APPENDIX: Input / Output Needs and Data Usage
AERMET Input Data Needs
Besides defining surface characteristics, the user provides several files of hourly meteorological data for processing by AERMET. At the present time AERMET is designed to accept data from any for the following sources: 1) standard hourly National Weather Service (NWS) data from the most representative site; 2) morning soundings of winds, temperature, and dew point from the nearest NWS upper air station; and 3) on-site wind, temperature, turbulence, pressure, and radiation measurements (if available).
The minimum measured and/or derived data needed to run the AERMOD modeling system are as follows:
8 APPENDIX: Input / Output Needs and Data Usage
8.1
AERMET Input Data Needs
8.1.1
METEOROLOGY
8.1.2
DIRECTIONALLY AND/OR MONTHLY VARYING SURFACE
CHARACTERISTICS
8.1.3
OTHER
8.1.4
OPTIONAL
8.2
Estimation of solar insolation for small solar elevation angles
8.3
Selection and Use of Measured Winds,
Temperature and Turbulence in AERMET
8.3.1
THRESHOLD WIND SPEED
8.3.2
REFERENCE TEMPERATURE AND HEIGHT
8.3.3
REFERENCE WIND SPEED AND HEIGHT
8.3.4
CALCULATING THE POTENTIAL TEMPERATURE GRADIENT
ABOVE THE
MIXING HEIGHT FROM SOUNDING DATA
8.3.5
MEASURED TURBULENCE
8.3.6
DATA SUBSTITUTION FOR MISSING ON-SITE DATA
8.4
Information Passed by AERMET to AERMOD
8.5
Restrictions on the Growth of PBL Height
8.6
Initializing the Mechanical Mixing Height Smoothing Procedure
8.7
Determining The Mixing Height When the Sounding Is Too Shallow
8.8
Input Data Needs for AERMAP
8.9
Information Passed by AERMAP to AERMOD
8.10
Wind Speed & Turbulence Limits Used in Model Calculations
8.11
Using Profiles for Interpolating Between Observations
8.12
Using Measured Mixing Heights
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