Assessment of Shoreline Deformation Using InSAR and DSAS along the San Bartholomeo River, Niger Delta, Nigeria

World Journal of Geomatics and Geosciences | Vol 5, Issue 1

Table 2. Evaluation of the Extent of ShorelineDeformation along the Study Area

Chainages	Shoreline Elevation (m)				Subsidence Change (m)
Chainages	Z_1995	Z_2005	Z_2015	Z_2025	1995-2005	2005-2015	2015-2025
0+0000	26.991	34.026	23.468	23.477	-7.036	10.558	-0.009
0+1000	30.235	32.328	29.208	29.170	-2.093	3.120	0.038
0+2000	35.012	36.789	34.291	33.957	-1.777	2.498	0.334
0+3000	27.722	34.066	24.562	24.540	-6.343	9.504	0.022
0+4000	29.056	20.426	33.134	33.609	8.631	-12.708	-0.475
0+5000	24.906	19.071	27.835	27.811	5.835	-8.764	0.024
0+6000	27.838	18.182	32.696	32.636	9.656	-14.514	0.061
0+7000	33.016	46.827	26.128	26.094	-13.811	20.699	0.034
0+8000	25.435	29.435	23.423	23.370	-4.026	6.012	0.053
0+9000	30.168	31.334	29.530	29.641	-1.166	1.804	-0.111
1+0000	30.127	31.310	29.532	29.538	-1.183	1.778	-0.006
1+1000	35.178	22.995	41.104	41.436	12.183	-18.109	-0.332
1+2000	31.506	29.127	32.675	32.717	2.380	-3.548	-0.042
1+3000	28.744	30.192	27.988	28.052	-1.448	2.204	-0.064
1+4000	26.787	28.111	26.143	26.107	-1.324	1.967	0.037
1+5000	25.739	29.495	23.862	23.862	-3.756	5.633	0.000
1+6000	27.179	28.954	26.217	26.367	-1.775	2.737	-0.150
1+7000	29.071	30.194	28.477	28.542	-1.123	1.717	-0.065
1+8000	26.951	28.076	26.210	26.568	-1.125	1.866	-0.359
1+9000	25.112	19.487	28.006	27.844	5.626	-8.520	0.162
2+0000	28.530	19.000	33.295	33.295	9.530	-14.295	0.000
2+1000	23.820	19.065	26.208	26.186	4.755	-7.143	0.022
2+2000	24.692	18.861	27.751	27.464	5.831	-8.890	0.287
2+3000	26.701	30.007	25.049	25.046	-3.306	4.958	0.002
2+4000	28.675	19.859	33.226	32.940	8.816	-13.367	0.286
2+5000	25.624	19.371	28.522	28.979	6.253	-9.150	-0.457
2+6000	27.945	31.041	26.391	26.405	-3.095	4.650	-0.014
2+7000	25.143	24.347	25.598	25.483	0.796	-1.251	0.116
2+8000	25.884	23.380	27.073	27.200	2.504	-3.693	-0.127
2+9000	25.130	18.759	28.442	28.189	6.371	-9.683	0.253
3+0000	27.181	28.818	26.499	26.226	-1.637	2.319	0.273
3+1000	27.039	28.392	26.428	26.297	-1.353	1.964	0.131
3+2000	30.892	34.132	29.083	29.461	-3.240	5.049	-0.377
3+3000	25.092	20.750	27.138	27.388	4.342	-6.388	-0.250
3+4000	24.801	28.109	23.128	23.165	-3.309	4.981	-0.036
3+5000	23.437	24.209	23.086	23.016	-0.772	1.124	0.070
3+6000	24.650	26.295	23.877	23.778	-1.645	2.418	0.098
3+7000	24.299	24.218	24.376	24.304	0.081	-0.158	0.073
3+8000	28.137	28.560	28.019	27.832	-0.423	0.541	0.187
3+9000	24.140	25.012	23.706	23.702	-0.872	1.306	0.004
4+0000	22.032	20.051	23.014	23.030	1.981	-2.963	-0.017
4+0178	24.757	22.002	26.135	26.135	2.755	-4.133	0.001