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Table 1 Field measurements for gullies and slides in the study area

From: Geotechnical evaluation of gully erosion and landslides materials and their impact in Iguosa and its environs, southern Nigeria

S/N Longitudes (E) Latitudes (N) Elevations (m) Lateralextents (m) Depth (m) Width (m) Slopeangle (°) Description of slope
1 05°41′23″ 06°27′40″ 332.00 80.0 68.7 23.2 32 Steepslope
2 05°37′43″ 06°29′41″ 310.80 40.2 68.2 20.4 31 Steepslope
3 05°43′16″ 06°28′32″ 306.00 80.0 66.9 28.4 20 Moderately steepslope
4 05040′10″ 06°28′30″ 200.40 73.0 66.3 31.6 18 Moderately steepslope
5 05°12′13″ 06°24′00″ 120.00 64.0 64.7 30.4 16 Moderately steepslope
6 05°13′13″ 06°04′14″ 118.60 93.0 67.0 33.8 13 Moderateslope
7 05°32′07″ 06°32′00″ 58.40 69.4 67.1 33.7 10 Moderateslope
8 05°12′18″ 06°37′01″ 26.30 80.2 20.3 72.6 09 Gentleslope
9 05°37′13″ 06°25′00″ 24.70 50.2 4.1 46.7 07 Gentleslope
10 05° 35′00″ 06°27′01″ 22.86 43.0 2.6 30.4 07 Gentleslope
11 05°32′13″ 06°24′00″ 120.00 64.0 60.7 40.4 16 Moderately steepslope
12 05°34′00″ 06° 27′01″ 118.60 93.0 65.0 34.8 13 Moderately steepslope
13 05°37′13″ 06°28′32″ 306.00 80.0 66.9 28.4 20 Moderately steepslope
14 05°41′30″ 06°27′40″ 200.40 73.0 64.3 32.6 18 Moderatelysteepslope
15 05°52′13″ 07034′00″ 120.00 64.0 64.7 32.4 16 Moderately steepslope
16 05°37′40″ 06°26′30″ 332.0 80.0 60.7 24.2 32 Steepslope
17 05°38 13″ 06°25′00″ 310.80 40.2 68.4 20.4 31 Steepslope
18 05°43′16″ 06°38′32″ 308.00 80.0 66.9 30.4 32 Steepslope
19 05°44′10″ 06038′30″ 204.40 73.0 64.3 32.6 32 Steepslope
20 05°45′13″ 06°40′00″ 122.00 64.0 63.7 30.4 32 Steepslope
    MEAN = 183.11 MEAN = 87.30 MEAN = 57.07 MEAN = 32.24 MEAN = 20.25 Remarks: gentle steepslopes