Soil Drought and Vegetation Response during 2001–2015 in North China Based on GLDAS and MODIS Data

Table 2

Drought events in North China during 2001–2015.

ID	Period	Duration (months)	Area (km^2)	Location	Integrated drought severity index	China flood and drought disaster bulletin (2006–2015)
1	200104–200201	10	685707	Whole area to the southern part of the study area	−12366
2	200112–200204	5	439073	Eastern part of Hebei to Hebei and Shandong	−4399
3	200207–200301	7	570604	Shandong	−8519
4	200402–200405	4	90595	Southern part of Shanxi	−489
5	200503–200505	3	228620	Central and southern parts of Shanxi	−1421
6	200509–200605	9	381425	Central and northern parts of Shanxi to Hebei	−7770	Rainfall continued to be low and the temperature picked up around March 2006 in most of the areas in the north of Yellow River
7	200609–200702	6	560884	Whole area to northern and eastern parts of the study area	−7516	During autumn and winter in 2006, drought occurred in the eastern part of North China
8	200706–200709	4	159561	Northern part of Beijing-Tianjin-Hebei	−1153	In early June 2007, drought continued to develop in most of North China
9	200811–200904	6	520993	Most part of the study area	−5391	After mid-November 2008, precipitation was less than normal in most parts of the country, which threatened the growth of winter wheat in North China
10	200908–201001	6	140548	Northern part of Beijing-Tianjin-Heijing to the northern part of Hebei	−1728	From late July to late August 2009, due to less rainfall and high temperature, the drought in some parts of North China progressed, and severe drought appeared in the northern part of Hebei and northern and southern parts of Shanxi
11	201006–201009	4	352889	Eastern part of Hebei to whole Hebei to the northern part of Shanxi	−1488	From June to July 2010, most areas in North China experienced continuous high temperature and light rainy weather. In June 2010, precipitation in Shanxi continued to be low, with the highest temperature in the same period since 1961
12	201011–201109	11	673135	Whole study area to the southern part of the study area	−14835	From October 2010 to February 2011, precipitation in Henan and Shandong dropped by more than 80% over the same period of previous years
13	201109–201111	3	86590	Northern part of Hebei	−577
14	201206–201209	4	185811	Southern part of Shandong and southern part of Henan	−1073	In June 2012, the precipitation continued to be less than normal in most of Yellow River and Huaihe area (Huanghuai)
15	201210–201305	8	349892	Junction of Shanxi and Henan to the southwestern part of the study area	−2851
16	201309–201404	8	392483	Henan to Shandong	−4783	After the autumn of 2013, precipitation continued to be relatively low in the southwestern part of North China and the northwestern part of Huanghuai, threatening the sowing and growth of winter wheat
17	201406–201412	7	575860	Henan and Shandong to the northern part of the study area	−5560	During June to late August 2014, the temperature was high and the rainfall was low in North China
18	201501–201503	3	58077	Central part of Henan	−303	From December 2014 to April 2015, the precipitation in Henan was the fourth lowest since 1961
19	201506–201512	7	585914	Central part of the study area to the southern part of Henan	−6350	From June to July in 2015, the rainfall was less than normal and the temperature was high in most parts of North China.