Results 81 to 90 of about 108,024 (217)

INFRASOUND WAVE GENERATED BY THE TUNGUSKA CELESTIAL BODY: AMPLITUDE DEPENDENCE ON DISTANCE

open access: yesRadio Physics and Radio Astronomy, 2018
Purpose: The study is concerned with the features of variations in the amplitude of infrasound wave propagating through the terrestrial atmosphere at global-scale distances.
L. F. Chernogor, N. B. Shevelev
doaj   +1 more source

Demographic and Structural Variability Modulate Growth Dynamics in European Beech Primary Forests

open access: yesGlobal Change Biology, Volume 32, Issue 5, May 2026.
Climate change is increasing drought and heat stress on European beech (Fagus sylvatica L.), causing widespread tree vitality losses and growth declines across Europe. Using a large tree ring network from montane primary beech forests, we found that trees of various ages and sizes respond differently to climate warming, leading to contrasting within ...
Krešimir Begović   +13 more
wiley   +1 more source

DYNAMICS OF THE CHELYABINSK METEOROID FALL: ALTITUDE AND TIME DEPENDENCES

open access: yesRadio Physics and Radio Astronomy, 2018
Purpose: Taking the altitude and time dependences of the meteoroid fragment speed, acceleration, mass, and the midsection from the measured trajectory data.
L. F. Chernogor, Yu. B. Mylovanov
doaj   +1 more source

Garnet–Clinopyroxene Double‐Layered Coronae in a Metagabbronorite From the High‐Grade Metamorphic Gföhl Unit, Moldanubian Zone

open access: yesJournal of Metamorphic Geology, Volume 44, Issue 4, Page 311-336, May 2026.
ABSTRACT This study investigates garnet–clinopyroxene double‐layered coronae in a metagabbronorite from the high‐grade metamorphic Gföhl Unit (Bohemian Massif). The coronae formed at the interfaces between relic magmatic orthopyroxene, still preserved in the cores of the coronae, and the plagioclase‐rich rock matrix.
Rene Asenbaum   +5 more
wiley   +1 more source

DroughtScape- Summer 2014 [PDF]

open access: yes, 2014
CONTENTS Director’s report...........................1 Outlook ........................................ 2 Drought & climate summary ........ 2 Drought impacts .........................4 International drought monitoring and planning .......................
Smith, Kelly
core   +1 more source

Search for Radiative Decays of Cosmic Background Neutrino using Cosmic Infrared Background Energy Spectrum

open access: yes, 2011
We propose to search for the neutrino radiative decay by fitting a photon energy spectrum of the cosmic infrared background to a sum of the photon energy spectrum from the neutrino radiative decay and a continuum. By comparing the present cosmic infrared
Adamson P.   +24 more
core   +1 more source

SPECTRAL ANALYSIS OF REFERENCE SIGNAL AND OF HF SIGNAL REFLECTED FROM THE IONOSPHERE BEATS

open access: yesRadio Physics and Radio Astronomy, 2014
Topicality of this work is due to the necessity of studying the physical effects associated with the processes in the magnetosphere and the ionosphere. The HF Doppler radar of vertical sounding is used for observations.
V. F. Pushin, L. F. Chernogor
doaj   +1 more source

Evaluation of Croatian Word Embeddings

open access: yes, 2017
Croatian is poorly resourced and highly inflected language from Slavic language family. Nowadays, research is focusing mostly on English. We created a new word analogy corpus based on the original English Word2vec word analogy corpus and added some of ...
Beliga, Slobodan, Svoboda, Lukas
core  

DroughtScape- Summer 2010 [PDF]

open access: yes, 2010
Upcoming Workshops Mild Drought Season Likely to Persist Drought Impacts Intensify in Upper Midwest Visiting Scientists North Carolina Takes Drought Monitor Seriously International Work- Murcia, Spain ...
Smith, Kelly
core   +1 more source

Face tracking using a hyperbolic catadioptric omnidirectional system [PDF]

open access: yes, 2009
In the first part of this paper, we present a brief review on catadioptric omnidirectional systems. The special case of the hyperbolic omnidirectional system is analysed in depth.
Barczak, A.L.C.   +2 more
core  

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