Individual gauge results

 

 
                                          

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This table summarizes the thickness gauge results. These are beta data and in some cases are still being interpreted. Please use judgment and caution when examining the results. Some errors are apparent in the data. For example, surface accretion in the summer is not real; it results from uncertainty in defining the position of the surface. Similarly, there is "noise" in some of the ice bottom measurements. This can be due to operator error, a gauge getting stuck, or a block on the underside of the ice moving. In some cases, this "noise" is real. For example,  false bottoms can form on the underside of the ice giving an apparent increase in thickness during the ablation season. In addition to this table, there are links to plots summarizing the results from individual gauges.

(Depths and thicknesses are in cm. MY - multiyear ice, MP -melt pond, FY - first-year ice.)

Gauge

Site

Ice type

Snow May

Initial ice thickness

Maximum ice thickness

Final ice thickness

Pond depth

Total growth

Surface melt

Bottom melt

Net year

Date initial

Date maximum

Date final

53

Pittsburgh

MY

30

226

278

158

-

52

-77

-44

-66

25-Oct-97

6-Jun-98

22-Sep-98

69

Pittsburgh

MY

45

167

240

137

-

73

-60

-43

-18

25-Oct-97

3-Jun-98

22-Sep-98

71

Pittsburgh

MY

22

212

278

168

-

66

-76

-34

-41

25-Oct-97

1-Jun-98

22-Sep-98

59

Pittsburgh

MY

22

189

 -

146

-

 -

-88

-43

-43

25-Oct-97

6-Jun-98

14-Sep-98

250

Pittsburgh

MY

29

 -

260

152

-

 -

-74

-34

-

2-May-98

6-Jun-98

22-Sep-98

83

Main

MP

30

136

197

37

40

62

106

-55

-99

30-Oct-97

2-Jun-98

17-Aug-98

80

Main

MY

31

123

188

84

-

65

-47

-58

-39

30-Oct-97

6-Jun-98

28-Sep-98

27

Main

MY

47

130

195

115

-

65

-45

-36

-15

30-Oct-97

6-Jun-98

6-Oct-98

140

Main

MY

48

185

238

141

-

53

-51

-46

-44

30-Oct-97

2-Jun-98

6-Oct-98

84

Main

MY

45

204

256

161

-

52

-53

-43

-43

30-Oct-97

6-Jun-98

6-Oct-98

16

Main

MY

97

144

193

125

-

49

-28

-40

-19

30-Oct-97

26-Jun-98

6-Oct-98

120

Main

MY

91

150

187

126

-

37

-23

-38

-24

30-Oct-97

14-Jun-98

6-Oct-98

92

Main

MP

58

148

202

99

36

54

-97

-55

-49

30-Oct-97

6-Jun-98

25-Aug-98

101

Main

MY/MP

29

151

215

71

38

64

-106

-45

-81

30-Oct-97

6-Jun-98

25-Aug-98

86

Main

MP

32

145

215

40

24

70

-108

-67

-105

30-Oct-97

6-Jun-98

13-Aug-98

105

Main

MY

29

143

218

131

-

76

-58

-29

-12

30-Oct-97

6-Jun-98

13-Aug-98

22

Main

MP

24

130

205

42

28

75

-105

-59

-89

30-Oct-97

2-Jun-98

13-Aug-98

122

Main

MY

32

111

177

84

-

67

-52

-42

-27

30-Oct-97

6-Jun-98

13-Aug-98

10

Main

MY

30

140

182

97

-

42

-54

-31

-43

30-Oct-97

2-Jun-98

13-Aug-98

2

Main

MY

37

145

191

110

-

46

-50

-37

-35

30-Oct-97

6-Jun-98

13-Aug-98

123

Main

MY

10

195

259

154

-

64

-65

-40

-41

30-Oct-97

6-Jun-98

13-Aug-98

24

Quebec 1

MY

38

90

146

87

-

56

-48

-12

-3

25-Oct-97

2-Jun-98

20-Jul-98

56

Quebec 1

MY

32

86

161

71

-

67

-51

-44

-16

25-Oct-97

2-Jun-98

17-Aug-98

49

Quebec 1

MY

37

88

163

62

-

75

-48

-53

-26

25-Oct-97

2-Jun-98

22-Aug-98

321

Quebec 1

MY

-

-

144

29

-

-

-53

-62

-

20-Jun-98

-

17-Aug-98

12

Quebec 2

MY

12

175

252

123

-

77

-75

-54

-52

25-Oct-97

6-Jun-98

28-Sep-98

48

Quebec 2

MY

13

173

253

125

-

80

-68

-60

-49

25-Oct-97

10-Jun-98

28-Sep-98

99

Quebec 2

MY

9

177

254

147

-

77

-71

-36

-30

25-Oct-97

10-Jun-98

28-Sep-98

320

Quebec 2

MY

-

-

243

138

-

-

-57

-48

-

20-Jun-98

-

28-Sep-98

139

Que. Lead

FY

43

157

162

-

-

5

-

-

0

18-Apr-98

2-Jun-98

22-Jun-98

202

Que. Lead

FY/MP

18

100

103

33

-

3

-53

-4

0

19-Apr-98

2-Jun-98

4-Jul-98

203

Que. Lead

FY/MP

13

98

107

45

-

10

-53

-11

0

19-Apr-98

2-Jun-98

4-Jul-98

85

Seattle

MY

42

131

189

90

-

58

-45

-54

-41

30-Oct-97

25-May-98

6-Oct-98

65

Seattle

MY

61

102

146

52

-

44

-27

-67

-50

30-Oct-97

6-Jun-98

6-Oct-98

13

Seattle

MP

51

128

182

100

29

54

-65

-17

-28

30-Oct-97

2-Jun-98

24-Jul-98

117

Seattle

MP

52

129

164

44

32

36

-76

-45

-85

30-Oct-97

2-Jun-98

9-Aug-98

76

Seattle

MY

58

95

152

52

-

57

-40

-61

-44

30-Oct-97

10-Jun-98

6-Oct-98

8

Seattle

MY

61

90

153

36

-

64

-28

-89

-54

30-Oct-97

14-Jun-98

6-Oct-98

35

Seattle

MY

65

112

155

88

-

43

-25

-42

-24

30-Oct-97

18-Jun-98

9-Aug-98

50

Seattle

MP

60

121

174

56

21

53

-62

-56

-65

30-Oct-97

18-Jun-98

6-Oct-98

38

Seattle

MY

-

150

210

210

-

60

-

-

-

30-Oct-97

-

16-Mar-98

103

Seattle

MY

-

76

148

148

-

72

-

-

-

30-Oct-97

-

16-Mar-98

44

Seattle

MY

1

209

275

157

-

66

-79

-40

-53

30-Oct-97

2-Jun-98

17-Aug-98

78

Seattle

MY

43

154

219

132

-

65

-55

-32

-22

30-Oct-97

2-Jun-98

17-Aug-98

118

Seattle

MY

3

225

296

190

-

71

-68

-39

-36

30-Oct-97

2-Jun-98

17-Aug-98

15

Seattle

MP

48

118

154

23

38

36

-86

-45

-95

30-Oct-97

2-Jun-98

13-Aug-98

89

Seattle

MP

42

133

177

48

35

45

-82

-48

-85

30-Oct-97

2-Jun-98

5-Aug-98

142

Seattle

MP

45

123

178

48

34

56

-86

-51

-75

30-Oct-97

2-Jun-98

13-Aug-98

7

Seattle

MY

45

95

155

75

-

60

-44

-37

-21

30-Oct-97

2-Jun-98

6-Oct-98

39

Seattle

MP

42

99

165

42

37

66

-87

-36

-57

30-Oct-97

2-Jun-98

13-Aug-98

34

Seattle

MP

31

146

209

67

36

64

-93

-49

-79

30-Oct-97

2-Jun-98

13-Aug-98

45

Seattle

MY

25

231

283

185

-

53

-58

-40

-46

30-Oct-97

2-Jun-98

6-Oct-98

30

Seattle

MY

5

315

-

-

Frozen

-

-96

-

-

30-Oct-97

-

6-Oct-98

33

Seattle

MY

24

241

-

277

-

-

-73

-

-

30-Oct-97

-

6-Oct-98

1

Seattle

MY

36

211

271

153

-

60

-65

-54

-59

30-Oct-97

2-Jun-98

6-Oct-98

87

Seattle

MY

30

268

296

196

-

28

-59

-42

-72

30-Oct-97

2-Jun-98

6-Oct-98

306

Seattle

MY

-

226

-

122

-

-

-58

-46

-

12-Jun-98

-

2-Sep-98

307

Seattle

MY

-

231

-

91

-

-

-87

-53

-

12-Jun-98

-

17-Aug-98

308

Seattle

MP

-

295

-

117

40

-

-84

-84

-

12-Jun-98

-

17-Aug-98

309

Seattle

MP

-

263

-

77

54

-

-79

-107

-

12-Jun-98

-

6-Oct-98

310

Seattle

MY

-

219

-

98

-

-

-56

-64

-

12-Jun-98

-

6-Oct-98

29

Ridge

MY

3

243

310

177

-

67

-79

-55

-67

29-Oct-97

18-Apr-98

7-Oct-98

77

Ridge

MY

13

285

-

-

-

-

-85

-

-

29-Oct-97

-

7-Oct-98

75

Ridge

MP

51

412

413

254

12

1

85

-116

-159

29-Oct-97

14-Jan-98

7-Oct-98

79

Ridge

MY

29

278

-

-

-

-

-70

-

-

29-Oct-97

-

7-Oct-98

9

Ridge

MY

32

268

378

245

-

110

-64

-69

-23

29-Oct-97

2-Jun-98

7-Oct-98

81

Ridge

MP

40

588

588

251

26

0

-109

-277

-337

29-Oct-97

29-Oct-97

7-Oct-98

32

Ridge

MP

70

526

526

367

0

0

-69

-91

-160

29-Oct-97

29-Oct-97

7-Oct-98

70

Ridge

MY

34

473

473

296

-

0

-75

-99

-177

29-Oct-97

29-Oct-97

7-Oct-98

41

Ridge

MY

38

749

-

-

-

-

-67

-

-

29-Oct-97

-

7-Oct-98

47

Ridge

MY

49

762

-

-

-

-

-89

-

-

29-Oct-97

-

7-Oct-98

55

Ridge

MY

78

624

624

377

-

0

-71

-177

-248

29-Oct-97

29-Oct-97

7-Oct-98

73

Ridge

MY

58

609

-

-

-

-

-70

-

-

29-Oct-97

-

7-Oct-98

31

Ridge

MY

87

475

475

325

-

0

-51

-99

-150

29-Oct-97

29-Oct-97

7-Oct-98

26

Ridge

MY

76

540

546

322

-

6

-52

-166

-218

29-Oct-97

14-Jan-98

7-Oct-98

61

Ridge

MY

67

324

-

-

-

-

-51

-

-

29-Oct-97

-

7-Oct-98

57

Ridge

MY

83

252

294

215

-

42

-50

-29

-38

29-Oct-97

6-Jun-98

7-Oct-98

21

Ridge

MP

60

178

245

110

0

67

-91

-44

-68

29-Oct-97

6-Jun-98

7-Oct-98

58

Ridge

MY

0

292

340

213

-

48

-94

-33

-79

29-Oct-97

6-Jun-98

7-Oct-98

82

Ridge

MY

41

162

210

87

-

48

-58

-65

-75

29-Oct-97

2-Jun-98

7-Oct-98

68

Ridge

MP

39

178

222

80

36

44

-107

-59

-99

29-Oct-97

2-Jun-98

7-Oct-98

4

Baltimore

FY

49

48

145

-

-

97

-

-

-

26-Oct-97

28-May-98

4-Jun-98

28

Baltimore

FY

37

49

143

130

-

94

-7

-6

-

26-Oct-97

28-May-98

29-Jun-98

52

Baltimore

FY

55

50

141

-

-

91

-

-

-

26-Oct-97

4-Jun-98

18-Jun-98

148

Baltimore

FY

32

50

154

99

-

104

-45

-10

50

26-Oct-97

28-May-98

30-Jul-98

11

Baltimore

FY

19

37

109

-

-

72

-

-

-

26-Oct-97

28-May-98

18-Jun-98

37

Baltimore

FY

67

48

112

71

-

65

-33

-41

24

26-Oct-97

28-May-98

29-Jun-98

51

Baltimore

MY

38

384

408

316

-

24

-55

-37

-69

26-Oct-97

28-May-98

14-Sep-98

72

Baltimore

MY

23

368

402

291

-

34

-65

-46

-77

26-Oct-97

28-May-98

14-Sep-98

63

Baltimore

MY

60

132

201

107

-

69

-55

-39

-25

26-Oct-97

4-Jun-98

14-Sep-98

133

Baltimore

MY

55

250

292

180

-

42

-62

-50

-70

26-Oct-97

28-May-98

14-Sep-98

137

Baltimore

MY

-

103

-

130

-

-

-

-

-

26-Oct-97

-

13-Jan-98

54

Baltimore

MY

-

168

-

204

-

-

-

-

-

26-Oct-97

-

14-Jan-98

WRL1

Doghouse

MY

14

267

267

164

-

-

-53

-51

-

29-May-98

29-May-98

5-Oct-98

WRL2

Doghouse

MY

56

170

170

86

-

-

-44

-40

-

29-May-98

29-May-98

5-Oct-98

WRL3

Doghouse

MY

33

302

302

176

-

-

-57

-69

-

29-May-98

29-May-98

5-Oct-98

WRL4

Doghouse

MY

25

255

255

158

-

-

-49

-49

-

29-May-98

29-May-98

5-Oct-98

119

Atlanta

MY

26

83

166

140

-10

5

-59

-

57

26-Oct-97

3-Jun-98

24-Jun-98

23

Atlanta

MY

21

130

210

96

0

80

-65

-49

-34

26-Oct-97

29-May-98

5-Oct-98

64

Atlanta

MY

28

74

159

134

-8

85

-16

-9

60

26-Oct-97

27-May-98

28-Jun-98

141

Atlanta

MY

24

87

166

46

-32

79

-100

-26

-41

26-Oct-97

27-May-98

28-Jun-98

149

Atlanta

MY

25

160

228

65

-26

68

-93

-72

-95

26-Oct-97

3-Jun-98

5-Oct-98

128

Atlanta

MY

41

150

203

105

0

53

-55

-44

-45

26-Oct-97

3-Jun-98

5-Oct-98

74

Atlanta

MY

47

93

141

75

0

48

-50

-17

-18

26-Oct-97

3-Jun-98

5-Oct-98

132

Atlanta

MY

25

145

212

71

-19

67

-79

-62

-74

26-Oct-97

3-Jun-98

5-Oct-98

25

Atlanta

MY

21

140

219

74

-35

79

-98

-48

-66

26-Oct-97

3-Jun-98

15-Aug-98

121

Atlanta

MY

49

141

220

114

0

79

-50

-56

-27

26-Oct-97

3-Jun-98

5-Oct-98

300

Sarah's Lake

FY

0

170

170

26

0

0

-52

-93

-144

7-Jun-98

7-Jun-98

29-Aug-98

301

Sarah's Lake

FY

0

170

170

35

-

0

-50

-85

-135

7-Jun-98

7-Jun-98

6-Oct-98

302

Sarah's Lake

FY

0

163

163

31

-

0

50

-82

-132

7-Jun-98

7-Jun-98

28-Sep-98

303

Sarah's Lake

FY

0

167

167

45

0

0

-50

-72

-122

7-Jun-98

7-Jun-98

6-Oct-98

304

Sarah's Lake

FY

0

167

167

99

0

0

-36

-32

-68

7-Jun-98

7-Jun-98

26-Jul-98

305

Sarah's Lake

FY

0

170

170

86

0

0

-57

-27

-84

7-Jun-98

7-Jun-98

6-Oct-98

36

Tuk

MY

95

279

315

203

0

36

-20

-92

-76

27-Oct-97

12-Apr-98

5-Oct-98

19

Tuk

MY

93

219

232

194

0

13

-8

-30

-26

27-Oct-97

26-Apr-98

5-Oct-98

3

Tuk

MY

88

119

-

131

0

-

-23

-

-

27-Oct-97

-

5-Oct-98

127

Tuk

MY

-

125

-

138

0

-

-

-

-

27-Oct-97

-

5-Oct-98

116

Tuk

MY

-

123

-

137

0

-

-

-

14

27-Oct-97

-

5-Oct-98

200

Tuk

MY

45

206

207

92

0

1

-59

-56

-114

12-Apr-98

3-Jun-98

5-Oct-98

201

Tuk

MY

22

248

249

141

0

1

-58

-50

-107

12-Apr-98

28-May-98

5-Oct-98

6

Tuk

MP

46

224

252

83

45

28

-85

-84

-141

27-Oct-97

16-Jun-98

5-Oct-98

46

Tuk

MY

25

324

356

229

0

32

-82

-46

-95

27-Oct-97

3-Jun-98

5-Oct-98

107

Tuk

MY

42

230

281

185

0

51

-52

-44

-45

27-Oct-97

3-Jun-98

5-Oct-98

60

Tuk

MY

30

325

360

229

0

35

-79

-52

-96

27-Oct-97

3-Jun-98

5-Oct-98

66

Tuk

MY

18

310

349

226

0

39

-73

-50

-84

27-Oct-97

3-Jun-98

5-Oct-98

40

Tuk

MP

70

204

217

137

25

13

-40

-40

-67

27-Oct-97

2-Jan-98

5-Oct-98

90

Tuk

MY

69

210

249

160

0

39

-45

-44

-50

27-Oct-97

3-Jun-98

5-Oct-98

67

Tuk

MP

72

181

207

152

16

26

-48

-7

-29

27-Oct-97

12-Jun-98

5-Oct-98

91

Tuk

MP

65

225

235

110

0

10

-62

-63

-115

27-Oct-97

13-May-98

5-Oct-98

43

Tuk

MY

50

274

294

144

0

20

-62

-89

-130

27-Oct-97

13-May-98

5-Oct-98

17

Tuk

MY

22

348

376

208

0

28

-85

-83

-140

27-Oct-97

13-May-98

5-Oct-98

136

Tuk

MY

48

312

339

237

0

27

-49

-53

-75

27-Oct-97

13-May-98

5-Oct-98

42

Tuk

MY

60

311

-

241

-

-

-47

-

-70

27-Oct-97

-

5-Oct-98

18

Tuk

MY

60

305

-

231

-

-

-59

-

-74

27-Oct-97

-

5-Oct-98

36

Tuk

MY

95

279

315

203

-

36

-20

-92

-76

27-Oct-97

12-Apr-98

5-Oct-98