Agricultural drought and its association with meteorological drought: A case study of the Huaihe River Basin above the Bengbu Sluice, China

Gang LUO; Tian RUAN; Cai CHEN; Chao GAO; Peng LI; Song-gen MA; He-li LI; Huan WANG

doi:10.31497/zrzyxb.20200418

Journal of Natural Resources, Volume. 35, Issue 4, 977(2020)

Agricultural drought and its association with meteorological drought: A case study of the Huaihe River Basin above the Bengbu Sluice, China

Gang LUO1... Tian RUAN2, Cai CHEN1, Chao GAO1,*, Peng LI3, Song-gen MA3, He-li LI3 and Huan WANG3 |Show fewer author(s)

Author Affiliations

¹Department of Geography & Spatial Information Techniques, Ningbo University, Ningbo 315211, Zhejiang, China

²School of Geography and Tourism, Anhui Normal University, Wuhu 241000, Anhui, China

³Zhumadian Hydrology and Water Resources Survey Bureau, Zhumadian 450003, Henan, China

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Figures & Tables(13)

Fig. 1. Geographical location map of the study area

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Fig. 2. Drought event identification process

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Fig. 3. Interannual variation of CWDI and M mean values in the whole growth period from 1961 to 2015

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Fig. 4. Interannual variation of CWDI and M mean value in the growth period of winter wheat from 1961 to 2015

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Fig. 5. Spatial distribution of CWDI and M indexes above moderate drought level in the whole growth period of winter wheat

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Fig. 6. Spatial distribution of CWDI and M indexes in the above moderate drought level and M-K trend test

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Fig. 7. Response of winter wheat drought to meteorological drought

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Fig. 8. Frequency curve of winter wheat drought and meteorological drought duration and severity (EX is the mean value)

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Table 1. The crop water deficit index (CWDI) and relative moisture (M) index drought classification

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Table 1. The crop water deficit index (CWDI) and relative moisture (M) index drought classification

等级	类型	作物水分亏缺指数CWDI/%		相对湿润度指数M
等级	类型	返青抽穗期	其余发育期	全生育期
0	无旱	CWDI≤30	CWDI≤35	-0.40<M
1	轻旱	30<CWDI≤40	35<CWDI≤50	-0.65<M≤-0.40
2	中旱	40<CWDI≤50	50<CWDI≤65	-0.80<M≤-0.65
3	重旱	50<CWDI≤60	65<CWDI≤80	-0.95<M≤-0.80
4	特旱	CWDI>60	CWDI>80	M≤-0.95

Table 2. Comparison of the consistency between CWDI and M indexes in the growth period of winter wheat (%)
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Table 2. Comparison of the consistency between CWDI and M indexes in the growth period of winter wheat (%)
指数占比冬前生长期越冬期返青抽穗期灌浆成熟期
CWDI 特旱一致年 11 15 35 4
无旱一致年 38 16 20 27
旱情年 53 80 76 67
特旱一致年 4 0 0 0
M 无旱一致年 51 35 46 44
旱情年 38 58 44 47

Table 3. Winter wheat drought and meteorological drought events in 1961-2015

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Table 3. Winter wheat drought and meteorological drought events in 1961-2015

序号	冬小麦干旱CWDI			气象干旱M
序号	起始时间/(年/月/旬)	历时/旬	烈度	起始时间/(年/月/旬)	历时/旬	烈度
1	1961/01/上至1961/06/下	18	12	1961/01/上至1961/06/中	17	10
2	1961/12/上至1962/06/中	20	13	1961/12/上至1962/05/下	18	12
3	1962/12/上至1963/03/上	11	7	1962/12/上至1963/03/上	11	7
4	1964/11/中至1965/06/下	23	15	1964/11/上至1965/06/下	24	12
5	1965/10/上至1966/06/下	27	17	1965/10/上至1966/06/中	25	10
6	1966/10/上至1967/06/下	27	16	1966/10/上至1967/06/中	26	11
7	1969/10/上至1970/06/下	27	18	1969/10/上至1970/04/上	19	9
8	1975/01/上至1975/06/下	18	11	1975/01/上至1975/06/中	17	6
9	1976/11/下至1977/04/上	14	10	1976/11/下至1977/03/上	11	9
10	1977/10/上至1978/06/下	27	16	1977/10/中至1978/06/中	25	10
11	1981/10/上至1982/06/下	27	16	1981/10/中至1982/06/下	26	10
12	1982/10/中至1983/06/中	25	15	1982/10/中至1983/06/上	24	12
13	1985/10/上至1986/06/下	27	17	1985/11/上至1986/06/上	22	14
14	1987/12/中至1988/06/下	20	13	1987/12/中至1988/06/下	20	10
15	1990/10/上至1991/02/上	13	7	1990/10/上至1991/01/中	11	5
16	1991/10/中至1992/03/上	15	11	1991/10/上至1992/02/下	15	8
17	1994/03/下至1994/06/下	10	6	1994/03/中至1994/06/中	10	4
18	1995/01/中至1995/06/下	17	11	1995/01/上至1995/06/上	16	11
19	1995/11/中至1996/06/中	22	14	1995/11/上至1996/05/下	21	13
20	1996/12/上至1997/06/中	17	11	1996/10/中至1997/06/中	12	12
21	1997/10/上至1998/02/下	9	5	1998/10/上至1999/02/下	15	12
22	2000/02/上至2000/06/下	15	10	2000/02/上至2000/05/下	12	9
23	2001/03/中至2001/06/下	11	8	2001/03/上至2001/06/上	10	8
24	2003/12/中至2004/06/下	20	12	2003/12/中至2004/05/下	17	10
25	2005/10/中至2006/06/下	20	13	2005/10/中至2006/06/上	25	14
26	2008/10/上至2009/02/中	14	10	2008/10/上至2009/01/下	12	9
27	2010/10/上至2011/06/下	27	21	2010/10/上至2011/06/上	25	19
28	2011/12/下至2012/06/下	19	13	2011/12/中至2012/06/中	19	13
29	2013/02/中至2013/06/下	14	9	2013/02/中至2013/06/中	13	7
30	2014/12/上至2015/03/下	12	8	2014/12/上至2015/03/上	10	7

Table 4. Comparison of measured and simulated values of winter wheat drought events

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Table 4. Comparison of measured and simulated values of winter wheat drought events

序号	干旱历时			干旱烈度
序号	实测值/旬	模拟值/旬	相对误差/%	实测值	模拟值	相对误差/%
21	14	16.83	20.25	9.5	14.70	54.69
22	15	13.28	11.45	9.88	12.72	28.76
23	11	10.67	3.00	8.05	11.54	43.35
24	20	19.00	5.01	12.17	12.94	6.35
25	17	19.00	11.76	11	12.58	14.40
26	14	13.28	5.13	10.02	11.84	18.12
27	27	26.42	2.15	21.37	19.77	7.50
28	19	21.02	10.65	13.27	15.81	19.11
29	14	14.51	3.65	9.22	10.49	13.80
30	12	10.67	11.08	8.1	10.10	24.73

Table 5. Recurrence period of drought events based on CWDI and M indexes

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Table 5. Recurrence period of drought events based on CWDI and M indexes

干旱事件序号	基于CWDI的干旱重现期/a			基于M的干旱重现期/a
干旱事件序号	历时重现期T_{C_S}	烈度重现期T_{C_D}	冬小麦干旱重现期T_C	历时重现期T_{M_S}	烈度重现期T_{M_D}	气象干旱重现期T_M
1	2.1	2.2	2.2	2.2	2.1	2.2
2	2.8	2.8	2.8	2.4	5.2	5.2
3	1.1	1.1	1.1	1.2	1.2	1.2
4	3.4	3.9	3.9	5.2	6.2	6.2
5	31	7.8	31	10.3	2.4	10.3
6	31	5.2	31	31	3.1	31
7	31	15.5	31	2.8	1.8	2.8
8	2.1	1.9	2.1	2.2	1.1	2.2
9	1.5	1.4	1.5	1.2	1.6	1.6
10	31	6.2	31	10.3	2.6	10.3
11	31	4.4	31	31	2.2	31
12	3.9	3.4	3.9	5.2	4.4	5.2
13	31	10.3	31	3.9	15.5	15.5
14	2.8	2.6	2.8	3.1	2.8	3.1
15	1.2	1.1	1.2	1.2	1.1	1.2
16	1.6	1.6	1.6	1.6	1.3	1.6
17	1.0	1.0	1.0	1.1	1.0	1.1
18	1.8	1.7	1.8	1.7	3.4	3.4
19	3.1	3.1	3.1	3.4	7.8	7.8
20	1.2	1.2	1.2	1.4	1.3	1.4
21	1.5	1.3	1.5	1.6	4.4	4.4
22	1.6	1.5	1.6	1.4	1.8	1.8
23	1.1	1.1	1.1	1.1	1.4	1.4
24	2.8	2.1	2.8	2.2	1.9	2.2
25	1.8	1.8	1.8	2.2	1.6	2.2
26	1.5	1.6	1.6	1.4	1.5	1.5
27	31	31	31	10.3	31	31
28	2.2	2.4	2.4	2.8	10.3	10.3
29	1.5	1.3	1.5	1.5	1.2	1.5
30	1.1	1.2	1.2	1.1	1.1	1.1

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Gang LUO, Tian RUAN, Cai CHEN, Chao GAO, Peng LI, Song-gen MA, He-li LI, Huan WANG. Agricultural drought and its association with meteorological drought: A case study of the Huaihe River Basin above the Bengbu Sluice, China[J]. Journal of Natural Resources, 2020, 35(4): 977

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Paper Information

Category:

Received: May. 20, 2019

Accepted: --

Published Online: Oct. 17, 2020

The Author Email: GAO Chao (gaoqinchao1@163.com)

DOI:10.31497/zrzyxb.20200418

Topics

Resource Economy

Research Articles

Table 1. The crop water deficit index (CWDI) and relative moisture (M) index drought classification

Table 1. The crop water deficit index (CWDI) and relative moisture (M) index drought classification

Table 2. Comparison of the consistency between CWDI and M indexes in the growth period of winter wheat (%)

Table 2. Comparison of the consistency between CWDI and M indexes in the growth period of winter wheat (%)

Table 3. Winter wheat drought and meteorological drought events in 1961-2015

Table 3. Winter wheat drought and meteorological drought events in 1961-2015

Table 4. Comparison of measured and simulated values of winter wheat drought events

Table 4. Comparison of measured and simulated values of winter wheat drought events

Table 5. Recurrence period of drought events based on CWDI and M indexes

Table 5. Recurrence period of drought events based on CWDI and M indexes

Table 1. The crop water deficit index (CWDI) and relative moisture (M) index drought classification

Table 1. The crop water deficit index (CWDI) and relative moisture (M) index drought classification

Table 2. Comparison of the consistency between CWDI and M indexes in the growth period of winter wheat (%)

Table 2. Comparison of the consistency between CWDI and M indexes in the growth period of winter wheat (%)

Table 3. Winter wheat drought and meteorological drought events in 1961-2015

Table 3. Winter wheat drought and meteorological drought events in 1961-2015

Table 4. Comparison of measured and simulated values of winter wheat drought events

Table 4. Comparison of measured and simulated values of winter wheat drought events

Table 5. Recurrence period of drought events based on CWDI and M indexes

Table 5. Recurrence period of drought events based on CWDI and M indexes

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