Related by context. Frequent words. (Click for all words.) 56 silting 55 sedimentation 54 subsidence 54 spalling 53 shoaling 51 Subsidence 51 shoreline erosion 49 silt 49 siltation 49 seepage 49 discolouration 49 ponding 48 silts 48 breakage 48 sediment 47 groynes 47 crustal 47 landslip 47 roadbeds 47 eel grass 47 drainage basins 46 frost heaves 46 salinity 46 breakages 46 soil erosion 46 drainage 46 obstructions 46 deformation 46 depressions 46 watercourse 46 erosion 46 bridge abutments 45 sediment runoff 45 revetment 45 Seepage 45 tripping hazard 45 compaction 45 oxygen depletion 45 surface roughness 45 freeze thaw cycles 45 outfall 45 overtopping 44 dam spillway 44 lakebed 44 soil compaction 44 landslips 44 delamination 44 sandbanks 44 puddling 44 deplete oxygen 44 eutrophication 44 spillage 44 curvatures 44 thermocline 44 hydrothermal activity 43 leakage 43 saltwater intrusion 43 ice jams 43 ingress 43 toxic algae blooms 43 Sinkholes 43 desiccation 43 roadbed 43 submergence 43 corrosion 43 erosive 43 structural integrity 43 rootball 43 sinkholes 43 overspray 43 ruptures 43 waterlogging 43 Algae blooms 43 surface 42 steeply sloping 42 algal bloom 42 diking 42 nutrient deficiency 42 seagrasses 42 sumps 42 retaining walls 42 creek crossings 42 wooden pilings 42 anoxic 42 deformations 42 substructure 42 Sediment 42 dissolved oxygen levels 42 compacted soil 42 intertidal 42 groundwater extraction 42 magma chamber 42 waterline 42 tidal 42 sewer backups 42 subsurface 42 unburned fuel 42 waterbody 42 Sunken 42 slippage 42 concrete piers