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This paper presents the global analysis of two extended decreases in the galactic cosmic-ray intensity observed by worldwide networks of ground-based detectors in 2012. This analysis is capable of separately deriving the cosmic-ray density (or omnidirectional intensity) and anisotropy…
Observations of temporary Forbush decreases (FDs) in the Galactic cosmic-ray (GCR) flux due to the passage of solar storms are useful for space-weather studies and alerts. Here…
We assess the Southern Ocean CO2 uptake (1985–2018) using data sets gathered in the Regional Carbon Cycle Assessment and Processes Project Phase 2. The Southern Ocean acted as a sink for CO2 with close agreement between simulation results from global ocean biogeochemistry models (GOBMs, 0.75 ± 0.
resulted in devastating bushfires igniting in south-eastern Australia. As a result, a significant amount of smoke aerosols was injected into the upper troposphere-lower stratosphere (UTLS) region. Its properties, in particular H2O enhancement inside the smoke plume…
Space weather forecasting is a very important tool for the space situational awareness to the space objects, the space environment and related threats and risks for manned and non-manned spacecrafts. The global network of ground based multi-directional detectors (GMDN)…
We analyse the precursor of a Forbush decrease (FD) observed with the Global Muon Detector Network on 2006 December 14. An intense geomagnetic storm was also recorded during this FD with the peak Kp index of 8+.
We analyze the precursory anisotropy … of a Forbush decrease observed with the multidirectional … muon detector at S˜ao Martinho in Brazil … on December 14, 2006. By subtracting contribution … from the diurnal anisotropy precisely determined by … the GlobalMuon Detector Network (GMDN)…
Systematic recording of the cosmic radiation commenced in Hobart in 1946 and at Mawson in Antarctica in 1955, making these two … of the longest running cosmic ray observatories in the world. For the IGY, observations were also made at a sub-Antarctic island and … near the equator…
We analyze the precursor of a Forbush decrease (FD) observed with the Global Muon Detector Network on 2006 … December 14. An intense geomagnetic storm is also recorded during this FD with the peak Kp index of 8+.
As revealed by the CALIPSO orbiting lidar, the intense firestorms that occurred … in southern Australia during February 2009 injected a significant plume of … smoke particles into the lower stratosphere. Over the following weeks…
We study two intense Forbush decreases that occurred during two adjacent SOLTIP (Solar connection of Transient Interplanetary … Processes) intervals; namely SOLTIP 1 (22–27 March 1991) and SOLTIP 2 (1–17 June 1991)…
We have developed a method for determining interplanetary coronal mass ejection … (ICME) geometry from galactic cosmic ray data recorded by the ground-based muon … detector network. The cosmic ray density depression inside the ICME, which is associated … with a Forbush decrease…
A multi-directional telescope for detection of high-energy galactic cosmic rays (GCRs) - muons … was installed in 2001, through an international cooperation between Brazil, Japan and USA, and … operated since then at the Southern Space Observatory - SSO/CRS/INPE - MCT, (29S, 53W)…
Reports of a variety of short-term meteorological responses to changes in the global electric circuit associated with a set of disparate … inputs are analyzed. The meteorological responses consist of changes in cloud cover, atmospheric temperature, pressure, or dynamics.
We have developed a method for determining ICME (Interplanetary coronal mass ejection) geometry from galactic cosmic ray data recorded by the ground-based muon detector network. The … cosmic ray density depression inside the ICME, which is the cause of a Forbush decrease…
Abstract : Well sorted, fine lithic sandstone within the Drygalski Formation at Cape Lockyer on the … southern tip of Heard Island, preserves a diverse terrestrial palynoflora as well as marine diatoms and a few … foraminifera. A combination of these elements suggests a Late Miocene age (10–5 Ma).