'Drainage area' diaporamas de présentation

Surface Water

Surface Water. The Lane Diagram. WATER. SEDIMENT. I. Events During Precipitation A. Interception B. Stem Flow C. Depression Storage D. Hortonian Overland Flow E. Interflow F. Throughflow -> Return Flow G. Baseflow. II. Hydrograph A. General .

1.46k views • 103 slides

Application and Mitigation Requirements

Application and Mitigation Requirements. Information required to process Section 404 Clean Water Act (CWA) and Section 10 Rivers and Harbors Act of 1899 (RHA) applications. US Army Corps of Engineers Organization. 8 Divisions - Ex. Great Lakes and Ohio River- Cincinnati

1.42k views • 99 slides

Hydrology Rainfall Analysis (1)

Hydrology Rainfall Analysis (1). Prof. Ke-Sheng Cheng Department of Bioenvironmental Systems Engineering National Taiwan UNiversity. Intensity-Duration-Frequency (IDF) Analysis . In many hydrologic design projects the first step is the determination of the rainfall event to be used.

3.35k views • 64 slides

CE 3372 Water systems design

Lecture 17: Runoff Generation. CE 3372 Water systems design. Outline. Runoff Estimation Rational Equation. RUNOFF ESTIMATION. Peak Flow/Discharge. Discharge [L 3 /T]- Volume of water through a given cross-sectional area at a period of time

688 views • 51 slides

Chapter 5 Weathering and Soil

1.34k views • 48 slides

Jefferson County Department of Health Storm Water Division

Jefferson County Department of Health Storm Water Division. Erosion And Sedimentation Control Certification Workshop. PURPOSE.

561 views • 44 slides

Chapter 105 Dam Safety and Waterway Management

Chapter 105 Dam Safety and Waterway Management. An overview PA Department of Environmental Protection Bureau of Watershed Management Division of Waterways, Wetlands, & Stormwater Management. Purpose. The purposes of this chapter are to:

621 views • 42 slides

Approximate Floodplain Mapping - Procedures and Approaches to Data Challenges Troy Thielen, CFM Brett Addams, CFM May 1

Approximate Floodplain Mapping - Procedures and Approaches to Data Challenges Troy Thielen, CFM Brett Addams, CFM May 18, 2010. Procedures and Approaches to Data Challenges. Overview Approximate Floodplain Mapping Defined Study Area Procedure/Methodology Challenges Encountered.

513 views • 38 slides

The Pine Coulee Project

The Pine Coulee Project. ENVS 4000 Case Study. Background Historical water management problems in Willow Creek Basin: - relatively small drainage area - 60% of annual flow occurs during short spring runoff - results in the development of Chain Lakes Reservoir in 1966.

957 views • 37 slides

Storm Water Management and Erosion/Sediment Control

Storm Water Management and Erosion/Sediment Control. Storm water management reduces quantity, and improves quality, of runoff in the watershed Site based approach reduces long term costs to community. Why Storm Water Management and Erosion/Sediment Control?. Required by EPA Phase II!

721 views • 35 slides

Hyetographs & Hydrographs

Hyetographs & Hydrographs. Objectives. Understand what a hyetograph represents Understand what a hydrograph represents Understand what a unit hydrograph represents Know how unit hydrographs can be used to develop various hydrographs. Hyetograph.

2.15k views • 32 slides

Basis for Water Quality Permitting

380 views • 21 slides

Lecture 6 Reservoir Sedimentation

1.95k views • 20 slides

New Elevation Certificates

New Elevation Certificates . Kansas Department of Agriculture Division of Water Resources. Rhonda Montgomery, CFM NFIP Coordinator Kansas Department of Agriculture Division of Water Resources 109 SW 9th St 2nd Floor Topeka, KS 66612 785-296-4622 rmontgomery@kda.state.ks.us.

478 views • 18 slides

Co-Occurrence of Toxins and Taste-and-Odor Compounds in Cyanobacterial Blooms from the Midwestern United States

Co-Occurrence of Toxins and Taste-and-Odor Compounds in Cyanobacterial Blooms from the Midwestern United States. USGS Kansas Water Science Center Algal Toxin Team Jennifer L. Graham, Keith A. Loftin, Michael T. Meyer, and Andrew C. Ziegler ASLO Summer Meeting June 10, 2008. Overview.

315 views • 17 slides

The NPDES Permit Program and its applications on a local industry

312 views • 16 slides

Beaverdam Creek: An Environmental Perspective

Beaverdam Creek: An Environmental Perspective. Chesapeake Bay Watershed. Anacostia Watershed Background. Urban, over 75% Developed Size : 176 mi 2 ; avg. daily discharge: 138 cfs Drains both Piedmont and Coastal Plain 8.4 mile long tidal freshwater river portion

240 views • 14 slides

Estimating Hydropower Potential Using EDNA Stage 1B Data: Arkansas-White-Red River Basin Pilot Study

Estimating Hydropower Potential Using EDNA Stage 1B Data: Arkansas-White-Red River Basin Pilot Study. Alan Rea. Overview. Project Goal: Estimate Hydropower potential on each stream reach and total Hydropower potential in U.S. (Cooperator: INEEL/U.S. Department of Energy)

363 views • 13 slides

161 views • 8 slides

144 views • 5 slides