Results 161 to 170 of about 1,493,225 (279)
ABSTRACT The presumptive standards approach to environmental flows offers a method to develop interim guidelines for ecological and social‐cultural flow needs. The approach is based on deriving acceptable percent‐of‐flow limits based on naturalised flows (the absence of depletion or alteration of flow), and it can be an effective precursor to a full ...
Jennifer Lento +6 more
wiley +1 more source
Avalanches and snow, March 1950-February 1951 (Negative) [13]
Negative of a photo showing avalanche snow inside a snowshed or lodge, taken during the period of March 1950 to February ...
Major, Ted
core
Accounting for animal movement during aerial imaging surveys
Animals are not stationary during aerial surveys; if their movements are related to the movement of the aerial platform, then bias can be introduced into subsequent population count estimates. We sought to establish a framework for assessing the impacts of animal movement on count error and platform bias by comparing aggregated counts and relative ...
Rowan L. Converse +5 more
wiley +1 more source
Scenario-based occupational risk assessment for power grid maintenance workers. [PDF]
Wang W, Zhao X, Wang L, Qin T.
europepmc +1 more source
We demonstrate that high‐resolution multispectral imagery combined with machine learning can accurately predict key biocrust functional indicators, particularly the UV‐protective pigment scytonemin, across dryland ecosystems. Using fine‐scale imagery acquired in the Chihuahuan Desert and Colorado Plateau, we identified spectral bands strongly ...
Raúl Román +8 more
wiley +1 more source
Multi-sensor-based rock glacier detection over Sikkim Himalaya. [PDF]
Kumar A, Malviya A, Singh G.
europepmc +1 more source
This study demonstrates that not just Airborne Laser Scanning, but also Sentinel‐2 can effectively estimate absolute canopy cover and canopy cover heterogeneity ‐ structural metrics that determine the subcanopy light regime, found to be linked to the vascular plant species richness in the understory of temperate mountain forests.
Felix Wieland‐Glasmann +4 more
wiley +1 more source
Robust PV fault diagnosis under data constraints using a hybrid vision transformer with cross-attention fusion and uncertainty-aware explainability. [PDF]
Alqahtani MH +3 more
europepmc +1 more source
Citizen Science for Individual Identification of Pine Martens Martes martes From Camera Trap Footage
Camera traps generate large volumes of wildlife footage, but identifying animals to the individual level remains challenging and time‐consuming. Using European pine martens in the Forest of Dean as a case study, we assessed whether citizen scientists could identify individuals from camera trap photos and videos.
Sian E. Green +4 more
wiley +1 more source
Antarctic science operations must account for climate change and extreme environmental events. [PDF]
Siegert M +5 more
europepmc +1 more source

