نتایج جستجو برای: economic resources
تعداد نتایج: 556116 فیلتر نتایج به سال:
Asian summer monsoon (ASM) precipitation is the primary water resource for agriculture in many Asian countries that have experienced rapid economic growth in recent decades, thus implying the necessity for further investigations on both the internal variability of the ASM and the influence of external factors on the ASM. Using long-term high-resolution (0.5° × 0.5°) observed precipitation data,...
Sustainability of communities, agriculture, and industry is strongly dependent on an effective storage and supply of water resources. In some regions the economic growth has led to a level of water demand that can only be accomplished through efficient reservoir networks. Such infrastructures are not always planned at larger scale but rather made by farmers according to their local needs of irr...
U.S. schools are failing the nation and the nation’s economy. It may be that a greater level of expenditure can be justified and urged upon the nation based on an analysis of schooling effects on economic growth. Alternatively, the nation should aim to provide the highest quality of schooling at the level of expenditure preferred by the taxpayer. The application of a choice model for social exp...
Effective utilization of scarce water resources has presented a significant challenge to respond to the needs created by rapid economic growth in China. In this study, the efficiency of the joint operation of the Three Gorges and Gezhouba cascade hydropower plants in terms of power generation was evaluated on the basis of a precise simulation-optimization technique. The joint operation conditio...
Water footprints and virtual water flows have been promoted as important indicators to characterize human-induced water consumption. However, environmental impacts associated with water consumption are largely neglected in these analyses. Incorporating water scarcity into water consumption allows better understanding of what is causing water scarcity and which regions are suffering from it. In ...
The impacts of economic forest on global environmental change (GEC) are one of the hot issues in environmental study. Based on the 3-year observation data and 40-year climate data, GEC and analysis of the hydrological dynamic characteristics of rubber plantations and estimate of the water balance in the rubber plantations in Hainan Island were made. The results showed that the rainfall intercep...
The culture of economic growth and rapid innovation has led the chemical industry to contaminate tens of thousands of locales with hazardous chemicals that are poorly understood. As a result, the chemical industry finds itself at war with citizens who are troubled by the widespread dissemination of industrial poisons and alarmed by the power and unaccountability of the corporations themselves. ...
Global freshwater resources are under increasing pressure from economic development, population growth, and climate change. The international trade of water-intensive products (e.g., agricultural commodities) or virtual water trade has been suggested as a way to save water globally. We focus on the virtual water trade network associated with international food trade built with annual trade data...
Journal of Management and Social Sciences Vol. 3, No. 1, (Spring 2007) 47-55 The material presented by the author does not necessarily portray the viewpoint of the editors and the management of the Institute of Business & Technology (BIZTEK) or University of Karachi. JMSS is published by the Institute of Business and Technology (BIZTEK). Main Ibrahim Hydri Road, Korangi Creek, Karachi-75190, Pa...
Efforts to assess climate change have generally been unsuccessful in describing the economic damages (or benefits) associated with climate change or the functional relationship of damage (or benefits) to climate. Existing integrated economic studies have developed an aggregate damage estimate for the United States associated with equilibrium doubled trace gas climate that is unlikely to occur f...
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