Results 31 to 40 of about 1,451 (205)

Thermokarst Development Detected from High-Definition Topographic Data in Central Yakutia

open access: yesRemote Sensing, 2018
Eastern Siberia is characterized by widespread permafrost thawing and subsequent thermokarst development. Estimation of the impacts of the predicted rise in precipitation and air temperatures under climate change requires quantitative knowledge about the
Hitoshi Saito   +4 more
doaj   +1 more source

The Airfield Resource Scheduling Problem-Part Ⅱ:Development Status and Trends

open access: yesHangkong gongcheng jinzhan, 2019
Maximizing the utilization and benefit of airport resource has become a common goal of air transport stakeholders, including air navigation service providers, airports, airlines, passengers and governments.This work focuses on the development status and ...
Yin Jianan, Ma Yuanyuan, Hu Minghua
doaj   +1 more source

Breeding ecology, helpers presence, habitat use and trophic activity of the Greater Short-toed Lark Calandrella brachydactyla: five years of study in Central Adriatic Italy

open access: yesRivista Italiana di Ornitologia - Research in Ornithology, 2023
The Greater Short-toed Lark Calandrella brachydactyla is a migrant bird, considered of conservation concern, but poorly studied in Italy about his breeding ecology and habitat use. In this work, we aimed to study both of these components in the airfield
Marco Pantalone, Simone Ottorino Bai
doaj   +1 more source

The Airfield Resource Scheduling Problem-Part Ⅲ:Research Hot-spots and Challenges

open access: yesHangkong gongcheng jinzhan, 2019
The sustained and rapid growth of global air transport demand has caused many hub airports to face a series of challenging problems, such as high-frequency flight conflicts, large-scale airspace congestion, and wide flight delays.
Yin Jianan, Ma Yuanyuan, Hu Minghua
doaj   +1 more source

Le patrimoine aéronautique autour de Toussus-le-Noble

open access: yesIn Situ, 2018
The “Plateau de Saclay”, near Versailles was the birthplace of aviation: four airfields were created between 1907 and 1912, and four others later. Taking up the essence of our work, Huit aérodromes sur un plateau (Eight airfields on a plateau), this ...
Georges Beisson, Colette Guétienne
doaj   +1 more source

Identification of Flight Area Identification Plate Based on an Improved MSER Algorithm

open access: yesInternational Journal of Aerospace Engineering, 2022
In this study, an algorithm based on improved maximum stable extremum region (MSER) was used to match and recognize the content of signage in the airfield, so as to overcome unrecognizable signage caused by low visibility or an overlapping field of view ...
Hao Liu   +4 more
doaj   +1 more source

Thermokarst Landscape Development Detected by Multiple-Geospatial Data in Churapcha, Eastern Siberia

open access: yesFrontiers in Earth Science, 2021
Thermokarst is a typical process that indicates widespread permafrost degradation in yedoma landscapes. The Lena-Aldan interfluvial area in Central Yakutia in eastern Siberia is now facing extensive landscape changes with surface subsidence due to ...
Yoshihiro Iijima   +11 more
doaj   +1 more source

Radioluminescent (RL) airfield lighting system program [PDF]

open access: yes, 1990
In 1980, the US Air Force Engineering and Services Center (AFESC) at Tyndall Air Force Base, Florida, requested that the Radioisotope Technology Group of Oak Ridge National Laboratory (ORNL) develop large-scale, tritium-powered, radioluminescent (RL ...
Tompkins, J. A.   +2 more
core   +1 more source

STV2YOLO: An Improved Method for Unmanned Aerial Vehicle Time-Sensitive Target Detection in YOLOv5 Based on SwinTransformerV2

open access: yesIEEE Access
Addressing the challenges of large-scale, diverse, and densely distributed targets, as well as the limited resources of edge computing devices in unmanned aerial vehicle (UAV) aerial imagery, this paper proposes an enhanced STV2YOLO target detection ...
Bin Wang   +6 more
doaj   +1 more source

RAF Desborough Airfield, Northampton. Geophysical Survey. (OASIS id: abherita1-216618)

open access: yes, 2017
AB Heritage Ltd was commissioned to undertake a Geophysical (magnetometer) survey at the former RAF Desborough Airfield, Kettering, Northamptonshire (centred on NGR: SP 81716 86097), in support of a planning application for a proposed solar park site ...
AB Heritage
core   +1 more source

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