Environmental Hydrology

1
Environmental Hydrology
Jay Martin Andy Ward Erick Powell
2
STreams Restoration, Ecology Aquatic Management
Solutions
http//streams.osu.edu
3
Hydro - water Loge - knowledge
4
(No Transcript)
5
Empirical Relationships
6
Worldwide, a third of the children are
malnourished and more than one billion people
lack safe water to drink
7
Every minute the population of the world
increases by about 200 people
8
Africa
China
9
Africa Irrigation of an orchard
10
Precipitation
11
(No Transcript)
12
Weather Map January 4, 2004
13
Soil-Water-Plant Interactions
14
Surface Influence on Infiltration
15
(No Transcript)
16
Runoff Processes
17
(No Transcript)
18
Flooding
19
Land Use Impacts on Hydrology
20
Subsurface Drainage
21
Hydraulic Control Structures
22
Stream Processes
23
Drainage Area 30 sq. mi. Streamway
120 DA 0.43 518 ft
518
1997
1980
1966
1951
1989
Salt Creek Vinton County, Ohio
24

• Lost Floodplain Access
• Channel Resizing
• Loss of Buffering from Small Streams and
  Floodplains

25
Biological Indicators
Stream Ecology
LOW URBAN
Biodiversity Shift
26
Soil Erosion
27
(No Transcript)
28
Water Quality
29
(No Transcript)
30
The Causes of Environmental Problems
31
(No Transcript)
32
Remote Sensing Applications
33
Thank You!