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Mixed Fidelity Environmental Modeling

Heavy-weight

Java/C++ Based

Simple Interface

High Fidelity

Policy/Regulatory Analysis

Results in Hours/Days

Light-weight

Java Based

Simple Interface

Medium Fidelity

Policy/Trend Analysis

Results in Minutes

Light-weight

Spreadsheet Based

Simple Interface

Low Fidelity

Trend Analysis

Results in Seconds

Purpose

EDMS

BADA

NIRS

NASEIM

Fuel per flight divided by mixing height.

Emissions per flight

Population exposed to noise for 55 & 65 dBA DNL.

Noise Contours

Schedule of operations (origin, destination, aircraft, departure time, arrival time)

Runway configuration and use.

US 2000 Census

Flight performance database of all aircraft times-in-mode based on stage-length

Great-circle distance fuel burn

Noise maps database for all aircraft

NAS-wide

Environmental

Screener

Technology

(Underlying

Models)

Results

User

Inputs

System

Inputs &

Assumptions

Model

EDMS

BADA

NIRS

NASEIM

Fuel per flight divided by mixing height.

Emissions per flight

Population exposed to noise for 55 & 65 dBA DNL.

Noise Contours

Schedule of operations assigned to trajectories.

Simple one to one trajectory or detailed backbones.

US 2000 Census

EDMS (AEDT) fuel and emissions below 3K

BADA based fuel above 3K

SAE based aircraft performance for noise

Regulatory Tools

EDMS

BADA

AEM

Fuel per flight divided by mixing height.

Emissions per flight

Population exposed to noise for 55 & 65 dBA DNL.

Schedule of operations (origin, destination, aircraft, departure time)

ICAO/EDMS times-in-mode for fuel and emissions

ICAO distance based fuel burn matrix

AEM Noise Coefficients

Population density by airport based on 2000 US Census.

Day/Night distribution

Environmental

Sensitivity

Tool

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