Comprehensive review on electric propulsion system of unmanned aerial vehicles

D Joshi, D Deb, SM Muyeen - Frontiers in Energy Research, 2022 - frontiersin.org
In recent years, electric unmanned areal vehicles (UAVs) are gaining popularity due to their
capabilities in civil and military applications. The rationale is that UAVs can do more …

Flow and bed conditions jointly control debris‐flow erosion and bulking

T De Haas, BW McArdell, W Nijland… - Geophysical …, 2022 - Wiley Online Library
Debris flows can grow greatly in size and hazardous potential by eroding bed and bank
materials. However, erosion mechanisms are poorly understood because debris flows are …

[HTML][HTML] Improving UAV-SfM time-series accuracy by co-alignment and contributions of ground control or RTK positioning

EW Nota, W Nijland, T De Haas - … Journal of Applied Earth Observation and …, 2022 - Elsevier
Abstract Unmanned Aerial Vehicle Structure from Motion (UAV-SfM) photogrammetry is
increasingly applied to topographic change detection, which requires multitemporal Digital …

Go or grow? Feedbacks between moving slopes and shifting plants in high mountain environments

J Eichel, M Stoffel, S Wipf - Progress in Physical Geography …, 2023 - journals.sagepub.com
High mountains are climate change hotspots. Quickly rising temperatures trigger vegetation
shifts such as upslope migration, possibly threatening mountain biodiversity. At the same …

Evaluation of the influence of processing parameters in structure-from-motion software on the quality of digital elevation models and orthomosaics in the context of …

S Śledź, MW Ewertowski - Remote Sensing, 2022 - mdpi.com
The fully automated Structure-from-Motion approach for develo** digital elevation models
and orthomosaics has been known and used in photogrammetry for at least 15 years. Years …

Towards precise drone-based measurement of elevation change in permafrost terrain experiencing thaw and thermokarst

RH Fraser, SG Leblanc, C Prevost… - Drone Systems and …, 2022 - cdnsciencepub.com
Measuring ground elevation changes plays a crucial role in several environmental
applications. For instance, permafrost soils undergo seasonal active layer freezing and …

Conventional and UAV-based aerial surveys for long-term monitoring (1954–2020) of a highly active rock glacier in Austria

V Kaufmann, A Kellerer-Pirklbauer… - Frontiers in Remote …, 2021 - frontiersin.org
Rock glaciers are creep phenomena of mountain permafrost. Speed-up has been observed
on several rock glaciers in recent years and attributed to climate change. Although rare …

[HTML][HTML] Common-feature-track-matching approach for multi-epoch UAV photogrammetry co-registration

X Li, M Ding, Z Li, P Cui - ISPRS Journal of Photogrammetry and Remote …, 2024 - Elsevier
Automatic co-registration of multi-epoch Unmanned Aerial Vehicle (UAV) image sets
remains challenging due to the radiometric differences in complex dynamic scenes …

Quantifying geomorphic change in Andean river valleys using UAV-PPK-SfM techniques: An example from the western Peruvian Andes

MA Rosas, F Clapuyt, W Viveen, V Vanacker - Geomorphology, 2023 - Elsevier
The western Peruvian region is prone to erosion and geomorphic change. Extreme
precipitation events lead to rapid change in river channel and floodplain morphology due to …

Assessing DEM quality and minimizing registration error in repeated geomorphic surveys with multi‐temporal ground truths of invariant features: Application to a long …

S Bertin, M Jaud, C Delacourt - Earth Surface Processes and …, 2022 - Wiley Online Library
Remotely sensed digital elevation models (DEMs) and uncertainty‐based geomorphic
change detection have become very practical tools for geoscientists, including for coastal …