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<br />Water Quality <br /> <br />(continued) <br /> <br />. Lake X study "Analysis ofPoIlution from <br /> <br />Marine Engines and Effects on the <br /> <br />Environment" <br /> <br />. 1400 and 700 acre lake both with average depth of <br />14 feet. Twentv-four chemical and/or physical <br />water quality parametelll were analY7AlCi These <br />analyses revealed that waters of both lakas were <br />hieb in dissolved oxvmm.. slightly acidic, and low <br />mineral content. These findi ngll were found to be <br />typical of !lOad Florida lake water. <br /> <br />\l <br /> <br />Wave Action <br /> <br />(personal observations) <br /> <br />. Boat produces average of 3 waves per pass. <br />- typical set of24 passes ~ total 72 wavCll <br />. Nature produces: <br />- Average daily wind speed 10 mph <br />. Ilquat... to I wave per second <br />. 3600 wav... per hour <br />- 50,400 way... in dayllgbl hours <br />(OY8I'8IJO 14 hour summar day) <br />. Boat vs. nature <br />72: 50,400 ~~. <br /> <br />19 <br /> <br />Water Quality <br /> <br />(continued) <br /> <br />· "Effects of water skiing on Fish Populations <br />at San Justo Resevoir, Hollister, <br />California." <br />- Dean Marston, Fisheries Biologist California <br />Department ofFish and Game <br />. "Yes. plant life doCll take oxygen from the water. <br />and yes the fast-spjppjng propeller from II ski boat <br />will put oxygen back into the water, which does aid <br />the fish population" <br /> <br />'8 <br /> <br />Time of Usage <br /> <br />. Average boat pass time = 17 seconds <br />(34 mph) <br />· Average passes for 2 skiers = 24 <br />- 24 x 17 seconds = 6 nUn. 48 sec. <br />- Assuming 14 hour daylight day. <br />- This equates to 0.81 % dailv USlU!e <br />- This would be if you skied every dayl ! I <br /> <br />:llI <br /> <br />5 <br />