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How to improve the accuracy of height data from bird tracking devices? An assessment of high-frequency GPS tracking and barometric altimetry in field conditions by Tonio Schaub; Alexandre Millon; Caroline De Zutter; Ralph Buij; Joël Chadœuf; Simon Lee; Aymeric Mionnet; Raymond Hendrikus Gerardus Klaassen is a Environmental Science article available to read on EtoBox.
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## Abstract ## Background In the context of rapid development of wind energy infrastructure, information on the flight height of birds is vital to assess their collision risk with wind turbines. GPS tags potentially represent a powerful tool to collect flight height data, yet GPS positions are associated with substantial vertical error. Here, we assessed to what extent high-frequency GPS tracking with fix intervals of 2–3 s (GPS remaining turned on between fixes), or barometric altimetry using air pressure loggers integrated in GPS tags, improved the accuracy of height data compared to standard low-frequency GPS tracking (fix interval ≥ 5 min; GPS turned off between fixes). ## Results Using data from 10 GPS tag models from three manufacturers in a field setting (194 tags deployed on free-living raptors), we estimated vertical accuracy based on periods when the birds were stationary on the ground (true height above ground was approximately zero), and the difference between GPS and barometric height in flight. In GPS height data, vertical accuracy was mainly driven by noise (little bias), while in barometric data, it was mostly affected by bias (little noise). In high-frequency GPS d
Who reads How to improve the accuracy of height data from bird tracking devices? An assessment of high-frequency GPS tracking and barometric altimetry in field conditions?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Tonio Schaub; Alexandre Millon; Caroline De Zutter; Ralph Buij; Joël Chadœuf; Simon Lee; Aymeric Mionnet; Raymond Hendrikus Gerardus Klaassen
- Publisher
- Springer Science and Business Media LLC
- Published
- 2023
- Language
- EN
- Field
- Environmental Science (Physical Sciences)