Results 71 to 80 of about 10,218,549 (296)

Fish welfare in a changing world: New developments and current challenges

Journal of Fish Biology, EarlyView.
Abstract The welfare of non‐human animals is central to ethical discussions on animal use, with increasing attention to fish welfare across research, aquaria, aquaculture, and fisheries. This paper reviews current theoretical approaches to animal welfare and recent advances in defining and assessing fish welfare since the seminal paper by Huntingford ...
Sonia Rey Planellas, João L. Saraiva, Eliane Gonçalves‐de‐Freitas, Pablo Arechavala‐Lopez, Bernice Bovenkerk, Michael Breen, Steven J. Cooke, Martin Føre, Lene Northwood, Lars Helge Stien, Sunil Kadri, Chris Noble, Jonatan Nilsson, Fernando Rodriguez, Cosme Salas, Peter Sandøe, Hans van de Vis   +16 more
wiley   +1 more source

Quantitative study on the characteristics of dynamic vehicle interference to geomagnetic field

地震科学进展
In recent years, geomagnetic observation stations have been subjected to more and more serious interference by HVDC transmission, subway, vehicles, etc.
Qin Tian, Xiujuan Hu, Guoping Chang, Shaopeng He, Pengkun Guo   +4 more
doaj   +1 more source

PLASMA AND MAGNETIC FIELD CHARACTERISTICS OF SOLAR CORONAL MASS EJECTIONS IN RELATION TO GEOMAGNETIC STORM INTENSITY AND VARIABILITY [PDF]

, 2015
The largest geomagnetic storms of solar cycle 24 so far occurred on 2015 March 17 and June 22 with D st ?> minima of − 223 ?> and − 195 ?> nT, respectively. Both of the geomagnetic storms show a multi-step development.
Ying D. Liu, Huidong Hu, Rui Wang, Zhongwei Yang, B. Zhu, Yi A. Liu, J. Luhmann, J. Richardson   +7 more
semanticscholar   +1 more source

Systematic Approach for Carbonate and Volcanic Facies Classification Based on Textural and Structural Variations Observed in Brazilian Pre‐Salt Acoustic Image Logs

Journal of Petroleum Geology, EarlyView.
ABSTRACT Facies characterization in carbonate reservoirs remains challenging due to their pronounced textural and structural heterogeneity. Variations in grain packing, cementation, and diagenetic overprints produce contrasting acoustic responses in borehole image logs, often limiting the reproducibility of facies interpretation.
Lenita de Souza Fioriti, Rodrigo César Teixeira de Gouvêa, Cleyton de Carvalho Carneiro   +2 more
wiley   +1 more source

Confirming the impact origin of the São Miguel do Tapuio structure, northeastern Brazil

Meteoritics &Planetary Science, EarlyView.
Abstract The São Miguel do Tapuio structure (SMT) is a remarkable, nearcircular feature of about 21 km diameter, centered at 5°37.6′ S, 41°23.3′ W in Piauí state, northeastern Brazil. The structure is located within the sedimentary strata of the Paleozoic–Mesozoic Parnaíba Basin and predominantly comprises sandstones of the Devonian Pimenteiras and ...
Alvaro Penteado Crósta, Neivaldo Araújo de Castro, Marcos Alberto Rodrigues Vasconcelos, Airton Natanael Coelho Dias, Ludovic Ferrière, Wolf Uwe Reimold, Ana Maria Góes, Jackson Alves Martins, Liliana Sayuri Osako, Raimundo Mariano Gomes Castelo Branco   +9 more
wiley   +1 more source

Change of earth environment due to the decreasing geomagnetic field -The necessity of observation in Brazilian geomagnetic anomaly region-

Antarctic Record, 1996
According to recent research on rock magnetism, the geomagnetic field intensity of our planet has been monotonically decreasing for one thousand years and it will disappear after another 1000years if the present decreasing rate continues.
Kazuo Makita
doaj   +1 more source

Spatial frequencies associated with the latitudinal structures of ionospheric currents seen by CHAMP satellite

, 2015
The CHAMP magnetic field variations during international quiet days of low solar activity period 2008-2009 are investigated. The present paper reports the existence of frequency-peaks < 20 mHz in the compressional component of the magnetic field in ...
Sinha, A. K., Thomas, Neethal, Vichare, Geeta   +2 more
core   +1 more source

Stochastic forecasting of the geomagnetic field from the COV-OBS.x1 geomagnetic field model, and candidate models for IGRF-12

Earth, Planets and Space, 2015
We present the geomagnetic field model COV-OBS.x1, covering 1840 to 2020, from which have been derived candidate models for the IGRF-12. Towards the most recent epochs, it is primarily constrained by first differences of observatory annual means and ...
N. Gillet, O. Barrois, C. Finlay
semanticscholar   +1 more source

Evaluation of candidate geomagnetic field models for IGRF-12

Earth, Planets and Space, 2015
BackgroundThe 12th revision of the International Geomagnetic Reference Field (IGRF) was issued in December 2014 by the International Association of Geomagnetism and Aeronomy (IAGA) Division V Working Group V-MOD (http://www.ngdc.noaa.gov/IAGA/vmod/igrf ...
E. Thébault, C. Finlay, P. Alken, C. Beggan, Elisabeth Canet, A. Chulliat, B. Langlais, V. Lesur, F. Lowes, C. Manoj, M. Rother, R. Schachtschneider   +11 more
semanticscholar   +1 more source

Domino model for geomagnetic field reversals [PDF]

Physical Review E, 2013
accepted for Physical Review E, 18 December ...
Mori, N., Schmitt, D., Ferriz-Mas, A., Wicht, J., Mouri, H., Nakamichi, A., Morikawa, M.   +6 more
openaire   +3 more sources