NO Radiative Cooling and Ionospheric Response to the HILDCAA Events Following Geomagnetic Storms

AK Ranjan, MV Sunil Krishna, A Kumar… - Journal of …, 2023 - Wiley Online Library
Abstract Nitric oxide infrared (5.3 µm) radiative cooling plays an important role in Earth's
upper atmospheric energy balance during space weather events. Its behavior during a …

Recent results and outstanding questions on the response of the electrodynamics of the low latitude ionosphere to solar wind and magnetospheric disturbances

BG Fejer, LA Navarro, D Chakrabarty - Frontiers in Astronomy and …, 2024 - frontiersin.org
Storm-time ionospheric electrodynamics effects have been the subject of extensive studies.
The solar wind/magnetosphere/ionosphere and thermosphere disturbance wind dynamos …

Distinctive response of thermospheric cooling to ICME and CIR-driven geomagnetic storms

T Bag, D Rout, Y Ogawa, V Singh - Frontiers in Astronomy and Space …, 2023 - frontiersin.org
The temporal response of thermospheric CO2 and NO cooling emissions is investigated
during ICME and CIR-driven geomagnetic storms by using data from the SABER instrument …

Solar Wind‐Magnetosphere Coupling During High‐Intensity Long‐Duration Continuous AE Activity (HILDCAA)

SE Milan, MK Mooney, G Bower… - Journal of …, 2023 - Wiley Online Library
Abstract High‐Intensity Long‐Duration Continuous AE Activity (HILDCAA) intervals are
driven by High Speed solar wind Streams (HSSs) during which the rapidly‐varying …

Dynamical Complexity Transitions During High‐Intensity Long Duration Continuous Auroral Activities (HILDCAA) Events: Feature Analysis Based on Neural Network …

IA Oludehinwa, A Velichko, BO Ogunsua… - Space …, 2023 - Wiley Online Library
In this study, we examine the dynamical complexity transitions during HILDCAA events.
HILDCAA preceded by an Interplanetary Coronal Mass Ejection (ICME) storm recovery …

Ionospheric disturbances observed over the Peruvian sector during the Mother's Day Storm (G5‐level) on 10–12 May 2024

R Singh, DE Scipión, K Kuyeng… - Journal of …, 2024 - Wiley Online Library
This article presents the recent extreme and rare G5‐level geomagnetic storm (Mother's Day
Storm) effects on the equatorial and low‐latitude ionosphere observed at the Peruvian …

Athermal pulsational mode dynamics with negative ions

PK Karmakar, J Dutta - Chinese Journal of Physics, 2024 - Elsevier
The stability dynamics of the pulsational mode of gravitational collapse (PMGC), excitable in
athermal (nonthermal) spherical complex dust molecular clouds (DMCs) in the presence of …

Special issue “DynamicEarth: Earth's interior, surface, ocean, atmosphere, and near space interactions”

C Stolle, J Baerenzung, EA Kronberg, J Kusche… - Earth, Planets and …, 2023 - Springer
The near-Earth's gravity and magnetic fields are most important to enable terrestrial life. The
role of the gravity field is obvious, it reflects the mass distribution of the Earth's interior and …

Optimal frequency-domain analysis for spacecraft time series: Introducing the missing-data multitaper power spectrum estimator

S Dodson-Robinson, C Haley - The Astronomical Journal, 2023 - iopscience.iop.org
Abstract While the Lomb–Scargle periodogram is foundational to astronomy, it has a
significant shortcoming: the variance in the estimated power spectrum does not decrease as …

Experimental observations of the correspondence of Alfvénic and compressional waves in the Solar Wind high-speed streams with the geomagnetic activity at high …

G Carnevale - 2024 - tesidottorato.depositolegale.it
The solar wind (SW) speed and the interplanetary magnetic field (IMF) exhibit wide Alfvénic
fluctuations, particularly within high-speed streams (HSS), which may influence …