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In: Asian survey: a bimonthly review of contemporary Asian affairs, Band 23, Heft 2, S. 149-157
ISSN: 0004-4687
Political process in Bangladesh changed by a bloodless military takeover of the government under Lt.-Gen. Ershad in March 1982. Nature of the military regime. Central issue in Ershad's reform plans is the administrative decentralization, e.g. upgrading of thanas (administrative units below sub-divisions) as the basic unit of administration, economic activities etc. Poor performance on the economy in 1982. Foreign policy concerns. (DÜI-Sen)
World Affairs Online
"Recently, off-campus delivery of university courses has become popular. There is an opportunity for delivering engineering courses using a blended learning approach where the best possible components of face-to-face and online delivery can be combined to offer flexible and dynamic engineering courses. This edited book will focus on curriculum development, preparation of course materials, new assessment tools and delivery platform that are needed to make blended and online delivery of engineering and technological courses viable. This book will also cover issues on the development of shareable resources across institutions to make blended learning more effective in engineering education"--
In: Water and environment journal, Band 37, Heft 1, S. 166-177
ISSN: 1747-6593
AbstractIn this study, laboratory models of six permeable pavement system (PPS) columns with various subbase configurations were examined for phosphorus attenuation. Experiments were carried out under varying intensities and durations of rainfall to investigate possible PPS modifications to enhance the performance of phosphorus attenuation and the likelihood of phosphorus leaching back to infiltration. The results show the inefficiencies of phosphate attenuation in the conventional PPS structure. During long‐duration rainfall events, phosphates can be leached back to the infiltrate through the conventional PPS structure. The intensity of rainfall affects the attenuation of total phosphorus through the six permeable pavement columns. To achieve an enhanced phosphate attenuation, the findings of this study suggest modifying the PPS structure by incorporating thin sand layers in the subbase. Also, the correlation between pollutant attenuation and subbase materials is found. Finally, design modification of PPS is recommended to enhance the pollutant attenuation capacity of the PPS.
In: Pacific affairs: an international review of Asia and the Pacific, Band 55, Heft 4, S. 728
ISSN: 1715-3379
In: Environmental research advances
In: Environmental science, engineering and technology
In: Water--2073-4441-- Vol. 13 Issue. 19 No. 2606 pp: -
This paper presents reliability, water demand and economic analysis of rainwater harvesting (RWH) systems for eight Australian capital cities (Adelaide, Brisbane, Canberra, Darwin, Hobart, Melbourne, Perth and Sydney). A Python-based tool is developed based on a daily water balance modelling approach, which uses input data such as daily rainfall, roof area, overflow losses, daily water demand and first flush. Ten different tank volumes are considered (1, 3, 5, 10, 15, 20, 30, 50, 75 and 100 m3). It is found that for a large roof area and tank size, the reliability of RWH systems for toilet and laundry use is high, in the range of 80–100%. However, the reliability for irrigation use is highly variable across all the locations. For combined use, Adelaide shows the smallest reliability (38–49%), while Hobart demonstrates the highest reliability (61–77%). Furthermore, economic analysis demonstrates that in a few cases, benefit–cost ratio values greater than one can be achieved for the RWH systems. The findings of this study will help the Australian Federal Government to enhance RWH policy, programs and subsidy levels considering climate-sensitive inputs in the respective cities.
BASE
In: Journal of biosocial science: JBS, Band 42, Heft 5, S. 577-586
ISSN: 1469-7599
SummaryThis paper investigates the distribution of distance associated with marriage migration in the northern region of Rajshahi and the southern region of Khulna in Bangladesh. The study was conducted in 2007 on 2250 respondents who had migrated due to marriage. Of the wide variety of curves that fitted the distance–marriage/contact data, three are discussed: Pareto, exponential, and Pareto-exponential. Logistic regression models were used to identify the covariates of marriage distance migration. In general, the three functions work better for marriages, whereas Pareto-exponential functions are a superior fit for migrations and marriage distance. The models disclose that the distribution of distance is significantly associated with marriage migration (p<0.001). The Pareto-exponential model was 100% stable and its shrinkage was 0.000000125. The main covariates associated with short-distance marriage migration were respondent's education, father's education and religion, whereas age at the time of marriage did not play a significant role in marriage migration. The risk of short-distance migration was greater in higher- than lower-educated Muslim families.
In: Environmental science and pollution research: ESPR, Band 24, Heft 3, S. 2304-2315
ISSN: 1614-7499
In: Water--2073-4441 Vol. 8 Issue. 4 No. 149
Rainwater harvesting (RWH) plays an important role in increasing water security for individuals and governments. The demand for tools to enable technical and economic analysis of RWH systems has led to a substantial body of research in the recent past. This paper focuses on the economic aspects of domestic RWH in urban and peri-urban environments. In this regard, key issues are identified and discussed including quality and quantity of harvested water, the water demand profile, the scale of installation, interest rates, the period of analysis, real estate value, and the water-energy-food nexus. Kenya and Australia are used as reference points having different economies and opposing RWH policies. It has been found that the previous studies on financial aspects of RWH systems often had conflicting results. Most of the economic analyses have ignored the full benefits that a RWH system can offer. In view of the varying and conflicting results, there is a need to standardize the methods of economic analysis of RWH systems.
BASE
In: Journal of international development: the journal of the Development Studies Association, Band 12, Heft 5, S. 707-722
ISSN: 1099-1328
In: Journal of international development: the journal of the Development Studies Association, Band 12, Heft 5, S. 707-722
ISSN: 0954-1748
In: Journal of urban and environmental engineering: JUEE, Band 3, Heft 2, S. 43-51
ISSN: 1982-3932