Results 41 to 50 of about 19,206 (194)

Standardizing Visualization in Ancient Maya Lidar Research: Techniques, Challenges and Recommendations

open access: yesArchaeological Prospection, Volume 32, Issue 4, Page 967-988, October/December 2025.
ABSTRACT Airborne laser scanning (ALS, lidar) has become a key method for studying ancient Maya landscapes, offering unprecedented visibility of anthropogenic terrain modifications in densely forested environments. Despite this progress, the visualization of elevation data remains understandardized, with many researchers relying on ad hoc or ...
Žiga Kokalj
wiley   +1 more source

Materiais cerâmicos pré-romanos provenientes do sítio da Bela Fria (Tavira) [PDF]

open access: yes, 2012
O sítio da Bela Fria situa-se na face norte da colina de Santa Maria. Recentes trabalhos arqueológicos realizados no local permitiram a identificação de um arrabalde almóada, sendo ainda de destacar a identificação de vestígios de ocupação que remontam ...
Cavaco, Sandra, Covaneiro, Jaquelina
core  

Population trends of jaguars in a tropical forest in southern Mexico

open access: yesConservation Science and Practice, Volume 7, Issue 8, August 2025.
Jaguar density in the largest population in Mesoamerica was similar among sexes but affected by distance from the borders. Overall, jaguars segregate in space and time, highlighting the importance of maintaining a continuous, suitable habitat to allow intraspecific interactions and persistence in the long term.
Fernando M. Contreras‐Moreno   +7 more
wiley   +1 more source

Relationships and frontiers of interaction [PDF]

open access: yes, 2005
Se analizan las categorías espaciales usualmente utilizadas (área, subárea, región, microregión), considerando que las mismas son recursos metodológicos que sirven para ordenar, sistematizar y presentar información.
Nuñez Regueiro, Victor   +1 more
core  

José Jiménez Aranda, master of casaconismo: from Rome to Paris of the Universal Exhibition in 1889 [PDF]

open access: yes, 2018
En el presente trabajo se aborda la relación puntual del artista sevillano José Jiménez Aranda con la capital francesa, en la que presentó al salón de 1889 una obra de paradero desconocido, hoy localizada, que supone la ratificación de su vinculación ...
Pérez Calero, Gerardo
core   +1 more source

Polyphase Tectonic Evolution of the Puerto Rico‐Virgin Islands Microplate Revealed by Fault‐Slip Data and Stress Inversions

open access: yesGeochemistry, Geophysics, Geosystems, Volume 26, Issue 7, July 2025.
Abstract The northeastern Caribbean plate boundary (NCPB) includes the Puerto Rico‐Virgin Islands (PRVI) microplate that is bounded by oblique subduction zones in the Muertos and Puerto Rico Trenches, and by the Mona Rift, and the Anegada Passage rifts.
Jean‐Claude Hippolyte, Paul Mann
wiley   +1 more source

Condiciones ambientales del espacio comunal en la cual está inserta la Universidad de Santiago de Chile [PDF]

open access: yes, 2019
La Comuna de Estación Central es una pequeña comuna de Santiago Metropolitano (/ 5,5 km2) y que presenta en su territorio varios tipos de problemas ambientales.
Quintanilla Pérez, Víctor
core   +1 more source

Pottery manufacturing practices of the village communities of the beginnings of the first millennium (centuries III-VI DC) in the argentine northwest. Studies of ceramic pastes of Uchuquita (Anillaco, La Rioja) [PDF]

open access: yes, 2018
En este artículo se presentan los resultados obtenidos del estudio de cerámicas procedentes del conjunto arquitectónico Uchuquita, ubicado al norte de la Sierra de Velasco, Noroeste argentino (Anillaco, La Rioja, Argentina). Esta zona fue ocupada durante
Cahiza, Pablo Andres   +2 more
core   +1 more source

La Cerámica aguada en las tierras altas (Puna Meridional Argentina, Catamarca)

open access: yesEstudios Atacameños, 2020
This paper presents a technological and decorative study of a ceramic sample identified with the Aguada typology from the Casa Chávez Montículos site in Antofagasta de la Sierra, (Puna Meridional Argentina). The characteristics of this pottery, result of the proposed analysis, will be compared with similar attributes of the pieces coming from the ...
Martín Tomás Casanova   +2 more
openaire   +4 more sources

Correlation Between the Delay and Rise Time of VLF/LF Amplitudes During 20 Solar X‐Ray Flares Observed in February 2014 at Mid‐Latitude

open access: yesRadio Science, Volume 60, Issue 4, April 2025.
Abstract During daylight hours, the concentration of electrons in the ionosphere can be amplified by solar flares, which may subsequently influence the propagation of radio waves. Previous research on Very Low Frequency (VLF) signals focused on X‐class and M‐class flares.
Y. Liu, M. Füllekrug
wiley   +1 more source

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