ESS chap4.1
26 単語
単語一覧(26)
hydrological cyclethe continuous movement of water between the atmosphere, land and oceans
water storea place where water is held in the hydrological cycle
water flowthe movement of water from one store to another
freshwaterwater with low salt concentration
saline waterwater containing a high concentration of dissolved salts
groundwaterwater stored underground in soil or rock
surface freshwaterfreshwater found on the Earth’s surface, such as rivers and lakes
glaciera large mass of ice that stores freshwater on land
polar ice capa large area of ice near the poles that stores freshwater
surface run-offwater flowing over the land surface into rivers, lakes or oceans
infiltrationthe movement of water from the surface into the soil
percolationthe downward movement of water through soil and rock
aquifera permeable rock layer or underground store that holds groundwater
evaporationthe change of liquid water into water vapour
transpirationthe release of water vapour from plants
condensationthe change of water vapour into liquid water droplets
precipitationwater falling from the atmosphere as rain, snow, sleet or hail
interceptionwater caught and stored by vegetation before reaching the ground
rivera flowing surface water store
lakea body of standing surface water
oceana large saline water store
dynamic equilibriuma state where inputs and outputs are balanced over time while flows continue
urbanisationthe growth of towns and cities
impermeable surfacea surface that water cannot easily pass through, such as concrete or tarmac
agriculturefarming activities that can affect run-off, infiltration and water quality
deforestationremoval of trees, reducing interception and increasing run-off