Results 131 to 140 of about 59,653 (294)

Meander‐Bend Erosion Dynamics Along a Gravel‐Bed River: Insights From Short‐Term UAV Monitoring

River Research and Applications, EarlyView.
ABSTRACT Riverbank erosion is a natural process in meandering rivers that contributes to sediment supply and geomorphic diversity, yet it can threaten infrastructure and human activities within the floodplain. Recently, many studies have used high‐resolution remote sensing technologies to measure bank erosion, but they often focus on technical aspects ...
Katarina Pavlek, Mateo Gašparović, Tomáš Galia   +2 more
wiley   +1 more source

PANGAEA - Open Access library for georeferenced data

, 2006
PANGAEA - Publishing Network for Geoscientific and Environmental Data (http://www.pangaea.de) is a unique information system which is operated as an Open Access library for georeferenced data from basic research on earth and environment. Data are archived with related meta-information following ISO19115 standards in a relational database.
Grobe, Hannes, Diepenbroek, Michael, Dittert, Nicolas, Schindler, Uwe, Sieger, Rainer   +4 more
openaire   +1 more source

Improving forest age estimation to understand subtropical forest regrowth dynamics using deep learning image segmentation of time‐series historical aerial photographs

Remote Sensing in Ecology and Conservation, EarlyView.
Accurately estimating forest age is key to understanding how forests recover and evaluating restoration success. We developed a two‐step deep learning approach using historical greyscale aerial photographs to map forest age at fine spatial scales. By combining a pre‐trained model with localized fine‐tuning, our U‐Net + ResNet50 architecture achieved ...
Ying Ki Law, Yi‐Fei Gu, Shuwen Liu, Guangqin Song, Aland H. Y. Chan, Cham Man Tse, Zhonghua Liu, Martha J. Ledger, Billy C. H. Hau, Sawaid Abbas, Jin Wu   +10 more
wiley   +1 more source

A METHOD FOR LOCATION RECOMMENDATION VIA SKYLINE QUERY TOLERANT TO NOISED GEOREFERENCED DATA

Revista Brasileira de Cartografia, 2018
This paper presents a method to perform a location recommendation based on multiple criteria allowing noised coordinates. More specifi cally, the skyline query is adapted to handle those noises by modeling the errors of georeferenced points with an ...
Welder Batista de Oliveira, Sávio Salvarino Teles de Oliveira, Vagner José do Sacramento Rodrigues, Helton Saulo Bezerra dos Santos, Kleber Vieira Cardoso   +4 more
doaj  

OniscidBase: A call for contributions to a global database to advance terrestrial isopod research

Soil Organisms
Terrestrial isopods (Isopoda: Oniscidea), commonly known as woodlice, are among the most recognisable soil-dwelling invertebrates and are crucial for soil functioning.
Konstantin B. Gongalsky, Pallieter De Smedt, Daria M. Kuznetsova, Stijn Segers, Pietro Gardini, Elisabeth Hornung, Daniil I. Korobushkin, Raúl Orihuela-Rivero, Jairo Robla, Katalin Szlavecz, Paula B. de Araujo, Sandra Barantal, Matty P. Berg, Maria Elina Bichuette, Stephanie Binder, Pepijn Boeraeve, Victoria J. Burton, Philipp S. Byzov, Ivanklin Soares Campos Filho, Matthieu Chauvat, Mathieu Coulis, Pierre Ganault, Matteo Ganz, Mickael Hedde, Charlene Janion-Scheepers, Chao Jiang, Nathan T. Jones, Benedikt Kästle, Weichun Li, Michael T. Marx, Maria Minor, Giuseppe Montesanto, Michael Steinwandter, Artur Szpalek, Wouter B. van der Vegt, Andrey S. Zaitsev, Stefano Taiti   +36 more
doaj   +1 more source

Using time‐series remote sensing to identify and track individual bird nests at large scales

Remote Sensing in Ecology and Conservation, EarlyView.
Time‐series airborne imagery can potentially track individuals over time to collect information beyond one‐off counts. Using weekly UAS‐based imagery of wading bird colonies, we develop an automated approach to identifying nests. Our algorithmic approach detected 68–74% of known nests and exhibited similar performance to human review of imagery ...
S. K. Morgan Ernest, Lindsey A. Garner, Ben G. Weinstein, Peter Frederick, Henry Senyondo, Glenda M. Yenni, Ethan P. White   +6 more
wiley   +1 more source

Modelling forest dynamics using integral projection models and repeat lidar

Remote Sensing in Ecology and Conservation, EarlyView.
Forests are facing increasing pressure from climate change and disturbance, yet linking individual tree trajectories to whole‐forest outcomes remains a major challenge. Our study integrates repeat airborne lidar with an Integral Projection Model to analyse demographic processes at the landscape scale.
Alice Rosen, Robin Battison, Christina M. Hernández, Oliver G. Spacey, Jessica McLean, Suzanne M. Prober, Samuel J. L. Gascoigne, Sean McMahon, Tommaso Jucker, Roberto Salguero‐Gómez   +9 more
wiley   +1 more source

Semi‐automated seal detection on the Western Antarctic Peninsula: an unsupervised machine learning approach for detecting ice seals in aerial survey data

Remote Sensing in Ecology and Conservation, EarlyView.
This study presents a semi‐automated, rule‐based image analysis pipeline to detect ice seals in aerial surveys of the Western Antarctic Peninsula during an unusually low sea ice year. By using simple hierarchical clustering instead of deep learning, the method substantially reduced human annotation effort while achieving 82% recall, identifying 758 ...
Claire McGinnity, Connor C.G. Bamford, Nathan Fenney, Andrew Fleming, Jaume Forcada, Michael S. Tift, Luis A. Hückstädt, Daniel P. Costa, Peter T. Fretwell   +8 more
wiley   +1 more source

Historical remote sensing highlights long‐term persistence of Emperor Penguin (Aptenodytes forsteri) colonies

Remote Sensing in Ecology and Conservation, EarlyView.
Remote sensing can reveal population dynamics of Antarctic penguin colonies. In this study, we analyze emperor penguin (Aptenodytes forsteri) guano stains in remote sensing imagery and discover colony presence predating known records for 18 colonies across Antarctica.
Martynas Bielinis, Michelle LaRue, Benjamin M. Kraemer, Catalina Munteanu   +3 more
wiley   +1 more source

Retrospective image analysis for long‐term demography using Google Earth imagery

Remote Sensing in Ecology and Conservation, EarlyView.
We demonstrate that high‐resolution Google Earth imagery, combined with minimal field validation, enables retrospective tracking of individual invasive plants. The image shows one of the monitored individuals of Opuntia sp. in Greece. Our approach reveals long‐term demographic patterns, recruitment dynamics, and spatial expansion without continuous ...
Erola Fenollosa, Garrett Cohen, Roberto Salguero‐Gómez   +2 more
wiley   +1 more source