Research article
| Highlight paper
|
01 Apr 2021
Research article |
Highlight paper |
|
01 Apr 2021
Airborne measurements of oxygen concentration from the surface to the lower stratosphere and pole to pole
Britton B. Stephens , Eric J. Morgan , Jonathan D. Bent , Ralph F. Keeling , Andrew S. Watt , Stephen R. Shertz , and Bruce C. Daube
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Total article views: 5,496 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
Supplement
BibTeX
EndNote
4,194
1,179
123
5,496
393
120
136
HTML: 4,194
PDF: 1,179
XML: 123
Total: 5,496
Supplement: 393
BibTeX: 120
EndNote: 136
Views and downloads (calculated since 28 Aug 2020)
Month
HTML
PDF
XML
Total
Aug 2020
70
31
3
104
Sep 2020
78
19
2
99
Oct 2020
32
11
1
44
Nov 2020
18
9
0
27
Dec 2020
15
7
1
23
Jan 2021
10
10
0
20
Feb 2021
12
4
0
16
Mar 2021
14
5
0
19
Apr 2021
364
71
2
437
May 2021
131
46
3
180
Jun 2021
105
30
1
136
Jul 2021
95
38
2
135
Aug 2021
69
40
2
111
Sep 2021
62
30
0
92
Oct 2021
53
69
0
122
Nov 2021
52
59
1
112
Dec 2021
61
49
1
111
Jan 2022
68
53
0
121
Feb 2022
55
13
2
70
Mar 2022
60
5
2
67
Apr 2022
49
11
1
61
May 2022
59
18
0
77
Jun 2022
42
13
0
55
Jul 2022
61
11
1
73
Aug 2022
68
19
4
91
Sep 2022
62
13
1
76
Oct 2022
50
4
3
57
Nov 2022
50
9
5
64
Dec 2022
38
11
4
53
Jan 2023
54
18
3
75
Feb 2023
60
7
6
73
Mar 2023
41
12
3
56
Apr 2023
38
7
0
45
May 2023
53
11
3
67
Jun 2023
45
11
1
57
Jul 2023
52
15
2
69
Aug 2023
55
10
2
67
Sep 2023
147
14
1
162
Oct 2023
216
13
3
232
Nov 2023
24
4
0
28
Dec 2023
94
10
1
105
Jan 2024
52
13
1
66
Feb 2024
22
10
2
34
Mar 2024
23
21
2
46
Apr 2024
29
13
5
47
May 2024
23
7
6
36
Jun 2024
45
10
2
57
Jul 2024
470
18
5
493
Aug 2024
42
8
4
54
Sep 2024
19
3
0
22
Oct 2024
64
7
6
77
Nov 2024
14
7
1
22
Dec 2024
15
10
0
25
Jan 2025
22
23
0
45
Feb 2025
26
11
2
39
Mar 2025
25
13
0
38
Apr 2025
36
27
1
64
May 2025
40
13
2
55
Jun 2025
39
18
2
59
Jul 2025
30
21
4
55
Aug 2025
39
18
2
59
Sep 2025
253
23
2
278
Oct 2025
33
22
1
56
Nov 2025
51
23
6
80
Cumulative views and downloads
(calculated since 28 Aug 2020)
Month
HTML views
PDF downloads
XML downloads
Aug 2020
70
31
3
104
Sep 2020
148
50
5
203
Oct 2020
180
61
6
247
Nov 2020
198
70
6
274
Dec 2020
213
77
7
297
Jan 2021
223
87
7
317
Feb 2021
235
91
7
333
Mar 2021
249
96
7
352
Apr 2021
613
167
9
789
May 2021
744
213
12
969
Jun 2021
849
243
13
1,105
Jul 2021
944
281
15
1,240
Aug 2021
1,013
321
17
1,351
Sep 2021
1,075
351
17
1,443
Oct 2021
1,128
420
17
1,565
Nov 2021
1,180
479
18
1,677
Dec 2021
1,241
528
19
1,788
Jan 2022
1,309
581
19
1,909
Feb 2022
1,364
594
21
1,979
Mar 2022
1,424
599
23
2,046
Apr 2022
1,473
610
24
2,107
May 2022
1,532
628
24
2,184
Jun 2022
1,574
641
24
2,239
Jul 2022
1,635
652
25
2,312
Aug 2022
1,703
671
29
2,403
Sep 2022
1,765
684
30
2,479
Oct 2022
1,815
688
33
2,536
Nov 2022
1,865
697
38
2,600
Dec 2022
1,903
708
42
2,653
Jan 2023
1,957
726
45
2,728
Feb 2023
2,017
733
51
2,801
Mar 2023
2,058
745
54
2,857
Apr 2023
2,096
752
54
2,902
May 2023
2,149
763
57
2,969
Jun 2023
2,194
774
58
3,026
Jul 2023
2,246
789
60
3,095
Aug 2023
2,301
799
62
3,162
Sep 2023
2,448
813
63
3,324
Oct 2023
2,664
826
66
3,556
Nov 2023
2,688
830
66
3,584
Dec 2023
2,782
840
67
3,689
Jan 2024
2,834
853
68
3,755
Feb 2024
2,856
863
70
3,789
Mar 2024
2,879
884
72
3,835
Apr 2024
2,908
897
77
3,882
May 2024
2,931
904
83
3,918
Jun 2024
2,976
914
85
3,975
Jul 2024
3,446
932
90
4,468
Aug 2024
3,488
940
94
4,522
Sep 2024
3,507
943
94
4,544
Oct 2024
3,571
950
100
4,621
Nov 2024
3,585
957
101
4,643
Dec 2024
3,600
967
101
4,668
Jan 2025
3,622
990
101
4,713
Feb 2025
3,648
1,001
103
4,752
Mar 2025
3,673
1,014
103
4,790
Apr 2025
3,709
1,041
104
4,854
May 2025
3,749
1,054
106
4,909
Jun 2025
3,788
1,072
108
4,968
Jul 2025
3,818
1,093
112
5,023
Aug 2025
3,857
1,111
114
5,082
Sep 2025
4,110
1,134
116
5,360
Oct 2025
4,143
1,156
117
5,416
Nov 2025
4,194
1,179
123
5,496
Total article views: 4,820 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
Supplement
BibTeX
EndNote
3,880
835
105
4,820
204
95
124
HTML: 3,880
PDF: 835
XML: 105
Total: 4,820
Supplement: 204
BibTeX: 95
EndNote: 124
Views and downloads (calculated since 01 Apr 2021)
Month
HTML
PDF
XML
Total
Apr 2021
357
65
2
424
May 2021
124
41
3
168
Jun 2021
104
24
1
129
Jul 2021
93
33
2
128
Aug 2021
67
35
2
104
Sep 2021
58
27
0
85
Oct 2021
53
62
0
115
Nov 2021
51
50
1
102
Dec 2021
60
45
1
106
Jan 2022
65
48
0
113
Feb 2022
54
7
2
63
Mar 2022
59
4
1
64
Apr 2022
49
8
1
58
May 2022
56
8
0
64
Jun 2022
38
7
0
45
Jul 2022
61
9
1
71
Aug 2022
68
12
4
84
Sep 2022
62
6
1
69
Oct 2022
50
3
3
56
Nov 2022
48
3
5
56
Dec 2022
36
4
2
42
Jan 2023
53
9
3
65
Feb 2023
60
5
6
71
Mar 2023
41
8
0
49
Apr 2023
38
7
0
45
May 2023
51
7
1
59
Jun 2023
45
8
1
54
Jul 2023
50
11
2
63
Aug 2023
55
8
2
65
Sep 2023
146
14
1
161
Oct 2023
216
13
3
232
Nov 2023
24
4
0
28
Dec 2023
94
7
1
102
Jan 2024
52
10
1
63
Feb 2024
22
7
2
31
Mar 2024
23
16
2
41
Apr 2024
29
7
5
41
May 2024
22
7
6
35
Jun 2024
44
6
2
52
Jul 2024
469
3
4
476
Aug 2024
39
4
4
47
Sep 2024
19
1
0
20
Oct 2024
64
6
6
76
Nov 2024
14
3
1
18
Dec 2024
15
4
0
19
Jan 2025
22
16
0
38
Feb 2025
22
9
2
33
Mar 2025
24
11
0
35
Apr 2025
36
19
0
55
May 2025
39
12
2
53
Jun 2025
37
13
2
52
Jul 2025
30
19
4
53
Aug 2025
38
8
2
48
Sep 2025
253
15
2
270
Oct 2025
32
19
1
52
Nov 2025
49
18
5
72
Cumulative views and downloads
(calculated since 01 Apr 2021)
Month
HTML views
PDF downloads
XML downloads
Apr 2021
357
65
2
May 2021
481
106
5
Jun 2021
585
130
6
Jul 2021
678
163
8
Aug 2021
745
198
10
Sep 2021
803
225
10
Oct 2021
856
287
10
Nov 2021
907
337
11
Dec 2021
967
382
12
Jan 2022
1,032
430
12
Feb 2022
1,086
437
14
Mar 2022
1,145
441
15
Apr 2022
1,194
449
16
May 2022
1,250
457
16
Jun 2022
1,288
464
16
Jul 2022
1,349
473
17
Aug 2022
1,417
485
21
Sep 2022
1,479
491
22
Oct 2022
1,529
494
25
Nov 2022
1,577
497
30
Dec 2022
1,613
501
32
Jan 2023
1,666
510
35
Feb 2023
1,726
515
41
Mar 2023
1,767
523
41
Apr 2023
1,805
530
41
May 2023
1,856
537
42
Jun 2023
1,901
545
43
Jul 2023
1,951
556
45
Aug 2023
2,006
564
47
Sep 2023
2,152
578
48
Oct 2023
2,368
591
51
Nov 2023
2,392
595
51
Dec 2023
2,486
602
52
Jan 2024
2,538
612
53
Feb 2024
2,560
619
55
Mar 2024
2,583
635
57
Apr 2024
2,612
642
62
May 2024
2,634
649
68
Jun 2024
2,678
655
70
Jul 2024
3,147
658
74
Aug 2024
3,186
662
78
Sep 2024
3,205
663
78
Oct 2024
3,269
669
84
Nov 2024
3,283
672
85
Dec 2024
3,298
676
85
Jan 2025
3,320
692
85
Feb 2025
3,342
701
87
Mar 2025
3,366
712
87
Apr 2025
3,402
731
87
May 2025
3,441
743
89
Jun 2025
3,478
756
91
Jul 2025
3,508
775
95
Aug 2025
3,546
783
97
Sep 2025
3,799
798
99
Oct 2025
3,831
817
100
Nov 2025
3,880
835
105
Total article views: 676 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
Supplement
BibTeX
EndNote
314
344
18
676
189
25
12
HTML: 314
PDF: 344
XML: 18
Total: 676
Supplement: 189
BibTeX: 25
EndNote: 12
Views and downloads (calculated since 28 Aug 2020)
Month
HTML
PDF
XML
Total
Aug 2020
70
31
3
104
Sep 2020
78
19
2
99
Oct 2020
32
11
1
44
Nov 2020
18
9
0
27
Dec 2020
15
7
1
23
Jan 2021
10
10
0
20
Feb 2021
12
4
0
16
Mar 2021
14
5
0
19
Apr 2021
7
6
0
13
May 2021
7
5
0
12
Jun 2021
1
6
0
7
Jul 2021
2
5
0
7
Aug 2021
2
5
0
7
Sep 2021
4
3
0
7
Oct 2021
7
0
7
Nov 2021
1
9
0
10
Dec 2021
1
4
0
5
Jan 2022
3
5
0
8
Feb 2022
1
6
0
7
Mar 2022
1
1
1
3
Apr 2022
3
0
3
May 2022
3
10
0
13
Jun 2022
4
6
0
10
Jul 2022
2
0
2
Aug 2022
7
0
7
Sep 2022
7
0
7
Oct 2022
1
0
1
Nov 2022
2
6
0
8
Dec 2022
2
7
2
11
Jan 2023
1
9
0
10
Feb 2023
2
0
2
Mar 2023
4
3
7
Apr 2023
0
May 2023
2
4
2
8
Jun 2023
3
0
3
Jul 2023
2
4
0
6
Aug 2023
2
0
2
Sep 2023
1
0
1
Oct 2023
0
Nov 2023
0
Dec 2023
3
0
3
Jan 2024
3
0
3
Feb 2024
3
0
3
Mar 2024
5
0
5
Apr 2024
6
0
6
May 2024
1
0
1
Jun 2024
1
4
0
5
Jul 2024
1
15
1
17
Aug 2024
3
4
0
7
Sep 2024
2
0
2
Oct 2024
1
0
1
Nov 2024
4
0
4
Dec 2024
6
0
6
Jan 2025
7
0
7
Feb 2025
4
2
0
6
Mar 2025
1
2
0
3
Apr 2025
8
1
9
May 2025
1
1
0
2
Jun 2025
2
5
0
7
Jul 2025
2
0
2
Aug 2025
1
10
0
11
Sep 2025
8
0
8
Oct 2025
1
3
0
4
Nov 2025
2
5
1
8
Cumulative views and downloads
(calculated since 28 Aug 2020)
Month
HTML views
PDF downloads
XML downloads
Aug 2020
70
31
3
Sep 2020
148
50
5
Oct 2020
180
61
6
Nov 2020
198
70
6
Dec 2020
213
77
7
Jan 2021
223
87
7
Feb 2021
235
91
7
Mar 2021
249
96
7
Apr 2021
256
102
7
May 2021
263
107
7
Jun 2021
264
113
7
Jul 2021
266
118
7
Aug 2021
268
123
7
Sep 2021
272
126
7
Oct 2021
272
133
7
Nov 2021
273
142
7
Dec 2021
274
146
7
Jan 2022
277
151
7
Feb 2022
278
157
7
Mar 2022
279
158
8
Apr 2022
279
161
8
May 2022
282
171
8
Jun 2022
286
177
8
Jul 2022
286
179
8
Aug 2022
286
186
8
Sep 2022
286
193
8
Oct 2022
286
194
8
Nov 2022
288
200
8
Dec 2022
290
207
10
Jan 2023
291
216
10
Feb 2023
291
218
10
Mar 2023
291
222
13
Apr 2023
291
222
13
May 2023
293
226
15
Jun 2023
293
229
15
Jul 2023
295
233
15
Aug 2023
295
235
15
Sep 2023
296
235
15
Oct 2023
296
235
15
Nov 2023
296
235
15
Dec 2023
296
238
15
Jan 2024
296
241
15
Feb 2024
296
244
15
Mar 2024
296
249
15
Apr 2024
296
255
15
May 2024
297
255
15
Jun 2024
298
259
15
Jul 2024
299
274
16
Aug 2024
302
278
16
Sep 2024
302
280
16
Oct 2024
302
281
16
Nov 2024
302
285
16
Dec 2024
302
291
16
Jan 2025
302
298
16
Feb 2025
306
300
16
Mar 2025
307
302
16
Apr 2025
307
310
17
May 2025
308
311
17
Jun 2025
310
316
17
Jul 2025
310
318
17
Aug 2025
311
328
17
Sep 2025
311
336
17
Oct 2025
312
339
17
Nov 2025
314
344
18
Viewed (geographical distribution)
Total article views: 5,496 (including HTML, PDF, and XML)
Thereof 5,306 with geography defined
and 190 with unknown origin.
Total article views: 4,820 (including HTML, PDF, and XML)
Thereof 4,688 with geography defined
and 132 with unknown origin.
Total article views: 676 (including HTML, PDF, and XML)
Thereof 618 with geography defined
and 58 with unknown origin.
Total:
0
HTML:
0
PDF:
0
XML:
0
Total:
0
HTML:
0
PDF:
0
XML:
0
Total:
0
HTML:
0
PDF:
0
XML:
0
Latest update: 26 Nov 2025