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Hydrologic & Environmental Tasks

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Presentation on theme: "Hydrologic & Environmental Tasks"— Presentation transcript:

1 Hydrologic & Environmental Tasks
Regional Scale Analyses Basin Scale Analyses Corridor and Flood Plain Analyses

2 Regional Scale Analyses
Characterize Hydrologic Change in Selected Region Correlate Changes in Hydrologic Indices w/Land Cover Change Association With Transportation Network Development

3 Study Area

4 Hydrologic Indicators of Environmental Change
Mean Flow (water level) Frequency of Inundation Duration of Inundation

5 Watersheds in the Analysis

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9 Basins With Significant Trends in Streamflow Variables

10 Basin Scale Analyses Characterize Hydrologic Changes in Selected Basins Retrieve and Project Economic and Demographic Data To the Watershed Scale Correlate Changes in Hydrologic Indices w/Changes in Population Demographics and Economic Activity Correlate Changes in Hydrologic Indices w/Changes in Land Cover Precipitation Analysis

11 Big Creek nr Alpharetta, GA Population Density 2000

12 Big Creek Watershed Business Activity 1984-2000

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17 Flood Plain and Corridor Analyses
Develop Indices of Resistance and Flow Capacity for Flood Plains Through Laboratory Experiments Develop Algorithms to Measure Resistance Indices From Remotely Sensed Data As a Function of Image Complexity Study Effect of Scale, Resolution, and Electromagnetic Data Characteristics on Selected Indices Determine Optimal Data Characteristics For Measure of Resistance Indices Correlate Measured Indices with Results of Laboratory Experiments

18 Amite River Flood Plain From LIDAR Data - Denham Springs Northwest Quadrangle

19 Flow Capacity

20 Image Characterization
Fractals Moran’s I Wavelet Transforms Shannon’s Entropy Functional

21 North West Florida: FD = 2.76
North East Louisiana: FD = 2.89

22 Laboratory Set-Up For Roughness Experiments

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