Results 111 to 120 of about 13,437 (258)

GEOMAGNETIC MEASUREMENTS IN LATVIA

open access: yesGeodesy and Cartography, 2012
The knowledge of the Earth's magnetic field elements and their dynamic fluctuations over the area concerned are important and can be used for many practical purposes in various fields, including Geodesy and Cartography. Earth's magnetic field tends to vary over time.
openaire   +2 more sources

Geomagnetic field variations due to solar tides at the Indian Observatories

open access: yesEarth, Planets and Space
This study investigates the response of solar (S) tidal signatures on the horizontal component of the geomagnetic field at two observatories in India during 1980–2002 over solar cycles (SC) 21–23: Hyderabad (HYB), located in the low-latitude region, and ...
Divyanshu Dwivedi   +1 more
doaj   +1 more source

Conductive structures around Las Cañadas caldera, Tenerife (Canary Islands, Spain): a structural control

open access: yesGeologica Acta, 2010
External eastern areas of the Las Cañadas caldera (LCC) of Tenerife (Canary Islands, Spain) have been investigated using the audiomagnetotelluric (AMT) method with the aim to characterize the physical rock properties at shallow depth and the thickness of
N.P. COPPO   +3 more
doaj  

Impact of Coronal Mass Ejection-driven Enhanced Magnetic Pressure on the Martian Northern Hemispheric Ionosphere during 2024 May 17–18

open access: yesThe Astrophysical Journal
The Martian northern hemisphere (NH) is relatively devoid of ambient magnetic fields compared to the southern hemisphere (SH), which houses the strong crustal field regions.
V.S.P. Pranjali   +7 more
doaj   +1 more source

Observations of, and sources of the spatial and temporal variability of ozone in the middle atmosphere on climatological time scales (OZMAP) and equatorial dynamics: Seasonal variations of ozone trends [PDF]

open access: yes
The long term trends (least square linear regression with time) of ozone content at seven European, seven North American, three Japanese and two tropical stations during 21 years (1964 to 1984) are analyzed.
Entzian, G.   +2 more
core   +1 more source

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