Laserfiche WebLink
<br /> <br />g, Competetive recreational uses of selected Iowa <br /> <br />lakes, <br /> <br />h, Discharge valley form relationships of selected <br />Iowa streams, <br /> <br />i. Breakdown of organic ppllutants by biological <br />and chemical action, <br /> <br />j, Movement of radionuclides through soil formations, <br /> <br />k, Properties of tile drainage water, <br /> <br />1. Flow in river bends, <br /> <br />m, Reoxygenation of Iowa streams, <br /> <br />2, Data Collection and Interpretation <br /> <br />Iowa has maintained programs of hydrolog~c data collection <br />since the inception of the Geological Survey in 1892, The Survey <br />is the repository for all basic geologlc data obtained in the State <br />and, in cooperation with the U, S, Geological Survey, is <br />responsible for the collection and dissemination of data on water <br />wells, water levels, stream flow and sediment loads, lake levels <br />and other hydrologic data, Programs of data collection indlude the <br />following representative areas: <br /> <br />a, Continuous gaging through a statewide network of <br />l2l stream gaging stations and 11 lake gaging stations, <br /> <br />b, Records of ground water levels in l24 observation <br />wells throughout the state, <br /> <br />e, Collection of suspended sediment data on 11 <br />selected streams, <br /> <br />d, Collection of chemical quality data, <br /> <br />e, Collection and interpretation of data with regard to <br />research programs mentioned above, <br /> <br />The Survey also conducts topographic mapping of the State in <br />cooperation with the Topographic Division of the U, S, Department <br /> <br />56 <br />