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838 (0,121s) •

Project

Wave effects in the ionosphere and the short-term ionospheric predictions (GA205/01/1071)

Short term variations of the ionosphere (from minutes to several hours) are associated with effects of acoustic gravity waves. Two main sources of acoustic gravity waves exist 1) Waves propagating from hig...

DG - Vědy o atmosféře, meteorologie

  • 2001 - 2003
    • •
  • 1 920 tis. Kč
    • •
  • 730 tis. Kč
    • •
  • GA ČR
Project

Advanced Techniques Applied to Black-Hole and Gravitational-Wave Exact Spacetimes (GA23-05914S)

of relativistic theory of gravity by applying some advanced concepts and mathematical tools. We will focus on explicit exact models of black holes and gravitational waves, reductions to 2+1 Gravity theory, and generalizati...

Particles and field physics

  • 2023 - 2025
    • •
  • 6 241 tis. Kč
    • •
  • 5 433 tis. Kč
    • •
  • GA ČR
Project

Dynamical structure of ionosphere - gravity waves, planetary waves, geomagnetic storms (GA205/98/0058)

Theionosphere is very variable. At time scales of tens of minutes up to days, gravity waves, planetary waves and geomagnetic storms belong to main sources of this variability. The proposed project deals with investigations ...

DG - Vědy o atmosféře, meteorologie

  • 1998 - 2000
    • •
  • 1 172 tis. Kč
    • •
  • 774 tis. Kč
    • •
  • GA ČR
Project

Middle atmosphere effects of localized gravity wave forcing (GC16-01562J)

The proposed project aims at study of the middle atmosphere effects of localized gravity waves (GW) forcing. Characteristics of the higher GW activity regions. We will implement algorithms for full 3D diagnostics of the wave

DG - Vědy o atmosféře, meteorologie

  • 2016 - 2018
    • •
  • 4 341 tis. Kč
    • •
  • 3 504 tis. Kč
    • •
  • GA ČR
Project

Dynamic structures in the ionosphere (IAA300420504)

with variations in neutral gas, especially with acoustic gravity wave activity from different of solar, geomagnetic and acoustic gravity wave activity in the ionospheric E and F digisonde DPS 4, and to estimate th...

DG - Vědy o atmosféře, meteorologie

  • 2005 - 2007
    • •
  • 837 tis. Kč
    • •
  • 837 tis. Kč
    • •
  • AV ČR
Project

Global climatology of the wind vector rotation – implications for the orographic internal gravity waves propagation (7AMB16AT021)

rotation of the winds’ direction and identification of conditions favourable for waves...

DG - Vědy o atmosféře, meteorologie

  • 2016 - 2017
    • •
  • 195 tis. Kč
    • •
  • 195 tis. Kč
    • •
  • MŠMT
Project

Exact Spacetimes in Einstein’s Theory, Quadratic Gravity, and Other Generalizations (GA20-05421S)

Relativity to Quadratic Gravity in four and higher dimensions. Due to their specific and gravitational waves. We plan to derive explicit metrics, clarify their geometric of exact solutions in General Relativity and Quadratic Gr...

Particles and field physics

  • 2020 - 2023
    • •
  • 4 559 tis. Kč
    • •
  • 4 559 tis. Kč
    • •
  • GA ČR
Project

Diurnal variations of the wave processes in the ionosphere and determination of their possible sources (GP205/02/P077)

atmospheric waves, especially acoustic-gravity waves and partly the tides.The main aim of this project is to find and study the ionospheric effects of regular sources of the gravity wave activity (variati...

DG - Vědy o atmosféře, meteorologie

  • 2002 - 2004
    • •
  • 1 525 tis. Kč
    • •
  • 639 tis. Kč
    • •
  • GA ČR
Project

New Precision Tests of the Dark Sector (GA24-10780S)

gravity at the scales of galaxies, clusters and the observable universe tantalising possibility is that these tensions are evidence that gravity on the scales of the universe is governed by a different theory to GR (modified gr...

Particles and field physics

  • 2024 - 2026
    • •
  • 10 601 tis. Kč
    • •
  • 8 232 tis. Kč
    • •
  • GA ČR
Project

Unravelling climate impacts of atmospheric internal gravity waves. (GM23-04921M)

This research proposal employs state-of-the-art high-resolution atmospheric datasets and cutting-edge theoretical methods for internal gravity wave (GW) detection and wave-mean flow interaction to revisit and advance our un...

Meteorology and atmospheric sciences

  • 2023 - 2027
    • •
  • 14 923 tis. Kč
    • •
  • 14 923 tis. Kč
    • •
  • GA ČR
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