F. Bagayoko , S. Yonkeu , and N. C. van de Giesen
The sensitivity of the land surface model of the National Centers for Environmental Prediction (NCEP), the Oregon State University, the Air Force and the Hydrologic Research Lab (NOAH LSM) was evaluated with respect to the seasonal dynamics of the vegetation cover in the savanna area under intensive agriculture in the eastern part of Burkina Faso, West Africa. The data collected during the first long-term measurement of the surface fluxes in this mentioned region was used for this purpose. The choice of NOAH LSM was motivated by the fact that it has already been tested in different environments in West Africa, especially in Ghana.
The sensitivity was tested by comparing the simulated surfaces fluxes using a fixed values of the roughness length for momentum as a standard in the model and the true seasonal value of this variable. The results show that NOAH LSM was not sensitive to the change of the roughness length for momentum neither on a seasonal basis nor on a daily basis, which was found to be abnormal. The formulation of the coefficient (Bc ) coupling the dry canopy transpiration to the atmosphere was found to be the main reason for this. An improved formulation for this coefficient was given to solve this insensitivity and to improve the performance of the model. Recommendations are also given to enhance the performance of the model in the West African savanna environment.
Received: 16 Jan 2006 – Discussion started: 12 Sep 2006
F. Bagayoko , S. Yonkeu , and N. C. van de Giesen
Status: closed (peer review stopped)
Status: closed (peer review stopped)
AC : Author comment | RC : Referee comment | SC : Short comment | EC : Editor comment
- Printer-friendly version
- Supplement
Status: closed (peer review stopped)
Status: closed (peer review stopped)
AC : Author comment | RC : Referee comment | SC : Short comment | EC : Editor comment
- Printer-friendly version
- Supplement
F. Bagayoko , S. Yonkeu , and N. C. van de Giesen
F. Bagayoko , S. Yonkeu , and N. C. van de Giesen
Viewed
Total article views: 1,234 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
BibTeX
EndNote
775
391
68
1,234
96
83
HTML: 775
PDF: 391
XML: 68
Total: 1,234
BibTeX: 96
EndNote: 83
Views and downloads (calculated since 01 Feb 2013)
Month
HTML
PDF
XML
Total
Feb 2013
3
9
1
13
Mar 2013
2
11
1
14
Apr 2013
7
0
7
May 2013
5
0
5
Jun 2013
1
5
0
6
Jul 2013
5
0
5
Aug 2013
5
0
5
Sep 2013
1
7
0
8
Oct 2013
1
5
0
6
Nov 2013
1
5
0
6
Dec 2013
1
6
0
7
Jan 2014
3
7
0
10
Feb 2014
5
8
2
15
Mar 2014
5
10
1
16
Apr 2014
2
4
0
6
May 2014
7
0
7
Jun 2014
9
0
9
Jul 2014
1
8
0
9
Aug 2014
1
9
0
10
Sep 2014
3
8
0
11
Oct 2014
6
9
0
15
Nov 2014
3
9
0
12
Dec 2014
9
9
0
18
Jan 2015
1
3
0
4
Feb 2015
4
1
0
5
Mar 2015
7
2
0
9
Apr 2015
12
0
12
May 2015
1
2
0
3
Jun 2015
5
1
0
6
Jul 2015
8
4
0
12
Aug 2015
3
2
0
5
Sep 2015
1
1
0
2
Oct 2015
4
1
0
5
Nov 2015
6
0
6
Dec 2015
1
0
1
Jan 2016
7
3
0
10
Feb 2016
6
6
1
13
Mar 2016
10
3
0
13
Apr 2016
8
3
0
11
May 2016
4
2
0
6
Jun 2016
7
2
0
9
Jul 2016
5
3
1
9
Aug 2016
3
2
0
5
Sep 2016
4
1
0
5
Oct 2016
2
7
9
Nov 2016
3
6
10
19
Dec 2016
3
1
0
4
Jan 2017
3
2
0
5
Feb 2017
6
1
0
7
Mar 2017
16
3
0
19
Apr 2017
15
0
15
May 2017
16
4
1
21
Jun 2017
20
1
1
22
Jul 2017
9
1
1
11
Aug 2017
4
2
0
6
Sep 2017
6
1
0
7
Oct 2017
4
0
4
Nov 2017
3
1
0
4
Dec 2017
4
2
0
6
Jan 2018
10
2
0
12
Feb 2018
14
1
1
16
Mar 2018
4
2
0
6
Apr 2018
6
3
0
9
May 2018
9
3
0
12
Jun 2018
4
2
0
6
Jul 2018
3
3
0
6
Aug 2018
2
2
0
4
Sep 2018
4
3
0
7
Oct 2018
4
6
0
10
Nov 2018
5
3
0
8
Dec 2018
4
3
0
7
Jan 2019
5
3
0
8
Feb 2019
4
1
0
5
Mar 2019
4
3
0
7
Apr 2019
3
2
0
5
May 2019
2
3
0
5
Jun 2019
6
4
0
10
Jul 2019
5
0
5
Aug 2019
3
2
0
5
Sep 2019
2
0
2
Oct 2019
2
2
0
4
Nov 2019
7
4
0
11
Dec 2019
2
2
0
4
Jan 2020
1
0
1
Feb 2020
1
3
0
4
Mar 2020
2
1
0
3
Apr 2020
1
0
1
May 2020
5
0
5
Jun 2020
9
1
1
11
Jul 2020
14
10
10
34
Aug 2020
4
2
3
9
Sep 2020
2
0
2
Oct 2020
4
3
1
8
Nov 2020
6
3
1
10
Dec 2020
4
2
1
7
Jan 2021
10
4
1
15
Feb 2021
8
3
0
11
Mar 2021
4
2
0
6
Apr 2021
5
5
0
10
May 2021
6
2
0
8
Jun 2021
5
1
0
6
Jul 2021
10
1
0
11
Aug 2021
7
0
7
Sep 2021
9
0
9
Oct 2021
10
4
0
14
Nov 2021
10
2
0
12
Dec 2021
15
4
0
19
Jan 2022
15
1
0
16
Feb 2022
14
0
14
Mar 2022
11
1
1
13
Apr 2022
8
1
1
10
May 2022
8
2
1
11
Jun 2022
4
1
1
6
Jul 2022
19
1
0
20
Aug 2022
5
3
0
8
Sep 2022
4
0
4
Oct 2022
8
2
0
10
Nov 2022
10
3
0
13
Dec 2022
7
3
0
10
Jan 2023
13
3
1
17
Feb 2023
12
3
1
16
Mar 2023
8
1
0
9
Apr 2023
6
3
0
9
May 2023
5
3
0
8
Jun 2023
6
1
1
8
Jul 2023
11
1
3
15
Aug 2023
5
1
0
6
Sep 2023
8
1
1
10
Oct 2023
5
1
0
6
Nov 2023
8
1
0
9
Dec 2023
5
0
5
Jan 2024
12
1
13
Feb 2024
7
1
2
10
Mar 2024
9
3
1
13
Apr 2024
8
3
7
18
Cumulative views and downloads
(calculated since 01 Feb 2013)
Month
HTML views
PDF downloads
XML downloads
Feb 2013
3
9
1
Mar 2013
5
20
2
Apr 2013
5
27
2
May 2013
5
32
2
Jun 2013
6
37
2
Jul 2013
6
42
2
Aug 2013
6
47
2
Sep 2013
7
54
2
Oct 2013
8
59
2
Nov 2013
9
64
2
Dec 2013
10
70
2
Jan 2014
13
77
2
Feb 2014
18
85
4
Mar 2014
23
95
5
Apr 2014
25
99
5
May 2014
25
106
5
Jun 2014
25
115
5
Jul 2014
26
123
5
Aug 2014
27
132
5
Sep 2014
30
140
5
Oct 2014
36
149
5
Nov 2014
39
158
5
Dec 2014
48
167
5
Jan 2015
49
170
5
Feb 2015
53
171
5
Mar 2015
60
173
5
Apr 2015
72
173
5
May 2015
73
175
5
Jun 2015
78
176
5
Jul 2015
86
180
5
Aug 2015
89
182
5
Sep 2015
90
183
5
Oct 2015
94
184
5
Nov 2015
100
184
5
Dec 2015
101
184
5
Jan 2016
108
187
5
Feb 2016
114
193
6
Mar 2016
124
196
6
Apr 2016
132
199
6
May 2016
136
201
6
Jun 2016
143
203
6
Jul 2016
148
206
7
Aug 2016
151
208
7
Sep 2016
155
209
7
Oct 2016
157
209
14
Nov 2016
160
215
24
Dec 2016
163
216
24
Jan 2017
166
218
24
Feb 2017
172
219
24
Mar 2017
188
222
24
Apr 2017
203
222
24
May 2017
219
226
25
Jun 2017
239
227
26
Jul 2017
248
228
27
Aug 2017
252
230
27
Sep 2017
258
231
27
Oct 2017
262
231
27
Nov 2017
265
232
27
Dec 2017
269
234
27
Jan 2018
279
236
27
Feb 2018
293
237
28
Mar 2018
297
239
28
Apr 2018
303
242
28
May 2018
312
245
28
Jun 2018
316
247
28
Jul 2018
319
250
28
Aug 2018
321
252
28
Sep 2018
325
255
28
Oct 2018
329
261
28
Nov 2018
334
264
28
Dec 2018
338
267
28
Jan 2019
343
270
28
Feb 2019
347
271
28
Mar 2019
351
274
28
Apr 2019
354
276
28
May 2019
356
279
28
Jun 2019
362
283
28
Jul 2019
367
283
28
Aug 2019
370
285
28
Sep 2019
372
285
28
Oct 2019
374
287
28
Nov 2019
381
291
28
Dec 2019
383
293
28
Jan 2020
384
293
28
Feb 2020
385
296
28
Mar 2020
387
297
28
Apr 2020
387
298
28
May 2020
392
298
28
Jun 2020
401
299
29
Jul 2020
415
309
39
Aug 2020
419
311
42
Sep 2020
421
311
42
Oct 2020
425
314
43
Nov 2020
431
317
44
Dec 2020
435
319
45
Jan 2021
445
323
46
Feb 2021
453
326
46
Mar 2021
457
328
46
Apr 2021
462
333
46
May 2021
468
335
46
Jun 2021
473
336
46
Jul 2021
483
337
46
Aug 2021
490
337
46
Sep 2021
499
337
46
Oct 2021
509
341
46
Nov 2021
519
343
46
Dec 2021
534
347
46
Jan 2022
549
348
46
Feb 2022
563
348
46
Mar 2022
574
349
47
Apr 2022
582
350
48
May 2022
590
352
49
Jun 2022
594
353
50
Jul 2022
613
354
50
Aug 2022
618
357
50
Sep 2022
622
357
50
Oct 2022
630
359
50
Nov 2022
640
362
50
Dec 2022
647
365
50
Jan 2023
660
368
51
Feb 2023
672
371
52
Mar 2023
680
372
52
Apr 2023
686
375
52
May 2023
691
378
52
Jun 2023
697
379
53
Jul 2023
708
380
56
Aug 2023
713
381
56
Sep 2023
721
382
57
Oct 2023
726
383
57
Nov 2023
734
384
57
Dec 2023
739
384
57
Jan 2024
751
384
58
Feb 2024
758
385
60
Mar 2024
767
388
61
Apr 2024
775
391
68
Cited
Saved
Latest update: 27 Apr 2024