Research article
|
24 Mar 2023
Research article |
|
24 Mar 2023
Short-term variability of atmospheric helium revealed through a cryo-enrichment method
Benjamin Birner , Eric Morgan , and Ralph F. Keeling
Viewed
Total article views: 2,029 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
Supplement
BibTeX
EndNote
1,364
585
80
2,029
169
102
129
HTML: 1,364
PDF: 585
XML: 80
Total: 2,029
Supplement: 169
BibTeX: 102
EndNote: 129
Views and downloads (calculated since 24 Aug 2022)
Month
HTML
PDF
XML
Total
Aug 2022
82
29
4
115
Sep 2022
50
16
3
69
Oct 2022
19
18
2
39
Nov 2022
28
17
3
48
Dec 2022
14
9
1
24
Jan 2023
24
10
2
36
Feb 2023
19
12
2
33
Mar 2023
122
31
5
158
Apr 2023
131
22
2
155
May 2023
35
13
3
51
Jun 2023
27
10
0
37
Jul 2023
18
21
1
40
Aug 2023
23
12
4
39
Sep 2023
23
17
2
42
Oct 2023
26
14
1
41
Nov 2023
2
5
0
7
Dec 2023
28
13
1
42
Jan 2024
17
6
0
23
Feb 2024
11
18
0
29
Mar 2024
21
19
4
44
Apr 2024
19
11
3
33
May 2024
22
10
6
38
Jun 2024
63
12
3
78
Jul 2024
47
5
4
56
Aug 2024
34
15
3
52
Sep 2024
8
4
0
12
Oct 2024
13
9
1
23
Nov 2024
18
4
1
23
Dec 2024
15
10
2
27
Jan 2025
18
19
0
37
Feb 2025
12
10
0
22
Mar 2025
24
19
1
44
Apr 2025
26
17
1
44
May 2025
23
7
2
32
Jun 2025
60
17
0
77
Jul 2025
41
18
6
65
Aug 2025
49
29
1
79
Sep 2025
110
19
3
132
Oct 2025
31
25
1
57
Nov 2025
11
13
2
26
Cumulative views and downloads
(calculated since 24 Aug 2022)
Month
HTML views
PDF downloads
XML downloads
Aug 2022
82
29
4
115
Sep 2022
132
45
7
184
Oct 2022
151
63
9
223
Nov 2022
179
80
12
271
Dec 2022
193
89
13
295
Jan 2023
217
99
15
331
Feb 2023
236
111
17
364
Mar 2023
358
142
22
522
Apr 2023
489
164
24
677
May 2023
524
177
27
728
Jun 2023
551
187
27
765
Jul 2023
569
208
28
805
Aug 2023
592
220
32
844
Sep 2023
615
237
34
886
Oct 2023
641
251
35
927
Nov 2023
643
256
35
934
Dec 2023
671
269
36
976
Jan 2024
688
275
36
999
Feb 2024
699
293
36
1,028
Mar 2024
720
312
40
1,072
Apr 2024
739
323
43
1,105
May 2024
761
333
49
1,143
Jun 2024
824
345
52
1,221
Jul 2024
871
350
56
1,277
Aug 2024
905
365
59
1,329
Sep 2024
913
369
59
1,341
Oct 2024
926
378
60
1,364
Nov 2024
944
382
61
1,387
Dec 2024
959
392
63
1,414
Jan 2025
977
411
63
1,451
Feb 2025
989
421
63
1,473
Mar 2025
1,013
440
64
1,517
Apr 2025
1,039
457
65
1,561
May 2025
1,062
464
67
1,593
Jun 2025
1,122
481
67
1,670
Jul 2025
1,163
499
73
1,735
Aug 2025
1,212
528
74
1,814
Sep 2025
1,322
547
77
1,946
Oct 2025
1,353
572
78
2,003
Nov 2025
1,364
585
80
2,029
Total article views: 1,365 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
Supplement
BibTeX
EndNote
1,024
281
60
1,365
96
88
112
HTML: 1,024
PDF: 281
XML: 60
Total: 1,365
Supplement: 96
BibTeX: 88
EndNote: 112
Views and downloads (calculated since 24 Mar 2023)
Month
HTML
PDF
XML
Total
Mar 2023
101
23
5
129
Apr 2023
129
12
2
143
May 2023
31
11
2
44
Jun 2023
24
9
0
33
Jul 2023
16
8
1
25
Aug 2023
22
10
4
36
Sep 2023
19
12
2
33
Oct 2023
23
9
1
33
Nov 2023
1
5
0
6
Dec 2023
26
6
1
33
Jan 2024
16
5
0
21
Feb 2024
8
13
0
21
Mar 2024
14
11
4
29
Apr 2024
12
8
3
23
May 2024
17
3
6
26
Jun 2024
58
10
3
71
Jul 2024
43
2
4
49
Aug 2024
31
11
3
45
Sep 2024
7
2
0
9
Oct 2024
13
6
1
20
Nov 2024
17
2
1
20
Dec 2024
15
5
2
22
Jan 2025
18
13
0
31
Feb 2025
10
3
0
13
Mar 2025
23
11
1
35
Apr 2025
20
7
1
28
May 2025
21
3
2
26
Jun 2025
57
11
0
68
Jul 2025
38
9
6
53
Aug 2025
49
9
1
59
Sep 2025
108
8
1
117
Oct 2025
28
13
1
42
Nov 2025
9
11
2
22
Cumulative views and downloads
(calculated since 24 Mar 2023)
Month
HTML views
PDF downloads
XML downloads
Mar 2023
101
23
5
Apr 2023
230
35
7
May 2023
261
46
9
Jun 2023
285
55
9
Jul 2023
301
63
10
Aug 2023
323
73
14
Sep 2023
342
85
16
Oct 2023
365
94
17
Nov 2023
366
99
17
Dec 2023
392
105
18
Jan 2024
408
110
18
Feb 2024
416
123
18
Mar 2024
430
134
22
Apr 2024
442
142
25
May 2024
459
145
31
Jun 2024
517
155
34
Jul 2024
560
157
38
Aug 2024
591
168
41
Sep 2024
598
170
41
Oct 2024
611
176
42
Nov 2024
628
178
43
Dec 2024
643
183
45
Jan 2025
661
196
45
Feb 2025
671
199
45
Mar 2025
694
210
46
Apr 2025
714
217
47
May 2025
735
220
49
Jun 2025
792
231
49
Jul 2025
830
240
55
Aug 2025
879
249
56
Sep 2025
987
257
57
Oct 2025
1,015
270
58
Nov 2025
1,024
281
60
Total article views: 664 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
Supplement
BibTeX
EndNote
340
304
20
664
73
14
17
HTML: 340
PDF: 304
XML: 20
Total: 664
Supplement: 73
BibTeX: 14
EndNote: 17
Views and downloads (calculated since 24 Aug 2022)
Month
HTML
PDF
XML
Total
Aug 2022
82
29
4
115
Sep 2022
50
16
3
69
Oct 2022
19
18
2
39
Nov 2022
28
17
3
48
Dec 2022
14
9
1
24
Jan 2023
24
10
2
36
Feb 2023
19
12
2
33
Mar 2023
21
8
0
29
Apr 2023
2
10
0
12
May 2023
4
2
1
7
Jun 2023
3
1
0
4
Jul 2023
2
13
0
15
Aug 2023
1
2
0
3
Sep 2023
4
5
0
9
Oct 2023
3
5
0
8
Nov 2023
1
0
1
Dec 2023
2
7
0
9
Jan 2024
1
1
0
2
Feb 2024
3
5
0
8
Mar 2024
7
8
0
15
Apr 2024
7
3
0
10
May 2024
5
7
0
12
Jun 2024
5
2
0
7
Jul 2024
4
3
0
7
Aug 2024
3
4
0
7
Sep 2024
1
2
0
3
Oct 2024
3
0
3
Nov 2024
1
2
0
3
Dec 2024
5
0
5
Jan 2025
6
0
6
Feb 2025
2
7
0
9
Mar 2025
1
8
0
9
Apr 2025
6
10
0
16
May 2025
2
4
0
6
Jun 2025
3
6
0
9
Jul 2025
3
9
0
12
Aug 2025
20
0
20
Sep 2025
2
11
2
15
Oct 2025
3
12
0
15
Nov 2025
2
2
0
4
Cumulative views and downloads
(calculated since 24 Aug 2022)
Month
HTML views
PDF downloads
XML downloads
Aug 2022
82
29
4
Sep 2022
132
45
7
Oct 2022
151
63
9
Nov 2022
179
80
12
Dec 2022
193
89
13
Jan 2023
217
99
15
Feb 2023
236
111
17
Mar 2023
257
119
17
Apr 2023
259
129
17
May 2023
263
131
18
Jun 2023
266
132
18
Jul 2023
268
145
18
Aug 2023
269
147
18
Sep 2023
273
152
18
Oct 2023
276
157
18
Nov 2023
277
157
18
Dec 2023
279
164
18
Jan 2024
280
165
18
Feb 2024
283
170
18
Mar 2024
290
178
18
Apr 2024
297
181
18
May 2024
302
188
18
Jun 2024
307
190
18
Jul 2024
311
193
18
Aug 2024
314
197
18
Sep 2024
315
199
18
Oct 2024
315
202
18
Nov 2024
316
204
18
Dec 2024
316
209
18
Jan 2025
316
215
18
Feb 2025
318
222
18
Mar 2025
319
230
18
Apr 2025
325
240
18
May 2025
327
244
18
Jun 2025
330
250
18
Jul 2025
333
259
18
Aug 2025
333
279
18
Sep 2025
335
290
20
Oct 2025
338
302
20
Nov 2025
340
304
20
Viewed (geographical distribution)
Total article views: 2,029 (including HTML, PDF, and XML)
Thereof 2,016 with geography defined
and 13 with unknown origin.
Total article views: 1,365 (including HTML, PDF, and XML)
Thereof 1,342 with geography defined
and 23 with unknown origin.
Total article views: 664 (including HTML, PDF, and XML)
Thereof 664 with geography defined
and 0 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: 08 Nov 2025