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Edward G Gatltrr 513 887 6061 176795 (9 z 19 Pb1 S/lz <br /> At a Bite in southwestern Ohio, Additionally there was a downgradicat <br /> cottonwood trees demonstrated trough, as demonstrated by the <br /> I coasEderable pumptng capacity, even in difference between the upgradient and <br /> a relatively humid environment A fairly downgradient well elevations Other well <br /> ideal situation was available where two elevations are not presented for <br /> forty-foot tall cottonwood trees could be illustration effect, however, they did <br /> isolated and evaluated Monitoring wells parallel and deviate only slightly bort <br /> were placed around the cottonwood trees appropriately from the upgradieut <br /> and moaitored for an entire season elevations_ Calculations based on the <br /> Figure 1 clearly denotes the onse4 of rate of drawdown suggests the pumping <br /> transpuation, the drawdown of the rate for each cottonwood tree ranged <br /> aquifer during the season, and the nse in between.50 and 350 gallons per day <br /> the elevation of the aquifer as the trees <br /> approached dormancy <br /> FIGURE I <br /> Aquifer Drawdown by Cottonwood Trees <br /> Breaking <br /> 819.50 Dorman <br /> .. <br /> 819.00 <br /> U. Ft- h Rainfall <br /> 818.50 - Trees Approach <br /> K <br /> O 818.0❑ Dormanc <br /> 817.50 LOW <br /> -� 817.04 Rainfait <br /> 816.50 <br /> 816.00 11 <br /> 815.50 WON <br /> r. <br /> o <br /> DATE AT END OF 10 DAY AVERAGE <br /> RcMcdiaUon Joumat Article acl Qadiff MID <br /> SuMcaer 1994-Draft Copy Page 3 <br />