'Surface runoff' diaporamas de présentation

Water and Water Pollution. Chapter 11. Core Case Study: Water Conflicts. Water shortages in the Middle East Nile River Jordan Basin Tigris and Euphrates Rivers Peacefully solving the problems. Three Major River Basins in the Middle East. Fig. 11-1, p. 227. 11-1 Will We Have Enough Water?.

Runoff Estimation, and Surface Erosion and Control. Ali Fares, PhD NREM 600, Evaluation of Natural Resources Management. What ’ s soil erosion?. Erosion is the process of detachment and transport of soil particles by erosive agents (Ellison, 1944) Erosion is a natural geologic process

Hydrology Rainfall - Runoff Modeling (I). Prof. Ke-Sheng Cheng Department of Bioenvironmental Systems Engineering National Taiwan UNiversity. Formation process of surface runoff. Surface runoff overland flow (sheet flow) shallow concentrated flow open channel flow. Runoff hydrograph .

Pesticides in the Environment. Chapter 7 National Pesticide Applicator Certification Core Manual. Pesticides in the Environment. This module will help you: Understand the environmental consequences of pesticide application Understand how to prevent drift and runoff

Pesticides in the Environment. Chapter 7 National Pesticide Applicator Certification Core Manual. Pesticides in the Environment. This module will help you: Understand the environmental consequences of pesticide application Understand how to prevent drift and runoff

Water Quality and Testing. Water Quality. Water quality is the physical, chemical and biological characteristics of water The vast majority of surface water on the planet is neither potable (fit for drinking) nor toxic

Pesticides in the Environment. Chapter 7 National Pesticide Applicator Certification Core Manual. Pesticides in the Environment. This module will help you: Understand the environmental consequences of pesticide application Understand how to prevent drift and runoff

Unit Hydrographs Ch-7 (Streamflow Estimation). Transforming the Runoff from Rainfall. Unit Hydrograph Theory. Moving water off of the watershed… A mathematical concept (based on linearity) Linear in nature. Some History behind Unit Hydrograph Theory.

Waterborne Pathogen Prevention and Detection Using Traditional Methods and Microarray Probe Detection. Claribel Orellana CE 421 12/5/07. Biotechnology. Priorities: Agriculture and Medicine Malaria Vaccine Stem cell research Completion of the human genome map

Marine Pollution. Marine pollution includes a range of threats including from land-based sources, oil spills, untreated sewage, heavy siltation, eutrophication (nutrient enrichment), I nvasive species, persistent organic pollutants (POP’s),

Environmental Fate of Turfgrass Herbicides. Tim R. Murphy The University of Georgia Crop and Soil Sciences. Public Concerns. Health Quality of Life Environment Nuclear and Toxic Waste Chemicals vs. Natural Right-to-Know. Cause cancer Not well tested Harm animals Last forever.

Soil Phosphorus Issues. Miguel Cabrera and David Radcliffe Crop and Soil Sciences University of Georgia. Intended Outcomes. Understand how P affects water quality Understand how P behaves in soil Understand why manures present a special problem with P

Primary Production. Global chlorophyll concentrations for Oct. 2000. Feb 5, 1998: uniformly low pigment concentrations during all seasons. Primary Productivity. Photosynthesis Involves the use of light energy in the conversion of inorganic carbon into organic carbon.

An Overview of the Noah-Distributed Land Surface Model. David J. Gochis, Wei Yu, Fei Chen, Kevin Manning WRF Land Surface Modeling Workshop Sep. 13, 2005. Brief Rationale for Noah-Distributed.

ORD Mine Waste Scientist to Scientist Meeting 15 June 2000, Las Vegas, NV. Mine Waste and Modeling. David G. Jewett, Ph.D. USEPA/ORD/NRMRL Subsurface Protection and Remediation Division, Ada, OK Co-Director, Center for Subsurface Modeling Support (CSMoS). Presentation Outline.

My Place on a Stream. Developed by: Sherman Swanson, University of Nevada, Reno Susan Donaldson, University of Nevada Cooperative Extension. UNCE, Reno, Nev. Topics. What do you like about living near a stream? What’s a riparian area and floodplain, and why are they important?

Jon Luevano. Effects of urbanization on the hydrologic cycle. Urbanization. Growth and development of cities Large population density Highly industrialized Comparing city to city Size (area) Population density Percentage of urban coverage Hydrological impacts . Key Hydrological Impacts.

Center for Geosciences Flood Forecasting- CASC2D Model Pierre Julien Jeff Jorgeson Darcy Molnar Civil Engineering Department Colorado State University. Objectives. Analysis of moving rainstorms with NEXRAD radar data Surface runoff calculations with the model CASC2D

The Water Cycle. Ms Pearson’s Class. The Water Cycle (also known as the hydrologic cycle) is the journey water takes as it circulates from the land to the sky and back again. ABOUT THE WATER CYCLE. Earth’s Cycle is always in movement

Layout. Introduction General remarks Model development and validation The surface energy budget The surface water budget The surface CO2 budget Soil heat transfer Soil water transfer Snow Initial conditions Conclusions and a look ahead. Hillel 1982, 1998. Soil science miscellany (1).