نتایج جستجو برای: urban sub
تعداد نتایج: 375184 فیلتر نتایج به سال:
This paper presents a study to calculate Pathlossusing “RF link budget analysis model” with a primary focus on a sub urban macrocell environment to calculate the pathloss during the propagation and to calculate the received signal power at receiver end and accordingly a correction factor factor will be introduced for suburban area in cost-231 hatamodel. Correction factor which is considered as ...
Two visibility tests have been made on a fusion of panchromatic and multi-spectral SPOT5 images. The tests differ in the type of regions (sub-urban versus rural) and in the panchromatic image resolution (5m versus 3m). Two independent photo-interpretors had to extract the road network and the built-up area on part of a georeferenced image. The resulting shapes were compared with the actual data...
As part of the revised EU Bathing Water Directive, there is scope to discount bathing water quality samples which show poor water quality if poor water quality is predicted and the public forewarned. The Cloud to Coast (C2C) project is developing a model to allow prediction of faecal indicator organism (FIO) concentrations in bathing waters. One of the C2C sub-models is investigating FIO loads ...
BACKGROUND Rising rates of obesity and type 2 diabetes (T2D) are impending major threats to the health of African populations, but the extent to which they differ between rural and urban settings in Africa and upon migration to Europe is unknown. We assessed the burden of obesity and T2D among Ghanaians living in rural and urban Ghana and Ghanaian migrants living in different European countries...
We explored the process of urbanization in a mountainous area to seek a sustainable urbanization strategy. Previous urbanization research has mainly focused on flat terrain and coastal areas, and urbanization in mountainous areas remains poorly understood. This study integrated geographic information systems, remote sensing, and statistical analysis to quantify landscape patterns dynamics in re...
Urbanization is found to be closely associated with land use/land cover change which has an important influence in our environment and ecosystems, such as urban heat island effect, biodiversity loss, soil erosion, and pollutions. Studies on accurately simulating urban expansion have been inspired by increasing concerns of the sustainability of urban development. This paper reports our research ...
Abstract. A new method is presented for estimating urban hydroxyl radical (OH) concentrations using the downwind decay of ratio nitrogen dioxide over carbon monoxide column-mixing ratios (XNO2/XCO) retrieved from Tropospheric Monitoring Instrument (TROPOMI). The makes use plumes simulated by Weather Research and Forecast model (WRF-Chem) passive-tracer transport, instead encoded chemistry, in c...
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