Proces notation raincycle
name:raincycle.
transpiration in terrestrial plants [13,17] = water vapour diffusion in terrestrial plants [13] ► rising water vapour [17];constraint:"true",
evaporation of fresh water [9,17] = rivers lakes and estuaries [9] ► rising water vapour [17];constraint:"true",
evaporation of salt water [12,17] = open sea [12] ► rising water vapour [17];constraint:"true",
evaporation, interception, precipitation [15,17] = soil and vegetation interception [15] ► rising water vapour [17];constraint:"true",
sublimating snow and ice [16,17] = glaciers, ground ice, ice caps [16] ► rising water vapour [17];constraint:"true".
droplet formation [17,18] = rising water vapour [17] ► coalescence [18];constraint:"true",
formation of nimbostratus [18,19] = coalescence [18] ► nimbostratus cloud [19];constraint:"true",
rainfall of nimbostratus [19,20] = nimbostratus cloud [19] ► rain on the ground plants and structures [20];constraint:"true",
converging precipitation [20,6] = rain on the ground plants and structures [20] ► rainwater collection wadis canals sewers [6];constraint:"true",
water infiltration into the unsaturated zone [1,2] = repeat: collection of surface freshwater [1] ► groundwater-saturated zone [2];constraint:"true",
water seepage into an aquitard [2,3] = groundwater-saturated zone [2] ► partially permeable layer [3];constraint:"true",
water infiltration infiltration into an aquifer [2,4] = groundwater-saturated zone [2] ► permeable layer [4];constraint:"true",
seepage from the aquitard to the aquifer [3,4] = partially permeable layer [3] ► permeable layer [4];constraint:"true",
groundwater flow [4,5] = permeable layer [4] ► groundwater flow [5];constraint:"true",
flow our od a spring [5,9] = groundwater flow [5] ► rivers lakes and estuaries [9];constraint:"true",
run-off, precipitation, soil, collectors [6,1] = rainwater collection wadis canals sewers [6] ► repeat: collection of surface freshwater [1];constraint:"true",
surface freshwater runoff [1,9] = repeat: collection of surface freshwater [1] ► rivers lakes and estuaries [9];constraint:"true",
glacier melt [8,9] = snow and glaciers above the snow line [8] ► rivers lakes and estuaries [9];constraint:"true",
flow into estuaries and the open sea [9,12] = rivers lakes and estuaries [9] ► open sea [12];constraint:"true",
melting ice caps [11,12] = snow, polar ice caps, north and south [11] ► open sea [12];constraint:"true",
label:hydrology, water cycle, time window: continuous (Edugraph).
raincycle ::
evaporation
U
rain
U
runoff
U
infiltration
As circular processes repeat themselves continuously, it is necessary to indicate where the cycle begins again. This can be done quite simply by adding the term ‘repeat’ at the start, as in ‘repeat collection of surface freshwater [1]’ in this example.