Scott E. Forbush, E. H. Vestine,
... both significantly greater during the daylight hours at Huancayo. Also from 102 SC's occurring between 08h and 14h 75° WMT at Huancayo, we find that the average size of SC' ... practically negligible. The augmentation of SC sizes at Huancayo with Sq in H at Huancayo was found to be the same whether the ... of occurrence of SC's observed both at Huancayo and Watheroo. A simple explanation is offered for ... of SC's to Sq in H at Huancayo indicates that the current system responsible is closely ... for the large diurnal variation in H at Huancayo. The effects found are not predicted on the ...
Tópico(s): Geomagnetism and Paleomagnetism Studies
1955 - American Geophysical Union | Journal of Geophysical Research Atmospheres
... using the five minutes values of H at Huancayo, Trivandrum, Alibag, Honolulu and San Juan during the ... sudden commencement and twenty gradual commencement storms at Huancayo during 1958 using 5-min values of H at Huancayo. Adopting the method of auto-correlation analysis, we ... in phase at the two equatorial stations of Huancayo and Trivandrum or Huancayo and Alibag. They are therefore simultaneous at stations ...
Tópico(s): Geomagnetism and Paleomagnetism Studies
1964 - Elsevier BV | Planetary and Space Science
... the average the cosmic-ray changes observed at Huancayo agree well with those at other stations. From ... analysis of the variability of daily means at Huancayo and a sample comparison with Simpson's neutron ... is concluded that the cosmic-ray ionization at Huancayo is very little affected by meteorological effects. Through ... indicate the reliability of cosmic-ray results at Huancayo over long periods of time. The relation between ... the daily means of cosmic-ray intensity at Huancayo for all available data, 1937–1953.
Tópico(s): Astrophysics and Cosmic Phenomena
1954 - American Geophysical Union | Journal of Geophysical Research Atmospheres
... with the present results. Comparison of data from Huancayo Magnetic Observatory with those from the Pacific Ocean ... October, 1929, indicates that the total resistance at Huancayo is independent of variations in resistivity of the ... for the lower layer. The computed resistance for Huancayo is over three times that expected from consideration ... and other observed facts in atmospheric electricity at Huancayo are explainable on the assumption that a permanent ...
Tópico(s): Atmospheric Ozone and Climate
1942 - | Terrestrial Magnetism and Atmospheric Electricity
Produção Nacional
Revisado por pares
The major rainy season at Huancayo (central Peruvian Andes) is in the months DJFM (December–March). For years when El Niños were active during these months, two ... other months, the non-rainy season rainfall at Huancayo was sometimes far above average. During years of ... El Niño. If true, the rainfall patterns at Huancayo are different from those of coastal Peru. In ...
Tópico(s): Tropical and Extratropical Cyclones Research
2000 - Wiley | International Journal of Climatology
J. M. Forbes, R. G. Roble, F. A. Marcos,
... hourly mean H-component magnetic data from the Huancayo Observatory (0.72°S, 4.78°E; dipole ... hourly mean foF2 measurements from the ionosonde at Huancayo. Comparisons are also made with a self-consistent ... IMF, ∼100γ and ∼200γ reductions in the daytime Huancayo H-component (corrected for ring current effects) are ... f 0 F 2 (∼ ± 1.0 MHz) over Huancayo are consistent with the inferred electric fields and ...
Tópico(s): Solar and Space Plasma Dynamics
1995 - Elsevier BV | Journal of Atmospheric and Terrestrial Physics
J. H. Sastri, K. Ramesh, Huakun Rao,
... 77° 29′E, dip 3.0°N) and Huancayo (Geog.Long. 75°18′W, dip 2.0° ... of exactly opposite polarity was simultaneously seen at Huancayo which is on the dayside. The decrease in h′F at Kodaikanal (increase in hpF2 at Huancayo) occurred in association with an increase in polar ... IMF parameters), and the subsequent increase (decrease at Huancayo) with a decrease in polar cap potential. The ...
Tópico(s): Solar and Space Plasma Dynamics
1992 - American Geophysical Union | Geophysical Research Letters
Produção Nacional
... for five international quiet days are compared for Huancayo (12°S, 75°W, dip +1.9°) and ... but in a dissimilar way at Eusebio and Huancayo. Also, significant ΔD magnitudes are noticed even at ... moving over from the Fortaleza region to the Huancayo region.
Tópico(s): Ionosphere and magnetosphere dynamics
1982 - Elsevier BV | Journal of Atmospheric and Terrestrial Physics
... variation from ion-chamber data at Cheltenham-Fredericksburg, Huancayo, and Christchurch. The absolute, or total, diurnal anisotropy ... s 1953–1966, IGY neutron monitor data at Huancayo. References Abels, J. G., K. G. McCracken, U. ... pressure corrections to the cosmic-ray ionization at Huancayo and the change in apparent ion-chamber sensitivity ... cosmic-ray intensity, 1937-1959, at Cheltenham (Fredericksburg), Huancayo, and Christchurch, J. Geophys. Res., 65, 2213, 1960. ...
Tópico(s): Geophysics and Gravity Measurements
1969 - American Geophysical Union | Journal of Geophysical Research Atmospheres
Scott E. Forbush, D. Venkatesan,
... waves in cosmic-ray intensity at Cheltenham (Fredericksburg), Huancayo, and Christchurch and their variability are analyzed statistically, ... phase difference between these yearly deviation vectors at Huancayo and Cheltenham (or Christchurch) is considerably less than ... at all three stations, although, at least at Huancayo, the average 12-hour wave probably results entirely ...
Tópico(s): Solar and Space Plasma Dynamics
1960 - American Geophysical Union | Journal of Geophysical Research Atmospheres
... solar flare effect (Sqa) on geomagnetic field at Huancayo (Peru) and at Kakioka (Japan) Takesi Nagata, Takesi ... s.f.) variations of the geomagnetic field at Huancayo, Kakioka, and Watheroo are statistically examined. The main ... The magnitude of the s.f. variations at Huancayo is abnormally large, but T1 and ΔH/RH ...
Tópico(s): Geomagnetism and Paleomagnetism Studies
1952 - American Geophysical Union | Journal of Geophysical Research Atmospheres
(1) Huancayo —The establishment of a magnetic observatory at Huancayo, Peru (12° 03′ south, 75° 20′ west), by the ... and east force, showed no such abnormality at Huancayo.
Tópico(s): Historical Astronomy and Related Studies
1948 - | Terrestrial Magnetism and Atmospheric Electricity
Michael W. Jones, Albert A. Giesecke,
... m ) which reached 88 per cent totality at Huancayo, Peru, at 09 h 18 m , it seemed desirable that the Huancayo Magnetic Observatory (latitude 12° 02′.7 south, longitude ... shown that in the early morning hours at Huancayo there is a variation in potential‐gradient and ...
Tópico(s): Earthquake Detection and Analysis
1944 - | Terrestrial Magnetism and Atmospheric Electricity
... lunar diurnal variation in earth‐current flow at Huancayo and Tucson has been determined from the records ... analyses of the mean curves show that at Huancayo the amplitude of the second harmonic is about ... Moon was also examined. For both components at Huancayo, curves constructed for the four main phases of ...
Tópico(s): Geomagnetism and Paleomagnetism Studies
1938 - | Terrestrial Magnetism and Atmospheric Electricity
María del Rosario González-Moradas, Willem Viveen, Raúl Andrés Vidal-Villalobos, Juan Carlos Villegas Lanza,
... were noisier than those from the more arid Huancayo tectonic basin. All DEMs performed statistically similar in ... RMSE of 3.174 m in the rugged Huancayo basin, and 2.172 in the Moyobamba basin, ... statistical variability between DEMs in the more rugged Huancayo basin, suggesting that steeper slopes had a significant ...
Tópico(s): Geology and Paleoclimatology Research
2023 - Elsevier BV | CATENA
Gladys Idone-Cordova, Sayuri del Rosario Guerreros Surichaqui, Fiorella del Pilar Palomino Ricaldi, Wagner Vicente-Ramos,
... stores in the districts of El Tambo and Huancayo, 2019.The study was carried out using the ... stores in the districts of El Tambo and Huancayo and they were randomly selected for the application ... region of Peru (districts of El Tambo and Huancayo).
Tópico(s): Consumer Retail Behavior Studies
2020 - Growing Science | Management Science Letters
... Tomando el ejemplo de la ciudad intermedia de Huancayo, la urbe andina más importante de la sierra ... por campesinos que viven en las afueras de Huancayo y se revela qué opinión tienen los habitantes ...
Tópico(s): Agricultural and Food Production Studies
2017 - Pontifical Catholic University of Peru | Espacio y Desarrollo
A. B. Rabiu, Olanike Olufunmilayo Folarin, Т. Уозуми, Nurul Shazana Abdul Hamid, Akimasa Yoshikawa,
... 5 nT at the South American axis at Huancayo and a minimum peak of 40.7 nT ... Addis Ababa registered the greatest % of CEJ occurrence. Huancayo in South America, with the strongest electrojet strength, ... morning occurrence of the CEJ was obtained at Huancayo and Addis Ababa. Only Addis Ababa recorded equal ...
Tópico(s): Geomagnetism and Paleomagnetism Studies
2017 - Copernicus Publications | Annales Geophysicae
Andreas Haller, Axel Borsdorf,
Huancayo Metropolitano, the Central Peruvian social and economic urban center, changed from a small village of indigenous ... now undergoing major restructuring by globalization-driven processes. Huancayo Metropolitano's emerging middle class demands environmental amenities ...
Tópico(s): Latin American Urban Studies
2012 - Elsevier BV | Cities
... placed in a triangular configuration was installed near Huancayo in Peru possessing several characteristics of a radio- ... that were operating hundreds of km away from Huancayo show also similar TEC traces and provide a ... measured using the GPS at Piura, Cuzco and Huancayo. Based on this positive result, we conclude that ...
Tópico(s): Solar and Space Plasma Dynamics
2012 - Hindawi Publishing Corporation | International Journal of Geophysics
Stella M. Hartinger, Vilma Tapia, Carlos Carrillo, Lidia Bejarano Bejarano, Gustavo F. Gonzáles,
... 2002 for the cities of Lima (150 m), Huancayo (3280 m), Cuzco (3400 m), and Juliaca (3800 ... birth weight was higher in Juliaca than in Huancayo. There were no significant differences between the 4 ... Lima (150 m); Cuzco had intermediate values; and Huancayo (3280 m), where the population has resided the ...
Tópico(s): High Altitude and Hypoxia
2006 - Elsevier BV | International Journal of Gynecology & Obstetrics
... were analyzed using all available NmF2 observations over Huancayo (American sector) and Kodaikanal (Indian sector) stations located ... time. The revealed morphology of Q disturbances at Huancayo can be explained by the observed at Jicamarca ... B vertical drifts. There are some differences between Huancayo and Kodaikanal Q disturbance morphological patterns that cannot ...
Tópico(s): Geomagnetism and Paleomagnetism Studies
2005 - American Geophysical Union | International journal of geomagnetism and aeronomy
Abstract. Huancayo is the only equatorial electrojet station where the daytime increase of horizontal geomagnetic field (H) is associated ... equatorial station during normal electrojet conditions (nej). At Huancayo, situated north of the magnetic equator, the solar ... Y and a positive impulse in Z at Huancayo. It is concluded that both the zonal and ...
Tópico(s): Solar and Space Plasma Dynamics
1999 - Copernicus Publications | Annales Geophysicae
C. Dorbath, L. Dorbath, A. Cisternas, Jacques Déverchère, Michel Sébrier,
A microearthquake survey of the Huancayo region (central Peru) shows that most of the seismicity bordering the basin is situated along the Huaytapallana Fault. Nevertheless, some activity ... west. Un estudio microsísmico de la región de Huancayo muestra que la mayoría de la sismicidad que ...
Tópico(s): Geological and Tectonic Studies in Latin America
1990 - Elsevier BV | Journal of South American Earth Sciences
S. Alex, P. V. Koparkar, R. G. Rastogi,
... nights, one with strong range-type spread at Huancayo another with complete absence of spread-F. A ... during post-sunset hours at the equatorial latitude, Huancayo (Dip 2°N); low latitude, Talara (dip 13° ... and a lower density at the equatorial location Huancayo, were observed on spread-F present nights. This ...
Tópico(s): Solar and Space Plasma Dynamics
1989 - Elsevier BV | Journal of Atmospheric and Terrestrial Physics
J. Aarons, Anjan Kr. Dasgupta,
... MHz to 1.5 GHz) by two stations, Huancayo, Peru, situated near the magnetic equator, and Ascension ... at both the stations even around sunrise. At Huancayo, triggered by a reversal of electric field and ... is one of the highest levels recorded at Huancayo over a period of several years. At Ascension ...
Tópico(s): Earthquake Detection and Analysis
1984 - Wiley | Radio Science
Gustavo F. Gonzáles, José Capdevila Valera, Luis Rodríguez, Amalia Vega, Roger Guerra‐García,
... weight of native children, adolescents, and adults at Huancayo, Peru (3,280 meters), were measured in 1977, ... in previous studies. The data indicate that in Huancayo there has been a secular increment in child ...
Tópico(s): Indigenous Health and Education
1984 - Wiley | American Journal of Physical Anthropology
... are compared with observed values at two stations, Huancayo, Peru (1°N dip latitude), and Tucman, Argentina ( ... obtained between calculated and observed ƒoF2 values at Huancayo, Peru, and at Tucuman, Argentina. Night-time agreement ... agreement between calculated and observed values at both Huancayo and Tucuman is improved when the wind field ...
Tópico(s): Solar and Space Plasma Dynamics
1981 - Elsevier BV | Journal of Atmospheric and Terrestrial Physics
Produção Nacional
J. Aarons, J. P. Mullen, J.P. Koster, R.F. DaSilva, Jéssica Ramalho de Medeiros, R. T. de Medeiros, A. J. Bushby, J. Pantoja, J. Lanat, M. R. Paulson,
... MHz) from three stations in the equatorial region (Huancayo, Peru, Natal, Brazil and Accra, Ghana) were made ... comparison between UHF observations from Guam and from Huancayo, Peru for the period March, 1978 to June, ... increased magnetic activity produced increased scintillation activity. For Huancayo, minimum activity was again seen in the period ...
Tópico(s): GNSS positioning and interference
1980 - Elsevier BV | Journal of Atmospheric and Terrestrial Physics
J. Aarons, J. Büchau, Santimay Basu, J. P. McClure,
... Les 9 at two ground stations (Ancon and Huancayo, both in Peru) as well as by aircraft ... the orbiting Wideband satellite were also recorded at Huancayo. The results of such measurements made on October ... scintillation activity on propagation paths from Ancon and Huancayo. The observations indicate the east‐west dimension of ...
Tópico(s): Geomagnetism and Paleomagnetism Studies
1978 - American Geophysical Union | Journal of Geophysical Research Atmospheres