Data from Neutron Monitor 6NM64 on King George Island
Entry ID:
136-89_01
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Summary
Abstract:
LARC is an acronym, which stands for Laboratorio Antartico de Radiacion Cosmica (Antarctic Laboratory for Cosmic Rays). LARC project started about ten years ago as a uniquely Chilean project, but approximately five years ago the cosmic-ray section of IFSI/CNR was called to collaborate with the Chilean researchers both for ... experimental and theoretical works. A detailed Proposal
entitled Cosmic Rays in Antarctica was submitted to the Italian Antarctic
Research Program (PNRA/MURST, 1992-96) and it was approved. The Italian
counterpart joined the project in November 1993 through the signature of a
formal agreement (convention) between the Chilean Laboratory for Cosmic Rays
(University of Chile - Santiago) and the Italian Project Cosmic Rays in the
Heliosphere (IFSI/CNR - Rome). Immediately, the agreement was submitted to the
INACH (Instituto Antartico Chileno) and to the PNRA. The Italy/Chile
collaboration is made in the frame of the International Decade for Scientific
Cupertino in Antarctica (1991-2000).
The main objective for the LARC project is the study of the cosmic-ray
radiation in the high-latitude southern Latin-American sector, which is not
covered by the worldwide network of cosmic-ray detectors. A standard super
neutron monitor (6-NM-64 type - IQSY detector) is operating on King George
Island (South Shetland Island - Fildes Bay - Ardley Cove) since January 19,
1991. The place is the seat of the E. Frei Base and the Tte. Marsh airport with
Las Estrellas Village and a Meteorological Center.
This Center kindly supplied us with the meteorological parameters for Ardley
Cove (3 hourly readings of atmospheric pressure, air temperature, relative
humidity, wind speed and direction). The primary experimental equipment for
LARC was furnished by the Cosmic-Ray Research Laboratory of the University of
Chile. LARC data for the 1991 year have been recorded on paper tapes. During
three successive summers campaigns (1991/92,1992/93 and 1993/94) the data
acquisition system has been changed. Present original database 1991/1998 is on
easily readable ASCII or BIN files on DOS-formatted magnetic disks. Data are
collected and processed at Santiago.
Data strings for the 1991-1998 epoch contain: date, universal time (U.T.),
atmospheric pressure readings (hPa), internal temperature, internal humidity,
and the counting rates registered every 5 minutes by the three units (each
with two BP28 Chalk River counters) of the monitor. Data treatment includes:
data-string decoding; data-format check; data recovery, if possible, when
failure is present. 
Related URL
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Description:
Information on LARC (in Spanish - en espanol)
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Geographic Coverage
(Click for Interactive Map)
Spatial coordinates
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N: -62.03
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S: -62.03
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E: -58.15
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W: -58.15
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Quality
The intensity of neutrons readings has a typical accuracy of 1 count, the
atmospheric pressure readings has a typical accuracy of 0.01 hPa.
Access Constraints
Data available to scientists on request to LARC.
Use Constraints
Data may not be used for commercial applications. Source of data must be
indicated.
Data Set Progress
IN WORK
Personnel
Role:
INVESTIGATOR
Role:
DIF AUTHOR
Role:
TECHNICAL CONTACT
Phone:
+56 2 678 4383
Fax:
+56 2 696 7359
Email:
ecordaro at dfi.uchile.cl, ecordaro at cec.uchile.cl
Contact Address:
Blanco Encalada 2008
P.O. Box 487-3
City:
Santiago
Postal Code:
6511226
Country:
Chile
Publications/References
Cordaro.E.G., Lucci.N., Storini.M., 1990. Cosmic Ray Intensity Increase Observed on September 29,1989: The Chilean Neutron Monitor Data. Il Nuovo Cimento. Vol 13C, Num. 3. Maggio-Giugno 1990. pag.639-644.Brief Report - R.C.N.R../IFSI. 90-4 February 1990. Frascati. Italia. Cordaro.E.G., Johnson.E.R., 1990. ... Monitor de neutrones para territorio
Antartico.Tercer Simposio Nacional de Fisica Experimental y Aplicada. Revista
En torno a la Fisica. Numero especial 1989. Universidad de La Serena. Pag.
331-335.
Cordaro.E.G., Storini.M., 1992.The response of Los Cerrillos detectors to
1989/1990 G.L.E. Events. Geofisica Internacional 1992. Vol 3l.1 Num. 1, pag.
65-78. Index. ISSN 0016-7169.Serie CNR IFSI 91-24. December 1991.
Cordaro.E.G., Johnson.E.R., Storini.M., 1992. A Neutron Monitor on King George
Island. Geofisica Internacional. 1992. Vol. 3l.1 Num. 1, pag. 79-87. Index.
ISSN 0016-7169.
Cordaro.E.G., Storini.M., 1992. Cosmic Ray Meassurements in Antarctica during
the International Solar-Terrestrial Energy Program. Il Nuovo Cimento. Vol. 15
C. Num. 5. Settembre-Ottobre 1992. pag.539-545.
Serie CNR. IFSI-90-40., Diciembre 1990."Chilean Antarctic" Cordaro E.G.
Laboratorio Antartico de Radiacion Cosmica y su Red Hemisferica Sur. Serie
Cientifica Instituto Antartico Chileno INACH. Index. ISSN 0073-9871.Num. 43,
pag.111-132. 1993.
Cordaro.E.G and Storini.M, 1995. LARC / 6-NM-64: Atmospheric pressure effects.
Serie Cientifica Instituto Antartico Chileno INACH. Index. ISSN 0073-9871.
Num. 45, Pag 67-88.1995.
Cordaro.E.G., Storini.M., 1995. LARC / 6MN-64: Atmospheric Pressure Effects.
Pre-Series. CNR/IFSI 94-19. August 1994. Frascati - Italia.
S.Massetti, M. Storini and E.G. Cordaro., 1997. Barometric Effects on Neutron
Monitor Data. Part I. Used Algorithms. Series CNR/IFSI 97-5. June 1997.
Frascati - Italia.
Storini.M., Cordaro.E.G., 1997. Italia / Chile Collaboration for LARC. Il Nuovo
Cimento. Vol. 20 C. Num. 6. November-December 1997.
Storini.M, Cordaro E.G., Felici.A., 1993. LARC Response to the 1991 GLE
events. Pre-print Series CNR/IFSI-Ra.C.Ant93. IFSI-93-23. November. 1993.
Storini.M., Felici.A., Cordaro.E.G., Iucci.N., 1991. Raggi Cosmici Solari
nell'ambiente terrestre durante l'anno 1989. R.CNR/IFSI-91-08. Frascati -
Italia. Marzo 1991.
Cordaro.E.G, Larenas.M, Olivares.E, Opazo.M, Johnson.E, Bavassano B, Felici A,
Re F, Signoretti F, Signorini C, Storini M, Villoresi G, Zangrillo N, Iucci N
and Parisi M., 1994. LARC inside the World-Wide Network of Cosmic-Ray
Detectors. Series CNR/IFSI-RA.C.-Ant94 (S.C.A.R. 1994 - Rome)R.CNR/IFSI-94-17.
August 1994. Frascati - Italia.
Cordaro.E.G., 1991. Progress in the Chilean Cosmic Ray Laboratories.
Proceedings of the 22th International Cosmic Ray, Conference. Vol 3. SH. pag.
800-803. Dublin - Ireland. 1992
Storini.M, Cordaro.E.G, Johnson.E.R, 1992. Italia-Chile Collaboration for
Cosmic Ray Measurements in Antarctica. European Cosmic Ray Conference. Geneva -
Switzerland. July 27-31 1992.
Cordaro.E.G., Storini.M., 1994. Neutron Monitor Data For Solar Terrestrial
Physics: The Human Environment. Proceedings International Symposium on Solar
Terrestrial Physics (STEP -SCOPTEP). pag.205-01, 205-04. June 1994. Sendai -
Japan.
Storini.M., Cordaro.E.G., 1992. Antartic Laboratory for Cosmic Rays (LARC):
Status Report. Italian Research on Antarctic Atmosphere. Colacino.M.,
Giovanelli.G. and Stefanuti.L. (Editors), SIF, Bologna, Conference
Proceedings. Vol.35. pag. 233-249. 1992.
Cordaro.E.G., Storini.M., 1990. Cosmic Ray Measurements in The Chilean
Antarctica During The International Solar-Terrestrial Energy Program.
R.CNR/IFSI- 90-40. December 1990. Frascati - Italia. Paper (update short
version) presented at the 5th Cosmic Physics Conference.pag
539-545.G.I.F.C.O.San Miniato Di Pisa - Italy. November 27-30.1990. A.Bonetti
and I.Guidi. (Editors)
Storini.M, Smart D.F, Shea M.A, and Cordaro E.G, 1995. Cosmic Ray Asymptotic
Directions for Chilean Neutron Monitors. Proceedings of the 24th International
Cosmic Ray Conference. Vol 4. SH Sessions. pag. 1074-1077. Roma - Italia.
September 1995.
Cordaro.E.G., 1995. Antarctic Laboratory for Cosmic Rays: 1991-1995. (On
behalf of the Chile/Italia Collaboration) Proceedings of the 24th
International Cosmic Ray Conference. Vol 4. SH Sessions. pag. 1320-1323. Roma -
Italia. September 1995.
E.G. Cordaro, E. Olivares, M. Storini, 1996. LARC - Antartica - Sistema de
adquisicion de datos. Conferencia Latinoamericana: Ciencias Espaciais e da
Atmosfera na Antartica, Transec Editorial, Sao Paulo - Brasil. pag. 183-192,
1995. Recibido en 1996.
E.G. Cordaro, M. Storini, E. Johnson, E. Olivares, 1995. LARC - Investigacion
espacial y atmosferica en Antartica. Conferencia Latinoamericana: Ciencias
Espaciais e da Atmosfera na Antartica,Transec Editorial, Sao Paulo - Brasil.
pag. 193-208, 1995. Recibido en 1996.
Cordaro.E.G., Marin.V., 1995. Programa Antartico de la Universidad de Chile.
Conferencia Latinoamericana: Ciencias Espaciais e da Atmosfera na Antartica,
Transec Editorial, Sao Paulo - Brasil, pag. 183-192, 1995. Recibido en 1996.
E.G. Cordaro Cardenas y E. Olivares Canouet, 1995. Red Latinoamericana de
Medicion de Radiacion Cosmica en el hemisferio Sur. Seminario Proteccion de los
Ecosistemas Americano y Antartico. Marzo 1995. pag 129-134. Editado por
Instituto Antartico Chileno. 1996.
M. Storini, E.G. Cordaro, K. Kudela and A. Antalov, 1997. Solar activity
imprented on geomagnetic/cosmic ray records: Implications for the terrestrial
atmosphere. Program IAGA/ICMA Workshop on Solar Activity Effects on the Middle
Atmosphere. Institute of Atmospheric Physics. Prague - Slovak Republic. August
21. 1997.
M. Storini, S. Massetti, A.. Felice. F. Signoretti, M. Parisi, N. Lucci, E.G.
Cordaro, E. Olivares, 1997. L'Evento del 20 Febbraio 1993 nella Radiazione
Cosmica Galattica. Societa Italiana di Fisica. LXXXIII Congresso Nazionale.
Congresso del Centenario. Como. Villa Olmo. Italy. Ottobre 1997.
Enrique Cordaro C., 1997. Los Rayos Cosmicos y su relacion con los ecosistemas
Antartico y Americano. Boletin Antartico Chileno - INACH. Vol. 16(2).
pag.18-20. Index. ISSN 0716-0763. Noviembre 1997.
Creation and Review Dates
DIF Creation Date:
2005-03-15
Last DIF Revision Date:
2009-06-11
Future DIF Review Date:
2005-12-30
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