Identification of the spatio-temporal and fluvial-pluvial sources of flood inundation in the Lower Mekong Basin

Geoscience Letters

Official Journal of the Asia Oceania Geosciences Society (AOGS)

Table 2 Comparison of 30-day and 100-day precipitaiton for each spatial zone from 1982 to 2016

Year	30-day precipitation [10⁹ m³]				Total	100-day precipitation [10⁹ m³]				Total
Year	Zone 1	Zone 2	Zone 3	Zone 4	Total	Zone 1	Zone 2	Zone 3	Zone 4	Total
1982	17	37	83	33		68	137	217	88
1983	16	31	68	35		67	140	204	75
1984	17	59	102	48		78	137	218	99
1985	26	56	60	16		81	147	216	88
1986	24	54	83	49		53	131	203	98
1987	25	46	100	32		75	124	234	82
1988	12	18	58	29		58	112	183	56
1989	16	33	52	16		68	114	195	63
1990	16	40	84	45		70	144	249	108
1991	22	46	117	51		79	145	251	136
1992	15	38	80	50		54	113	213	118
1993	30	50	82	46		79	133	226	108
1994	17	53	112	54		63	162	269	143
1995	22	70	95	28		73	170	256	79
1996	18	28	105	57		71	136	247	117
1997	19	52	81	34		69	141	242	105
1998	18	49	66	31		80	136	183	80
1999	24	55	69	26		81	141	219	109
2000	25 (+25%)	38 (−36%)	70 (−20%)	51 (+21%)	184 (−12%)	77 (+10%)	142 (+1%)	255 (+9%)	150 (+36%)	624 (+12%)
2001	23	56	104	52		77	163	252	126
2002	19	51	114	57		69	141	271	129
2003	24	50	110	47		73	135	231	104
2004	20	48	82	29		73	143	259	129
2005	26	53	97	56		76	160	271	148
2006	18	67	96	61		63	164	256	138
2007	12	37	85	48		68	130	245	151
2008	27	70	80	37		68	153	237	100
2009	11	24	70	45		68	111	222	122
2010	22	48	106	31		68	143	250	76
2011	15 (−25%)	49 (−17%)	99 (+14%)	55 (+31%)	218 (+5%)	60 (−14%)	175 (24%)	296 (+26%)	135 (+23%)	666 (+20%)
2012	20	50	73	37		78	148	204	108
2013	20	41	91	62		72	166	266	143
2014	30	56	109	64		61	112	228	136
2015	26	Zone 2	72	29		61	128	212	93
2016	16	37	76	41		71	146	235	106
Avg	20	59	87	42	208	70	141	235	110	556

The values in brackets in 2000 and 2011 represent the relative value of increase (+) or decrease (−) compared to the average value of all 35-year data