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NARSTO EPA_SS_BALTIMORE JHU Meteorolgical Data

Entry ID: NARSTO_EPA_SS_JHU_MET

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Summary

Abstract: Meteorological and turbulence measurements were recorded using a diverse array of instruments by the Parlange Environmental Fluid Mechanics Group, Department of Geography & Environmental Engineering, Johns Hopkins University at the EPA Baltimore Supersite. Measurements were made at three Baltimore locations over the indicated time intervals: FMC Corporation (5/26/2001 - 6/15/2001), Clifton ... Park (7/1/2001 - 9/14/2001), and Ponca Street 2/13/02 - 3/15/2003). Please note that only Ponca Street data are available at this time.

The instruments were mounted on an 11m tall meteorological tower on the site. The instrumentation consisted of a 3d sonic anemometer-thermometer, pyranometer, wind vane, tipping bucket rain collector, 2 cup anemometers, temperature & relative humidity probe and pressure sensor. The data were collected on a continuous basis and were subsequently subjected to multiple cycles of data validation to ensure correctness and accuracy. The validated data was then averaged over a 5 minute interval to create the final dataset.

For visual display on the internet, the dataset has been organized so as to provide a unique data file for any given day within the operating time duration. Each file contains the variables temperature, relative humidity, mean horizontal wind speed (at 10.39m), horizontal resultant vector mean wind speed, mean horizontal wind speed (at 5.87m), mean horizontal wind angle, std deviation of the wind angle, precipitation, friction velocity, Obukhov length, sensible vertical heat flux, solar radiation, atmospheric pressure, virtual potential temperature, specific humidity and wind angle from sonic anemometer. In addition to usual meteorological variables, this dataset also provides information on turbulent mixing (parameterized by the friction velocity) and atmospheric stability (parameterized by the Obukhov length). Plots of the relevant parameters were created from the dataset which can be viewed online at http://www.jhu.edu/~dogee/mbp/supersite2001/met_data.htm.

The Baltimore Supersite collected high-quality ambient air quality measurements with unprecedented temporal resolution at an industrially influenced urban site and two intensive measurement campaigns. A data set of project results was constructed to take advantage of advanced multivariate statistical techniques. Data were collected on the sources and nature of organic aerosol for the region, and large quantities of urban particulate matter (PM) were collected for retrospective chemical, physical, and biological analyses and for toxicological testing. These data provided important information on the potential health effects of particles to support exposure and epidemiologic studies for enhanced evaluation of health outcome, pollutant, and source relationships. More information about the Baltimore Supersite Experiment can be found at URL: http://www2.chem.umd.edu/supersite/.

The U.S. EPA Particulate Matter (PM) Supersites Program [ http://www.epa.gov/ttn/amtic/supersites.html ] was an ambient air monitoring research program from 1999-2004 designed to provide information of value to the atmospheric sciences, and human health and exposure research communities. Eight geographically diverse projects were chosen to specifically address these EPA research priorities: (1) to characterize PM, its constituents, precursors, co-pollutants, atmospheric transport, and its source categories that affect the PM in any region; (2) to address the research questions and scientific uncertainties about PM source-receptor and exposure-health effects relationships; and (3) to compare and evaluate different methods of characterizing PM including testing new and emerging measurement methods. Data users should acknowledge the U.S. EPA Particulate Matter (PM) Supersites Program and the project investigator(s) listed below.

Related URL

Link: VIEW RELATED INFORMATION

Description: NARSTO QSSC web site with access to description of Data Exchange Standard
format.

Geographic Coverage

(Click for Interactive Map)

Spatial coordinates

N: 39.28

S: 39.28

E: -76.55

W: -76.55

Temporal Coverage

Start Date: 2002-02-13

Stop Date: 2003-03-15

Location Keywords

CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > MARYLAND

Data Resolution

Temporal Resolution: 5 minute

Science Keywords

BIOLOGICAL CLASSIFICATION > ANIMALS/VERTEBRATES > FISH

BIOSPHERE > ECOLOGICAL DYNAMICS > SPECIES/POPULATION INTERACTIONS > USE/FEEDING HABITATS

BIOSPHERE > ECOLOGICAL DYNAMICS > ECOSYSTEM FUNCTIONS > CONSUMPTION RATES

ISO Topic Category

BIOTA

Access Constraints Release with the permission of the custodian.

Use Constraints None

Ancillary Keywords

surveys

inshore fish catches

Data Set Progress

COMPLETE

Data Center

Marine and Atmospheric Research, Commonwealth Scientific and Industrial Research Organization, Australia

Data Center URL: http://www.cmar.csiro.au/
Dataset ID: MarLIN record number: 1661

Data Center Personnel
Name: TONY REES Phone: +61 (03) 6232 5318 Fax: +61 (03) 6232 5000 Email: Tony.Rees at csiro.au Contact Address: CSIRO Marine and Atmospheric Research (CMAR) GPO Box 1538 City: Hobart Province or State: Tasmania Postal Code: 7001 Country: Australia