FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs....

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FLOODS, STREAMS FLOODS, STREAMS AND MEANDERS AND MEANDERS
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Transcript of FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs....

Page 1: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.

FLOODS, STREAMS FLOODS, STREAMS AND MEANDERSAND MEANDERS

Page 2: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.

GAUGING STATIONGAUGING STATION

• On all major streams

• Measures Stream Height

• Height vs. Discharge (volume)

• Flood Stage and height above

• Flood Rank – ie. 100 year flood

Page 3: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.
Page 4: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.
Page 5: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.

River FloodRiver Flood

Page 6: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.
Page 7: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.

MEANDER BELTSMEANDER BELTS

• WINDING SHAPE

• CONSTANTLY SHIFTING CHANNEL

• VELOCITY DIFFERENT IN DIFFERENT PARTS

• CHANNEL CUTOFF

Page 8: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.
Page 9: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.

MEANDERMEANDER

Page 10: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.

Parts of a MeanderParts of a Meander

Page 11: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.

2 SIDES2 SIDES

• Cut Bank (Erosion)

• Point Bar (Deposition)

Page 12: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.

CUT BANKCUT BANK

Page 13: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.

POINT BARSPOINT BARS

Page 14: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.

SHIFTING CHANNELSSHIFTING CHANNELS

• CHUTE CUT-OFF DURING FLOOD

• NECK CUT-OFF GRADUAL

Page 15: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.
Page 16: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.

OXBOW LAKEOXBOW LAKE

• AFTER CUT-OFF

• SEPARATED FROM MAIN RIVER

• NO FLOW

• SEDIMENTATION

Page 17: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.
Page 18: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.
Page 19: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.

Water ColorWater Color

• Muddy water is flowing

• Still water is clear

Page 20: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.
Page 21: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.

DAMS ON RIVERSDAMS ON RIVERS

Page 22: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.

DAM BURSTDAM BURST

Page 23: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.
Page 24: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.

DESTRUCTION ON RIVERDESTRUCTION ON RIVER

Page 25: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.

EROSIONEROSION

Page 26: FLOODS, STREAMS AND MEANDERS. GAUGING STATION On all major streams Measures Stream Height Height vs. Discharge (volume) Flood Stage and height above Flood.

HOUSE DAMAGEHOUSE DAMAGE