Table 1 Meteorological, growing season, and carbon cycling variability from 2008 through 2014

From: Evidence for non-steady-state carbon emissions from snow-scoured alpine tundra

Year

1 Jun–31 Aug Ta (°C)

1 Sep–31 May Ta (°C)

MAAT (°C)

1 Apr–15 Jun PPT (mm)

16 Jun–15 Sep PPT (mm)

TAP (mm)

2008

9.2

−5.5

−1.8

279

220

1119

2009

8.2

−4.7

−1.5

211

124

916

2010

9.5

−4.3

−0.8

268

128

1046

2011

10.0

−5.3

−1.4

281

333

1307

2012

11.0

−3.3

0.3

86

275

846

2013

10.0

−5.4

−1.5

149

252

956

2014

8.6

−4.4

−1.1

156

186

869

Mean

9.5

−4.7

−1.1

204

217

1008

SD

0.9

0.8

0.7

76

77

163

Year

GS start (doy)

GS end (doy)

GSL (d)

GS GPP (g C m−2)

GS Reco (g C m−2)

NEE (g C m−2)

2008

166 ± 4

241 ± 11

80 ± 16

123.8

68.5

177.4

2009

171 ± 4

238 ± 22

74 ± 29

115.0

60.1

194.1

2010

168 ± 4

232 ± 15

69 ± 17

106.3

53.0

177.1

2011

170 ± 18

242 ± 11

77 ± 25

122.0

66.4

261.5

2012

163 ± 12

242 ± 9

81 ± 17

126.5

72.2

224.1

2013

159 ± 8

241 ± 9

87 ± 17

126.1

73.7

314.0

2014

169 ± 15

233 ± 17

69 ± 28

107.8

53.5

278.7

Mean

167 ± 11

238 ± 13

77 ± 21

118.2

63.9

232.4

SD

4 ± 6

4 ± 5

7 ± 6

8.5

8.5

53.6

  1. Ta, air temperature; MAAT, mean annual air temperature; PPT, precipitation; TAP, total annual precipitation; GS, growing season; GSL, growing season length; doy, day of year; d, days; SD, standard deviation