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Showing items 71803 through 71811 of 73379.The overall resource requirements for the production of germanium wafers for III–V multi-junction solar cells applied in concentrator photovoltaics have been assessed based on up to date process information.
This study aimed to determine monthly and seasonal ground water level variations of agricultural soils of the right-land irrigated area in Bafra Plain using Geographical Information systems (GIS). To achieve this purpose, ground water levels were monitored at 62 different points.
Irrigation efficiency is a critical factor in irrigation water management. Irrigation efficiency is used in economic analysis when selecting an irrigation system design, and in irrigation management. It is also used in water rights adjudication and administration.
Recently, studies on land consolidation and valuation in farm lands have became more important due to a new soil conservation law (2005, 5403 numbered) and European Union Integration processes in our country.
Central Asia is one of the most vulnerable regions on the planet earth to global climate change, depending on very fragile natural resources.
Researchers have estimated the total economic value of global ecosystem goods and services showing that a significant portion of humanity's economic well being is unaccounted for in conventional GNP accounting (Constanza et al., 1997).
A long-term, consistent Fraction of Absorbed Photosynthetically Active Radiation (FPAR) product is necessary to study the spatial and temporal patterns of vegetation dynamics associated with climatic changes and human activities. In this study, Eurasia was selected as the study area.
The compilation of global Landsat data-sets and the ever-lowering costs of computing now make it feasible to monitor the Earth's land cover at Landsat resolutions of 30 m. In this article, we describe the methods to create global products of forest cover and cover change at Landsat resolutions.
This study develops a method to evaluate the influence of local geography on respondents values for land conservation programs. The study employs a choice experiment to evaluate alternative conservation plans.
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