Laserfiche WebLink
t <br /> Example Water Balance-Recharge Analysis-Lodi,California <br /> (ETo Climate Zone 12) <br /> ft 1 2 i 3 1 4 5 5 <br /> Month ! Ave P:ed Avarage Runoff : 1 Net Rainfall <br /> P• Available Prodp. Potential ETo A[tuar ET <br /> (in/month} volume i <br /> (in/month} ! (in month Recharge <br /> (fraction) / ) I (in/month} <br /> (ln/mond[) <br /> I+ Jan 3.43 0.00 3.43 124 0.68 2.75 <br /> Feb 2.94 1 EL CO 2.94 1.96 lAR <br /> Mar 1 1.86 <br /> 0.00 2.71 3.41 1.8E I 0.83 <br /> Apr L3 0.(Y 1.31 5.10 2.8s 0.00 <br /> y'�Y O.GS 0.00 3.61 6.R7 3.75 <br /> Jun <br /> 0. 0. <br /> 35 0.00 00 <br /> o.1S 7.80 _ 4.7.9 I 0.00 <br /> Jul 0.02 0.00 0.61 R.06 <br /> Aug ._ 't 0� _ - itio4.43 1 0.00 <br /> Se C>� 0.04 7.13 3.92 <br /> P 0.00 0.27 5.40 12.97 O.CC <br /> Oct 0.93 O.CO 093 3.72 2.05 0.00 <br /> Nov .72 <br /> 0.00 1.93 Lao 0.99 0.94 <br /> Dec 2.92 0.00 1 292 0.93 0.57 2.41 <br /> total 17.17 <br /> 17.27 53.37 29.35 8.79 <br /> 1 <br /> traces•. <br /> _.Ave monrlay prcciP.rnr Lodi,Western Regional Climate Center <br /> �•Estinwted average m0oth!y run0ffvolume;:em assumed for this example,vdth filll onsite retention or r:infalf on leve; <br /> ac. <br /> 1 <br /> 3.'Available Precip'equal to atm monthly Precip m!nus estimated runoff volume; <br /> 9.Reference M obtained`rcm CAMS for Zone 12,Easstde Sacramento-San Joaquin Valley;represents value for hums and other uniform turf <br /> areas <br /> 5.Actaai ETadjustee based on site sPeciric landscape/Imiu.cover factor(fractional mulUpllcr);see below for cx!culating"composites tarot, <br /> 055 for this hypothetical example <br /> 6.Net rainfall recharge(-deep percolation")em:ai:o Available Precip(3)minus t c:ual Er(51;negative values set equal to zero <br /> Example Calculation of Composite Eto Adjustment Factor for Hypothetical Residential Lot Tablet.Plant Factors(PF)for established laguKga,,",,no turfliMsses,and <br /> gardan crops to provide acceptable performCalifornia.' <br /> a.rey referents.:Un(versltyof Calif.Divislor,of Agriculture and Natural Resources:Estimating Landscpe Water Requirement.:(Table i) <br /> httos://ucancedu/sites/UrbanHort/VJater Use of Turfarass and Landsta0 Point Materials/SUDS SimgfiUed Irrigation Demand Estnma0on/ plant TypePlant Factor <br /> 'sec,Shru}x,Anes.GroundcgveC.5 <br /> b.Site Oeveloprnent Conditions: itvoody pants) <br /> -� <br /> Herbaceous Perennials0.5 <br /> land Condition Fraction of Total Plant Factor* Predvct <br /> Desert Adapted PlantsC.°.mparvious Area I 0.25 0.1 0.1 <br /> ITre_,Slvubs GrOondcovrs Annual Flp^rer5 e".9eddirg PlantO80.25 0.5 0125 Genera!T-1grass Wens,ccolaeason(talc blust_n[e,benll0.6Genual Tu.•iprass Wvv„s,wane•season(berH.Tbadous Perrenialc C75 0.5 0125 Au s the bur:alo� 0.6Home Fruit Crops,Deciduous0.8 <br /> Cumposite I L00 f I 0S5 <br /> Home Fruit Crops,Evergreen 1A <br /> -Per Talric 1 far appE26lr.Iarldsapt•cacegodez;Eon imcervtuus arcaz assume nominal G.05 to 0.50 to <br /> a mus[for e:•zporaCpn of ra!n%U retained on paved surrarns,gutterc.etc. Home Vegetable Uqp<_ <br /> 3.0 <br /> _.rrom UC reference;note Plan'.Factors are annual ave af!e•values;additional <br /> refinement may be needed for seaspnal crops <br />