Technical note
|
17 Oct 2011
Technical note |
|
17 Oct 2011
Technical Note: A novel approach to estimation of time-variable surface sources and sinks of carbon dioxide using empirical orthogonal functions and the Kalman filter
R. Zhuravlev ,B. Khattatov ,B. Kiryushov ,and S. Maksyutov
Viewed
Total article views: 2,921 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
BibTeX
EndNote
1,668
1,148
105
2,921
145
127
HTML: 1,668
PDF: 1,148
XML: 105
Total: 2,921
BibTeX: 145
EndNote: 127
Views and downloads (calculated since 01 Feb 2013, article published on 18 Jan 2011)
Month
HTML
PDF
XML
Total
Feb 2013
17
23
5
45
Mar 2013
9
19
0
28
Apr 2013
10
20
0
30
May 2013
6
25
0
31
Jun 2013
19
31
0
50
Jul 2013
7
25
0
32
Aug 2013
15
20
0
35
Sep 2013
5
18
1
24
Oct 2013
17
29
2
48
Nov 2013
6
19
1
26
Dec 2013
11
17
0
28
Jan 2014
11
20
0
31
Feb 2014
14
18
4
36
Mar 2014
27
12
1
40
Apr 2014
19
20
0
39
May 2014
6
20
0
26
Jun 2014
3
18
0
21
Jul 2014
2
21
0
23
Aug 2014
7
17
0
24
Sep 2014
4
13
0
17
Oct 2014
1
9
1
11
Nov 2014
5
15
0
20
Dec 2014
15
0
15
Jan 2015
5
5
0
10
Feb 2015
9
9
4
22
Mar 2015
16
3
1
20
Apr 2015
18
1
0
19
May 2015
7
5
0
12
Jun 2015
30
4
3
37
Jul 2015
22
6
0
28
Aug 2015
9
6
3
18
Sep 2015
3
4
1
8
Oct 2015
31
4
1
36
Nov 2015
25
9
2
36
Dec 2015
7
9
0
16
Jan 2016
23
7
0
30
Feb 2016
18
6
1
25
Mar 2016
13
5
0
18
Apr 2016
14
5
0
19
May 2016
9
1
0
10
Jun 2016
7
2
0
9
Jul 2016
8
5
3
16
Aug 2016
5
4
0
9
Sep 2016
9
2
0
11
Oct 2016
8
0
8
Nov 2016
8
2
0
10
Dec 2016
8
4
0
12
Jan 2017
8
5
0
13
Feb 2017
9
0
9
Mar 2017
19
4
3
26
Apr 2017
17
2
1
20
May 2017
20
2
1
23
Jun 2017
20
2
1
23
Jul 2017
17
6
0
23
Aug 2017
5
4
1
10
Sep 2017
7
9
0
16
Oct 2017
4
5
0
9
Nov 2017
7
5
0
12
Dec 2017
6
5
0
11
Jan 2018
3
4
0
7
Feb 2018
5
7
0
12
Mar 2018
8
8
0
16
Apr 2018
7
6
0
13
May 2018
8
6
0
14
Jun 2018
10
5
0
15
Jul 2018
8
4
0
12
Aug 2018
5
3
0
8
Sep 2018
16
8
0
24
Oct 2018
11
9
1
21
Nov 2018
8
4
0
12
Dec 2018
9
5
1
15
Jan 2019
3
4
1
8
Feb 2019
3
2
0
5
Mar 2019
4
5
0
9
Apr 2019
4
3
0
7
May 2019
6
4
0
10
Jun 2019
4
5
0
9
Jul 2019
2
4
0
6
Aug 2019
2
1
0
3
Sep 2019
1
0
1
Oct 2019
3
6
1
10
Nov 2019
4
2
0
6
Dec 2019
1
5
0
6
Jan 2020
5
1
0
6
Feb 2020
1
4
0
5
Mar 2020
2
5
0
7
Apr 2020
1
3
0
4
May 2020
4
3
0
7
Jun 2020
21
3
0
24
Jul 2020
19
11
4
34
Aug 2020
9
7
6
22
Sep 2020
6
6
0
12
Oct 2020
8
11
1
20
Nov 2020
4
9
1
14
Dec 2020
8
3
0
11
Jan 2021
13
6
0
19
Feb 2021
3
3
0
6
Mar 2021
3
2
0
5
Apr 2021
4
4
0
8
May 2021
3
4
1
8
Jun 2021
5
17
0
22
Jul 2021
2
3
0
5
Aug 2021
3
8
0
11
Sep 2021
8
8
0
16
Oct 2021
3
42
2
47
Nov 2021
6
20
0
26
Dec 2021
4
5
0
9
Jan 2022
7
7
0
14
Feb 2022
4
2
2
8
Mar 2022
5
3
0
8
Apr 2022
5
2
1
8
May 2022
3
3
0
6
Jun 2022
2
1
0
3
Jul 2022
2
1
0
3
Aug 2022
8
3
0
11
Sep 2022
4
6
0
10
Oct 2022
4
1
1
6
Nov 2022
4
6
1
11
Dec 2022
10
4
2
16
Jan 2023
4
7
1
12
Feb 2023
12
4
1
17
Mar 2023
10
3
0
13
Apr 2023
3
1
0
4
May 2023
26
9
1
36
Jun 2023
34
4
2
40
Jul 2023
32
5
1
38
Aug 2023
32
5
1
38
Sep 2023
33
5
1
39
Oct 2023
36
5
3
44
Nov 2023
23
3
0
26
Dec 2023
38
1
0
39
Jan 2024
33
1
0
34
Feb 2024
31
5
0
36
Mar 2024
37
8
0
45
Apr 2024
34
6
3
43
May 2024
11
10
3
24
Jun 2024
27
5
1
33
Jul 2024
11
10
2
23
Aug 2024
11
4
0
15
Sep 2024
3
0
3
Oct 2024
11
5
0
16
Nov 2024
6
5
2
13
Dec 2024
9
4
0
13
Jan 2025
8
4
0
12
Feb 2025
20
14
1
35
Mar 2025
12
8
1
21
Apr 2025
8
11
3
22
May 2025
7
6
1
14
Jun 2025
32
14
2
48
Jul 2025
16
8
1
25
Aug 2025
13
8
1
22
Sep 2025
28
11
5
44
Oct 2025
8
10
1
19
Cumulative views and downloads
(calculated since 01 Feb 2013, article published on 18 Jan 2011)
Month
HTML views
PDF downloads
XML downloads
Feb 2013
17
23
5
45
Mar 2013
26
42
5
73
Apr 2013
36
62
5
103
May 2013
42
87
5
134
Jun 2013
61
118
5
184
Jul 2013
68
143
5
216
Aug 2013
83
163
5
251
Sep 2013
88
181
6
275
Oct 2013
105
210
8
323
Nov 2013
111
229
9
349
Dec 2013
122
246
9
377
Jan 2014
133
266
9
408
Feb 2014
147
284
13
444
Mar 2014
174
296
14
484
Apr 2014
193
316
14
523
May 2014
199
336
14
549
Jun 2014
202
354
14
570
Jul 2014
204
375
14
593
Aug 2014
211
392
14
617
Sep 2014
215
405
14
634
Oct 2014
216
414
15
645
Nov 2014
221
429
15
665
Dec 2014
221
444
15
680
Jan 2015
226
449
15
690
Feb 2015
235
458
19
712
Mar 2015
251
461
20
732
Apr 2015
269
462
20
751
May 2015
276
467
20
763
Jun 2015
306
471
23
800
Jul 2015
328
477
23
828
Aug 2015
337
483
26
846
Sep 2015
340
487
27
854
Oct 2015
371
491
28
890
Nov 2015
396
500
30
926
Dec 2015
403
509
30
942
Jan 2016
426
516
30
972
Feb 2016
444
522
31
997
Mar 2016
457
527
31
1,015
Apr 2016
471
532
31
1,034
May 2016
480
533
31
1,044
Jun 2016
487
535
31
1,053
Jul 2016
495
540
34
1,069
Aug 2016
500
544
34
1,078
Sep 2016
509
546
34
1,089
Oct 2016
517
546
34
1,097
Nov 2016
525
548
34
1,107
Dec 2016
533
552
34
1,119
Jan 2017
541
557
34
1,132
Feb 2017
550
557
34
1,141
Mar 2017
569
561
37
1,167
Apr 2017
586
563
38
1,187
May 2017
606
565
39
1,210
Jun 2017
626
567
40
1,233
Jul 2017
643
573
40
1,256
Aug 2017
648
577
41
1,266
Sep 2017
655
586
41
1,282
Oct 2017
659
591
41
1,291
Nov 2017
666
596
41
1,303
Dec 2017
672
601
41
1,314
Jan 2018
675
605
41
1,321
Feb 2018
680
612
41
1,333
Mar 2018
688
620
41
1,349
Apr 2018
695
626
41
1,362
May 2018
703
632
41
1,376
Jun 2018
713
637
41
1,391
Jul 2018
721
641
41
1,403
Aug 2018
726
644
41
1,411
Sep 2018
742
652
41
1,435
Oct 2018
753
661
42
1,456
Nov 2018
761
665
42
1,468
Dec 2018
770
670
43
1,483
Jan 2019
773
674
44
1,491
Feb 2019
776
676
44
1,496
Mar 2019
780
681
44
1,505
Apr 2019
784
684
44
1,512
May 2019
790
688
44
1,522
Jun 2019
794
693
44
1,531
Jul 2019
796
697
44
1,537
Aug 2019
798
698
44
1,540
Sep 2019
798
699
44
1,541
Oct 2019
801
705
45
1,551
Nov 2019
805
707
45
1,557
Dec 2019
806
712
45
1,563
Jan 2020
811
713
45
1,569
Feb 2020
812
717
45
1,574
Mar 2020
814
722
45
1,581
Apr 2020
815
725
45
1,585
May 2020
819
728
45
1,592
Jun 2020
840
731
45
1,616
Jul 2020
859
742
49
1,650
Aug 2020
868
749
55
1,672
Sep 2020
874
755
55
1,684
Oct 2020
882
766
56
1,704
Nov 2020
886
775
57
1,718
Dec 2020
894
778
57
1,729
Jan 2021
907
784
57
1,748
Feb 2021
910
787
57
1,754
Mar 2021
913
789
57
1,759
Apr 2021
917
793
57
1,767
May 2021
920
797
58
1,775
Jun 2021
925
814
58
1,797
Jul 2021
927
817
58
1,802
Aug 2021
930
825
58
1,813
Sep 2021
938
833
58
1,829
Oct 2021
941
875
60
1,876
Nov 2021
947
895
60
1,902
Dec 2021
951
900
60
1,911
Jan 2022
958
907
60
1,925
Feb 2022
962
909
62
1,933
Mar 2022
967
912
62
1,941
Apr 2022
972
914
63
1,949
May 2022
975
917
63
1,955
Jun 2022
977
918
63
1,958
Jul 2022
979
919
63
1,961
Aug 2022
987
922
63
1,972
Sep 2022
991
928
63
1,982
Oct 2022
995
929
64
1,988
Nov 2022
999
935
65
1,999
Dec 2022
1,009
939
67
2,015
Jan 2023
1,013
946
68
2,027
Feb 2023
1,025
950
69
2,044
Mar 2023
1,035
953
69
2,057
Apr 2023
1,038
954
69
2,061
May 2023
1,064
963
70
2,097
Jun 2023
1,098
967
72
2,137
Jul 2023
1,130
972
73
2,175
Aug 2023
1,162
977
74
2,213
Sep 2023
1,195
982
75
2,252
Oct 2023
1,231
987
78
2,296
Nov 2023
1,254
990
78
2,322
Dec 2023
1,292
991
78
2,361
Jan 2024
1,325
992
78
2,395
Feb 2024
1,356
997
78
2,431
Mar 2024
1,393
1,005
78
2,476
Apr 2024
1,427
1,011
81
2,519
May 2024
1,438
1,021
84
2,543
Jun 2024
1,465
1,026
85
2,576
Jul 2024
1,476
1,036
87
2,599
Aug 2024
1,487
1,040
87
2,614
Sep 2024
1,490
1,040
87
2,617
Oct 2024
1,501
1,045
87
2,633
Nov 2024
1,507
1,050
89
2,646
Dec 2024
1,516
1,054
89
2,659
Jan 2025
1,524
1,058
89
2,671
Feb 2025
1,544
1,072
90
2,706
Mar 2025
1,556
1,080
91
2,727
Apr 2025
1,564
1,091
94
2,749
May 2025
1,571
1,097
95
2,763
Jun 2025
1,603
1,111
97
2,811
Jul 2025
1,619
1,119
98
2,836
Aug 2025
1,632
1,127
99
2,858
Sep 2025
1,660
1,138
104
2,902
Oct 2025
1,668
1,148
105
2,921
Total article views: 2,367 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
BibTeX
EndNote
1,391
882
94
2,367
132
120
HTML: 1,391
PDF: 882
XML: 94
Total: 2,367
BibTeX: 132
EndNote: 120
Views and downloads (calculated since 01 Feb 2013, article published on 17 Oct 2011)
Month
HTML
PDF
XML
Total
Feb 2013
9
18
3
30
Mar 2013
4
13
0
17
Apr 2013
4
16
0
20
May 2013
3
17
0
20
Jun 2013
11
26
0
37
Jul 2013
3
18
0
21
Aug 2013
11
17
0
28
Sep 2013
1
13
1
15
Oct 2013
13
25
2
40
Nov 2013
3
15
1
19
Dec 2013
3
13
0
16
Jan 2014
5
14
0
19
Feb 2014
8
11
2
21
Mar 2014
15
7
1
23
Apr 2014
15
14
0
29
May 2014
5
12
0
17
Jun 2014
3
12
0
15
Jul 2014
1
15
0
16
Aug 2014
3
8
0
11
Sep 2014
3
8
0
11
Oct 2014
1
4
1
6
Nov 2014
4
8
0
12
Dec 2014
9
0
9
Jan 2015
5
3
0
8
Feb 2015
8
8
4
20
Mar 2015
16
2
1
19
Apr 2015
16
1
0
17
May 2015
6
4
0
10
Jun 2015
26
4
3
33
Jul 2015
15
6
0
21
Aug 2015
7
6
3
16
Sep 2015
2
3
1
6
Oct 2015
22
3
1
26
Nov 2015
17
5
1
23
Dec 2015
7
5
0
12
Jan 2016
14
4
0
18
Feb 2016
14
4
1
19
Mar 2016
9
4
0
13
Apr 2016
10
4
0
14
May 2016
6
1
0
7
Jun 2016
4
0
4
Jul 2016
5
4
2
11
Aug 2016
3
2
0
5
Sep 2016
6
1
0
7
Oct 2016
6
0
6
Nov 2016
6
1
0
7
Dec 2016
4
2
0
6
Jan 2017
5
5
0
10
Feb 2017
6
0
6
Mar 2017
14
4
3
21
Apr 2017
11
2
1
14
May 2017
13
2
1
16
Jun 2017
12
2
1
15
Jul 2017
11
6
0
17
Aug 2017
4
3
1
8
Sep 2017
5
9
0
14
Oct 2017
3
4
0
7
Nov 2017
6
5
0
11
Dec 2017
5
4
0
9
Jan 2018
3
4
0
7
Feb 2018
4
7
0
11
Mar 2018
6
7
0
13
Apr 2018
6
5
0
11
May 2018
8
6
0
14
Jun 2018
7
3
0
10
Jul 2018
5
3
0
8
Aug 2018
4
2
0
6
Sep 2018
11
7
0
18
Oct 2018
8
7
1
16
Nov 2018
6
3
0
9
Dec 2018
8
3
1
12
Jan 2019
2
4
1
7
Feb 2019
3
2
0
5
Mar 2019
2
3
0
5
Apr 2019
2
3
0
5
May 2019
4
3
0
7
Jun 2019
3
2
0
5
Jul 2019
2
3
0
5
Aug 2019
2
1
0
3
Sep 2019
0
Oct 2019
1
5
1
7
Nov 2019
4
2
0
6
Dec 2019
3
0
3
Jan 2020
5
1
0
6
Feb 2020
1
4
0
5
Mar 2020
2
5
0
7
Apr 2020
1
3
0
4
May 2020
3
3
0
6
Jun 2020
11
3
0
14
Jul 2020
11
9
2
22
Aug 2020
7
5
3
15
Sep 2020
6
5
0
11
Oct 2020
7
9
1
17
Nov 2020
3
6
1
10
Dec 2020
8
3
0
11
Jan 2021
12
4
0
16
Feb 2021
3
3
0
6
Mar 2021
3
2
0
5
Apr 2021
4
3
0
7
May 2021
3
3
1
7
Jun 2021
5
9
0
14
Jul 2021
2
2
0
4
Aug 2021
3
7
0
10
Sep 2021
8
8
0
16
Oct 2021
3
41
2
46
Nov 2021
6
19
0
25
Dec 2021
4
1
0
5
Jan 2022
7
6
0
13
Feb 2022
4
2
2
8
Mar 2022
5
3
0
8
Apr 2022
4
2
1
7
May 2022
3
2
0
5
Jun 2022
2
1
0
3
Jul 2022
2
1
0
3
Aug 2022
8
2
0
10
Sep 2022
4
5
0
9
Oct 2022
4
1
1
6
Nov 2022
4
6
1
11
Dec 2022
10
1
2
13
Jan 2023
4
6
1
11
Feb 2023
12
3
1
16
Mar 2023
10
2
0
12
Apr 2023
3
0
3
May 2023
26
7
1
34
Jun 2023
33
2
2
37
Jul 2023
32
4
1
37
Aug 2023
32
3
1
36
Sep 2023
33
5
1
39
Oct 2023
36
5
3
44
Nov 2023
23
3
0
26
Dec 2023
38
1
0
39
Jan 2024
33
1
0
34
Feb 2024
31
4
0
35
Mar 2024
37
5
0
42
Apr 2024
34
6
3
43
May 2024
11
9
3
23
Jun 2024
27
3
1
31
Jul 2024
11
4
2
17
Aug 2024
11
3
0
14
Sep 2024
3
0
3
Oct 2024
11
4
0
15
Nov 2024
6
4
2
12
Dec 2024
9
4
0
13
Jan 2025
8
3
0
11
Feb 2025
19
13
1
33
Mar 2025
12
7
1
20
Apr 2025
8
10
3
21
May 2025
7
5
1
13
Jun 2025
32
13
2
47
Jul 2025
16
7
1
24
Aug 2025
13
8
1
22
Sep 2025
26
7
5
38
Oct 2025
8
7
1
16
Cumulative views and downloads
(calculated since 01 Feb 2013, article published on 17 Oct 2011)
Month
HTML views
PDF downloads
XML downloads
Mar 2013
9
18
3
Mar 2013
13
31
3
May 2013
17
47
3
May 2013
20
64
3
Jul 2013
31
90
3
Jul 2013
34
108
3
Aug 2013
45
125
3
Oct 2013
46
138
4
Oct 2013
59
163
6
Dec 2013
62
178
7
Dec 2013
65
191
7
Jan 2014
70
205
7
Mar 2014
78
216
9
Mar 2014
93
223
10
May 2014
108
237
10
May 2014
113
249
10
Jul 2014
116
261
10
Jul 2014
117
276
10
Aug 2014
120
284
10
Oct 2014
123
292
10
Oct 2014
124
296
11
Dec 2014
128
304
11
Dec 2014
128
313
11
Jan 2015
133
316
11
Mar 2015
141
324
15
Mar 2015
157
326
16
May 2015
173
327
16
May 2015
179
331
16
Jul 2015
205
335
19
Jul 2015
220
341
19
Aug 2015
227
347
22
Oct 2015
229
350
23
Oct 2015
251
353
24
Dec 2015
268
358
25
Dec 2015
275
363
25
Jan 2016
289
367
25
Mar 2016
303
371
26
Mar 2016
312
375
26
May 2016
322
379
26
May 2016
328
380
26
Jul 2016
332
380
26
Jul 2016
337
384
28
Aug 2016
340
386
28
Oct 2016
346
387
28
Oct 2016
352
387
28
Dec 2016
358
388
28
Dec 2016
362
390
28
Jan 2017
367
395
28
Mar 2017
373
395
28
Mar 2017
387
399
31
May 2017
398
401
32
May 2017
411
403
33
Jul 2017
423
405
34
Jul 2017
434
411
34
Aug 2017
438
414
35
Oct 2017
443
423
35
Oct 2017
446
427
35
Dec 2017
452
432
35
Dec 2017
457
436
35
Jan 2018
460
440
35
Mar 2018
464
447
35
Mar 2018
470
454
35
May 2018
476
459
35
May 2018
484
465
35
Jul 2018
491
468
35
Jul 2018
496
471
35
Aug 2018
500
473
35
Oct 2018
511
480
35
Oct 2018
519
487
36
Dec 2018
525
490
36
Dec 2018
533
493
37
Jan 2019
535
497
38
Mar 2019
538
499
38
Mar 2019
540
502
38
May 2019
542
505
38
May 2019
546
508
38
Jul 2019
549
510
38
Jul 2019
551
513
38
Aug 2019
553
514
38
Oct 2019
553
514
38
Oct 2019
554
519
39
Dec 2019
558
521
39
Dec 2019
558
524
39
Jan 2020
563
525
39
Mar 2020
564
529
39
Mar 2020
566
534
39
May 2020
567
537
39
May 2020
570
540
39
Jul 2020
581
543
39
Jul 2020
592
552
41
Aug 2020
599
557
44
Oct 2020
605
562
44
Oct 2020
612
571
45
Dec 2020
615
577
46
Dec 2020
623
580
46
Jan 2021
635
584
46
Mar 2021
638
587
46
Mar 2021
641
589
46
May 2021
645
592
46
May 2021
648
595
47
Jul 2021
653
604
47
Jul 2021
655
606
47
Aug 2021
658
613
47
Oct 2021
666
621
47
Oct 2021
669
662
49
Dec 2021
675
681
49
Dec 2021
679
682
49
Jan 2022
686
688
49
Mar 2022
690
690
51
Mar 2022
695
693
51
May 2022
699
695
52
May 2022
702
697
52
Jul 2022
704
698
52
Jul 2022
706
699
52
Aug 2022
714
701
52
Oct 2022
718
706
52
Oct 2022
722
707
53
Dec 2022
726
713
54
Dec 2022
736
714
56
Jan 2023
740
720
57
Mar 2023
752
723
58
Mar 2023
762
725
58
May 2023
765
725
58
May 2023
791
732
59
Jul 2023
824
734
61
Jul 2023
856
738
62
Aug 2023
888
741
63
Oct 2023
921
746
64
Oct 2023
957
751
67
Dec 2023
980
754
67
Dec 2023
1,018
755
67
Jan 2024
1,051
756
67
Mar 2024
1,082
760
67
Mar 2024
1,119
765
67
May 2024
1,153
771
70
May 2024
1,164
780
73
Jul 2024
1,191
783
74
Jul 2024
1,202
787
76
Aug 2024
1,213
790
76
Oct 2024
1,216
790
76
Oct 2024
1,227
794
76
Dec 2024
1,233
798
78
Dec 2024
1,242
802
78
Jan 2025
1,250
805
78
Mar 2025
1,269
818
79
Mar 2025
1,281
825
80
May 2025
1,289
835
83
May 2025
1,296
840
84
Jul 2025
1,328
853
86
Jul 2025
1,344
860
87
Aug 2025
1,357
868
88
Oct 2025
1,383
875
93
Oct 2025
1,391
882
94
Total article views: 554 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
BibTeX
EndNote
277
266
11
554
13
7
HTML: 277
PDF: 266
XML: 11
Total: 554
BibTeX: 13
EndNote: 7
Views and downloads (calculated since 01 Feb 2013, article published on 18 Jan 2011)
Month
HTML
PDF
XML
Total
Feb 2013
8
5
2
15
Mar 2013
5
6
0
11
Apr 2013
6
4
0
10
May 2013
3
8
0
11
Jun 2013
8
5
0
13
Jul 2013
4
7
0
11
Aug 2013
4
3
0
7
Sep 2013
4
5
0
9
Oct 2013
4
4
0
8
Nov 2013
3
4
0
7
Dec 2013
8
4
0
12
Jan 2014
6
6
0
12
Feb 2014
6
7
2
15
Mar 2014
12
5
0
17
Apr 2014
4
6
0
10
May 2014
1
8
0
9
Jun 2014
6
0
6
Jul 2014
1
6
0
7
Aug 2014
4
9
0
13
Sep 2014
1
5
0
6
Oct 2014
5
0
5
Nov 2014
1
7
0
8
Dec 2014
6
0
6
Jan 2015
2
0
2
Feb 2015
1
1
0
2
Mar 2015
1
0
1
Apr 2015
2
0
2
May 2015
1
1
0
2
Jun 2015
4
0
4
Jul 2015
7
0
7
Aug 2015
2
0
2
Sep 2015
1
1
0
2
Oct 2015
9
1
0
10
Nov 2015
8
4
1
13
Dec 2015
4
0
4
Jan 2016
9
3
0
12
Feb 2016
4
2
0
6
Mar 2016
4
1
0
5
Apr 2016
4
1
0
5
May 2016
3
0
3
Jun 2016
3
2
0
5
Jul 2016
3
1
1
5
Aug 2016
2
2
0
4
Sep 2016
3
1
0
4
Oct 2016
2
0
2
Nov 2016
2
1
0
3
Dec 2016
4
2
0
6
Jan 2017
3
0
3
Feb 2017
3
0
3
Mar 2017
5
0
5
Apr 2017
6
0
6
May 2017
7
0
7
Jun 2017
8
0
8
Jul 2017
6
0
6
Aug 2017
1
1
0
2
Sep 2017
2
0
2
Oct 2017
1
1
0
2
Nov 2017
1
0
1
Dec 2017
1
1
0
2
Jan 2018
0
Feb 2018
1
0
1
Mar 2018
2
1
0
3
Apr 2018
1
1
0
2
May 2018
0
Jun 2018
3
2
0
5
Jul 2018
3
1
0
4
Aug 2018
1
1
0
2
Sep 2018
5
1
0
6
Oct 2018
3
2
0
5
Nov 2018
2
1
0
3
Dec 2018
1
2
0
3
Jan 2019
1
0
1
Feb 2019
0
Mar 2019
2
2
0
4
Apr 2019
2
0
2
May 2019
2
1
0
3
Jun 2019
1
3
0
4
Jul 2019
1
0
1
Aug 2019
0
Sep 2019
1
0
1
Oct 2019
2
1
0
3
Nov 2019
0
Dec 2019
1
2
0
3
Jan 2020
0
Feb 2020
0
Mar 2020
0
Apr 2020
0
May 2020
1
0
1
Jun 2020
10
0
10
Jul 2020
8
2
2
12
Aug 2020
2
2
3
7
Sep 2020
1
0
1
Oct 2020
1
2
0
3
Nov 2020
1
3
0
4
Dec 2020
0
Jan 2021
1
2
0
3
Feb 2021
0
Mar 2021
0
Apr 2021
1
0
1
May 2021
1
0
1
Jun 2021
8
0
8
Jul 2021
1
0
1
Aug 2021
1
0
1
Sep 2021
0
Oct 2021
1
0
1
Nov 2021
1
0
1
Dec 2021
4
0
4
Jan 2022
1
0
1
Feb 2022
0
Mar 2022
0
Apr 2022
1
0
1
May 2022
1
0
1
Jun 2022
0
Jul 2022
0
Aug 2022
1
0
1
Sep 2022
1
0
1
Oct 2022
0
Nov 2022
0
Dec 2022
3
0
3
Jan 2023
1
0
1
Feb 2023
1
0
1
Mar 2023
1
0
1
Apr 2023
1
0
1
May 2023
2
0
2
Jun 2023
1
2
0
3
Jul 2023
1
0
1
Aug 2023
2
0
2
Sep 2023
0
Oct 2023
0
Nov 2023
0
Dec 2023
0
Jan 2024
0
Feb 2024
1
0
1
Mar 2024
3
0
3
Apr 2024
0
May 2024
1
0
1
Jun 2024
2
0
2
Jul 2024
6
0
6
Aug 2024
1
0
1
Sep 2024
0
Oct 2024
1
0
1
Nov 2024
1
0
1
Dec 2024
0
Jan 2025
1
0
1
Feb 2025
1
1
0
2
Mar 2025
1
0
1
Apr 2025
1
0
1
May 2025
1
0
1
Jun 2025
1
0
1
Jul 2025
1
0
1
Aug 2025
0
Sep 2025
2
4
0
6
Oct 2025
3
0
3
Cumulative views and downloads
(calculated since 01 Feb 2013, article published on 18 Jan 2011)
Month
HTML views
PDF downloads
XML downloads
Mar 2013
8
5
2
Mar 2013
13
11
2
May 2013
19
15
2
May 2013
22
23
2
Jul 2013
30
28
2
Jul 2013
34
35
2
Aug 2013
38
38
2
Oct 2013
42
43
2
Oct 2013
46
47
2
Dec 2013
49
51
2
Dec 2013
57
55
2
Jan 2014
63
61
2
Mar 2014
69
68
4
Mar 2014
81
73
4
May 2014
85
79
4
May 2014
86
87
4
Jul 2014
86
93
4
Jul 2014
87
99
4
Aug 2014
91
108
4
Oct 2014
92
113
4
Oct 2014
92
118
4
Dec 2014
93
125
4
Dec 2014
93
131
4
Jan 2015
93
133
4
Mar 2015
94
134
4
Mar 2015
94
135
4
May 2015
96
135
4
May 2015
97
136
4
Jul 2015
101
136
4
Jul 2015
108
136
4
Aug 2015
110
136
4
Oct 2015
111
137
4
Oct 2015
120
138
4
Dec 2015
128
142
5
Dec 2015
128
146
5
Jan 2016
137
149
5
Mar 2016
141
151
5
Mar 2016
145
152
5
May 2016
149
153
5
May 2016
152
153
5
Jul 2016
155
155
5
Jul 2016
158
156
6
Aug 2016
160
158
6
Oct 2016
163
159
6
Oct 2016
165
159
6
Dec 2016
167
160
6
Dec 2016
171
162
6
Jan 2017
174
162
6
Mar 2017
177
162
6
Mar 2017
182
162
6
May 2017
188
162
6
May 2017
195
162
6
Jul 2017
203
162
6
Jul 2017
209
162
6
Aug 2017
210
163
6
Oct 2017
212
163
6
Oct 2017
213
164
6
Dec 2017
214
164
6
Dec 2017
215
165
6
Jan 2018
215
165
6
Mar 2018
216
165
6
Mar 2018
218
166
6
May 2018
219
167
6
May 2018
219
167
6
Jul 2018
222
169
6
Jul 2018
225
170
6
Aug 2018
226
171
6
Oct 2018
231
172
6
Oct 2018
234
174
6
Dec 2018
236
175
6
Dec 2018
237
177
6
Jan 2019
238
177
6
Mar 2019
238
177
6
Mar 2019
240
179
6
May 2019
242
179
6
May 2019
244
180
6
Jul 2019
245
183
6
Jul 2019
245
184
6
Aug 2019
245
184
6
Oct 2019
245
185
6
Oct 2019
247
186
6
Dec 2019
247
186
6
Dec 2019
248
188
6
Jan 2020
248
188
6
Mar 2020
248
188
6
Mar 2020
248
188
6
May 2020
248
188
6
May 2020
249
188
6
Jul 2020
259
188
6
Jul 2020
267
190
8
Aug 2020
269
192
11
Oct 2020
269
193
11
Oct 2020
270
195
11
Dec 2020
271
198
11
Dec 2020
271
198
11
Jan 2021
272
200
11
Mar 2021
272
200
11
Mar 2021
272
200
11
May 2021
272
201
11
May 2021
272
202
11
Jul 2021
272
210
11
Jul 2021
272
211
11
Aug 2021
272
212
11
Oct 2021
272
212
11
Oct 2021
272
213
11
Dec 2021
272
214
11
Dec 2021
272
218
11
Jan 2022
272
219
11
Mar 2022
272
219
11
Mar 2022
272
219
11
May 2022
273
219
11
May 2022
273
220
11
Jul 2022
273
220
11
Jul 2022
273
220
11
Aug 2022
273
221
11
Oct 2022
273
222
11
Oct 2022
273
222
11
Dec 2022
273
222
11
Dec 2022
273
225
11
Jan 2023
273
226
11
Mar 2023
273
227
11
Mar 2023
273
228
11
May 2023
273
229
11
May 2023
273
231
11
Jul 2023
274
233
11
Jul 2023
274
234
11
Aug 2023
274
236
11
Oct 2023
274
236
11
Oct 2023
274
236
11
Dec 2023
274
236
11
Dec 2023
274
236
11
Jan 2024
274
236
11
Mar 2024
274
237
11
Mar 2024
274
240
11
May 2024
274
240
11
May 2024
274
241
11
Jul 2024
274
243
11
Jul 2024
274
249
11
Aug 2024
274
250
11
Oct 2024
274
250
11
Oct 2024
274
251
11
Dec 2024
274
252
11
Dec 2024
274
252
11
Jan 2025
274
253
11
Mar 2025
275
254
11
Mar 2025
275
255
11
May 2025
275
256
11
May 2025
275
257
11
Jul 2025
275
258
11
Jul 2025
275
259
11
Aug 2025
275
259
11
Oct 2025
277
263
11
Oct 2025
277
266
11
Cited
Saved (final revised paper)
Saved (preprint)
Discussed (final revised paper)
Latest update: 31 Oct 2025
