Research article
|
11 Jun 2021
Research article |
|
11 Jun 2021
Geographic variability in freshwater methane hydrogen isotope ratios and its implications for global isotopic source signatures
Peter M. J. Douglas , Emerald Stratigopoulos , Sanga Park , and Dawson Phan
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Total article views: 3,262 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
Supplement
BibTeX
EndNote
2,263
907
92
3,262
163
94
140
HTML: 2,263
PDF: 907
XML: 92
Total: 3,262
Supplement: 163
BibTeX: 94
EndNote: 140
Views and downloads (calculated since 13 Nov 2020)
Month
HTML
PDF
XML
Total
Nov 2020
232
58
4
294
Dec 2020
80
26
2
108
Jan 2021
21
16
1
38
Feb 2021
33
6
0
39
Mar 2021
13
8
0
21
Apr 2021
12
3
0
15
May 2021
194
5
1
200
Jun 2021
345
92
3
440
Jul 2021
47
19
1
67
Aug 2021
35
18
0
53
Sep 2021
28
22
0
50
Oct 2021
26
40
1
67
Nov 2021
25
29
0
54
Dec 2021
22
11
0
33
Jan 2022
21
18
2
41
Feb 2022
20
6
2
28
Mar 2022
13
6
0
19
Apr 2022
13
9
0
22
May 2022
10
6
0
16
Jun 2022
9
3
1
13
Jul 2022
21
8
0
29
Aug 2022
32
6
1
39
Sep 2022
17
8
0
25
Oct 2022
31
9
1
41
Nov 2022
24
5
2
31
Dec 2022
9
9
0
18
Jan 2023
15
14
1
30
Feb 2023
9
6
1
16
Mar 2023
19
9
1
29
Apr 2023
10
8
0
18
May 2023
17
70
0
87
Jun 2023
10
8
4
22
Jul 2023
12
10
0
22
Aug 2023
10
11
3
24
Sep 2023
10
10
2
22
Oct 2023
15
9
1
25
Nov 2023
8
1
0
9
Dec 2023
12
7
0
19
Jan 2024
12
8
1
21
Feb 2024
12
16
0
28
Mar 2024
31
27
0
58
Apr 2024
19
10
1
30
May 2024
23
8
5
36
Jun 2024
75
18
13
106
Jul 2024
44
10
5
59
Aug 2024
49
5
3
57
Sep 2024
11
4
1
16
Oct 2024
20
12
4
36
Nov 2024
20
10
4
34
Dec 2024
10
3
2
15
Jan 2025
31
15
1
47
Feb 2025
33
7
2
42
Mar 2025
15
14
0
29
Apr 2025
20
16
1
37
May 2025
29
15
0
44
Jun 2025
60
20
0
80
Jul 2025
25
14
3
42
Aug 2025
45
10
1
56
Sep 2025
113
16
0
129
Oct 2025
33
19
2
54
Nov 2025
53
21
8
82
Cumulative views and downloads
(calculated since 13 Nov 2020)
Month
HTML views
PDF downloads
XML downloads
Nov 2020
232
58
4
294
Dec 2020
312
84
6
402
Jan 2021
333
100
7
440
Feb 2021
366
106
7
479
Mar 2021
379
114
7
500
Apr 2021
391
117
7
515
May 2021
585
122
8
715
Jun 2021
930
214
11
1,155
Jul 2021
977
233
12
1,222
Aug 2021
1,012
251
12
1,275
Sep 2021
1,040
273
12
1,325
Oct 2021
1,066
313
13
1,392
Nov 2021
1,091
342
13
1,446
Dec 2021
1,113
353
13
1,479
Jan 2022
1,134
371
15
1,520
Feb 2022
1,154
377
17
1,548
Mar 2022
1,167
383
17
1,567
Apr 2022
1,180
392
17
1,589
May 2022
1,190
398
17
1,605
Jun 2022
1,199
401
18
1,618
Jul 2022
1,220
409
18
1,647
Aug 2022
1,252
415
19
1,686
Sep 2022
1,269
423
19
1,711
Oct 2022
1,300
432
20
1,752
Nov 2022
1,324
437
22
1,783
Dec 2022
1,333
446
22
1,801
Jan 2023
1,348
460
23
1,831
Feb 2023
1,357
466
24
1,847
Mar 2023
1,376
475
25
1,876
Apr 2023
1,386
483
25
1,894
May 2023
1,403
553
25
1,981
Jun 2023
1,413
561
29
2,003
Jul 2023
1,425
571
29
2,025
Aug 2023
1,435
582
32
2,049
Sep 2023
1,445
592
34
2,071
Oct 2023
1,460
601
35
2,096
Nov 2023
1,468
602
35
2,105
Dec 2023
1,480
609
35
2,124
Jan 2024
1,492
617
36
2,145
Feb 2024
1,504
633
36
2,173
Mar 2024
1,535
660
36
2,231
Apr 2024
1,554
670
37
2,261
May 2024
1,577
678
42
2,297
Jun 2024
1,652
696
55
2,403
Jul 2024
1,696
706
60
2,462
Aug 2024
1,745
711
63
2,519
Sep 2024
1,756
715
64
2,535
Oct 2024
1,776
727
68
2,571
Nov 2024
1,796
737
72
2,605
Dec 2024
1,806
740
74
2,620
Jan 2025
1,837
755
75
2,667
Feb 2025
1,870
762
77
2,709
Mar 2025
1,885
776
77
2,738
Apr 2025
1,905
792
78
2,775
May 2025
1,934
807
78
2,819
Jun 2025
1,994
827
78
2,899
Jul 2025
2,019
841
81
2,941
Aug 2025
2,064
851
82
2,997
Sep 2025
2,177
867
82
3,126
Oct 2025
2,210
886
84
3,180
Nov 2025
2,263
907
92
3,262
Total article views: 2,342 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
Supplement
BibTeX
EndNote
1,614
646
82
2,342
163
85
125
HTML: 1,614
PDF: 646
XML: 82
Total: 2,342
Supplement: 163
BibTeX: 85
EndNote: 125
Views and downloads (calculated since 11 Jun 2021)
Month
HTML
PDF
XML
Total
Jun 2021
327
82
3
412
Jul 2021
45
14
0
59
Aug 2021
35
14
0
49
Sep 2021
23
13
0
36
Oct 2021
26
36
1
63
Nov 2021
22
26
0
48
Dec 2021
18
6
0
24
Jan 2022
18
12
2
32
Feb 2022
19
5
2
26
Mar 2022
13
5
0
18
Apr 2022
11
6
0
17
May 2022
9
4
0
13
Jun 2022
9
3
1
13
Jul 2022
21
4
0
25
Aug 2022
32
4
1
37
Sep 2022
17
5
0
22
Oct 2022
29
4
1
34
Nov 2022
24
5
2
31
Dec 2022
9
8
0
17
Jan 2023
15
10
1
26
Feb 2023
9
6
1
16
Mar 2023
19
8
1
28
Apr 2023
10
8
0
18
May 2023
16
68
0
84
Jun 2023
9
8
4
21
Jul 2023
12
9
0
21
Aug 2023
10
8
3
21
Sep 2023
10
9
2
21
Oct 2023
15
9
1
25
Nov 2023
8
1
0
9
Dec 2023
12
6
0
18
Jan 2024
12
8
1
21
Feb 2024
11
15
0
26
Mar 2024
31
17
0
48
Apr 2024
19
8
1
28
May 2024
22
8
5
35
Jun 2024
73
10
13
96
Jul 2024
42
8
4
54
Aug 2024
47
4
3
54
Sep 2024
11
2
1
14
Oct 2024
19
11
4
34
Nov 2024
20
7
4
31
Dec 2024
8
1
2
11
Jan 2025
31
13
1
45
Feb 2025
32
5
2
39
Mar 2025
15
11
0
26
Apr 2025
20
13
1
34
May 2025
28
15
0
43
Jun 2025
57
20
0
77
Jul 2025
25
13
3
41
Aug 2025
45
9
1
55
Sep 2025
112
11
0
123
Oct 2025
32
13
2
47
Nov 2025
50
18
8
76
Cumulative views and downloads
(calculated since 11 Jun 2021)
Month
HTML views
PDF downloads
XML downloads
Jun 2021
327
82
3
Jul 2021
372
96
3
Aug 2021
407
110
3
Sep 2021
430
123
3
Oct 2021
456
159
4
Nov 2021
478
185
4
Dec 2021
496
191
4
Jan 2022
514
203
6
Feb 2022
533
208
8
Mar 2022
546
213
8
Apr 2022
557
219
8
May 2022
566
223
8
Jun 2022
575
226
9
Jul 2022
596
230
9
Aug 2022
628
234
10
Sep 2022
645
239
10
Oct 2022
674
243
11
Nov 2022
698
248
13
Dec 2022
707
256
13
Jan 2023
722
266
14
Feb 2023
731
272
15
Mar 2023
750
280
16
Apr 2023
760
288
16
May 2023
776
356
16
Jun 2023
785
364
20
Jul 2023
797
373
20
Aug 2023
807
381
23
Sep 2023
817
390
25
Oct 2023
832
399
26
Nov 2023
840
400
26
Dec 2023
852
406
26
Jan 2024
864
414
27
Feb 2024
875
429
27
Mar 2024
906
446
27
Apr 2024
925
454
28
May 2024
947
462
33
Jun 2024
1,020
472
46
Jul 2024
1,062
480
50
Aug 2024
1,109
484
53
Sep 2024
1,120
486
54
Oct 2024
1,139
497
58
Nov 2024
1,159
504
62
Dec 2024
1,167
505
64
Jan 2025
1,198
518
65
Feb 2025
1,230
523
67
Mar 2025
1,245
534
67
Apr 2025
1,265
547
68
May 2025
1,293
562
68
Jun 2025
1,350
582
68
Jul 2025
1,375
595
71
Aug 2025
1,420
604
72
Sep 2025
1,532
615
72
Oct 2025
1,564
628
74
Nov 2025
1,614
646
82
Total article views: 920 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
BibTeX
EndNote
649
261
10
920
9
15
HTML: 649
PDF: 261
XML: 10
Total: 920
BibTeX: 9
EndNote: 15
Views and downloads (calculated since 13 Nov 2020)
Month
HTML
PDF
XML
Total
Nov 2020
232
58
4
294
Dec 2020
80
26
2
108
Jan 2021
21
16
1
38
Feb 2021
33
6
0
39
Mar 2021
13
8
0
21
Apr 2021
12
3
0
15
May 2021
194
5
1
200
Jun 2021
18
10
0
28
Jul 2021
2
5
1
8
Aug 2021
4
0
4
Sep 2021
5
9
0
14
Oct 2021
4
0
4
Nov 2021
3
3
0
6
Dec 2021
4
5
0
9
Jan 2022
3
6
0
9
Feb 2022
1
1
0
2
Mar 2022
1
0
1
Apr 2022
2
3
0
5
May 2022
1
2
0
3
Jun 2022
0
Jul 2022
4
0
4
Aug 2022
2
0
2
Sep 2022
3
0
3
Oct 2022
2
5
0
7
Nov 2022
0
Dec 2022
1
0
1
Jan 2023
4
0
4
Feb 2023
0
Mar 2023
1
0
1
Apr 2023
0
May 2023
1
2
0
3
Jun 2023
1
0
1
Jul 2023
1
0
1
Aug 2023
3
0
3
Sep 2023
1
0
1
Oct 2023
0
Nov 2023
0
Dec 2023
1
0
1
Jan 2024
0
Feb 2024
1
1
0
2
Mar 2024
10
0
10
Apr 2024
2
0
2
May 2024
1
0
1
Jun 2024
2
8
0
10
Jul 2024
2
2
1
5
Aug 2024
2
1
0
3
Sep 2024
2
0
2
Oct 2024
1
1
0
2
Nov 2024
3
0
3
Dec 2024
2
2
0
4
Jan 2025
2
0
2
Feb 2025
1
2
0
3
Mar 2025
3
0
3
Apr 2025
3
0
3
May 2025
1
0
1
Jun 2025
3
0
3
Jul 2025
1
0
1
Aug 2025
1
0
1
Sep 2025
1
5
0
6
Oct 2025
1
6
0
7
Nov 2025
3
3
0
6
Cumulative views and downloads
(calculated since 13 Nov 2020)
Month
HTML views
PDF downloads
XML downloads
Nov 2020
232
58
4
Dec 2020
312
84
6
Jan 2021
333
100
7
Feb 2021
366
106
7
Mar 2021
379
114
7
Apr 2021
391
117
7
May 2021
585
122
8
Jun 2021
603
132
8
Jul 2021
605
137
9
Aug 2021
605
141
9
Sep 2021
610
150
9
Oct 2021
610
154
9
Nov 2021
613
157
9
Dec 2021
617
162
9
Jan 2022
620
168
9
Feb 2022
621
169
9
Mar 2022
621
170
9
Apr 2022
623
173
9
May 2022
624
175
9
Jun 2022
624
175
9
Jul 2022
624
179
9
Aug 2022
624
181
9
Sep 2022
624
184
9
Oct 2022
626
189
9
Nov 2022
626
189
9
Dec 2022
626
190
9
Jan 2023
626
194
9
Feb 2023
626
194
9
Mar 2023
626
195
9
Apr 2023
626
195
9
May 2023
627
197
9
Jun 2023
628
197
9
Jul 2023
628
198
9
Aug 2023
628
201
9
Sep 2023
628
202
9
Oct 2023
628
202
9
Nov 2023
628
202
9
Dec 2023
628
203
9
Jan 2024
628
203
9
Feb 2024
629
204
9
Mar 2024
629
214
9
Apr 2024
629
216
9
May 2024
630
216
9
Jun 2024
632
224
9
Jul 2024
634
226
10
Aug 2024
636
227
10
Sep 2024
636
229
10
Oct 2024
637
230
10
Nov 2024
637
233
10
Dec 2024
639
235
10
Jan 2025
639
237
10
Feb 2025
640
239
10
Mar 2025
640
242
10
Apr 2025
640
245
10
May 2025
641
245
10
Jun 2025
644
245
10
Jul 2025
644
246
10
Aug 2025
644
247
10
Sep 2025
645
252
10
Oct 2025
646
258
10
Nov 2025
649
261
10
Viewed (geographical distribution)
Total article views: 3,262 (including HTML, PDF, and XML)
Thereof 2,970 with geography defined
and 292 with unknown origin.
Total article views: 2,342 (including HTML, PDF, and XML)
Thereof 2,265 with geography defined
and 77 with unknown origin.
Total article views: 920 (including HTML, PDF, and XML)
Thereof 705 with geography defined
and 215 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: 01 Dec 2025