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<br />1. Precipita!ion <br /> <br />CUBIC <br />FEET PER <br />SECOND <br />2,475 <br /> <br />GROUND-WATER PREDEVELOPMENT <br />WATER-BUDGET ANALYSIS <br />"NFLO;:; TO LONG ISLAND r cuBIc' <br />GROUND-WATER SYSTEM FEET PER <br />SECOND <br />~. ?:- Grou~d,water recharg~ - I 1,275 .: <br />IoUTFLOW FROM LONG ISLAND <br />GROUND-WATER SYSTEM <br /> <br />OVERALLPREDEVELOPMENT <br />WATER-BUDGET ANALYSIS <br /> <br />IINFLOWTO LONG ISLAND <br />HYDROLOGIC SYSTEM <br /> <br />OUTFLOW FROM LONG ISLANO <br />I HYDROLOGIC SYSTEM <br /> <br />~ 2. Evapotransp~at!?_n _o~ P!ecipitation <br />3. Ground.water discharge to sea <br />r 4. Streamflow dis~h;ge to sea <br />15~E~apo_tr~nsPirat-io-;:; of ground water <br />KSpring flow <br />Total outflow <br /> <br />Total outflow <br /> <br />500 <br />725 <br />25 <br />25 <br />1.275 <br /> <br />1,175 <br />725 <br /> <br />5~: ~ <br />25 <br />2,475 <br /> <br />8. Ground'~a!e~di~c~~ge to streams <br />9. Ground,w~!e~~jscharge to sea <br />10. Evapotr~!:!sp.!!~_~on of ground water <br />~ ~ Spring !!ow <br /> <br /> <br />Very low <br />hydraulic-conductivity <br />bedrock <br /> <br />n <br />, <br />, <br /> <br /> <br />NASSAU <br />COUNTY <br /> <br />5<""' <br />Island <br />",0' <br />W <br />, <br /> <br />LONG ISlAND <br /> <br />7~' 'KINGS <br />COUNTY <br /> <br />Water-budget <br />area <br /> <br />Figure 9. Ground-water budget for part of Nassau and Suffolk Counties, Long Island, New York. (Modified <br />from Cohen and others, 1968.) <br /> <br />Block diagram of Long Island, New York, and tables listing the overall water budget and ground-water <br />budget under predevelopment conditions. Both water budgets assume equilibrium conditions with little or <br />no change in storage. <br /> <br />25 <br />