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Active Layer
151
Cryosphere
151
Earth Science
151
Grid
151
Probes
Permafrost
146
Field Survey
141
Weekly to Monthly
116
500 Meters to 1 Kilometer
94
500 meters to 1 Kilometer
26
500 Meters To 1 Kilometer
19
Weekly To Monthly
19
1 Kilometer
10
Weekly to monthly
4
500 meters to 1 kilometer
2
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Active layer monitoring
151
Tundra
permafrost
151
Alaska
124
Active layer thickness
114
Global Terrestrial Network for Permafrost
37
Arctic
36
wedge*
22
Barrow
20
Ice
20
Betula nana
11
north slope
10
Prudhoe Bay
9
Rubus chamaemorus
9
Cottongrass
8
Carex bigelowii
7
Cotton-grass
6
Siberia
5
Anadyr
4
Anadyr'
4
Chukotka
2
Eriophorum scheuchzeri
1
Luzula arctica
1
Saxifraga oppositifolia
1
Strangmoor
1
palsas
1
taiga
1
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