should focus on improving the access of households to forest resources, while enhancing the sustainability of these resources. 相似文献
6.
Bang Ho Quoc Nguyen Hiep Duc Vu Khue Hien To Thi 《Environmental Modeling and Assessment》2019,24(3):295-310
Environmental Modeling & Assessment - This paper describes the application of the air pollution model (TAPM-CTM) for photochemical airshed modelling in the Ho Chi Minh region. The model was... 相似文献
7.
Estimating the generation of recycled metals from obsolete motorcycles in Vietnam for ELV management
Kurogi Daiki Kosai Shoki Murakami Genya Phong Lai Thai Quang Nguyen Duc Huy Tran Duc Luong Nguyen Yamasue Eiji 《Journal of Material Cycles and Waste Management》2021,23(4):1563-1575
Journal of Material Cycles and Waste Management - The demand for various modes of transportation has significantly increased around the world due to rapid urbanization, the increase in population,... 相似文献
8.
Hirokazu Ozaki Thi Kinh Co Anh Kha Le Viet Nu Pham Van Be Nguyen Mitsunori Tarao Huu Chiem Nguyen Viet Dung Le Hieu Trung Nguyen Masaki Sagehashi Sachi Ninomiya-Lim Takashi Gomi Masaaki Hosomi Hideshige Takada 《Environmental monitoring and assessment》2014,186(2):845-858
In this study, we focused on water quality in an urban canal and the Mekong River in the city of Can Tho, a central municipality of the Mekong Delta region, southern Vietnam. Water temperature, pH, electrical conductivity, BOD5, CODCr, Na+, Cl?, NH4 +?N, SO4 2??S, NO3 ??N, and NO2 ??N for both canal and river, and tide level of the urban canal, were monitored once per month from May 2010 to April 2012. The urban canal is subject to severe anthropogenic contamination, owing to poor sewage treatment. In general, water quality in the canal exhibited strong tidal variation, poorer at lower tides and better at higher tides. Some anomalies were observed, with degraded water quality under some high-tide conditions. These were associated with flow from the upstream residential area. Therefore, it was concluded that water quality in the urban canal changed with a balance between dilution effects and extent of contaminant supply, both driven by tidal fluctuations in the Mekong River. 相似文献
9.
Dung Tran Thi Thu Vassilieva Elvira Golreihan Asefeh Phung Nguyen Ky Swennen Rudy Cappuyns Valérie 《Journal of Material Cycles and Waste Management》2017,19(3):1194-1203
Journal of Material Cycles and Waste Management - Understanding the chemical and mineralogical characteristics of bottom ash (BA) containing Potentially Toxic Elements (PTEs, e.g., As, Cd, Co, Cu,... 相似文献
10.
Petra Schneider Anja Lämmel Andreas Schmitt Nguyen Phuong Nam Le Hung Anh 《Journal of Material Cycles and Waste Management》2017,19(3):1106-1116
The contribution investigates the solid waste management system in Ha Noi under consideration of the interrelation between climate change effects and landfill management by means of a cause-and-effect-analysis as well as water balances using the HELP 3.95 model and gas emission data, followed by a Strength, Weakness, Opportunities, Threats (SWOT) analysis. Even landfills are sources of methane (CH4) emissions they are also impacted by climate change. The main effects on landfill sites are the change of climatic conditions, namely the regional water balance, extreme precipitation and storm events. The results of the water balance model results show that a geomembrane surface sealing can reduce the leachate formation significantly, a fact that is also valid for the climate change scenario with higher precipitation. The risk of flooding and erosion at the landfill sites increases, which will require a customized water management. In parallel landfill gas offers the opportunity for recovery of Greenhouse Gases (GHG) and the generation of renewable energy. Some further management options are wind turbines, photovoltaic systems or biomass for biogas conversion, which was grown on closed landfill sites. The inclusion of climate friendly management options of closed landfills in a “Good Landfill Aftercare Practice” is recommended. 相似文献