Results 171 to 180 of about 79,260 (388)
Boreas, EarlyView.Glacier evolution and environmental changes in the northern Jan‐Mayen from the early deglaciation and well into the Holocene are discussed. Results are based on a large chronological dataset (TCN and radiocarbon dates), integrated with field data on glacial landforms and sediments, including the use of GPR.
Astrid Lyså +5 more
wiley +1 more source
Convolutional Neural Network Segmentation for Satellite Imagery Data to Identify Landforms Using U-Net Architecture [PDF]
arXivThis study demonstrates a novel use of the U-Net architecture in the field of semantic segmentation to detect landforms using preprocessed satellite imagery. The study applies the U-Net model for effective feature extraction by using Convolutional Neural Network (CNN) segmentation techniques.
arxiv
The Wa\u27akas Site (41CP490) at Lake Bob Sandlin, Camp County, Texas [PDF]
, 2012 The Wa\u27akas site (meaning Cow in the Caddo language) is located on a small toe slope (330ft. amsl) overlooking a small and unnamed tributary to Big Cypress Creek. The channel of Big Cypress Creek lies about 1 km to the north. The toe slope landform is
Nelson, Bo, Perttula, Timothy K.
core +1 more source
Glacier-Bed Landforms of the Prairie Region of North America [PDF]
, 1979 Stephen R. Moran +4 more
openalex +1 more source
Boreas, EarlyView.Reconstructions of the maximum extent of the Laurentide Ice Sheet (LIS) and its associated ice flows at the Last Glacial Maximum (LGM) are needed for understanding how marine‐based ice sheets will respond to modern climate change. Here, we provide evidence for the location of the maximal extent of the LIS margin during the LGM in Merchants and ...
Alexis P. Belko +4 more
wiley +1 more source
A preliminary training guide for utilizing high-altitude, color-infrared photography in compiling soil maps [PDF]
Instruction for acquiring and analytically processing small-scale color-infrared photography to perform a soil resources inventory over forests of the southern U.S. is provided. Planning the project; acquiring aerial photography, materials, equipment and
Almond, R. H. +3 more
core +1 more source
Automated delineation and morphometry of unclassified subglacial bedforms
Boreas, EarlyView.We present an automated tool for mapping and analysing subglacial bedforms using volumetric obscurance, without classification. Tested on ArcticDEM data, the method produces bedform outlines with 75% correspondence compared to manually digitized maps.
Sofyane Hesni +5 more
wiley +1 more source
Distinguishing between the concepts of steady state and dynamic equilibrium in geomorphology [PDF]
, 1968 The development of the concept of equilibrium in geomorphology over the past 15 years has been marked by linguistic difficulties due, in part, to the interchangeable use of the terms, dynamic equilibrium and steady state.
Abrahams, Athol D.
core +1 more source
Estimation of Soil Erosion in Sefidrood Watershed by Emphasis on the Role of Landforms [PDF]
تحقیقات کاربردی علوم جغرافیایی, 2017 Among the various processes that destroy lands, soil erosion is a complex and hazardous environmental process that constitutes a serious threat to preservation of soil and water resources in Iran and has inflicted its negative effects on the vital ...
Alireza Jafarzadeh Estalkhkouhi +1 more
doaj
Integrating ecological feedbacks across scales and levels of organization
Ecography, EarlyView.In ecosystems, species interact in various ways with other species, and with their local environment. In addition, ecosystems are coupled in space by diverse types of flows. From these links connecting different ecological entities can emerge circular pathways of indirect effects: feedback loops.
Benoît Pichon +4 more
wiley +1 more source