Research article
|
11 Nov 2020
Research article |
|
11 Nov 2020
Long-term variations in ozone levels in the troposphere and lower stratosphere over Beijing: observations and model simulations
Yuli Zhang ,Mengchu Tao ,Jinqiang Zhang ,Yi Liu ,Hongbin Chen ,Zhaonan Cai ,and Paul Konopka
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Total article views: 3,315 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
BibTeX
EndNote
1,975
1,262
78
3,315
102
117
HTML: 1,975
PDF: 1,262
XML: 78
Total: 3,315
BibTeX: 102
EndNote: 117
Views and downloads (calculated since 20 Mar 2020)
Month
HTML
PDF
XML
Total
Mar 2020
175
60
2
237
Apr 2020
72
20
1
93
May 2020
33
17
0
50
Jun 2020
17
8
0
25
Jul 2020
13
9
3
25
Aug 2020
5
7
1
13
Sep 2020
7
4
0
11
Oct 2020
6
4
1
11
Nov 2020
195
73
2
270
Dec 2020
69
21
0
90
Jan 2021
47
12
0
59
Feb 2021
23
10
0
33
Mar 2021
18
11
0
29
Apr 2021
15
9
1
25
May 2021
15
14
1
30
Jun 2021
13
7
1
21
Jul 2021
17
12
0
29
Aug 2021
17
34
1
52
Sep 2021
18
16
0
34
Oct 2021
12
68
0
80
Nov 2021
13
57
0
70
Dec 2021
14
39
0
53
Jan 2022
12
41
0
53
Feb 2022
22
45
1
68
Mar 2022
16
41
0
57
Apr 2022
10
44
1
55
May 2022
7
28
0
35
Jun 2022
5
34
0
39
Jul 2022
11
28
0
39
Aug 2022
30
27
0
57
Sep 2022
14
4
0
18
Oct 2022
7
6
0
13
Nov 2022
19
10
0
29
Dec 2022
7
7
1
15
Jan 2023
11
4
1
16
Feb 2023
18
11
0
29
Mar 2023
35
6
0
41
Apr 2023
8
9
0
17
May 2023
11
18
0
29
Jun 2023
11
13
1
25
Jul 2023
10
10
1
21
Aug 2023
20
11
3
34
Sep 2023
11
9
0
20
Oct 2023
21
8
1
30
Nov 2023
15
3
1
19
Dec 2023
19
8
1
28
Jan 2024
17
4
0
21
Feb 2024
11
17
0
28
Mar 2024
28
21
1
50
Apr 2024
20
16
1
37
May 2024
21
9
0
30
Jun 2024
46
7
2
55
Jul 2024
28
6
2
36
Aug 2024
16
13
5
34
Sep 2024
15
4
0
19
Oct 2024
17
4
0
21
Nov 2024
13
6
2
21
Dec 2024
20
3
2
25
Jan 2025
27
16
1
44
Feb 2025
26
11
0
37
Mar 2025
27
12
4
43
Apr 2025
20
12
1
33
May 2025
32
5
0
37
Jun 2025
46
13
3
62
Jul 2025
20
13
3
36
Aug 2025
41
14
2
57
Sep 2025
59
20
1
80
Oct 2025
33
17
1
51
Nov 2025
47
21
6
74
Dec 2025
40
28
1
69
Jan 2026
60
25
10
95
Feb 2026
62
6
1
69
Mar 2026
19
2
3
24
Cumulative views and downloads
(calculated since 20 Mar 2020)
Month
HTML views
PDF downloads
XML downloads
Mar 2020
175
60
2
237
Apr 2020
247
80
3
330
May 2020
280
97
3
380
Jun 2020
297
105
3
405
Jul 2020
310
114
6
430
Aug 2020
315
121
7
443
Sep 2020
322
125
7
454
Oct 2020
328
129
8
465
Nov 2020
523
202
10
735
Dec 2020
592
223
10
825
Jan 2021
639
235
10
884
Feb 2021
662
245
10
917
Mar 2021
680
256
10
946
Apr 2021
695
265
11
971
May 2021
710
279
12
1,001
Jun 2021
723
286
13
1,022
Jul 2021
740
298
13
1,051
Aug 2021
757
332
14
1,103
Sep 2021
775
348
14
1,137
Oct 2021
787
416
14
1,217
Nov 2021
800
473
14
1,287
Dec 2021
814
512
14
1,340
Jan 2022
826
553
14
1,393
Feb 2022
848
598
15
1,461
Mar 2022
864
639
15
1,518
Apr 2022
874
683
16
1,573
May 2022
881
711
16
1,608
Jun 2022
886
745
16
1,647
Jul 2022
897
773
16
1,686
Aug 2022
927
800
16
1,743
Sep 2022
941
804
16
1,761
Oct 2022
948
810
16
1,774
Nov 2022
967
820
16
1,803
Dec 2022
974
827
17
1,818
Jan 2023
985
831
18
1,834
Feb 2023
1,003
842
18
1,863
Mar 2023
1,038
848
18
1,904
Apr 2023
1,046
857
18
1,921
May 2023
1,057
875
18
1,950
Jun 2023
1,068
888
19
1,975
Jul 2023
1,078
898
20
1,996
Aug 2023
1,098
909
23
2,030
Sep 2023
1,109
918
23
2,050
Oct 2023
1,130
926
24
2,080
Nov 2023
1,145
929
25
2,099
Dec 2023
1,164
937
26
2,127
Jan 2024
1,181
941
26
2,148
Feb 2024
1,192
958
26
2,176
Mar 2024
1,220
979
27
2,226
Apr 2024
1,240
995
28
2,263
May 2024
1,261
1,004
28
2,293
Jun 2024
1,307
1,011
30
2,348
Jul 2024
1,335
1,017
32
2,384
Aug 2024
1,351
1,030
37
2,418
Sep 2024
1,366
1,034
37
2,437
Oct 2024
1,383
1,038
37
2,458
Nov 2024
1,396
1,044
39
2,479
Dec 2024
1,416
1,047
41
2,504
Jan 2025
1,443
1,063
42
2,548
Feb 2025
1,469
1,074
42
2,585
Mar 2025
1,496
1,086
46
2,628
Apr 2025
1,516
1,098
47
2,661
May 2025
1,548
1,103
47
2,698
Jun 2025
1,594
1,116
50
2,760
Jul 2025
1,614
1,129
53
2,796
Aug 2025
1,655
1,143
55
2,853
Sep 2025
1,714
1,163
56
2,933
Oct 2025
1,747
1,180
57
2,984
Nov 2025
1,794
1,201
63
3,058
Dec 2025
1,834
1,229
64
3,127
Jan 2026
1,894
1,254
74
3,222
Feb 2026
1,956
1,260
75
3,291
Mar 2026
1,975
1,262
78
3,315
Total article views: 2,594 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
BibTeX
EndNote
1,596
933
65
2,594
82
97
HTML: 1,596
PDF: 933
XML: 65
Total: 2,594
BibTeX: 82
EndNote: 97
Views and downloads (calculated since 11 Nov 2020)
Month
HTML
PDF
XML
Total
Nov 2020
189
68
2
259
Dec 2020
67
20
0
87
Jan 2021
46
8
0
54
Feb 2021
22
7
0
29
Mar 2021
17
7
0
24
Apr 2021
15
7
1
23
May 2021
15
10
1
26
Jun 2021
11
6
1
18
Jul 2021
14
8
0
22
Aug 2021
16
34
1
51
Sep 2021
18
15
0
33
Oct 2021
12
66
0
78
Nov 2021
13
52
0
65
Dec 2021
14
36
0
50
Jan 2022
11
37
0
48
Feb 2022
22
39
1
62
Mar 2022
16
40
0
56
Apr 2022
10
42
1
53
May 2022
7
26
0
33
Jun 2022
5
34
0
39
Jul 2022
11
28
0
39
Aug 2022
30
26
0
56
Sep 2022
14
3
0
17
Oct 2022
6
6
0
12
Nov 2022
17
7
0
24
Dec 2022
5
5
1
11
Jan 2023
11
4
1
16
Feb 2023
18
6
0
24
Mar 2023
34
3
0
37
Apr 2023
7
2
0
9
May 2023
11
5
0
16
Jun 2023
10
2
1
13
Jul 2023
10
7
1
18
Aug 2023
19
8
3
30
Sep 2023
10
9
0
19
Oct 2023
19
4
1
24
Nov 2023
15
3
1
19
Dec 2023
18
6
1
25
Jan 2024
17
1
0
18
Feb 2024
11
14
0
25
Mar 2024
27
14
1
42
Apr 2024
20
11
1
32
May 2024
21
6
0
27
Jun 2024
45
4
2
51
Jul 2024
27
5
2
34
Aug 2024
16
10
5
31
Sep 2024
15
3
0
18
Oct 2024
17
3
0
20
Nov 2024
13
6
2
21
Dec 2024
20
3
2
25
Jan 2025
27
9
0
36
Feb 2025
22
8
0
30
Mar 2025
27
10
4
41
Apr 2025
20
7
1
28
May 2025
30
4
0
34
Jun 2025
42
11
3
56
Jul 2025
20
11
3
34
Aug 2025
39
6
1
46
Sep 2025
59
19
1
79
Oct 2025
33
15
1
49
Nov 2025
46
15
5
66
Dec 2025
39
19
1
59
Jan 2026
59
16
8
83
Feb 2026
60
5
1
66
Mar 2026
19
2
3
24
Cumulative views and downloads
(calculated since 11 Nov 2020)
Month
HTML views
PDF downloads
XML downloads
Nov 2020
189
68
2
Dec 2020
256
88
2
Jan 2021
302
96
2
Feb 2021
324
103
2
Mar 2021
341
110
2
Apr 2021
356
117
3
May 2021
371
127
4
Jun 2021
382
133
5
Jul 2021
396
141
5
Aug 2021
412
175
6
Sep 2021
430
190
6
Oct 2021
442
256
6
Nov 2021
455
308
6
Dec 2021
469
344
6
Jan 2022
480
381
6
Feb 2022
502
420
7
Mar 2022
518
460
7
Apr 2022
528
502
8
May 2022
535
528
8
Jun 2022
540
562
8
Jul 2022
551
590
8
Aug 2022
581
616
8
Sep 2022
595
619
8
Oct 2022
601
625
8
Nov 2022
618
632
8
Dec 2022
623
637
9
Jan 2023
634
641
10
Feb 2023
652
647
10
Mar 2023
686
650
10
Apr 2023
693
652
10
May 2023
704
657
10
Jun 2023
714
659
11
Jul 2023
724
666
12
Aug 2023
743
674
15
Sep 2023
753
683
15
Oct 2023
772
687
16
Nov 2023
787
690
17
Dec 2023
805
696
18
Jan 2024
822
697
18
Feb 2024
833
711
18
Mar 2024
860
725
19
Apr 2024
880
736
20
May 2024
901
742
20
Jun 2024
946
746
22
Jul 2024
973
751
24
Aug 2024
989
761
29
Sep 2024
1,004
764
29
Oct 2024
1,021
767
29
Nov 2024
1,034
773
31
Dec 2024
1,054
776
33
Jan 2025
1,081
785
33
Feb 2025
1,103
793
33
Mar 2025
1,130
803
37
Apr 2025
1,150
810
38
May 2025
1,180
814
38
Jun 2025
1,222
825
41
Jul 2025
1,242
836
44
Aug 2025
1,281
842
45
Sep 2025
1,340
861
46
Oct 2025
1,373
876
47
Nov 2025
1,419
891
52
Dec 2025
1,458
910
53
Jan 2026
1,517
926
61
Feb 2026
1,577
931
62
Mar 2026
1,596
933
65
Total article views: 721 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
BibTeX
EndNote
379
329
13
721
20
20
HTML: 379
PDF: 329
XML: 13
Total: 721
BibTeX: 20
EndNote: 20
Views and downloads (calculated since 20 Mar 2020)
Month
HTML
PDF
XML
Total
Mar 2020
175
60
2
237
Apr 2020
72
20
1
93
May 2020
33
17
0
50
Jun 2020
17
8
0
25
Jul 2020
13
9
3
25
Aug 2020
5
7
1
13
Sep 2020
7
4
0
11
Oct 2020
6
4
1
11
Nov 2020
6
5
0
11
Dec 2020
2
1
0
3
Jan 2021
1
4
0
5
Feb 2021
1
3
0
4
Mar 2021
1
4
0
5
Apr 2021
2
0
2
May 2021
4
0
4
Jun 2021
2
1
0
3
Jul 2021
3
4
0
7
Aug 2021
1
0
1
Sep 2021
1
0
1
Oct 2021
2
0
2
Nov 2021
5
0
5
Dec 2021
3
0
3
Jan 2022
1
4
0
5
Feb 2022
6
0
6
Mar 2022
1
0
1
Apr 2022
2
0
2
May 2022
2
0
2
Jun 2022
0
Jul 2022
0
Aug 2022
1
0
1
Sep 2022
1
0
1
Oct 2022
1
0
1
Nov 2022
2
3
0
5
Dec 2022
2
2
0
4
Jan 2023
0
Feb 2023
5
0
5
Mar 2023
1
3
0
4
Apr 2023
1
7
0
8
May 2023
13
0
13
Jun 2023
1
11
0
12
Jul 2023
3
0
3
Aug 2023
1
3
0
4
Sep 2023
1
0
1
Oct 2023
2
4
0
6
Nov 2023
0
Dec 2023
1
2
0
3
Jan 2024
3
0
3
Feb 2024
3
0
3
Mar 2024
1
7
0
8
Apr 2024
5
0
5
May 2024
3
0
3
Jun 2024
1
3
0
4
Jul 2024
1
1
0
2
Aug 2024
3
0
3
Sep 2024
1
0
1
Oct 2024
1
0
1
Nov 2024
0
Dec 2024
0
Jan 2025
7
1
8
Feb 2025
4
3
0
7
Mar 2025
2
0
2
Apr 2025
5
0
5
May 2025
2
1
0
3
Jun 2025
4
2
0
6
Jul 2025
2
0
2
Aug 2025
2
8
1
11
Sep 2025
1
0
1
Oct 2025
2
0
2
Nov 2025
1
6
1
8
Dec 2025
1
9
0
10
Jan 2026
1
9
2
12
Feb 2026
2
1
0
3
Mar 2026
0
Cumulative views and downloads
(calculated since 20 Mar 2020)
Month
HTML views
PDF downloads
XML downloads
Mar 2020
175
60
2
Apr 2020
247
80
3
May 2020
280
97
3
Jun 2020
297
105
3
Jul 2020
310
114
6
Aug 2020
315
121
7
Sep 2020
322
125
7
Oct 2020
328
129
8
Nov 2020
334
134
8
Dec 2020
336
135
8
Jan 2021
337
139
8
Feb 2021
338
142
8
Mar 2021
339
146
8
Apr 2021
339
148
8
May 2021
339
152
8
Jun 2021
341
153
8
Jul 2021
344
157
8
Aug 2021
345
157
8
Sep 2021
345
158
8
Oct 2021
345
160
8
Nov 2021
345
165
8
Dec 2021
345
168
8
Jan 2022
346
172
8
Feb 2022
346
178
8
Mar 2022
346
179
8
Apr 2022
346
181
8
May 2022
346
183
8
Jun 2022
346
183
8
Jul 2022
346
183
8
Aug 2022
346
184
8
Sep 2022
346
185
8
Oct 2022
347
185
8
Nov 2022
349
188
8
Dec 2022
351
190
8
Jan 2023
351
190
8
Feb 2023
351
195
8
Mar 2023
352
198
8
Apr 2023
353
205
8
May 2023
353
218
8
Jun 2023
354
229
8
Jul 2023
354
232
8
Aug 2023
355
235
8
Sep 2023
356
235
8
Oct 2023
358
239
8
Nov 2023
358
239
8
Dec 2023
359
241
8
Jan 2024
359
244
8
Feb 2024
359
247
8
Mar 2024
360
254
8
Apr 2024
360
259
8
May 2024
360
262
8
Jun 2024
361
265
8
Jul 2024
362
266
8
Aug 2024
362
269
8
Sep 2024
362
270
8
Oct 2024
362
271
8
Nov 2024
362
271
8
Dec 2024
362
271
8
Jan 2025
362
278
9
Feb 2025
366
281
9
Mar 2025
366
283
9
Apr 2025
366
288
9
May 2025
368
289
9
Jun 2025
372
291
9
Jul 2025
372
293
9
Aug 2025
374
301
10
Sep 2025
374
302
10
Oct 2025
374
304
10
Nov 2025
375
310
11
Dec 2025
376
319
11
Jan 2026
377
328
13
Feb 2026
379
329
13
Mar 2026
379
329
13
Viewed (geographical distribution)
Total article views: 3,315 (including HTML, PDF, and XML)
Thereof 3,220 with geography defined
and 95 with unknown origin.
Total article views: 2,594 (including HTML, PDF, and XML)
Thereof 2,585 with geography defined
and 9 with unknown origin.
Total article views: 721 (including HTML, PDF, and XML)
Thereof 635 with geography defined
and 86 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: 17 Mar 2026
