Sentence examples for contour trenches from inspiring English sources
Continuous contour trenches (CCT), loose boulder structures (gully plugs) are the most suitable structures for hilly area as these structures will function initially as soil conservation structure and subsequently improve the soil moisture retention and also enhance the recharge to groundwater.
(FGD-Men, PWM village) The participants from WM village perceived, that plantation of trees across the slopes and contour trenches had helped to improve water conservation and it had also resulted in improvement of the quality and quantity of water in the well.
Consider digging contour trenches.
A contour trench is a shallow trench dug along the contour of a hillside so that it runs perpendicular to the flow of water.
Error is larger in the inside of the contour, and is low near the trench because the slip there is constrained to be small.
The gray thick and thin lines respectively denote the trench axis and depth contour of the subducting Pacific Plate (Hasegawa et al., 1994).
The area near the up-dip end of the fault zone, i.e. the area beyond the 10 km depth contour of the plate interface towards the trench, appears to be aseismic because no aftershocks with reverse-fault mechanisms have been observed near the trench so far (Fig. 2) despite the fact that the area is occupied by a strong positive ΔCFF.
The focal mechanism is shown for the 2008 Ibaraki-oki earthquake (M7.0) and the 2011 Tohoku-oki earthquake (M 9.0) Six to eight kilometer contours at the Japan Trench show the ocean-bottom topography.
It included replica trenches and dugouts, railway lines, roads, and accurate contours of the surrounding terrain.
Previous results for lines KPr1, DAr5, and DAr2 in the northernmost trench area (Nishizawa et al. 2009) also support trenchward positions of the 10-km contour.
