htap data network:

HTAP Data Network:

TF HTAP Workshop Forshungszentrum Juelich, Oct 17-19, 2007, Juelich, Germay

Application Examples for NOx Analysis

Collaborators:

Rudolf Husar, Washington U. St. Louis

Stefan Falke, Northrop, Wash U.

Greg Leptoukh, NASA, Goddard

Martin Schultz, FZJ, Juelich

2007 HTAP Interim Report

• Models, observations, emissions have been assessed

Model Outputs

Observations

EmissionsEmission Integration

Emission comparisons, reconciliation

Model Comparisons

Model-model comparison, ensemble,

Data Integration

Data homogenization and integration

2009 HTAP Assessment

• Seek the reconciliation of models, observations, emissions

Model Outputs

Observations

EmissionsEmission Integration

Emission comparisons, reconciliation

Model Comparisons

Model-model comparison, ensemble,

Data Integration

Data homogenization and integration

2009 HTAP Assessment

• Reconciliation is through the interaction of domain experts• Can benefit from a network for the seamless flow of data/info

Model Outputs

Observations

EmissionsEmission Integration

Emission comparisons, reconciliation

Model Comparisons

Model-model comparison, ensemble,

Data Integration

Data homogenization and integration

Inverse Modeling

Emissions retrieval from observations;

Model Evaluation

Data Assimilation

Performance testing, improved formulation

Forward Modeling

Process-based simulation; source-receptor relationship

2009 HTAP Assessment

Model Outputs

Observations

EmissionsEmission Integration

Emission comparisons, reconciliation

Model Comparisons

Model-model comparison, ensemble,

Data Integration

Data homogenization and integration

Inverse Modeling

Emissions retrieval from observations;

Model Evaluation

Data Assimilation

Performance testing, improved formulation

Forward Modeling

Process-based simulation; source-receptor relationship

The goal of HTAP Network:

- Connect the data nodes

- Enable with shared tools

Initial HTAP Data Flow NetworkLoosely Coupled Data Network of Autonomous Nodes

OGC WCS Data Access Protocol

Application of OGC WCS Data Access Protocol

Regardless of the data location, data type and format,

• the parameter-space-time query is the same

• the return is in user selectable format from the offerings

Coverage=THEEDDS.T& BBOX=-126,24,-65,52,0,0 &TIME=2002-07-07/2002-07-07&FORMAT=NetCDFCoverage=SEAW.Refl& BBOX=-126,24,-65,52,0,0 &TIME=2002-07-07/2002-07-07&FORMAT=GeoTIFFCoverage=SURF.Bext& BBOX=-126,24,-65,52,0,0 &TIME=2002-07-07/2002-07-07&FORMAT=NetCDF-table

Grid Image Station Data

Parameter Bounding Box Time Range Out Format

Example Data Flow: Juelich-DataFed

ftp

DataFedSpace-Time-Param Cube

JuelichHTAP Server

NEISGEIServer

Web CoverageService

IronPythonCubing CodenetCDF

netCDF

csv

DataFedSpace-Time-Param Cube

Juelich HTAP Server/Client

Web CoverageService

Web CoverageService

Next:

Now:

Next: Standards-based connection to AeroCom, NILU, ….

Juelich Model Data on DataFed

Browser

http://webapps.datafed.net/datafed.aspx?dataset_abbr=HTAP_MOZARTTGFDL-v2

Web Service Flow Program

WMS, WCS OGC Services

Analysis Services

takes two grids as input, conducts a mathematical operation using their values, and creates a single grid output

Grid Operator Service

S. Falke: Web Application (“Mashup”)

S. Falke: http://niceguy.wustl.edu/NEISGEI/HTAPComp/

NOx Data on the NetworkEmission Aerosol Nitrate Ozone

Precipitation NitrateEmission

Tropospheric OMI NO2 Average

Model

Obs.

Emiss.

OMI NO2 – Mobil Emissions

Model

Obs.

Emiss.

Tropospheric OMI NO2 Average

Model

Obs.

Emiss.

OMI NO2 – Point Emissions

Model

Obs.

Emiss.

Single Point Sources

Power Plants

Model

Obs.

Emiss.

Single Point Sources

Model

Obs.

Emiss.

Georgia Sweetwater Fire

Model

Obs.

Emiss.

Sweat Water fire in S. Georgia (May 2007)

Georgia Sweetwater Fire

Model

Obs.

Emiss.

Sweat Water fire in S. Georgia (May 2007)

Friday/Sunday Ratio

Biomass Burning

Sunday

Smoke

Model

Obs.

Emiss.

OMI/NEI Emission Ratios

• Ohio River OMI/Emiss = 1 • Northeast OMI/Emiss = 1.4

US NEI NOx Emission OMI Tropo NO2

Model

Obs.

Emiss.

Total, Tropospheric Upper

Total Column NO2

Stratospheric NO2

Tropo NO2

????

Model

Obs.

Emiss.

Model Surface NO2

OMI NO2 Model

Obs.

Emiss.

Surface Obs.Model

Seasonal

Weekly

Secular

Diurnal

Model

Obs.

Emiss.

Thank You

Models

Observations

Emissions

Looking forward networking with you