The seats are movable and allow to have the most comfortable sitting position.Īn anchor roller in the front of the boat allows fixing an anchor rope.įour separate chambers (one for the keel) are ensuring that the boat will remain on float even after one chamber has been damaged. This boat has an overpressure valve, in order to prevent damage from excessive pressure, caused by external temperature changes. This type of transom mounting is the most long-lasting, and won't fail over time. The transom is made of marine-grade plywood and is mounted using extremely durable, moulded transom holders. In the future, the Kolibri system can be applied to various open area sampling challenge such as fires, lagoons, flares, and landfills.The keel and the tubes are reinforced with a protective rubber layer, in order to protect them from abrasion when pulling the boat out of the water. The emission factors of VOCs derived using the Kolibri are comparable with existing literature values. Our results showed that the time series of CO and CO2 concentration and the PM2.5 measured by the Kolibri agreed well with those from the CEMs and the Flyer. The Kolibri was compared against continuous emission monitors (CEMs) and another sampling instrument (the “Flyer”) that had been used in over ten open area pollutant sampling events. Selection of the sensors was based on laboratory testing for accuracy, response delay, cross-sensitivity, and precision. The Kolibri is controlled by an Arduino-based motherboard which can record and transfer data in real time through an Xbee radio module. The sensor system, termed “Kolibri”, consists of multiple low-cost air quality sensors measuring CO2, CO, samplers for particulate matter with diameter of 2.5 µm or less (PM2.5), and volatile organic compounds (VOCs). A new sensor system for mobile and aerial emission sampling was developed for open area pollutant sources, such as prescribed forest burns.
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