sedimentation, salination, shoaling, dredging, sediment, sinkage, soil erosion, eutrophication, salinity, drainage, sandbanks, watercourse, subsidence, denudation, erosion, distributary, landslip, flooding, reservior, estuary, dammed, jetties, wetlands, seepage, channelisation, river, weirs, acidification, revetments, riverbed, deltaic, overexploitation, oxbow, sluiceway, headwater, tributary, salvinia, outfall, navigability, floodplain, groyne, shallowing, turbidity, canalization, embankments, headrace, estuarial, eutrophic, lake, canalisation, tides, water hyacinth, millrace, soakaway, mudflat, diking, riverbanks, freshwater, desertification, flood plain, flowage, pollution, submergence, basin, hydrological, canals, inundation, murrumbidgee river, discolouration, waterways, brahmaputra river, creek, sandbars, spillway, beach erosion, catchment, nala, indus river, overgrowth, riprap, tailrace, drains, seagrass, channelization, mangroves, wadable, embanked, floodwater, breakwater, riparian, lacustrine, encroachments, intertidal, estero, marsh, blockage, rainfall, nullah, slipway, river basin, forebay, ebb tide, sloughing, defoliation, desiccation, loosening, curtailment, depopulation, shrinkage, attrition, depletion, depreciation, rusting, weakening, yielding, accumulation, breakage, decimation, deforestation, buy, checking, drawing, finishing, folding, locked, locking, numbering, punching, shelving, silted, turning, .., 10, 11, 22, 7, accommodative, adjustive