calpuff air dispersion modeling course - marama · calpuff air dispersion modeling workshop...
TRANSCRIPT
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CALPUFF AIR DISPERSION MODELING WORKSHOP
Pre-Course Webinar
© 2003-2014 Lakes Environmental
CALPUFF Course
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Copyright 2003-2014 – Lakes Environmental Software 1-2
Webinar Content
1. 3-Day Course Timeline
2. Sample Course Slides
3. Sample Case Studies
4. Demo Case Baltimore
5. Installation Instructions
6. Your Own Case
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Copyright 2003-2014 – Lakes Environmental Software 1-3
Good Morning!
Webinar Instructors:
Michael T. Hammer, CCM
Prof. Jesse Thé, Ph.D., P.Eng.
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Q1. What is your experience using CALPUFF?
1) Extensive
2) Only CALPUFF training course.
3) Only used AERMOD
4) No experience
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CALPUFF AIR DISPERSION MODELING WORKSHOP
Pre-Course Webinar
© 2003-2014 Lakes Environmental
3-Day Course Timeline
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Copyright 2003-2014 – Lakes Environmental Software 1-6
3-Day Course Timeline
Day 1 – Morning
Introductions
Puff vs. Plume and Map Projections
Geophysical Preprocessing Theory
Hands-On Geophysical Processor
Met Station Data Preprocessing
CALMET – Meteorological Model
Hands On CALMET (Obs Mode)
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Day 1 – Afternoon
CALPUFF –Model Fundamentals
Hands-On CALPUFF
CALPOST – Postprocessor Basics
Hands-On CALPOST
CALPUFF with Prognostic Data (MM5)
Case Study: MM5 (No-Obs Mode)
3-Day Course Timeline
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Day 2 – Morning
Atmospheric Physics
Coastal Theory and Influences
Case Study: Coastline
Complex Terrain and TERRAD
Case Study: Complex Terrain
Case Study: TERRAD
3-Day Course Timeline
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Day 2 – Afternoon
Sub-hour Modeling
Case Study: Odor
Large Cases - CALSUM Applications
Case Study: CALSUM
Dust and Road Modeling
Other Case Studies
3-Day Course Timeline
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Day 3 – Morning
Review of Day 2
More Atmospheric Physics
Case Study: Student MM5 Location
Variable Emissions – Case Alberta
CALMET Sub Domains – Case Sub-Grid
3-Day Course Timeline
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Day 3 – Afternoon
Chemistry and Visibility Analysis
Class I Area Regulatory Requirements
Case Study: Breton Class I Area
Course Closure and Graduation
3-Day Course Timeline
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3-Day Course Objectives
Understand the basic principles of the CALPUFF model
Have good working knowledge of the CALPUFF modeling system
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CALPUFF AIR DISPERSION MODELING WORKSHOP
Pre-Course Webinar
© 2003-2014 Lakes Environmental
CALPUFF Course Sample Slides
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Copyright 2003-2014 – Lakes Environmental Software 1-14
CALPUFF Modeling System
CALMET
Meteorological Model
CALPUFF
Dispersion Model
Geophysical Preprocessor
(Terrain + Land Use)
Met Preprocessor
(Obs Data - Met Stations)
CALPOST
Postprocessor
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CALMET – Met Grid
(COL,ROW)
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CALMET – Met Grid
Vertical System
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Q2. Which of the following is true about CALMET?
1) Grid spacing can be varied within the domain.
2) Meteorological characteristics can be specified in multiple vertical layers.
3) Terrain and land use is specified.
4) All of the above
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Met Stations Data
Meteorological Preprocessor (Observation Data)
Surface
Data (SAMSON, CD-144,
HUSWO)
Upper Air
Data
(FSL, TD-6201)
Precipitation
Data (TD-3240)
Overwater
Data - Buoy
(Optional)
Output File:
SURF.DAT
Output File(s):
UP1.DAT,
UP2.DAT…
Output File:
PRECIP.DAT
Output File(s):
SEA1.DAT,
SEA2.DAT...
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Copyright 2003-2014 – Lakes Environmental Software 1-19
Overwater Data
Buoy Data:
Data used to define conditions over water portions of the modeling domain:
1. Wind
2. Temperature
3. Stability
4. Dispersion
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Copyright 2003-2014 – Lakes Environmental Software 1-20
Computational Grid
1. Smaller or equal to the Met Grid
2. Once puff leaves the Computational Grid it is “forgotten” (erased)
Met Grid Computational Grid
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Copyright 2003-2014 – Lakes Environmental Software 1-21
Reasons to Split
Very Big Puff (tracked > 12 hrs)
1. Horizontal winds (mostly at night – less convective)
2. Vertical splitting
3. Independent movement
4. Lower Maximum Impact
Very Long Puff
1. Horizontal splitting
2. Small grid spacing
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CALPUFF AIR DISPERSION MODELING WORKSHOP
Pre-Course Webinar
© 2003-2014 Lakes Environmental
CALPUFF Course Sample Case Studies
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Copyright 2003-2014 – Lakes Environmental Software 1-23
Hands-On Visibility
Follow Course Notes
Case Study: Mammoth Cave National Park
Long-Range Transport
Class I Area
Visibility Analysis
FLAG 2008
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Copyright 2003-2014 – Lakes Environmental Software 1-24
Site Location
Mammoth Cave
National Park
Source Location
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Q3. Where do we easily get maps for CALPUFF?
1) Read from paper maps
2) Download from Google maps
3) Download automatically from WebGIS
4) None of the above
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Copyright 2003-2014 – Lakes Environmental Software 1-26
Hands-On Alberta
Follow Course Notes
Case Study: Alberta, Canada
MM5 Simulation
Nested Grid Receptors
External Source Emission
Files (e.g., ptemarb.dat)
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Site Location
Facility Location
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Sources & Buildings
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Hands-On Coastal
Follow Course Notes
Case Study: Huntington Beach, CA – USA
Coastal Simulation (TIBL)
4-km MM5 Data
Tall Stack
Shoreline Fumigation
Land/Sea Breeze
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Site Location
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Hands-On Visibility
Follow Course Notes
Case Study: Breton Class I Area
Long-Range Transport
Visibility Analysis
PM Speciation
FLAG2010
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Site Location
Breton
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Visibility Model
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Hands-On Sub-Grid
Follow Course Notes
Case Study: CALMET Sub-Grid
2 CALMET Grids/Projects
MESOPUFF II Chemistry
Monthly Ozone/Ammonia
Nested Grid Receptors
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Site Location
Portland cement
manufacturing plant
Clarksville, MO
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CALMET Sub-Grids
Sub-Grid Sub-Grid
Outer-Grid
CALMET Outer Grid
Domain: 120 km x 120 km
Spacing: 2 km
# Cells: 60 x 60
CALMET Sub-Grid
Domain: 50 km x 50 km
Spacing: 0.5 km
# Cells: 100 x 100
Project 1: Clarksville_Plant Project 2: Clarksville_SubGrid
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Q4. What case will you work on as homework?
1) Baltimore case
2) Nevada case
3) Alaska case
4) None of the above
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CALPUFF AIR DISPERSION MODELING WORKSHOP
Pre-Course Webinar
© 2003-2014 Lakes Environmental
CALPUFF Demo Case Baltimore
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Objectives - Case Baltimore
1. Demonstrate steps of the CALPUFF modeling system
2. Understand the model components
3. Use visualization tools to aid model setup and results analysis
4. Homework Case Study
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Creation Steps
1. Project Setup
2. Geo-Physical Processors
Met grid, Terrain, and Land use
3. CALMET
4. CALPUFF
Receptors, Sources, emissions, etc.
5. CALPOST
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CALPUFF Steps
GEOPROCESS
CALMET
QA / QC
CALPUFF
CALPOST
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CALMET – Met Grid
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Geophysical Processor
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Site Location
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Baltimore Case
1. Create New Project
2. Run Geophysical Processor
3. Run CALMET with MM5
4. Input Source and Pollutant data
5. Run CALPUFF
6. Run CALPOST
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Instructor Demo
Changing Screen to CALPUFF
View
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CALPUFF AIR DISPERSION MODELING WORKSHOP
Pre-Course Webinar
© 2003-2014 Lakes Environmental
CALPUFF Webinar Closure
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Reminder
1. You will run your own site
2. Send your site’s center
Latitude/Longitude
3. You can get your coordinates
from Google Earth