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ABSTRACT
Lake Thunderbird, a 2428 hectare reservoir located in Norman, Oklahoma, was studied along with 15 other lakes in south central Oklahoma over a two year period. An objective of this study was continued development and testing of satellite-based capabilities to assess the water quality variations within reservoirs. To accomplish this goal, lake measurements and water samples were obtained on each day of Landsat overpass. A mathematical model of the relationship between suspended sediment and reflectance measured by the satellite was calibrated to the 16 south central Oklahoma lakes. A series of multi-date suspended sediment maps was generated for Lake Thunderbird with this model using Landsat MSS near infrared (Band 3) data. These maps were used to quantitatively evaluate the geographic extent of suspended sediment on each date investigated. The results demonstrate the feasibility of using Landsat data to routinely monitor and assess surface water bodies impacted by suspended sediment.