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In the centre of the airspace, an aircraft suddenly declared an emergency descent. This unexpected operation may generally be caused by either technical or security problems in the air traffic, since it can cause crossing and conflicting with other air traffic. A controller has to inform all pil...
The nightmare deepened as the propeller stopped turning. I was ordered out of the aircraft, and they proceeded to dissect me and the aircraft. Suffice to say, that although they were courteous and professional, the search of both was both extensive and intensive. When I insisted that my Garmi...
So $100 balloon? Sign me up. Is the Cappadocia hot air ballooning safe?Yes, it’s safe. Around 150 balloons take off each day. There have been a handful of incidents over the past decade, but since then Turkey has cleaned up its act and installed an air traffic control tower and ...
Housing prices may be reduced if the short-term rentals through Airbnb bring in more tourists and result in adverse environmental problems, such as traffic and noise in quiet residential neighborhoods (Sheppard and Udell, 2018). While room sharing platforms have garnered increasing attention world...
First, mobile monitoring is cost-effective; the route can be customized to focus on particular areas of concern, such as high traffic roads or neighborhood fixed sources. Second, concentrations are typically measured at short intervals using continuous instruments which, with good quality-control effor...
In September, just as the Eastern Ghouta’s de-escalation zone was finalized, the situation abruptly worsened. After ordering a halt to the already heavily restricted commercial traffic through the Wafideen crossing [see map below: morehereandhere], the Syrian government refused to permit any more...
However, as shown in Figure 3b, from 2012 onwards the NOx emissions gradually declined in response to air quality regulations related to traffic and NOx filtering at power plants [22,83]. Despite the strong growth of coal consumption, the economy and the number of cars in China, in 2018 ...
For the forecast of SO2 daily concentration, they used the meteorological parameter, time parameter, urban green space information and urban traffic data as input parameters. MLR technique had RMSE and R2 values are 6.025 and 0.708 respectively, whereas MLP model had RMSE and R2 values are 0.42 ...