Results 31 to 40 of about 1,046 (120)

JOGO DO TRUNFO - SATÉLITES & SENSORES: UMA NOVA CARTADA NO ENSINO DE SENSORIAMENTO REMOTO

open access: yesRevista Brasileira de Cartografia, 2014
Este trabalho apresenta um recurso didático para o ensino de sensoriamento remoto, caracterizado por um material didático do tipo jogo de cartas, denominado "Jogo do Trunfo: Satélites e Sensores". O objetivo deste trabalho é divulgar as características e
Clódis de Oliveira Andrades Filho   +1 more
doaj  

A multiscale seasonal examination of the risk of harm to seabirds from vessels based on co‐occurrence in Alaskan waters

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Alaska's seascape supports globally significant seabird populations, including vulnerable and threatened species, and hosts economically important commercial fisheries and marine transportation corridors. Seasonal patterns of seabird movements and vessel traffic create a complex landscape of risk, defined as high levels of co‐occurrence ...
Kelly Kapsar   +2 more
wiley   +1 more source

Uso de Diferentes Sensores de Satélite na Discriminação de Alvos Naturais [PDF]

open access: yesAnuário do Instituto de Geociências, 2016
As particularidades nos instrumentos de sensoriamento remoto, mesmo quando possuem características semelhantes, torna as imagens geradas por estes, diferentes entre si.
Gustavo Ferreira de Souza   +7 more
doaj   +1 more source

Risks of Time and Chronology as an Underpinning Infrastructure for Critical Systems: Emerging Chronorisks and Chronosecurity Needs

open access: yesJournal of Critical Infrastructure Policy, Volume 7, Issue 1, Spring/Summer 2026.
ABSTRACT Time and chronology form the invisible architecture upon which modern civilization depends, governing synchronization across markets, power grids, communication networks, transportation, and defense. Yet, this shared temporal framework, engineered through atomic clocks, satellites, and digital synchronization, faces growing vulnerabilities ...
Bilal M. Ayyub
wiley   +1 more source

Temperatura de superficie en el Valle del Río Neuquén Utilizando Imágenes LANDSAT

open access: yesBoletín Geográfico, 2011
Estudios de la temperatura del aire y del suelo, suelen ser escasos debido a la necesidad de contar con redes de información micro o meso meteorológicas que incorporen una importante densidad espacial de observaciones siguiendo el gradiente altitudinal ...
Marisa Gloria Cogliati
doaj  

Effect of Land Cover Type on 3D Deformation Recovery From Synthetically Deformed High Resolution Satellite Optical Imagery

open access: yesEarth and Space Science, Volume 13, Issue 1, January 2026.
Abstract The limits of detection for earthquake surface deformation in the spatial domain have improved with advances in remote sensing imagery data availability, resolution, and analysis. Sub‐pixel correlation and digital elevation model (DEM) differencing from sub‐meter, earthquake‐spanning satellite optical imagery has enhanced surface rupture ...
C. Hanagan, S. B. DeLong, N. G. Reitman
wiley   +1 more source

Satélites de comunicación

open access: yesChasqui, 2015
Parte de que los satélites de comunicación son unos artilugios recién nacidos y en fase de desarrolllo. Describe la trayectoria histórica de éstos tres, el uso del satélite y el servicio de televisión, las redes, el HISPASAT enlace entre España y América
Francisco Sacristán Romero
doaj   +1 more source

Seismo‐Acoustic Detection and Localization of Iceberg Collapse in Atka Bay, Antarctica

open access: yesGeophysical Research Letters, Volume 52, Issue 23, 16 December 2025.
Abstract On 12 January 2022, an iceberg collapsed at the edge of frozen Atka Bay, Antarctica. The event generated seismic, hydroacoustic, and atmospheric infrasound waves recorded by a local network comprising land‐ and iceshelf‐based seismometers, an underwater hydrophone, and an on‐ice infrasound array.
G. Averbuch   +5 more
wiley   +1 more source

Análisis semiológico de los Discursos del FMI y Fidel Castro

open access: yesChasqui, 2015
CHASQUI presenta aquí una rara pieza de información. Sobre la base de dos entrevistas exclusivas, una con el FMI y la otra de Fidel Castro acerca de la deuda externa, que marcan posiciones irreconciliables ideológicas y pragmáticas, que a simple vista ...
Hernán Puentes
doaj  

AVALIAÇÃO DA TEMPERATURA DE BRILHO NOS CANAIS SENSÍVEIS À SUPERFÍCIE TERRESTRE NO SISTEMA G3DVAR DO CPTEC/INPE: SÉRIE NOAA

open access: yesRevista Brasileira de Meteorologia, 2015
As medidas do AMSU-A para os canais que são sensíveis à superfície terrestre sobre os continentes não tem sido amplamente utilizadas para ajustar a previsão numérica de tempo de curto prazo (PNTs), devido à complexidade das características da superfície ...
BRUNNA ROMERO PENNA   +3 more
doaj   +1 more source

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