The remote sensing capabilities of UAVs can support in disease detection, water quality monitoring, drought monitoring, oil and gas, yield estimates, hydrological modeling, biodiversity conservation, geological disaster survey, terrain survey, forest mapping, and crop monitoring. Low cost and lightweight characteristics of UAVs support quality observation with high temporal and spatial resolutions. UAV technology bridges the gap between airborne, spaceborne and ground-based remote sensing data. Remote SensingĬurrently, amateur drone technology has been used to get high resolution imagery data of remote areas, islands, mountaintops and coastlines. Early warning through UAVs can help to rescue human beings and wildlife at risk. Thus, UAVs can assist in real-time coverage of large areas without risking the safety and the security of the personnel involved. In case of wildfire, a swarm of drones containing fire extinguishers can monitor, examine and trace any area without endangering human lives. UAVs can assist in finding timely disaster estimation, providing disaster alerts and help in finding efficient countermeasures. Radars, sensors and high quality cameras incorporated in UAVs can assist rescue teams to identify damage and immediately start recovery operations and send resources such as first aid medical kits and manned helicopters. UAVs can help to collect information, necessitate rapid solutions and navigate debris. These disasters can severely damage telecommunication infrastructure, transportation, power and water utilities. In the case of a man-made or natural disaster such as terrorist attacks, tsunami and floods, UAVs can gain access to disaster truck locations that are hazardous for manned activity. There are different classifications of UAVs according to various parameters such as configuration, engine type, weight, range and size. UAVs vary widely in configuration, size, range, weight, engine type and performance characteristics in order to carry several payloads including communication gadgets, navigation equipment, sensors, and cameras. UAVs can be deployed easily and quickly, are scalable and flexible, have the self-organization ability, are cost-efficient, and possess high maneuverability. UAVs have emerged as promising solutions in this sector, with quick and innovative designs that ensure last-mile delivery while being environmentally friendly. Retailers, on the other hand, face a major challenge in offering ecofriendly, cost-effective, and efficient last-mile delivery. As a result, online retailers are looking for ways to improve delivery times. Because of the constantly growing popularity of online shopping, which may have a substantial impact on client purchases, users are increasingly demanding high speed delivery services. In particular, UAVs have gained significant attention from leading online retailers, including Walmart, DHL, Google, and Amazon.
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