Results 21 to 30 of about 4,944 (178)

Assessing the ducting phenomenon and its potential impact on Global Navigation Satellite System (GNSS) radio occultation refractivity retrievals over the northeast Pacific Ocean using radiosondes and global reanalysis [PDF]

Atmospheric Measurement Techniques
In this study, high-resolution radiosondes from the Marine Atmospheric Radiation Measurement (ARM) Global Energy and Water Experiment (GEWEX) Cloud System Study (GCSS) Pacific Cross-section Intercomparison (GPCI) Investigation of Clouds (MAGIC) field ...
T. E. Winning Jr., F. Xie, K. J. Nelson, K. J. Nelson   +3 more
doaj   +1 more source

POF+MADER: Trajectory Planner in Dynamic Environments With Improved Collision Avoidance

IEEE Access
Trajectory planning in dynamic environments is crucial for safe and efficient navigation of UAVs, particularly in scenarios involving unknown dynamic obstacles.
Syed Izzat Ullah, Jose Baca, Pablo Rangel, Tianxing Chu, Carlos Rubio-Medrano   +4 more
doaj   +1 more source

Designing UAV Swarm Experiments: A Simulator Selection and Experiment Design Process

Sensors, 2023
The rapid advancement and increasing number of applications of Unmanned Aerial Vehicle (UAV) swarm systems have garnered significant attention in recent years.
Abhishek Phadke, F. Antonio Medrano, Chandra N. Sekharan, Tianxing Chu   +3 more
doaj   +1 more source

A Deep Learning Based Method to Delineate the Wet/Dry Shoreline and Compute Its Elevation Using High-Resolution UAS Imagery

Remote Sensing, 2022
Automatically detecting the wet/dry shoreline from remote sensing imagery has many benefits for beach management in coastal areas by enabling managers to take measures to protect wildlife during high water events.
Marina Vicens-Miquel, F. Antonio Medrano, Philippe E. Tissot, Hamid Kamangir, Michael J. Starek, Katie Colburn   +5 more
doaj   +1 more source

Regional indices of biotic integrity outperform salinity-based and coastwide indices for tidal streams

Ecological Indicators
Human activities have degraded tidal streams by changing the surrounding land, altering freshwater inflows, and reducing water quality. This degradation has affected the faunal communities inhabiting tidal streams.
Stacy N. Trackenberg, Terence A. Palmer, Natasha J. Breaux, Alexis J. Neffinger, Jennifer Beseres Pollack   +4 more
doaj   +1 more source

Organic matter composition and inorganic nitrogen response to Hurricane Harvey’s negative storm surge in Corpus Christi Bay, Texas

Frontiers in Marine Science, 2022
Extreme weather events, such as tropical storms and hurricanes, are known to deliver large amounts of freshwater (surface runoff) and associated inorganic and organic nutrients to estuaries and the coastal ocean, affecting water quality and nutrient ...
Audrey R. Douglas, Audrey R. Douglas, Dorina Murgulet, Megan Greige, Kousik Das, J. David Felix, Hussain A. Abdulla   +6 more
doaj   +1 more source

Management and incipient domestication of Chamaedorea tepejilote in agroforestry systems in Mexico

PLANTS, PEOPLE, PLANET, EarlyView.
Native wild plants are key elements in addressing global biodiversity loss and supporting sustainable food systems. We investigated how rural communities in Mexico manage Chamaedorea tepejilote, a wild palm with edible male inflorescences, by combining ethnobotanical, genetic, morphological and ecological approaches.
Viviana Andrade, Alejandro Casas, Edna Arévalo‐Marín, Gonzalo D. Álvarez‐Ríos, Hernán Alvarado‐Sizzo, Vanessa Guerrero‐Hernández, Paola Ubiergo‐Corvalán, Maite Lascurain‐Rangel   +7 more
wiley   +1 more source

Partial Scene Reconstruction for Close Range Photogrammetry Using Deep Learning Pipeline for Region Masking

Remote Sensing, 2022
3D reconstruction is a beneficial technique to generate 3D geometry of scenes or objects for various applications such as computer graphics, industrial construction, and civil engineering.
Mahmoud Eldefrawy, Scott A. King, Michael Starek   +2 more
doaj   +1 more source

The singing phenology of Bachman's sparrow: implications for monitoring programs

Wildlife Society Bulletin, EarlyView.
We used automated recording units, weather data, and multiple logistic regression with generalized estimating equations to determine the annual singing period and influences on singing behavior of Bachman's sparrow in Texas, USA, surveying daily for 2 years.
Liam G. Wolff, Daniel Saenz, Clifford E. Shackelford, I‐Kuai Hung, Brian Oswald, Christopher M. Schalk   +5 more
wiley   +1 more source

Recalcitrant Fungal Prosthetic Joint Infection of the Knee Cleared Using Voriconazole via Intra‐Articular Catheters

Clinical Case Reports
Prosthetic joint infection (PJI) is a high‐cost and high‐morbidity complication of total joint arthroplasty accounting for about 1%–2% of all joint replacements.
Matthew Hnatow, Blake C. Martin, Emma Herrera   +2 more
doaj   +1 more source