lec1_2 - MIT OpenCourseWare http/ocw.mit.edu 1.020 Ecology...

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MIT OpenCourseWare http://ocw.mit.edu 1 .020 Ecology II: Engineering for Sustainability Spring 2008 For information about citing these materials or our Terms of Use, visit: http://ocw.mit.edu/terms .
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Lectures 08_1 & 08_2 Outline: Introduction, Mass Balance, Everglades Introduction: See course information sheet Motivation/Objective: Develop a model to compute time-varying phosphorous concentrations in a stormwater detention pond. Examine effect of pond size. Approach: 1. Define system, control volume (CV), system properties, identify unknown (dissolved pond phosphorous concentration C t at time t ) 2. Write mass balance equation (incremental, over a specified time interval) 3. Relate boundary and gain/loss terms in mass balance equation to unknown C t . 4. Specify all inputs, solve mass balance equation for unknown (MATLAB) 5. Use model to evaluate how different pond characteristics affect phosphorous concentration. Concepts and Definitions:
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This note was uploaded on 11/29/2011 for the course CIVIL 1.018j taught by Professor Markusbuehler during the Fall '08 term at MIT.

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lec1_2 - MIT OpenCourseWare http/ocw.mit.edu 1.020 Ecology...

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