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THE SPANISH NETWORK
14
SPANISH REPEAT STATIONS SURVEYS (2007 AND 2008) I.Socías, P.Covisa, C.Domingo, J.Fernandez and V.Marin Instituto Geográfico Nacional. Spain. 4 th MagNetE WORKSHOP ON EUROPEAN GEOMAGNETIC REPEAT STATION SURVEY Helsinki, Finland, 8-10 June 2009
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4 th MagNetE WORKSHOP ON EUROPEAN GEOMAGNETIC REPEAT STATION SURVEY Helsinki, Finland, 8-10 June 2009. SPANISH REPEAT STATIONS SURVEYS (2007 AND 2008) I.Socías, P.Covisa, C.Domingo, J.Fernandez and V.Marin Instituto Geográfico Nacional. Spain. THE SPANISH NETWORK. DEMANDA. CALABOR. JALANCE. - PowerPoint PPT Presentation
Transcript of THE SPANISH NETWORK
SPANISH REPEAT STATIONS SURVEYS (2007 AND 2008)
I.Socías, P.Covisa, C.Domingo, J.Fernandez and V.Marin
Instituto Geográfico Nacional. Spain.
4th MagNetE WORKSHOPON EUROPEAN GEOMAGNETIC REPEAT STATION SURVEYHelsinki, Finland, 8-10 June 2009
THE SPANISH NETWORK
DEMANDA
CALABOR
JALANCE
TOSSALS
QUESADA
2007 SURVEYD (g.ggg) des(m.m) H(nT) des(nT) Z(nT) des(nT)
APIES -1,163 0,2 24340,9 1,7 38354,6 2,5
ARROYO -3,046 0,1 25828,3 0,8 35707,2 1,5
BENEJAMA -1,130 0,3 26265,1 1,2 35368,2 0,2
BIELSA -1,084 0,1 24091,0 1,6 38701,8 4,6
CASTRO -4,106 0,2 23969,4 3,9 38633,6 1,1
COLMENAR -2,161 0,2 27234,5 1,0 33374,9 2,1
GERONA -0,279 0,4 24499,0 2,0 38344,0 2,7
GINZO -3,519 0,2 24476,7 1,9 37843,1 1,6
LORCA -1,380 0,5 26697,8 2,9 34509,7 2,0
MA€ANET -0,329 0,7 24230,4 1,7 38695,3 2,9TORRELAVI
T-0,565 0,2 24767,4 1,7 37879,9 3,4
VILLABRE -3,186 0,3 23825,4 2,3 38854,6 2,0
VINAS -3,118 0,2 24596,9 1,0 37723,4 1,4VIVEIRO -3,564 0,6 23417,7 2,7 39138,3 5,8
2008 SURVEYVAR. STA REP. STA D(g.ggg d H(nT) d Z(nT) d
SPT COLMENAR -2,047 0,2 27269,0 0,8 33375,1 1,5
MONTELLANO -2,437 0,2 27215,2 0,8 33414,3 1,0
CABEZUDOS -2,750 0,4 27073,7 1,3 33565,6 2,7
EL ROSAL -2,963 0,2 26698,2 1,0 34212,1 3,5
HERRERA -2,313 0,1 26053,8 0,4 35485,5 0,5
TORRENUEVA -1,783 0,2 26339,0 1,7 35102,3 1,1
BUENACHE -1,443 0,2 25495,7 2,8 36536,7 2,4
BENEJAMA -1,020 0,3 26132,6 3,3 35499,9 1,9
TOSSAL -0,113 0,1 25722,2 0,4 36585,5 0,2
MAO 0,232 0,1 25665,8 0,4 36798,2 1,6
IBIZA -0,425 0 26216,1 0,2 35679,9 0,9
QUESADA -1,663 0,05 26777,1 0,6 34324,1 1,1
LORCA -1,273 0,05 26728,3 2,3 34519,5 0,7
JALANCE -1,146 0,1 26047,4 0,6 35754,2 0,8
VARIOMETRIC STATION TOSSAL
REPEAT STATION MAO
CONCLUSSIONS
– In view of the problems had in the Spanish repeat station network because of changes in the civil conditions, mainly due to the growing of towns and villages, its been decided to locate them at reserve zones. The time spent looking for these places in the last years has made impossible to do the complete survey in these two years, as normally is done.
CONCLUSSIONS
• The variometric method has proved to be more precise than the classical one, not only in the variometric stations but also for repeat stations at a distance of 150-200 kilometres
