Related by context. Frequent words. (Click for all words.) 78 siltation 65 silt 63 sedimentation 58 dredging 57 sediment 56 soil erosion 56 coastal erosion 53 salinity 52 waterlogging 51 subsidence 51 watercourse 51 drainage 50 Dredging 50 erosion 50 estuary 49 Sediment 49 flooding 49 damming 49 dammed 49 jetties 48 wetlands 48 dam 48 ponding 48 seepage 48 river 48 riverbed 48 acidification 47 algal blooms 47 environmental degradation 47 drainage ditches 47 turbidity 47 estuaries 46 tributary 46 weir 46 tributaries 46 floodplain 46 lake 46 algae blooms 46 outfall 46 culverts 46 embankments 45 rivers 45 tides 45 wetland 45 Drainage 45 riverbanks 45 pollution 45 desertification 45 floodplains 45 Erosion 45 overgrazing 45 beach erosion 44 watercourses 44 flood plain 44 dredged 44 basin 44 inundation 44 stormwater drainage 44 freshwater 44 canals 44 lakes 44 sediments 44 stormwater 44 drainages 44 creek 44 sandbars 44 hydrological 44 algae bloom 44 waterways 44 catchment 44 spillway 44 dams 44 creeks 43 dredge 43 mangroves 43 riprap 43 seagrass 43 waterway 43 encroachments 43 snowmelt 43 mud flats 43 mudflats 43 overgrowth 43 flood plains 43 breakwater 43 stormwater runoff 42 localized flooding 42 riparian 42 drains 42 rainfall 42 floodwater 42 groundwater 42 slipway 42 marsh 42 fragile ecosystem 42 incoming tide 42 dredgers 42 spillways 42 floods 42 retaining walls 42 blockage