Relative information from thermal infrared imagery via unoccupied aerial vehicle informs simulations and spatially-distributed assessments of stream temperature

Caldwell, Samuel; Kelleher, Christa; Baker, Emily A.; Lautz, Laura K.

doi:10.1016/j.scitotenv.2018.12.457

Cited by 23 publications

(15 citation statements)

References 58 publications

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“…They have also been used to count other benthic animals inhabiting those reefs [48], and to obtain new health metrics like volumetric change in oyster reefs [49], with oysters being an important food source for many rays [50]. Thermal imaging from drones has been used to map water temperature heterogeneity across aquatic ecosystems [51,52]. As ray movement may be influenced by water temperature [53], this is particularly relevant to ray research.…”

Section: Drones As a Mapping Toolmentioning

confidence: 99%

Going Batty: The Challenges and Opportunities of Using Drones to Monitor the Behaviour and Habitat Use of Rays

Oleksyn

Tosetto

Raoult

et al. 2021

Drones

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The way an animal behaves in its habitat provides insight into its ecological role. As such, collecting robust, accurate datasets in a time-efficient manner is an ever-present pressure for the field of behavioural ecology. Faced with the shortcomings and physical limitations of traditional ground-based data collection techniques, particularly in marine studies, drones offer a low-cost and efficient approach for collecting data in a range of coastal environments. Despite drones being widely used to monitor a range of marine animals, they currently remain underutilised in ray research. The innovative application of drones in environmental and ecological studies has presented novel opportunities in animal observation and habitat assessment, although this emerging field faces substantial challenges. As we consider the possibility to monitor rays using drones, we face challenges related to local aviation regulations, the weather and environment, as well as sensor and platform limitations. Promising solutions continue to be developed, however, growing the potential for drone-based monitoring of behaviour and habitat use of rays. While the barriers to enter this field may appear daunting for researchers with little experience with drones, the technology is becoming increasingly accessible, helping ray researchers obtain a wide range of highly useful data.

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Section: Drones As a Mapping Toolmentioning

confidence: 99%

Going Batty: The Challenges and Opportunities of Using Drones to Monitor the Behaviour and Habitat Use of Rays

Oleksyn

Tosetto

Raoult

et al. 2021

Drones

View full text Add to dashboard Cite

show abstract

“…In summary, the method proposed in this paper is easy to operate and suitable for researchers in different fields, and its data are relatively accurate and fast to collect [28][29][30]. Furthermore its cost is lower than the UAV equipped with infrared cameras [31][32][33]. The 3D thermal images generated can provide visualization of the building layout, surrounding environments and other construction elements, but also simply output surface temperatures at selected points.…”

Section: Introductionmentioning

confidence: 99%

Analysis of the Thermal Environment in Pedestrian Space Using 3D Thermal Imaging

Zhao

Luo²,

2020

Energies

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Pedestrian space is an important place for people’s outdoor activities. Its thermal environment affects pedestrian walking experience, route selection and physical health. This study presents a 3D thermography-based method to analyze and evaluate the spatial distribution of thermal comfort. The proposed 3D thermal image was generated using 3D city models captured by an unmanned aerial vehicle (UAV) and thermal images gathered by an infrared camera. It can visualize construction elements, but also simply output surface temperatures at selected points. This paper described the process of using 3D thermal images to analyze the built environment, and selected two pedestrian spaces as case study objects. Their thermal images and mean radiant temperatures (MRT) were obtained from field measurement data collected by a drone and infrared camera. The following findings were obtained: (a) the MRT difference in the pedestrian space between sunlit and shaded areas was more than 3 °C; (b) the MRT values at the measurement points near vegetation were lower; (c) when the ratio of street height to width (H/W) was larger, the MRT values at all measurement points varied slightly. These findings can be used for the designers to evaluate and improve the thermal environment in pedestrian space.

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“…Other applications of UAS include the monitoring and assessment of the effects of stormwater on the temperature of urban streams. Caldwell et al [120] characterized the temperature response of a large urban stream in Syracuse (NY) to stormwater inputs by combining UASs-based TIR imagery with in situ sensors and pairing the observations with a deterministic stream temperature model. The authors quantified and characterized the creek s temperature heterogeneities and the relative magnitude and extent of stormwater plumes.…”

Section: Water Contaminationmentioning

confidence: 99%

Applications of Unmanned Aerial Systems (UASs) in Hydrology: A Review

et al. 2021

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In less than two decades, UASs (unmanned aerial systems) have revolutionized the field of hydrology, bridging the gap between traditional satellite observations and ground-based measurements and allowing the limitations of manned aircraft to be overcome. With unparalleled spatial and temporal resolutions and product-tailoring possibilities, UAS are contributing to the acquisition of large volumes of data on water bodies, submerged parameters and their interactions in different hydrological contexts and in inaccessible or hazardous locations. This paper provides a comprehensive review of 122 works on the applications of UASs in surface water and groundwater research with a purpose-oriented approach. Concretely, the review addresses: (i) the current applications of UAS in surface and groundwater studies, (ii) the type of platforms and sensors mainly used in these tasks, (iii) types of products generated from UAS-borne data, (iv) the associated advantages and limitations, and (v) knowledge gaps and future prospects of UASs application in hydrology. The first aim of this review is to serve as a reference or introductory document for all researchers and water managers who are interested in embracing this novel technology. The second aim is to unify in a single document all the possibilities, potential approaches and results obtained by different authors through the implementation of UASs.

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Relative information from thermal infrared imagery via unoccupied aerial vehicle informs simulations and spatially-distributed assessments of stream temperature

Cited by 23 publications

References 58 publications

Going Batty: The Challenges and Opportunities of Using Drones to Monitor the Behaviour and Habitat Use of Rays

Going Batty: The Challenges and Opportunities of Using Drones to Monitor the Behaviour and Habitat Use of Rays

Analysis of the Thermal Environment in Pedestrian Space Using 3D Thermal Imaging

Applications of Unmanned Aerial Systems (UASs) in Hydrology: A Review

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