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CONTINENT >
15
EARTH SCIENCE
15
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POLAR
15
SUN-EARTH INTERACTIONS
ANTARCTICA
12
climatologyMeteorologyAtmosphere
12
ATMOSPHERE
10
IONOSPHERE/MAGNETOSPHERE DYNAMICS
9
FIXED OBSERVATION STATIONS
8
SOLAR ACTIVITY
8
ANTARCTICA >
7
ATMOSPHERIC RADIATION
6
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6
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geoscientificInformation
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COSMIC RAYS
5
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5
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5
ATMOSPHERIC ELECTRICITY
4
Casey
4
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4
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4
GROUND-BASED OBSERVATIONS
4
SOLAR ENERGETIC PARTICLE PROPERTIES
4
AURORA
3
AURORAE
3
Davis
3
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3
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3
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