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Displaying 346 - 350 of 1605Recent decadal growth of the Atchafalaya River Delta complex: Effects of variable riverine sediment input and vegetation succession
The Mississippi River Delta Plain has experienced substantial wetland loss from subsidence, erosion, and sea level rise, threatening coastal communities and the ecosystems that support them. The Atchafalaya River, the largest distributary of the Mississippi River, has one of the few prograding delta features along the ~200-km deltaic coastline. Understanding changes in the Atchafalaya River Delta complex (ARDC) development has critical implications for future prediction and management strategy for the Mississippi River Delta Plain.
Integration of temperature and dust effects in siting large PV power plant in hot arid area
Recently, solar PV technologies witnessed a commercial vigor due to their tremendously decreasing prices. However, these technologies are vulnerable to dust and temperature which can significantly degrade their efficiency. Taking into account, the effect of dust and temperature during the site assessment for large PV power plant will reduce their vulnerability and optimize their operation efficiency. Most of the site assessment for large PV power plants does not take into consideration spatio-temporal variability of dust and temperature effects due to their measurement complexity.
Sensitivity of spectral reflectance values to different burn and vegetation ratios: A multi-scale approach applied in a fire affected area
The aim of our study was to explore the spectral properties of fire-scorched (burned) and non fire-scorched (vegetation) areas, as well as areas with different burn/vegetation ratios, using a multisource multiresolution satellite data set. A case study was undertaken following a very destructive wildfire that occurred in Parnitha, Greece, July 2007, for which we acquired satellite images from LANDSAT, ASTER, and IKONOS. Additionally, we created spatially degraded satellite data over a range of coarser resolutions using resampling techniques.
hierarchical patch mosaic ecosystem model for urban landscapes: Model development and evaluation
Urbanization effects on ecosystem functions are both important and complex, characterized by scale multiplicity, spatial heterogeneity, and intensive human disturbances. Integrating the hierarchical structure of urban landscape pattern with ecosystem processes through simulation modeling can facilitate our understanding of human–environment interactions in urban environment.
case study of the Czech agriculture since 1918 in a socio-metabolic perspective – From land reform through nationalisation to privatisation
This article explores the development of the social metabolism of Czech agriculture over the past 80 years and aims to describe the complex agricultural system from a biophysical perspective. As a Central European country, the Czech Republic's political system has experienced a number of turning points and changes in its history. Using the social metabolism concept and the material and energy flow method of analysis this article looks at the system from a biophysical perspective and explores the interactions between the economic system and nature.