Soil conservation Soil conservation is a set of management strategies for prevention of soil being eroded from the earth’s surface or becoming chemically altered by overuse,…

1. Stream Restorationand The Upper Pohick creekWatershed Presented by Michael S. Rolband P.E., P.W.S., P.W.D. Wetland Studies and Solutions, Inc. 5300 Wellington Branch Drive…

1. The Causes of Poor Food Supply 2. Map of World Hunger Task: What does the map show? 3. What is the problem? Approximately 1.2 billion people suffer fromunder-nutrition(deficiency…

1. The Causes of Poor Food Supply 2. Map of World Hunger Task: What does the map show? 3. What is the problem? Approximately 1.2 billion people suffer fromunder-nutrition(deficiency…

Slide 1 Lecture #3 Ways We Use and Abuse Soil & Other Ag Resources Section 9.5 & 9.6 Slide 2 Ways We Use and Abuse Soil Approximately 12.5% of the earth’s land…

Slide 1 Fast Hydraulic Erosion Simulation and Visualization on GPU Xing Mei 1 Philippe Decaudin 2 Bao-Gang Hu 1 1. CASIA (China) 2. INRIA (France) Pacific Graphics’07 Slide…

Slide 1 C ARING F OR O UR C OUNTRY Outcomes: By the end of this topic you should be able to: Describe how Australia’s land surfaces have undergone continuous weathering…

Drainage System Weathering Subsystem Denudation The physical landscape is the combined result of plate movements, the composition of the rocks, and the processes of denudation.…

Fossils Rock Layers The Law of Superposition states that the oldest rock layers are normally on the bottom. Cross cutting relationships says that an intrusion or fault is…

Drainage One of most important considerations in locating and designing streets and HWYS Adequate and economical drainage will protect highway structures and save people…