Water Balance The Water Balance Of A Location Is The Interactions Of The Input Precipitation Precip And Output Of Mon 1 (23.84 KiB) Viewed 15 times
Water Balance The Water Balance Of A Location Is The Interactions Of The Input Precipitation Precip And Output Of Mon 2 (26.86 KiB) Viewed 15 times
Water Balance The Water Balance Of A Location Is The Interactions Of The Input Precipitation Precip And Output Of Mon 3 (25.65 KiB) Viewed 15 times
Water Balance The Water Balance Of A Location Is The Interactions Of The Input Precipitation Precip And Output Of Mon 4 (25.65 KiB) Viewed 15 times
Water Balance The water balance of a location is the interactions of the input, precipitation (Precip) and output of monture Water in the systems can be used, evapotranspiration (ET), held un to in the soil storage, or shed as runoft surplus Every location has a potential evapotranspiration (PE) which is the maximum possible amount of water the system can use in the month. The system also has an actual evapotranspiration (AEL which is how much water is used by the system that month. The AE will be all available water up to the PE amount. When we do not have enough water in the system from precipitation to fulfill the PE amount water is taken from the soll storage. The soil has a maximum amount of water that it can hold in storage called the water holding capacity (WHC). If there is not enough water in the system between the precipitation and the storage to equal the PE ww will have a deficit if there is more water in the system than is required by PE the water is used to recharge be the storage to the its maximum WHC. Any water that remains after recharge is the surplus and flows out of the system It we have the monthly precipitation. PE, and a starting storage amount we can the calculate the locations water balance table. To do this we take the following steps Calculate the difference between Precip and PE: Diff-Precip-PE Calculate the current storage level: Storage Calculate the change in strorage: & Storage Calculate the AE LIPE Precip+ previous month storage then AE- PE PE Precipe previous month storage then AE- Precip previous months storage Calculate the deficit: Storage must-0 to have a deficit storage-O then Def-PE-AE Previous month storage Di Current month storage- Previous month storage Calculate the surplus Storage must maximum WHC to have a surplus If storage max WHC then: Surplus Previous month storage- current storage Diff
Fill in the following Water Balance table for Rockford, IL The maximum storage possible in Rockford is 150mm. Month Jan Feb TEMP -71 41 ra PE Precip (mal DN 1 A 0 o Storage br 40 m 40 150 IM Storage O Inmi AE Deficit Imeni 0 0 Surplus 40 mm 32 Mar 14 4 162 Apr A9 40 196 May 15.2 66 93 Jun 20,6 126 114 Jul 22.8 144 105 Aut 21.7 126 101 Sep 17.3 83 83 Oct 11.1 44 R 170 Now 32 - 5 Der -37 149
Fill in the following Water Balance table for Rockford, IL The maximum storage possibile in Rockford is 150mm. Month TEMP iro PE be Precip Im pen m Defe 71 41 A Storage 0 Surplus Imm 0 0 40 AE 0 Fell D 40 132 Mar 14 4.2 Apr 8.9 40 96 May 15.2 66 193 Jus 206 126 Aut 228 144 105 Aug 21.7 126 101 Sep 17.3 83 13 Oct 11.1 44 70 NOW 32 A M CHE -3.7 P 49
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