Soil salinity assessment by using near-infrared channel and Vegetation Soil Salinity Index derived from Landsat 8 OLI data: a case study in the Tra Vinh Province, Mekong Delta, Vietnam

Nguyen, Kim-Anh; Liou, Yuei-An; Tran, Ha-Phuong; Hoang, Phi-Phung; Nguyen, Thanh-Hung

doi:10.1186/s40645-019-0311-0

Progress in Earth and Planetary Science

Table 4 Salinity information of 41 samples, among which 29 (~ 70%) samples are used for training and 12 (~ 30%) samples highlighted in gray color are used for validation

From: Soil salinity assessment by using near-infrared channel and Vegetation Soil Salinity Index derived from Landsat 8 OLI data: a case study in the Tra Vinh Province, Mekong Delta, Vietnam

No.	Code	X (UTM WGS84_Zone48) (m)	Y (UTM WGS84_Zone48) (m)	Electrical conductivity (d/Sm)	Elevation (meter)	Soil types
1	L.01	649531	1098282	0.05	0	Sand dunes’ soil
2	P4N	654372	1081554	0.10	0	Sand dunes’ soil
3	P5N	653173	1081562	0.21	0	Less salty soil
4	P8	659690	1089314	0.22	0	Less salty soil
5	MP06	634243	1092238	0.30	6	Alluvial soil has yellowish reddish layer
6	MP01	650832	1097403	0.31	6	Less salty soil
7	MP05	640473	1095595	0.35	5	Alluvial soil has yellowish reddish layer
8	P2N	656426	1070927	0.36	0	Salty soil average
9	P7N	658718	1082446	0.37	0	Sand dunes’ soil
10	MP13	644985	1078898	0.42	2	Less salty soil
11	MP08	630202	1085956	0.45	2	Alluvial soil has yellowish reddish layer
12	P5N2	653218	1081402	0.45	0	Less salty soil
13	MP11	638932	1083668	0.48	3	Less salty soil
14	L.02	651590	1094664	0.51	3	Deep alkaline soils, saline soil average
15	MP02	650585	1099018	0.57	3	Less salty soil
16	P9-2	664137	1085331	0.60	0	Salty soil average
17	MP10	632954	1077177	0.62	3	Less salty soil
18	P10	664207	1082773	0.62	0	Salty soil
19	L.06	652801	1092571	0.63	3	Deep alkaline soils, saline soil average
20	MP03	649479	1100892	0.64	3	Less salty soil
21	P2N2	656415	1070929	0.64	0	Salty soil average
22	MP07	629148	1096882	0.69	1	Alluvial soil has yellowish reddish layer
23	MP14	647257	1071374	0.73	1	Salty soil under mangrove forest
24	MP04	648527	1100904	0.75	4	Less salty soil
25	L.03	651590	1094664	0.75	3	Deep alkaline soils, saline soil average
26	L.05	654466	1092021	0.80	3	Less salty soil
27	L.04	654689	1095002	0.83	3	Potential of deep alkaline soil, saline soil average
28	P9	664121	1085370	1.46		Soil disturbance by cultivation
29	L.07	654726	1087204	1.60		Sand dunes’ soil
30	P3N	657943	1076231	3.01		Less salty soil
31	L.13	654128	1061941	3.45		Salty soil
32	P12	661696	1069167	3.65		Salty soil
33	L11 N	664955	1072706	3.88		Salty soil average
34	P13	652229	1066825	4.36		Less salty soil
35	L.12	662432	1063649	4.66		Salty soil
36	L.14	649923	1061131	5.19		Salty soil under mangrove forest
37	L.11	662631	1058792	5.26		Soil disturbance by cultivation
38	L.15	646814	1062193	5.36		Soil disturbance by cultivation
39	L.10	669545	1062763	7.53		Potential of shallow alkaline soil, under mangrove forest
40	L.08	667320	1069881	8.20		Potential of shallow alkaline soil, under mangrove forest
41	L.09	671460	1068779	9.31		Potential of shallow alkaline soil, under mangrove forest

Back to article page