HYDROLOGICAL MODEL â HEC - HMS (Hydrologic ... - Uwi.edu

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MAIN ROLE: DEM (DIGITAL ELEVATION<strong>MODEL</strong>)• Surface shape determines water behaviour– characterise surface using DEM• slope• aspect• (altitude)– delineate drainage system:• catchment boundary (watershed)• sub-catchments• stream network– quantify catchment variables• soil moisture, etc.• flow times... catchment response
• Other key catchment variables:– soils• type and association• derived characteristics– geology• type• derived characteristics– land use• vegetation cover• management practices– artificial drainage• storm drains/sewers/ bridges
Page 1 and 2: FLOODING , AN IMPACT OF CLIMATE CHA
Page 3 and 4: What is Flood?Flood is an overflow
Page 5 and 6: CLIMATEJamaica has a tropical marit
Page 7 and 8: TOPOGRAPHY AND HYDROSTRATIGRAPHY OF
Page 9 and 10: REPORTED FLOOD EVENTS FROM OFFICE O
Page 11 and 12: Number of Tropical Storms/Hurricane
Page 13 and 14: FLOODING WOES………..Bridge over
Page 15 and 16: TO BE NOTED : NO EXISTING EARLY WAR
Page 17: HEC-HMSThe Hydrologic Engineering C
Page 21 and 22: Main Components• Basin model give
Page 23 and 24: The HydrologicCycle391 0 0Moisture
Page 25 and 26: HEC-HMS AvailabilityAvailable Throu
Page 27 and 28: HEC-HMS SCREEN SHOT WITH BASIN MODE
Page 29 and 30: BASICS OF DRAINAGESYSTEM….Watersh
Page 31 and 32: Basin Model Elements• subbasins-
Page 33 and 34: Loss Rate methodsGreen & AmptInitia
Page 35 and 36: Identifying curve number for catchm
Page 37 and 38: Calculation of Basin Lag time• Re
Page 39 and 40: Stream Flow Routing• Simulates Mo
Page 41 and 42: Baseflow• Three alternative model
Page 43 and 44: Baseflow• Exponential recession m
Page 45 and 46: Meteorologic ModelMeteorologic Mode
Page 47 and 48: Gage DataGage Data (from project de
Page 49 and 50: Running a projectUser selects the1.
Page 51 and 52: Viewing Resultshydrograph
Page 53 and 54: Viewing ResultsSummary tableTime se
Page 55 and 56: HEC-HMS OutputJunction PlotsTributa
Page 57 and 58: IMPACT OF CLIMATE CHANGE IN THE CAR
Page 59 and 60: CHANGES IN PRECIPITATION…Precipit
Page 61 and 62: INCREASED IN FREQUENCY OF HURRICANE
Page 63 and 64: ELEVATION, LANDUSE AND SOIL TYPE OF
Page 65 and 66: MAX 24 HR RAINFALL IN EACH MONTHRAI
Page 67 and 68: DISCHARGE(CFS)PEAK FLOOD DISCHARGES
Page 69 and 70:
SIMULATION OF THE RAINFALL - RUNOFF
Page 71 and 72:
Flow (cms)Flow (cms)Junction "J428"
Page 73 and 74:
Outlet62Population of the Hope Rive
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HYDROLOGICAL MODEL â HEC - HMS (Hydrologic ... - Uwi.edu

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