EPICA Dome C Snowpit NO3 Data
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                NOAA Paleoclimatology Program
                               and
         World Data Center for Paleoclimatology, Boulder
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NOTE: PLEASE CITE ORIGINAL REFERENCE WHEN USING THIS DATA!!!!!


NAME OF DATA SET: EPICA Dome C Snowpit NO3 Data
LAST UPDATE: 6/2005 (Original Receipt by WDC Paleo)

CONTRIBUTORS: Regine Röthlisberger et al., Climate and Environmental Physics, 
University of Bern, Bern, Switzerland

IGBP PAGES/WDCA CONTRIBUTION SERIES NUMBER: 2005-047

SUGGESTED DATA CITATION: Röthlisberger, R. et al., 2005.
EPICA Dome C Snowpit NO3 Data. 
IGBP PAGES/World Data Center for Paleoclimatology 
Data Contribution Series #2005-047. 
NOAA/NGDC Paleoclimatology Program, Boulder CO, USA. 


ORIGINAL REFERENCES:  
Röthlisberger, R., M.A. Hutterli, S. Sommer, E.W. Wolff, and R. Mulvaney. 2000. 
Factors controlling nitrate in ice cores: Evidence from the Dome C deep ice core. 
J. Geophys. Res., 105 (D16), 20565-20572.

Röthlisberger, R., M. Bigler, M. Hutterli, S. Sommer, B. Stauffer, 
H.G. Junghans, and D. Wagenbach  2000.  
Technique for continuous high-resolution analysis of trace substances 
in firn and ice cores.  Environ. Sci. Technol., 34 (2), 338-342. 


GEOGRAPHIC REGION: Antarctica
PERIOD OF RECORD:  ~1925 - 1999 AD

DESCRIPTION:
Nitrate concentration in two pits from Dome C, Antarctica. 
Pit 1, location ca. 200 m from the main camp, sampled 31.12.98
Pit 2, location ca. 2 km from the main camp, sampled 3.1.99
In both pits, the top 43 samples were put into Schott bottles, all others in PE vials.
 
Location: Dome C, Antarctica, 75°06'S, 123°21'E, 3233m asl


Data: 
1.  Pit 1 NO3
Column 1: Mid-depth(cm)
Column 2: NO3(ppb)

Depth     NO3
  1.5   702.86
  4.5   117.48
  7.5    87.03
 10.5    70.79
 13.5    64.27
 16.5    45.14
 19.5    47.67
 22.5    50.76
 25.5    43.54
 28.5    44.08
 31.5    50.08
 34.5    33.02
 37.5    15.33
 40.5    13.77
 43.5    15.86
 46.5    14.04
 49.5    12.77
 52.5    13.45
 55.5    17.29
 58.5     9.63
 61.5     7.88
 64.5     8.67
 67.5      8.5
 70.5    11.03
 73.5    10.73
 76.5     9.08
 79.5    11.66
 82.5    10.22
 85.5     7.44
 88.5    11.48
 91.5    10.86
 94.5     9.94
 97.5    10.04
100.5     9.05
103.5     6.63
106.5    10.62
109.5      6.8
112.5      8.2
115.5    10.81
118.5     9.48
121.5     7.72
121.5     8.51
124.5     5.74
124.5     5.83
127.5    55.52
127.5     7.54
130.5     8.26
133.5     8.45
136.5     8.54
139.5    10.88
142.5    12.08
145.5      8.3
148.5    10.06
151.5     9.01
154.5    10.61
157.5    10.22
160.5     8.17
163.5    10.12
166.5     9.95
169.5     9.36
172.5    10.13
175.5    10.97
178.5     9.98
181.5    10.63
184.5     9.61
187.5    10.79
190.5    13.49
193.5    16.94
196.5    17.19
199.5       14
202.5    14.13
205.5     14.4
208.5    13.02
211.5    13.53
214.5    12.94
217.5    14.13
220.5    15.23
223.5    12.17
226.5    11.11
229.5    14.62
232.5     14.2
235.5    14.29
238.5    15.67
241.5    15.38
244.5    15.39
247.5    16.18
250.5    14.34
253.5    18.05
256.5    17.58
259.5    17.19
262.5    17.44
265.5    19.02
268.5    19.49
271.5     16.4
274.5    17.37
277.5    16.46
280.5    15.09
283.5    13.09
286.5    15.91
289.5    17.15
292.5     15.7
295.5    14.91
298.5    14.38
301.5     13.8
304.5    15.99
307.5    18.34
310.5    17.64
313.5    16.05
316.5    14.77
319.5    15.11
322.5    13.84
325.5    14.29
328.5    15.73
331.5    11.53
334.5    14.35
337.5    13.78
340.5    16.57
343.5    17.34
346.5    16.11
349.5    13.68
352.5    20.27
355.5    22.33
358.5    17.05
361.5    14.65
364.5    25.31
367.5    14.27
370.5     16.5
373.5     15.2
376.5    16.82
379.5    14.22
382.5    20.56
385.5    16.79
388.5    15.56
391.5    14.82
394.5    16.13
397.5     18.2
400.5    18.84
403.5    16.08
406.5    17.28
409.5    15.55
412.5    12.76
415.5    17.43
418.5    14.89
421.5    15.17
424.5    15.48
427.5    15.37
430.5    17.26
433.5    15.88
436.5    20.76
439.5    14.07
442.5    16.16
445.5    13.57
448.5    19.37
451.5    16.82
454.5    21.17
457.5    21.64
460.5    23.13
463.5    18.24
466.5    17.98
469.5    19.53
472.5    19.52
475.5    22.62
478.5     19.4
481.5    18.37
484.5    19.54
487.5    19.71
490.5    18.63
493.5    16.37
496.5    18.34
499.5       23
502.5    20.84
505.5    17.85
508.5    17.06
511.5    16.73
514.5    17.94
517.5    17.94
520.5    21.48
523.5    26.08
526.5    16.59
529.5    16.16
532.5    18.32
535.5    18.59
538.5    17.52
541.5    17.58
544.5    26.82
547.5    20.09
550.5    21.92
553.5    17.63
556.5    18.71
559.5     18.1
562.5    21.38
565.5    22.89
568.5    20.06
571.5    15.58
574.5    16.88
577.5    17.03
580.5    13.16
583.5    15.53
586.5    24.38
589.5    23.98
592.5    13.68
595.5    17.31
598.5    14.96


2.  Pit 2 NO3
Column 1: Mid-depth(cm)
Column 2: NO3(ppb)

Depth     NO3
  0.5    862.37
  1.5    752.02
  2.5    770.34
  3.5    622.53
  4.5    429.08
  5.5    363.66
  6.5    303.76
  7.5    239.33
  8.5     60.65
  9.5     30.12
 10.5     28.41
 11.5     23.36
 12.5     23.26
 13.5     36.63
 14.5     20.54
 15.5     19.74
 16.5     19.69
 17.5     23.57
 18.5     18.17
 19.5     19.12
 20.5     19.74
 21.5     20.07
 22.5     21.28
 23.5     22.33
 24.5     24.96
 25.5     23.89
 26.5     26.88
 27.5     31.47
 28.5     37.46
 29.5     32.87
   31     30.94
   33     24.03
   35     27.11
   37     24.61
   39     29.38
   41     26.69
   43     24.56
   45     26.08
   47     23.74
   49     20.72
 52.5     17.76
 57.5     15.91
 62.5     13.67
 67.5     10.22
 72.5     11.01
 77.5      7.18
 82.5      9.72
 87.5      7.19
 92.5      8.43
 97.5      6.67
102.5      7.97
107.5     10.46
112.5       9.9
117.5      9.75