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Circumpolar Active Layer Monitoring (CALM) Network

31 May 2003: Final Version

Late summer thaw (cm)

Map

Site

Location

Method

 '90

'91

'92

'93

'94

'95

'96

'97

'98

 '99 2000 '01 '02
Antarctic

A1

Scott Base [38]

77 51' S
166 46' E

T/B1.2

 -

-

-

-

-

-

-

-

-

35

 36 tba tba

A2

Bull Pass [39]

77 31' S
161 52' E

T/B1.2

 -

-

-

-

-

-

-

-

-

 42 38 tba tba

A3

Marble Point [38]

77 25' S
163 41' E

T/B1.2

 -

-

-

-

-

-

-

-

-

 52 54 tba tba

A4

Beacon Valley [40]

77 48' S
160 43' E

T/B20

 -

-

-

-

-

-

-

-

-

-

-

 tba tba

A5

Victoria Valley [40]

77 20' S
161 36' E

T

 -

-

-

-

-

-

-

-

-

-

tba

 tba tba

A6

Simpson Crags  [36]

74 26' S
162 53' E

T/B7.8

 -

-

-

-

-

-

-

-

-

tba

22

 tba tba

A7

Boulder Clay [36]

74 45' S
164 01' E

T/B3.6

 -

-

-

-

-

-

-

21

18

25

17

 19 tba

A8

Oasi [36]

74 42' S
164 06' E

T/B15.5

 -

-

-

-

-

-

-

-

-

-

-

 na tba
Canada

Location

Method

 '90

'91

'92

'93

'94

'95

'96

'97

'98

 '99 2000 '01 '02

C1

Alexandria Fiord [1]

78 53' N
75 55' W

100

 -

-

-

-

-

55

 49

*

 *

57

 62 58 tba

C3

North Head [3]

69 43' N
134 27' W

100/TT

 -

61

62

63

64

62

60

*

70[53]

 66[52] 59 [43] 62 [43] [44]

C4

Taglu [3]

69 22' N
134 57' W

100/TT/T/B30

 -

-

111

118

118

125

112

118

[98]

 >132[101] >130 [98] 117[93] [85]

C5

Lousy Point [3]

69 13' N
134 17' W

100/TT/T/B30

 -

81

88

80

86

85

75

*

91[64]

 84[62] 64 [52] 70 [53] [54]

C6

Parsons Lake [4]

68 58' N
133 33' W

T/P

 79

80

85

84

91

89

84

90

80

 75 78 77 nd

C7

Reindeer Depot [3]

68 41' N
134 08' W

TT

 -

-

127

129

132

136

134

135

140

 137 134[110] 136[115] [106]

C8

Rengleng River [3]

67 48' N
134 08' W

100/TT

 -

-

102

106

111

111

108

110

116[82]

 111[78] 110[80] 108 [77] [75]
C9

Mountain River [3]

65 40' N
128 50' W

100/TT

 -

-

58

59

62

62

58

59

62

 57 59

C10

Pump Station [4]

65 17' N
126 53' W

T/P

 62

66

64

58

60

63

61

77

78

 77 80 85 87

C11

Norman Wells [3]

65 12' N
126 28' W

100/TT

 -

-

64

63

61

61

59

59

66[50]

 64[49] 64[45] 66 [45] [47]

C12

Great Bear River [4]

64 55' N
125 35' W

T/P

 71

72

72

72

69

69

63

69

87

 86 86 89 69

C13

Ochre River [3]

63 28' N
123 42' W

TT

 -

-

-

58

60

58

63

*

66

 65 65 64 tba

C14

Willowlake River [3]

62 42' N
123 04' W

TT

-

-

-

79

83

84

90

87

89

 91 82 86 [72] [75]

C15

Fort Simpson [3]

61 53' N
121 36' W

100/TT/T

-

-

-

95

106

123

>128

>128

>126

 >164[70] >164[77] >163[74] [69]

C16

Lake Hazen; Ellesmere Isl [4]

81 49' N
71 23' W

T

-

-

-

-

47

51

47

46

52

50

50

49

 nd

C17

Sheldrake River [23]

56 38' N
76 06' W

T

 121

134

108

131

134

-

 154 157 tba tba tba tba tba

C18

Tanquary Fiord; Ellesmere Is [24]

81 24' N
76 42' W

100/TT

-

-

-

-

-

-

-

56

51

 58 nd nd nd

C19

Eureka; Ellesmere Is [24]

80 01' N
85 45' W

1000/TT

-

-

-

-

-

-

-

52

53

 * 49 nd nd

C20

Baker Lake [25]

64 10' N
95 30' W

T/B3

-

-

-

-

-

-

-

120

170

174

189

193

 207
C21 Marmot Mountain [43]

52 48' N
118 07' W

T/B16.8

336

352

362

220

354

272

240

192

talik

342

96

152

84
C22 Kluane Lake [24]

60 57' N
138 26' W

100

-

-

-

-

-

-

-

-

-

53

59

59

 tba

Map

Site

Location

Method

 '90

'91

'92

'93

'94

'95

'96

'97

'98

 '99 2000 '01 '02

China

CN1

Yitulihe; NE China [28]

50 56' N
121 20' E

T

-

-

-

-

-

-

96

100

109

112

-

 - -

CN2

Fenghuo Shan [29]

34 44' N
97 53' E

T/B35

-

-

-

-

-

-

-

-

136

 137 140 143 tba

CN3

Ecology Station [29]

35 26' N
93 36' E

T

-

-

-

-

-

-

-

-

-

 261 264 264 tba

CN4

Wuli [29]

34 28' N
92 44' E

T

-

-

-

-

-

-

-

-

-

 - 260 tba tba

CN5

Lower Two Rivers [29]

31 49' N
91 44' E

T/B40

-

-

-

-

-

-

-

-

-

 - 102 tba tba

Map

Site

Location

Method

 '90

'91

'92

'93

'94

'95

'96

'97

'98

 '99 2000 '01 '02

Denmark/Greenland

G1

Zackenberg; ZEROCALM 1 [5]

74 28' N
20 30' W

100/T

-

-

-

-

-

-

60

62

66

 60 64 63 71

G2

Zackenberg; ZEROCALM 2 [5]

74 28' N
20 30' W

150/T

-

-

-

-

-

-

61

57

60

 44 60 60 60

G3

Disko Island [5]

69 15' N
53 30' W

100/T

-

-

-

-

-

-

-

57

71

 74 68 70 nd

Map

Site

Location

Method

 '90

'91

'92

'93

'94

'95

'96

'97

'98

 '99 2000 '01 '02

Kazakhstan
K0

N Tien Shan; Cosmostation [26]

43 05' N
76 55' E

T/B25

 4.8

5.1

5.1

4.7

4.9

4.8

4.7

4.8

 4.8 4.9 4.9 5.0 4.9

K1

N Tien Shan; Cosmostation [26]

43 05' N
76 55' E

T/B14

 4.5

4.9

4.6

4.2

5.0

5.1

4.9

5.0

 5.0 5.2 5.0 nd nd

K2

N Tien Shan; Cosmostation [26]

43 05' N
76 55' E

T/B14

 -

-

-

-

-

-

-

-

 3.8 4.3 4.2 4.4 4.2

Map

Site

Location

Method

 '90

'91

'92

'93

'94

'95

'96

'97

'98

 '99 2000 '01 '02

Mongolia

M1

Baganuur Depression [35]

47 41' N 

108 16' E

TT/T/B12

 -

-

-

-

-

-

3.45

3.50

 3.55 3.45 3.50 3.40 3.55

M2A

Nalaikh Depression [35]

47 45' N 

107 15' E

T/T/B50

 -

-

-

-

-

-

-

3.40

 3.50 3.40 3.45 3.35 3.45

M2B

Nalaikh Depression [35]

47 47' N 

107 20' E

T/B7

 -

-

-

-

-

-

-

-

 1.35 1.30 1.35 1.35 1.40
M3 Argalant Valley [35]

47 55' N 

106 33' E

T/B9

 -

-

-

-

-

-

-

 6.10 6.20 6.05 6.15 6.35 tba
M4 Burenkhan Valley [35]

49 43' N 

100 01' E

TT/B5

 -

-

-

-

-

-

-

 -

-

-

3.45
M5 Ardag Mountain [35]

50 37' N 

100 50' E

T/B15

 -

-

-

-

-

-

-

 -

-

3.00

3.20

M6

Terkh Valley [35]

48 05' N 

99 23' E

T/B15

 -

-

-

-

-

-

-

-

 - 2.05 2.10 2.05 2.15

M7

Chuluut Valley [35]

48 02' N 

100 24' E

T/B15

 -

-

-

-

-

-

-

-

 - - 2.40

Map

Site

Location

Method

 '90

'91

'92

'93

'94

'95

'96

'97

'98

 '99 2000 '01 '02

Norway/Svalbard

N1

Janssonhaugen, Svalbard [41]

78 12' N
16 28' E

 -

-

-

-

-

-

-

-

 155 161 157 159 tba

N2

Junvvasshoe, Norway [41]

61 41' N
08 22' E

 -

-

-

-

-

-

-

-

 - 215 222

N3

UNISCALM [37]

78 12' N
15 45' E

T

 -

-

-

-

-

-

-

-

 - - 96 99 96
KingCALM

78 56' N
11 51' E

5

 -

-

-

-

-

-

-

-

 - - - 69 64

Map

Site

Location

Method

 '90

'91

'92

'93

'94

'95

'96

'97

'98

 '99 2000 '01 '02

Poland/Svalbard

P1

Calypsos Tranda, Svalbard [6]

77 34' N
14 30' E

P

122

128

130

139

*

136

129

*

137

*

125

 134 136

P2-a

Kaffioyra Plain, Svalbard [42]

78 41' N
11 50' E

P

-

-

-

-

-

-

118

124

109

120

117

 122 128

P2-b

Kaffioyra Plain, Svalbard [42]

78 41' N
11 50' E

P

-

-

-

-

-

-

145

148

113

165

156

 158 168

P2-c

Kaffioyra Plain, Svalbard [42]

78 41' N
11 50' E

P

-

-

-

-

-

-

205

182

178

200

210

 219 170

Map

Site

Location

Method

 '90

'91

'92

'93

'94

'95

'96

'97

'98

 '99 2000 '01 '02

Russia

R1

Nadym; West Siberia [9]

65 20' N
72 55' E

100/T/B10

-

-

-

-

-

-

-

129

137

125

126

 132 143

R2

Ayach-Yakha, Vorkuta [8]

67 35' N
64 11' E

100/T

-

-

-

-

-

-

67

63

65

64

69

 73 76

R3

Marre Sale, Yamal Peninsula [9]

69 43' N
66 45' E

1000/T/B10

-

-

-

-

-

131

111

94

115

92

106

 111 115

R5

Vaskiny Dachy, Yamal Peninsula [10]

70 17' N
68 54' E

100/T/B10

-

-

-

84

85

95

89

81

91

84

 90 92 93

R8

Tiksi (Game), Lena Delta [13]

71 35' N
128 47' E

1000/T

-

-

-

-

-

-

-

40

40

42

47

 tba tba

R9

Cape Rogozhny; Chukotka [16]

64 47' N
176 58' E

100/T

-

-

-

-

43

42

49

50

38

39

 42 44 46

R11

Mt. Dionisy, Chukotka [16]

64 34' N
177 12' E

100/T

-

-

-

-

-

-

50

47

45

53

 46 47 52

R12A

Kuropatochya River; Kolyma [14]

70 55' N
156 38' E

100#//T/B15

-

-

-

-

-

-

37

-

*

 *

R12B

Kuropatochya River; Kolyma [14]

70 55' N
156 38' E

100#

-

-

-

-

-

-

27

-

*

 *

R13A

Cape Chukochii, edoma; Kolyma [14]

70 05' N
159 35' E

100#/T/B30

-

-

-

-

-

-

-

-

*

36

33

38

 44

R13B

Cape Chukochii, alas; Kolyma [14]

70 05' N
159 55' E

100

-

-

-

-

-

-

-

-

-

-

31

38

 39

R14

Chukochya River, Kolyma [14]

69 29' N
156 59' E

100#/T/B25

-

-

-

-

-

-

43

-

41

38

41

R15A

Konkovaya River alas, Kolyma [14]

69 23' N
158 28' E

100#/T/B50

-

-

-

-

-

-

39

-

25

32

*

36

32

R15B

Konkovaja River edoma, Kolyma [14]

69 23' N
158 28' E

100/T/B50

-

-

-

-

-

-

38

-

-

36

*

32

R16

Segodnya Pingo, Kolyma [14]

69 05' N
158 54' E

100

-

-

-

-

-

-

38

*

*

30

*

 39

R17

Akhmelo Channel; Kolyma [14]

68 49' N
161 00' E

100/T

-

-

-

-

-

-

44

-

43

 * 45 47 48

R18

Mt. Rodinka; Kolyma [15]

68 45' N
161 30' E

1000/T

-

-

-

-

-

-

-

-

72

74

75

75

 76

R19

Lake Glukhoe, Kolyma [14]

68 48' N
160 57' E

100#

-

-

-

-

-

-

72

-

65

67

72

74

 78

R20

Malchilovskaya Channel, Kolyma [14]

68 31' N
161 26' E

100

-

-

-

-

-

-

54

*

48

52

46

50

 47

R21

Lake Akhmelo, Kolyma [14]

68 50' N
161 02' E

100/T/B15

-

-

-

-

-

-

85

*

70

83

84

84

 91

R22

Alazeya River [14]

69 19' N
154 59' E

100/B23

-

-

-

-

-

-

-

-

46

46

*

 50

R23

Talnik [32]

67 20' N
63 44' E

100

-

-

-

-

-

-

-

-

89

91

111

111

 110

R24

Bolvansky [33]

68 18' N
54 30' E

100

-

-

-

-

-

-

-

-

-

88

106

 106 104

R25

Jakutskoe Lake [14]

69 51' N
159 30' E

100

-

-

-

-

-

-

-

-

-

23

37

38

 47

R27

Lavrentia [32]

65 36' N
171 03' E

100

-

-

-

-

-

-

-

-

-

-

58

60

 61

Map

Site

Location

Method

 '90

'91

'92

'93

'94

'95

'96

'97

'98

 '99 2000 '01 '02

Sweden/Svalbard

S1

Kapp Linne, Svalbard, PEAT [18]

78 03' N
13 37' E

100/T/B7

41

 37 38 55 39 41 54 52 59 55 58 80 68

S1

Kapp Linne, Svalbard, MINERAL [18]

78 03' N
13 37' E

100/T/B7

108

 95 99 120 107 104 108 103 116 105 110 91 86

S2

Abisko area; Sweden, PEAT [18]

68 20' N
18 50' E

100/T

 60 56 55 55 54 50 58 65 71 61 71 74 81

S2

Abisko area; Sweden, MINERAL[18]

68 20' N
18 50' E

100/T

 113 102 95 91 94 90 95 101 121 102 119 122 124

Map

Site

Location

Method

 '90

'91

'92

'93

'94

'95

'96

'97

'98

 '99 2000 '01 '02

Switzerland

CH1

Murtel-Corvatsch [27]

49 26' N
9 50' E

T/B31

 3.3

3.3

3.4

3.4

3.4

3.1

3.2

3.4

3.5

 3.4 3.4 3.5 3.4

CH2

Schilthorn  [27]

46 33' N
7 50' E

T/B14

 -

-

-

-

-

-

-

-

-

 4.4 4.9 nd nd

Map

Site

Location

Method

 '90

'91

'92

'93

'94

'95

'96

'97

'98

 '99 2000 '01 '02

United States (Alaska)

U1

Barrow Grid [19]

71 19' N
156 36' W

1000/T

-

-

22

30

35

35

36

37

41

 37 34 31 31

U2

Barrow, CRREL Plots [19]

71 19' N
156 35' W

10/T

-

23

23

29

34

34

35

37

40

 37 36 29 30

U3

Atqasuk [19]

70 27' N
157 24' W

1000/T

-

-

-

-

-

44

47

45

51

 49 43 40 42

U4

West Dock  [20]

70 22' N
148 33' W

100/T/B56

-

-

-

-

-

-

30

31

34

33

28

29

29

U4i

West Dock  [20]

70 22' N
148 33' W

T-i

42 

 31 21 22 23 22 22 25 33 30 26

U5

West Dock [19]

70 22' N
148 34' W

1000

-

-

-

48

55

51

55

52

58

51

 46 46 48

U6

Deadhorse [20]

70 10' N
148 28' W

100/T/B60

-

-

-

-

-

-

64

65

70

71

61

62

61

U6i

Deadhorse [20]

70 10' N
148 28' W

T-i

 65 52 45 52 57 55 56 61 69 70 61

U7

Betty Pingo [19]

70 17' N
148 52' W

1000/T

-

-

-

52

54

55

55

55

60

54

47

 48 50

U8

Franklin Bluff  [20]

69 41' N
148 43' W

100/T/B60

-

-

-

-

-

-

63

66

72

 66 55 58 55

U8i

Franklin Bluff  [20]

69 41' N
148 43' W

T-i

 69 60 61 67 68 67 59 65 79 70 60

U9

Happy Valley  [20]

69 10' N
148 50' W

100/T/B40

-

-

-

-

-

-

36

40

47

 44 *

U10

Happy Valley [19]

69 06' N
148 30' W

1000/T

-

-

-

44

45

43

43

48

48

44

40

 42 40

U11

Imnavait Creek [19]

68 30' N
149 30' W

1000/T

-

-

56

60

60

49

46

50

57

 48 45 48 37

U12

Toolik [19]

68 37' N
149 36' W

1000/T

-

-

-

-

-

45

47

49

54

 48 44 46 37

U13

Toolik LTER Transect [21]

68 37' N
149 36' W

P/T

36

28

40

46

36

43

33

46

44

45

38

 32 33

U14

Galbraith Lake [20]

68 29' N
149 30' W

100/T/B75

-

-

-

-

-

-

51

59

60

 56 * 46 39

U15

Chandalar Shelf [20]

68 04' N
149 35' W

30/T/B61

-

-

-

-

-

-

35

*

35

 36 32 32 24

U16

Old Man [20]

66 27' N
150 37' W

100/T/B63

-

-

-

-

-

-

33

37

44

 39 37

U17

Wickersham [22]

65 16' N
148 03' W

TT/P

43

41

42

45

44

47

36

40

43

39

 49 46 46

U18

Bonanza Creek LTER [22]

64 45' N
148 00' W

TT/P/T/B44

47

49

50

*

55

58

45

50

51

40

 59 59 56

U19

Pearl Creek [22]

64 54' N
147 48' W

TT/P

67

60

66

64

63

69

55

59

65

55

 58 59 61

U20

Drew Point [30]

70 52' N
153 55' W

T/B640

-

-

-

-

-

-

-

-

36

35

 32 30 tba

U21

Inigok [30]

70 00' N
153 06' W

T/B625

-

-

-

-

-

-

-

-

68

61

 43 41 tba

U22

Fish Creek [30]

70 20' N
152 03' W

T/B735

-

-

-

-

-

-

-

-

29

30

 29 28 tba

U23

Awuna [30]

69 10' N
158 01' W

T/B884

-

-

-

-

-

-

-

-

36

35

 32 34 tba

U24

Umiat [30]

69 24' N
152 09' W

T/B393

-

-

-

-

-

-

-

-

39

38

 32 32 tba

U25

Tunalik [30]

70 12' N
160 04' W

T/B556

-

-

-

-

-

-

-

-

47

48

 42 41 tba

U26A

Ivotuk (Sphag) [20]

68 29' N
155 45' W

100

-

-

-

-

-

-

-

-

57

50

 *

*

U26B

Ivotuk (MAT) [20]

68 29' N
155 45' W

100

-

-

-

-

-

-

-

-

61

49

 * *
U26C Ivotuk [20] 68 29' N
155 44' W

1000

 - - - - - - - - 63 67 55 51 47
U27 Council Grid [34]  64 50' N
163 42' W

1000

-

-

-

-

-

-

-

-

-

73

 53 71 53
U28 Kougarok [34]  65 27' N
164 37' W

1000

-

-

-

-

-

-

-

-

-

65

 47 56 52
   

LEGEND

Site Name: in red, donates area of ITEX project but not necessarily the same site; [__] = CALM/ITEX investigator, see list

Methods: 2-4 digit numbers refer to size of grid in meters (10,100,1000); Some sites have a combination of methods; P = single point probe or multiple points along transect; TT = thaw tube; T = interpolated thaw depth based on temperature profile, generally obtained by data logger, accuracy = +/- 10 cm; B = nearest borehole, number is depth in m.  tba = data being processed; I = Inactive.

Data: dash (-) = site not yet established; * = no data collected from site that year; # = Russian 1000-m grids in 1997 only; all other data from 100-m grids.  [ ] = Canadian sites with 100-m grids; For sites with boreholes >2m, interpolated thaw reported in 0.1 m; T-i - interpolated active layer values from closely spaced soil temperature measurements. 

Data compiled by Jerry Brown and Ken Hinkel

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